@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg-primary: #09090F;
    --bg-secondary: #111827;
    --card-bg: rgba(17, 24, 39, 0.7);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-shadow: 0 8px 30px 0 rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 15px rgba(16, 185, 129, 0.15);
    --primary-color: #00E5FF;
    --accent-color: #00FFA3;
    --primary-grad: linear-gradient(135deg, #00E5FF, #00FFA3);
    --text-main: #FFFFFF;
    --text-muted: #94A3B8;
    --sidebar-width: 260px;
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    --sidebar-bg: #09090F;
    --dropdown-bg: #111827;
    --border-subtle: rgba(255, 255, 255, 0.03);
    --footer-bg: #050508;
    --nav-bg: rgba(9, 9, 15, 0.8);
    --auth-bg: rgba(17, 24, 39, 0.85);

    --trigger-bg: rgba(255, 255, 255, 0.03);
    --trigger-hover: rgba(255, 255, 255, 0.08);
    --btn-sec-bg: rgba(255, 255, 255, 0.05);
    --btn-sec-hover: rgba(255, 255, 255, 0.1);

    --input-bg: rgba(255, 255, 255, 0.05);
    --input-focus-bg: rgba(255, 255, 255, 0.08);

    --scrollbar-thumb: #1f2937;
    --scrollbar-thumb-hover: #374151;

    /* Extra Theme-adaptive Variables */
    --table-header-bg: rgba(255, 255, 255, 0.02);
    --table-hover-bg: rgba(255, 255, 255, 0.01);
    --modal-overlay-bg: rgba(9, 9, 15, 0.7);
    --search-bg: rgba(255, 255, 255, 0.03);
    --search-border: rgba(255, 255, 255, 0.08);
    --search-text: #FFFFFF;
    --progress-bg: rgba(255, 255, 255, 0.03);
    --radial-dark-stop: #0b0f19;
}

[data-theme="light"] {
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --card-bg: #FFFFFF;
    --card-border: #E2E8F0;
    --card-shadow: 0 10px 25px rgba(0, 0, 0, 0.03);
    --card-shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.08), 0 0 15px rgba(16, 185, 129, 0.05);
    --primary-color: #0EA5E9;
    --accent-color: #10B981;
    --primary-grad: linear-gradient(135deg, #0EA5E9, #10B981);
    --text-main: #0F172A;
    --text-muted: #64748B;

    --sidebar-bg: #FFFFFF;
    --dropdown-bg: #FFFFFF;
    --border-subtle: #F1F5F9;
    --footer-bg: #FFFFFF;
    --nav-bg: #FFFFFF;
    --auth-bg: #FFFFFF;

    --trigger-bg: #F8FAFC;
    --trigger-hover: #F1F5F9;
    --btn-sec-bg: #F1F5F9;
    --btn-sec-hover: #E2E8F0;

    --input-bg: #F8FAFC;
    --input-focus-bg: #FFFFFF;

    --scrollbar-thumb: #CBD5E1;
    --scrollbar-thumb-hover: #94A3B8;

    /* Extra Theme-adaptive Variables */
    --table-header-bg: rgba(15, 23, 42, 0.04);
    --table-hover-bg: rgba(15, 23, 42, 0.02);
    --modal-overlay-bg: rgba(15, 23, 42, 0.3);
    --search-bg: #FFFFFF;
    --search-border: #E2E8F0;
    --search-text: #0F172A;
    --progress-bg: #E2E8F0;
    --radial-dark-stop: #f8fafc;
}

[data-theme="midnight-blue"] {
    --bg-primary: #0A0E1A;
    --bg-secondary: #151E33;
    --card-bg: rgba(21, 30, 51, 0.7);
    --card-border: rgba(56, 189, 248, 0.15);
    --card-shadow: 0 8px 30px 0 rgba(0, 0, 0, 0.5);
    --primary-color: #38BDF8;
    --accent-color: #818CF8;
    --primary-grad: linear-gradient(135deg, #38BDF8, #818CF8);
    --text-main: #E2E8F0;
    --text-muted: #94A3B8;

    --sidebar-bg: #0E1325;
    --dropdown-bg: #151E33;
    --border-subtle: rgba(56, 189, 248, 0.05);
    --footer-bg: #060912;
    --nav-bg: rgba(10, 14, 26, 0.8);
    --auth-bg: rgba(21, 30, 51, 0.85);

    --trigger-bg: rgba(56, 189, 248, 0.05);
    --trigger-hover: rgba(56, 189, 248, 0.1);
    --btn-sec-bg: rgba(255, 255, 255, 0.05);
    --btn-sec-hover: rgba(255, 255, 255, 0.1);

    --input-bg: rgba(255, 255, 255, 0.05);
    --input-focus-bg: rgba(255, 255, 255, 0.08);

    --scrollbar-thumb: #1E293B;
    --scrollbar-thumb-hover: #334155;
}

[data-theme="emerald-green"] {
    --bg-primary: #021E17;
    --bg-secondary: #063D30;
    --card-bg: rgba(6, 61, 48, 0.7);
    --card-border: rgba(52, 211, 153, 0.15);
    --card-shadow: 0 8px 30px 0 rgba(0, 0, 0, 0.5);
    --primary-color: #10B981;
    --accent-color: #34D399;
    --primary-grad: linear-gradient(135deg, #10B981, #34D399);
    --text-main: #ECFDF5;
    --text-muted: #A7F3D0;

    --sidebar-bg: #032A20;
    --dropdown-bg: #063D30;
    --border-subtle: rgba(52, 211, 153, 0.05);
    --footer-bg: #01120E;
    --nav-bg: rgba(2, 30, 23, 0.8);
    --auth-bg: rgba(6, 61, 48, 0.85);

    --trigger-bg: rgba(52, 211, 153, 0.05);
    --trigger-hover: rgba(52, 211, 153, 0.1);
    --btn-sec-bg: rgba(255, 255, 255, 0.05);
    --btn-sec-hover: rgba(255, 255, 255, 0.1);

    --input-bg: rgba(255, 255, 255, 0.05);
    --input-focus-bg: rgba(255, 255, 255, 0.08);

    --scrollbar-thumb: #063D30;
    --scrollbar-thumb-hover: #0F766E;
}

[data-theme="purple-neon"] {
    --bg-primary: #0C0414;
    --bg-secondary: #1B0B2B;
    --card-bg: rgba(27, 11, 43, 0.7);
    --card-border: rgba(217, 70, 239, 0.15);
    --card-shadow: 0 8px 30px 0 rgba(0, 0, 0, 0.5);
    --primary-color: #D946EF;
    --accent-color: #A855F7;
    --primary-grad: linear-gradient(135deg, #D946EF, #A855F7);
    --text-main: #F5F3FF;
    --text-muted: #C084FC;

    --sidebar-bg: #140722;
    --dropdown-bg: #1B0B2B;
    --border-subtle: rgba(217, 70, 239, 0.05);
    --footer-bg: #07020C;
    --nav-bg: rgba(12, 4, 20, 0.8);
    --auth-bg: rgba(27, 11, 43, 0.85);

    --trigger-bg: rgba(217, 70, 239, 0.05);
    --trigger-hover: rgba(217, 70, 239, 0.1);
    --btn-sec-bg: rgba(255, 255, 255, 0.05);
    --btn-sec-hover: rgba(255, 255, 255, 0.1);

    --input-bg: rgba(255, 255, 255, 0.05);
    --input-focus-bg: rgba(255, 255, 255, 0.08);

    --scrollbar-thumb: #1B0B2B;
    --scrollbar-thumb-hover: #4C1D95;
}

/* Smooth transition when theme changes */
body,
nav,
.card,
.dashboard-sidebar,
.portal-sidebar,
.dashboard-main,
.dashboard-header,
footer,
.auth-card,
.form-input,
.profile-trigger,
.dropdown-content,
.theme-picker-btn,
.theme-picker-dropdown,
button,
.btn,
.search-bar,
.search-bar input,
.progress-bar-container,
.progress-bar-fill,
.progress-bar-wrapper,
.mgmt-table th,
.mgmt-table td,
.modal-overlay,
.modal-content,
.year-card {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

/* Theme Picker Popover Style */
.theme-picker-container {
    position: relative;
    display: inline-block;
}

.theme-picker-btn {
    background: var(--trigger-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
    outline: none;
}

.theme-picker-btn:hover {
    background: var(--trigger-hover);
    color: var(--primary-color);
    transform: scale(1.05);
}

.theme-picker-btn i {
    width: 20px;
    height: 20px;
}

.theme-picker-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--dropdown-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 8px;
    width: 200px;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.theme-picker-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.theme-option:hover {
    background: var(--trigger-hover);
    color: var(--primary-color);
}

.theme-option.active {
    background: var(--btn-sec-bg);
    font-weight: 600;
    color: var(--primary-color);
}

.theme-swatch {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}

.theme-swatch.dark {
    background: linear-gradient(135deg, #00E5FF, #00FFA3);
}

.theme-swatch.light {
    background: linear-gradient(135deg, #0EA5E9, #10B981);
}

.theme-swatch.midnight-blue {
    background: linear-gradient(135deg, #38BDF8, #818CF8);
}

.theme-swatch.emerald-green {
    background: linear-gradient(135deg, #10B981, #34D399);
}

.theme-swatch.purple-neon {
    background: linear-gradient(135deg, #D946EF, #A855F7);
}

/* Sidebar Theme Toggle container */
.sidebar-theme-toggle {
    margin-top: 12px;
    border-top: 1px solid var(--card-border);
    padding-top: 12px !important;
}

/* Global Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* Helper Utilities */
.gradient-text {
    background: var(--primary-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Buttons */
button,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-grad);
    color: #ffffff;
    border: none;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

button:hover,
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    opacity: 0.95;
}

button:active,
.btn:active {
    transform: translateY(0);
}

button.secondary,
.btn-secondary {
    background: var(--btn-sec-bg);
    color: var(--text-main);
    border: 1px solid var(--card-border);
    box-shadow: none;
}

button.secondary:hover,
.btn-secondary:hover {
    background: var(--btn-sec-hover);
    box-shadow: none;
    border-color: var(--card-border);
}

/* Glass Card Component */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-grad);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.card:hover::before {
    opacity: 1;
}

/* Standard Header / Navigation */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--card-border);
    padding: 16px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

nav h1 {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 1px;
}

nav .nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
    padding: 6px 0;
}

nav a:hover,
nav a.active {
    color: var(--text-main);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-grad);
    transition: var(--transition);
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

/* Hamburger Menu (Mobile) */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
    cursor: pointer;
}

.menu-toggle:hover {
    box-shadow: none;
    transform: none;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-main);
    border-radius: 3px;
    transition: var(--transition);
}

/* Landing Page (Hero) */
.hero {
    text-align: center;
    padding: 120px 20px;
    background: radial-gradient(circle at top, rgba(16, 185, 129, 0.1) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero h1 {
    font-size: 56px;
    line-height: 1.2;
    margin-bottom: 24px;
    font-weight: 800;
    letter-spacing: -1px;
    max-width: 800px;
}

.hero p {
    font-size: 20px;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 32px;
}

/* Landing Page Sections */
section {
    padding: 80px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 48px;
    font-weight: 700;
}

/* Responsive Grid layouts */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    width: 100%;
    margin-top: 20px;
}

/* Specific Sections */
.features .card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-main);
}

.features .card p {
    color: var(--text-muted);
    font-size: 15px;
}

/* Stats Section */
.stats-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 40px;
}

.stat-item {
    text-align: center;
}

.stat-item h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 8px;
    text-align: center;
}

.stat-item p {
    color: var(--text-muted);
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Testimonials */
.testimonials-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonials .card p {
    font-style: italic;
    margin-bottom: 16px;
    color: var(--text-main);
}

.testimonials .card h4 {
    color: var(--primary-color);
    font-weight: 600;
}

/* Footer styling */
footer {
    background: var(--footer-bg);
    border-top: 1px solid var(--card-border);
    padding: 40px 20px;
    text-align: center;
}

footer h3 {
    font-weight: 800;
    font-size: 22px;
    margin-bottom: 12px;
}

footer p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 8px;
}

/* Authentication Forms (Login / Signup) */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 80px);
    padding: 40px 20px;
    background: radial-gradient(circle at center, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
}

.auth-card {
    width: 100%;
    max-width: 450px;
    background: var(--auth-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(16px);
}

.auth-card h1 {
    font-size: 28px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
}

.auth-card h3 {
    text-align: center;
    color: var(--text-muted);
    font-weight: 400;
    font-size: 16px;
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-main);
}

.form-input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-main);
    font-size: 15px;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--input-focus-bg);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
}

.auth-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 14px;
}

.auth-links a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

.auth-links a:hover {
    text-decoration: underline;
}

.auth-btn {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    margin-top: 10px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Dashboard Layout (Responsive Sidebar + Main Grid) */
body {
    overflow-x: hidden;
}

.dashboard-layout {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

.dashboard-sidebar {
    width: 220px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--card-border);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 90;
    transition: var(--transition);
}

.sidebar-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 24px;
    text-align: center;
}

.profile-pic {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    margin-bottom: 12px;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.sidebar-profile h2 {
    font-size: 20px;
    font-weight: 700;
}

.sidebar-profile h3 {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 400;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: var(--text-main);
    background: var(--btn-sec-bg);
}

.sidebar-nav a.logout {
    margin-top: auto;
    color: #ef4444;
}

.sidebar-nav a.logout:hover {
    background: rgba(239, 68, 68, 0.1);
}

.dashboard-main {
    margin-left: 220px;
    flex-grow: 1;
    padding: 24px 24px 32px;
    transition: var(--transition);
}

.dashboard-header {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 24px;
    backdrop-filter: blur(12px);
}

.dashboard-header h1 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 6px;
}

.dashboard-header p {
    color: var(--text-muted);
    font-size: 15px;
}

.flash-messages {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.flash-message {
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 14px;
    background: var(--card-bg);
    color: var(--text-main);
}

.flash-message.success {
    border-color: rgba(16, 185, 129, 0.35);
    color: #10b981;
}

.flash-message.error {
    border-color: rgba(239, 68, 68, 0.35);
    color: #ef4444;
}

.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.admin-toolbar .search-form {
    display: flex;
    gap: 8px;
    flex: 1;
    min-width: 280px;
    align-items: center;
}

.admin-empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
    background: var(--card-bg);
    border: 1px dashed var(--card-border);
    border-radius: var(--border-radius);
    margin-top: 16px;
}

.admin-empty-state .btn {
    margin-top: 14px;
}

.admin-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
    padding: 12px 0 0;
    color: var(--text-muted);
    font-size: 13px;
}

.admin-pagination .page-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-pagination .page-links a,
.admin-pagination .page-links span {
    padding: 7px 10px;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    color: var(--text-main);
    text-decoration: none;
    background: var(--btn-sec-bg);
}

.admin-pagination .page-links .active {
    background: var(--primary-color);
    color: #03131a;
    border-color: var(--primary-color);
}

.table-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.dashboard-cards-column {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.dashboard-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dashboard-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 15px;
}

.progress-bar-container {
    background: var(--btn-sec-bg);
    height: 12px;
    border-radius: 6px;
    overflow: hidden;
    margin-top: 12px;
    border: 1px solid var(--card-border);
}

.progress-bar-fill {
    height: 100%;
    background: var(--primary-grad);
    border-radius: 6px;
    transition: width 0.5s ease;
}

/* Page Inner Layouts (Physics, Courses, etc) */
.page-header {
    text-align: center;
    padding: 60px 20px 40px 20px;
}

.page-header h1 {
    font-size: 40px;
    font-weight: 800;
}

.page-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px 60px 20px;
}

/* Quiz Box Styling */
.quiz-box {
    max-width: 600px;
    margin: 40px auto;
}

.quiz-question {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.quiz-options button {
    background: var(--btn-sec-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    text-align: left;
    justify-content: flex-start;
    padding: 16px 20px;
    border-radius: 10px;
    font-weight: 500;
    box-shadow: none;
}

.quiz-options button:hover {
    background: var(--btn-sec-hover);
    border-color: var(--accent-color);
    box-shadow: none;
}

.quiz-result {
    margin-top: 20px;
    font-size: 18px;
    font-weight: 700;
    text-align: center;
}

.quiz-result.correct {
    color: #10b981;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 16px 20px;
    }

    .menu-toggle {
        display: flex;
    }

    nav .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--card-border);
        padding: 20px;
        gap: 16px;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
    }

    nav .nav-links.active {
        display: flex;
    }

    .hero h1 {
        font-size: 38px;
    }

    .hero p {
        font-size: 16px;
    }

    section {
        padding: 40px 20px;
    }

    section h2 {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .stats-container {
        flex-direction: column;
        gap: 40px;
        padding: 30px 20px;
    }

    /* Mobile Dashboard Layout */
    .dashboard-layout {
        flex-direction: column;
    }

    .dashboard-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--card-border);
        padding: 20px;
    }

    .sidebar-profile {
        flex-direction: row;
        text-align: left;
        gap: 16px;
        padding-bottom: 16px;
        margin-bottom: 16px;
    }

    .profile-pic {
        width: 60px;
        height: 60px;
        margin-bottom: 0;
    }

    .sidebar-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px;
    }

    .sidebar-nav a {
        padding: 8px 12px;
        font-size: 13px;
    }

    .sidebar-nav a.logout {
        margin-top: 0;
    }

    .dashboard-main {
        margin-left: 0;
        padding: 20px;
    }

    .dashboard-header {
        padding: 20px;
    }

    .dashboard-header h1 {
        font-size: 26px;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: 30px 20px;
    }

    .auth-card h1 {
        font-size: 24px;
    }

    .stat-item h2 {
        font-size: 36px;
    }
}

.modal-content p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Profile Dropdown Menu in Navbar */
.profile-dropdown {
    position: relative;
    display: inline-block;
}

.profile-trigger {
    cursor: pointer;
    font-weight: 600 !important;
    color: var(--primary-color) !important;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 8px;
    background: var(--trigger-bg);
    border: 1px solid var(--card-border);
    transition: var(--transition);
}

.profile-trigger:hover {
    background: var(--trigger-hover);
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 10px;
    min-width: 180px;
    background: var(--dropdown-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    z-index: 200;
    backdrop-filter: blur(16px);
    overflow: hidden;
}

.dropdown-content.show {
    display: block;
}

.dropdown-content a {
    color: var(--text-muted);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 14px;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-subtle);
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-content a:hover {
    background: var(--border-subtle);
    color: var(--text-main);
}

/* Lucide SVG Icons Styling */
.lucide {
    width: 20px;
    height: 20px;
    stroke-width: 2px;
    vertical-align: middle;
    display: inline-block;
}

/* Sidebar Navigation Lucide Icons */
.sidebar-nav a i.lucide {
    margin-right: 12px;
}

/* Navbar Profile Dropdown Trigger Icons */
.profile-trigger i.lucide {
    margin-right: 6px;
    margin-left: 2px;
}

.profile-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Card Titles Lucide Icons */
.card h2 i.lucide,
.card h3 i.lucide {
    margin-right: 8px;
    color: var(--primary-color);
}

/* List Item Lucide Icons */
.dashboard-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.dashboard-list li i.lucide {
    margin-top: 3px;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Developer Credit Hover Animations */
.credit-text {
    transition: var(--transition);
}

.developer-link {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    position: relative;
}

.developer-link:hover {
    transform: scale(1.15) translateY(-1px);
    filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.6));
}

.credit-text:hover i[data-lucide="heart"] {
    animation: heartPulse 0.8s infinite;
}

@keyframes heartPulse {
    0% {
        transform: scale(1);
    }

    20% {
        transform: scale(1.3);
    }

    40% {
        transform: scale(1.15);
    }

    60% {
        transform: scale(1.3);
    }

    80% {
        transform: scale(1);
    }

    100% {
        transform: scale(1);
    }
}

/* Learning Journey step layout */
.journey-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    margin-top: 40px;
    gap: 20px;
}

.journey-steps::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 40px;
    right: 40px;
    height: 2px;
    background: var(--card-border);
    z-index: 0;
}

.journey-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.journey-step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 20px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.journey-step:hover .journey-step-number {
    background: var(--primary-grad);
    color: #ffffff;
    border-color: transparent;
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.journey-step h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}

.journey-step p {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .journey-steps {
        flex-direction: column;
        align-items: center;
    }

    .journey-steps::before {
        display: none;
    }

    .journey-step {
        width: 100%;
        max-width: 320px;
        margin-bottom: 30px;
    }
}

/* FAQ Active state glow */
.faq-item.active {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.1);
}

/* ==========================================================================
   Premium Authentication System Styles (Glassmorphism & Split-Screen)
   ========================================================================== */

/* Split-screen container */
.split-screen {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    min-height: calc(100vh - 73px);
    /* Subtract nav height */
    padding: 0 !important;
    background: var(--bg-primary);
    overflow: hidden;
}

/* Left panel: branding/features */
.auth-branding-panel {
    background: radial-gradient(circle at center, rgba(16, 185, 129, 0.15) 0%, var(--radial-dark-stop) 100%), url('https://images.unsplash.com/photo-1516321318423-f06f85e504b3?w=800&q=80') no-repeat center center;
    background-size: cover;
    background-blend-mode: overlay;
    border-right: 1px solid var(--card-border);
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.branding-content {
    max-width: 500px;
    margin: auto 0;
}

.logo-badge {
    width: 64px;
    height: 64px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.auth-branding-panel h1 {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.auth-branding-panel .subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.4;
}

.branding-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text-main);
    font-size: 15.5px;
    font-weight: 500;
}

.feature-item i {
    color: var(--primary-color);
    width: 20px;
    height: 20px;
}

.branding-footer {
    font-size: 13.5px;
    color: var(--text-muted);
}

/* Right panel: Form host */
.auth-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
    overflow: hidden;
}

/* Animated background orbs */
.glowing-orbs {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.orb {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.12;
    animation: floatingOrb 12s infinite alternate ease-in-out;
}

.orb-1 {
    background: var(--primary-color);
    top: -50px;
    right: -50px;
    animation-delay: 0s;
}

.orb-2 {
    background: var(--accent-color);
    bottom: -80px;
    left: -50px;
    animation-delay: 4s;
}

@keyframes floatingOrb {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(30px, 30px) scale(1.15);
    }
}

/* Glassmorphism Auth Card */
.glass-card {
    background: rgba(17, 24, 39, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1;
}

[data-theme="light"] .glass-card {
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.auth-card h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 6px;
}

/* Inputs with Icons */
.input-container {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.input-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    width: 18px;
    height: 18px;
    pointer-events: none;
}

.icon-padding {
    padding-left: 44px !important;
}

/* Password Visibility Toggle */
.eye-toggle-btn {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: none !important;
    transition: var(--transition);
    transform: none !important;
}

.eye-toggle-btn:hover {
    color: var(--text-main);
    background: none;
    box-shadow: none;
}

/* Premium Button with Loading Spinner */
.auth-btn {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    margin-top: 10px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spinLoading 0.8s linear infinite;
    position: absolute;
}

@keyframes spinLoading {
    to {
        transform: rotate(360deg);
    }
}

/* Status Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 500;
    display: flex;
    align-items: center;
    line-height: 1.4;
    border: 1px solid transparent;
}

.alert.success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.2);
}

.alert.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.2);
}

.alert.warning {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border-color: rgba(245, 158, 11, 0.2);
}

.alert.info {
    background: rgba(6, 182, 212, 0.1);
    color: #06b6d4;
    border-color: rgba(6, 182, 212, 0.2);
}

/* Responsive Grid Stack for Signup form */
@media (max-width: 768px) {
    .split-screen {
        grid-template-columns: 1fr;
    }

    .auth-branding-panel {
        display: none;
    }

    .signup-form-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }

    .auth-card {
        padding: 24px 16px;
    }
}

/* Stepper Node Visual Styles */
.registration-stepper {
    margin-bottom: 30px !important;
}

.step-node .node-circle {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.step-node.completed .node-circle {
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

.step-pane {
    animation: stepFadeIn 0.4s ease-in-out;
}

@keyframes stepFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Homepage Redesign Styles */
.launching-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 229, 255, 0.08);
    border: 1px solid rgba(0, 229, 255, 0.2);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.1);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-color);
    border-radius: 50%;
    animation: pulseGlow 1.5s infinite alternate;
}

@keyframes pulseGlow {
    from {
        transform: scale(0.8);
        opacity: 0.5;
    }

    to {
        transform: scale(1.3);
        opacity: 1;
    }
}

.animated-gradient-text {
    background: var(--primary-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.trusted-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-muted);
    margin-top: 24px;
}

.trusted-badge i {
    color: var(--primary-color);
    width: 16px;
    height: 16px;
}

/* Background gradient glows */
.hero-glow-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.hero-glow-1 {
    position: absolute;
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, transparent 70%);
    filter: blur(80px);
}

.hero-glow-2 {
    position: absolute;
    width: 500px;
    height: 500px;
    bottom: -150px;
    left: -150px;
    background: radial-gradient(circle, rgba(0, 255, 163, 0.06) 0%, transparent 70%);
    filter: blur(100px);
}

/* Course card specifics */
.course-card {
    border-radius: 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    box-shadow: var(--card-shadow);
    height: 100%;
}

.course-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 229, 255, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
}

.course-card-bottom {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
    margin-top: auto;
}

.course-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px 16px;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border-subtle);
}

.course-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.course-meta-item i {
    width: 14px;
    height: 14px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.course-card-top h3 {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

@media (max-width: 480px) {
    .course-meta {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px 12px;
    }
}


/* Why Choose Glass Cards */
.choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.glass-glow-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 28px;
    transition: var(--transition);
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.glass-glow-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 255, 163, 0.25);
    box-shadow: 0 0 25px rgba(0, 255, 163, 0.15), var(--card-shadow);
}

.choose-icon-wrapper {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--btn-sec-bg);
    border: 1px solid var(--card-border);
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: var(--transition);
}

.glass-glow-card:hover .choose-icon-wrapper {
    background: var(--primary-grad);
    color: #fff;
    box-shadow: 0 0 15px var(--primary-color);
}

/* Timeline/Roadmap styling */
.roadmap-container {
    position: relative;
    max-width: 900px;
    margin: 50px auto 0 auto;
    padding-left: 30px;
}

.roadmap-container::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 5px;
    bottom: 5px;
    width: 2px;
    background: var(--card-border);
}

.roadmap-step {
    position: relative;
    margin-bottom: 40px;
    padding-left: 20px;
}

.roadmap-step:last-child {
    margin-bottom: 0;
}

.roadmap-node {
    position: absolute;
    left: -30px;
    top: 4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: var(--transition);
}

.roadmap-step:hover .roadmap-node {
    border-color: var(--primary-color);
    box-shadow: 0 0 12px var(--primary-color);
    background: var(--primary-color);
}

.roadmap-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.roadmap-card:hover {
    transform: translateX(5px);
    border-color: rgba(0, 229, 255, 0.2);
}

.roadmap-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.roadmap-card-header i {
    color: var(--accent-color);
    width: 18px;
    height: 18px;
}

/* Reviews Grid */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.review-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 28px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 229, 255, 0.2);
}

.review-user {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    object-fit: cover;
}

.review-user-info h4 {
    font-size: 14.5px;
    font-weight: 600;
    color: var(--text-main);
    margin: 0;
}

.review-user-info span {
    font-size: 11px;
    color: var(--text-muted);
}

.review-stars {
    display: flex;
    gap: 3px;
    color: #f59e0b;
    margin-bottom: 12px;
}

.review-stars i {
    width: 14px;
    height: 14px;
}

/* Contact Grid */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

@media (max-width: 992px) {
    .contact-container {
        grid-template-columns: 1fr;
    }
}

.contact-form-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 36px;
    box-shadow: var(--card-shadow);
}

.contact-group {
    margin-bottom: 20px;
}

.contact-group label {
    display: block;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 8px;
}

.contact-input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14.5px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.contact-input:focus {
    background: var(--input-focus-bg);
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.15);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    min-height: 350px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    overflow: hidden;
    position: relative;
    box-shadow: var(--card-shadow);
}

/* ==========================================================================
   GLOBAL THEME OVERRIDES FOR LIGHT MODE
   ========================================================================== */

/* Top Navbar & Header Overrides */
.top-nav,
.dashboard-header {
    background: var(--nav-bg) !important;
    border-color: var(--card-border) !important;
    color: var(--text-main) !important;
}

.nav-icon-btn:hover {
    color: var(--primary-color) !important;
}

/* Sidebar Overrides */
.portal-sidebar,
.dashboard-sidebar {
    background: var(--sidebar-bg) !important;
    border-right: 1px solid var(--card-border) !important;
    color: var(--text-main) !important;
}

.portal-sidebar .sidebar-brand h1 {
    color: var(--text-main) !important;
}

.portal-sidebar .menu-item,
.dashboard-sidebar .sidebar-nav a {
    color: var(--text-muted) !important;
}

.portal-sidebar .menu-item:hover,
.dashboard-sidebar .sidebar-nav a:hover {
    color: var(--text-main) !important;
    background: var(--btn-sec-bg) !important;
    border-color: var(--card-border) !important;
}

.portal-sidebar .menu-item.active,
.dashboard-sidebar .sidebar-nav a.active {
    color: var(--primary-color) !important;
    background: var(--btn-sec-hover) !important;
    border-color: var(--card-border) !important;
    font-weight: 600 !important;
}

.portal-sidebar #current-theme-name,
.dashboard-sidebar #current-theme-name {
    color: var(--text-main) !important;
}

/* Search Box Overrides */
.search-bar {
    background: var(--search-bg) !important;
    border: 1px solid var(--search-border) !important;
}

.search-bar input {
    color: var(--search-text) !important;
}

.search-bar input::placeholder {
    color: var(--text-muted) !important;
}

/* Progress Bar Overrides */
.progress-bar-container {
    background: var(--progress-bg) !important;
    border: 1px solid var(--card-border) !important;
}

.progress-bar-wrapper {
    background: var(--progress-bg) !important;
    border-color: var(--card-border) !important;
}

/* Management Table Overrides */
.mgmt-table th {
    background: var(--table-header-bg) !important;
    color: var(--text-main) !important;
    border-bottom: 1px solid var(--card-border) !important;
}

.mgmt-table td {
    color: var(--text-muted) !important;
    border-bottom: 1px solid var(--card-border) !important;
}

.mgmt-table tr:hover td {
    background: var(--table-hover-bg) !important;
    color: var(--text-main) !important;
}

/* Modal Overrides */
.modal-overlay {
    background: var(--modal-overlay-bg) !important;
}

.modal-content {
    background: var(--card-bg) !important;
    border: 1px solid var(--card-border) !important;
    box-shadow: var(--card-shadow) !important;
    color: var(--text-main) !important;
}

.modal-content h2,
.modal-content h3,
.modal-content h4 {
    color: var(--text-main) !important;
}

.modal-content p {
    color: var(--text-muted) !important;
}

/* Form inputs focus shadow overrides */
.form-input:focus {
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.15) !important;
}

[data-theme="light"] .form-input:focus {
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.15) !important;
}

/* Dropdown styling updates */
.dropdown-content a {
    color: var(--text-main) !important;
}

.dropdown-content a:hover {
    background: var(--btn-sec-hover) !important;
}

/* Extra card elements in Light Mode */
[data-theme="light"] .year-card::before {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.08), rgba(15, 23, 42, 0.04)) !important;
}

[data-theme="light"] .year-card:hover::before {
    background: var(--primary-grad) !important;
}

[data-theme="light"] .year-card:hover {
    box-shadow: var(--card-shadow-hover) !important;
}

/* ==========================================================================
   LIGHT THEME CONTRAST & ACCESSIBILITY FIXES
   ========================================================================== */

/* Enforce dark headings, bold tags, and strong highlights globally in Light Theme */
[data-theme="light"] h1,
[data-theme="light"] h2,
[data-theme="light"] h3,
[data-theme="light"] h4,
[data-theme="light"] h5,
[data-theme="light"] h6,
[data-theme="light"] strong,
[data-theme="light"] b {
    color: var(--text-main) !important;
}

/* Enforce dark muted body texts globally in Light Theme */
[data-theme="light"] p,
[data-theme="light"] label,
[data-theme="light"] small,
[data-theme="light"] li {
    color: var(--text-muted) !important;
}

/* Enforce dark primary texts for spans unless specifically styled */
[data-theme="light"] span:not(.theme-swatch):not(.badge-dot):not([class*="badge"]):not(.status-badge):not(.color-indicator):not(.btn-text) {
    color: var(--text-muted) !important;
}

/* Re-adjust placeholder text inside forms/inputs */
[data-theme="light"] input::placeholder,
[data-theme="light"] textarea::placeholder {
    color: var(--text-muted) !important;
}

/* Override the premium-card backgrounds and borders in Light Mode to match white card specifications */
[data-theme="light"] .premium-card {
    background: var(--card-bg) !important;
    border: 1px solid var(--card-border) !important;
    box-shadow: var(--card-shadow) !important;
}

/* Enforce dark hover rules on learning tabs */
[data-theme="light"] .learning-tab-btn:hover {
    color: var(--text-main) !important;
}

[data-theme="light"] .learning-tab-btn.active {
    color: var(--primary-color) !important;
}

/* Enforce readable planner day cells */
[data-theme="light"] .planner-day-cell.today {
    background: rgba(14, 165, 233, 0.12) !important;
    border-color: var(--primary-color) !important;
    color: var(--text-main) !important;
}

[data-theme="light"] .planner-day-cell:hover {
    background: var(--btn-sec-bg) !important;
    border-color: var(--card-border) !important;
}

/* Settings appearance settings choices */
[data-theme="light"] .appearance-card-inner {
    background: var(--btn-sec-bg) !important;
    border-color: var(--card-border) !important;
    color: var(--text-muted) !important;
}

[data-theme="light"] .appearance-card:hover .appearance-card-inner {
    color: var(--text-main) !important;
    background: var(--btn-sec-hover) !important;
    border-color: var(--card-border) !important;
}

[data-theme="light"] .appearance-card input:checked+.appearance-card-inner {
    color: var(--primary-color) !important;
    background: rgba(14, 165, 233, 0.1) !important;
    border-color: var(--primary-color) !important;
}

/* AI Studio / Doubt Solver specific visibility */
[data-theme="light"] div:has(> #ai-hub-query-input) {
    background: var(--input-bg) !important;
    border-color: var(--card-border) !important;
}

[data-theme="light"] #ai-hub-query-input {
    color: var(--text-main) !important;
}

[data-theme="light"] [onclick^="triggerHubPrompt"] {
    background: var(--btn-sec-bg) !important;
    border-color: var(--card-border) !important;
    color: var(--text-muted) !important;
}

[data-theme="light"] [onclick^="triggerHubPrompt"]:hover {
    background: var(--btn-sec-hover) !important;
    color: var(--text-main) !important;
}

/* AI Chat bubbles styling and container overrides */
[data-theme="light"] .message-bubble.ai {
    background: var(--btn-sec-bg) !important;
    border-color: var(--card-border) !important;
    color: var(--text-main) !important;
}

[data-theme="light"] #chatbot-box {
    background: var(--input-bg) !important;
    border-color: var(--card-border) !important;
}

[data-theme="light"] #chatbot-box div {
    background-color: var(--btn-sec-bg) !important;
    color: var(--text-main) !important;
    border-color: var(--card-border) !important;
}

[data-theme="light"] .premium-card div:has(> [data-lucide="video"]) {
    background: var(--btn-sec-bg) !important;
    border-color: var(--card-border) !important;
}

/* ==========================================================================
   EXCLUSIONS: RESTORE WHITE TEXT ON SOLID GRADIENT/ACCENT BACKGROUNDS
   ========================================================================== */
[data-theme="light"] .btn:not(.secondary),
[data-theme="light"] .btn:not(.secondary) *,
[data-theme="light"] button:not(.nav-icon-btn):not(.mobile-hamburger):not(.planner-day-cell):not(.learning-tab-btn):not(.settings-nav-btn):not(.secondary),
[data-theme="light"] button:not(.nav-icon-btn):not(.mobile-hamburger):not(.planner-day-cell):not(.learning-tab-btn):not(.settings-nav-btn):not(.secondary) *,
[data-theme="light"] .badge,
[data-theme="light"] .badge *,
[data-theme="light"] .status-badge,
[data-theme="light"] .status-badge *,
[data-theme="light"] .tab-trigger.active,
[data-theme="light"] .tab-trigger.active *,
[data-theme="light"] .learning-tab-btn.active,
[data-theme="light"] .learning-tab-btn.active *,
[data-theme="light"] .message-bubble.user,
[data-theme="light"] .message-bubble.user *,
[data-theme="light"] .item-checkbox.checked,
[data-theme="light"] .item-checkbox.checked *,
[data-theme="light"] .node-circle,
[data-theme="light"] .node-circle * {
    color: #ffffff !important;
}

/* Custom premium select styles for theme-adaptive inputs */
select.form-input {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px !important;
    color: var(--text-main) !important;
}

[data-theme="light"] select.form-input {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

select.form-input option {
    background: var(--dropdown-bg);
    color: var(--text-main);
}


/* ==========================================================================
   ADMIN PANEL - PRODUCTION READY STYLES
   ========================================================================== */

/* --- Sidebar Compact Fix --- */
.dashboard-sidebar {
    width: 200px !important;
    overflow-y: auto;
    overflow-x: hidden;
}

.dashboard-main {
    margin-left: 200px !important;
    min-width: 0;
    max-width: 100%;
}

.sidebar-profile h2 {
    font-size: 14px !important;
    word-break: break-word;
}

.sidebar-profile h3 {
    font-size: 11px !important;
}

.sidebar-nav a {
    font-size: 13px !important;
    padding: 8px 10px !important;
    gap: 8px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-nav a i {
    flex-shrink: 0;
    width: 16px !important;
    height: 16px !important;
}

.profile-pic {
    width: 56px !important;
    height: 56px !important;
}

/* --- Admin Table Compact Fix --- */
.mgmt-table th,
.mgmt-table td {
    padding: 10px 14px !important;
    font-size: 13px !important;
    white-space: nowrap;
}

.mgmt-table {
    font-size: 13px !important;
}

/* --- Admin Search Bar Fix --- */
.search-input {
    font-size: 13px !important;
    padding: 8px 12px !important;
    height: 38px;
}

/* --- Admin Header Fix --- */
.dashboard-header {
    padding: 18px 20px !important;
    margin-bottom: 18px !important;
}

.dashboard-header h1 {
    font-size: 22px !important;
    margin-bottom: 4px !important;
}

.dashboard-header p {
    font-size: 13px !important;
}

/* --- Admin Main Padding Fix --- */
.dashboard-main {
    padding: 18px 20px 28px !important;
}

/* --- Admin Stat Cards Fix --- */
.admin-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}

.admin-stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--card-shadow);
}

.admin-stat-icon {
    padding: 8px;
    border-radius: 8px;
    flex-shrink: 0;
}

.admin-stat-card h2 {
    font-size: 20px !important;
    font-weight: 800;
    margin: 0 !important;
}

.admin-stat-card p {
    font-size: 11px !important;
    color: var(--text-muted);
    margin: 2px 0 0 0 !important;
}

/* --- Toast Notification System --- */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 12px 18px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-main);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 260px;
    max-width: 380px;
    pointer-events: all;
    animation: toastSlideIn 0.3s ease forwards;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.success {
    border-color: rgba(16, 185, 129, 0.4);
    color: #10b981;
}

.toast.error {
    border-color: rgba(239, 68, 68, 0.4);
    color: #ef4444;
}

.toast.info {
    border-color: rgba(6, 182, 212, 0.4);
    color: #06b6d4;
}

.toast.warning {
    border-color: rgba(245, 158, 11, 0.4);
    color: #f59e0b;
}

.toast.hide {
    opacity: 0;
    transform: translateX(30px);
}

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(30px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* --- Empty State --- */
.admin-empty-state {
    text-align: center;
    padding: 52px 20px;
    color: var(--text-muted);
    background: var(--card-bg);
    border: 1px dashed var(--card-border);
    border-radius: var(--border-radius);
    margin-top: 16px;
}

.admin-empty-state i {
    width: 40px !important;
    height: 40px !important;
    color: var(--text-muted);
    margin-bottom: 12px;
    opacity: 0.5;
}

.admin-empty-state h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-main);
}

.admin-empty-state p {
    font-size: 13px;
    margin-bottom: 16px;
}

/* --- Pagination --- */
.admin-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--card-border);
    color: var(--text-muted);
    font-size: 12px;
}

.admin-pagination .page-links {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.admin-pagination .page-links a,
.admin-pagination .page-links span {
    padding: 5px 10px;
    border-radius: 6px;
    border: 1px solid var(--card-border);
    color: var(--text-main);
    text-decoration: none;
    background: var(--btn-sec-bg);
    font-size: 12px;
    transition: var(--transition);
}

.admin-pagination .page-links a:hover {
    background: var(--btn-sec-hover);
}

.admin-pagination .page-links .active {
    background: var(--primary-color);
    color: #03131a;
    border-color: var(--primary-color);
    font-weight: 700;
}

/* --- Admin Toolbar --- */
.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.admin-toolbar .search-form {
    display: flex;
    gap: 8px;
    flex: 1;
    min-width: 220px;
    max-width: 480px;
    align-items: center;
}

.admin-toolbar .toolbar-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

/* --- Button Size Fix --- */
.btn-sm {
    padding: 6px 12px !important;
    font-size: 12px !important;
    height: auto !important;
    border-radius: 7px !important;
}

/* --- Status Badges --- */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.status-active {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.status-blocked {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.status-draft {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

/* --- Action Icon Buttons --- */
.action-icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 6px;
    color: var(--text-muted);
    transition: var(--transition);
    box-shadow: none !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transform: none !important;
}

.action-icon-btn:hover {
    background: var(--btn-sec-bg);
    color: var(--text-main);
    transform: none !important;
    box-shadow: none !important;
}

.action-edit:hover  { color: var(--accent-color) !important; }
.action-delete:hover { color: #ef4444 !important; }
.action-block:hover  { color: #f59e0b !important; }
.action-view:hover   { color: var(--primary-color) !important; }

/* --- Table Actions Cell --- */
.table-actions {
    display: flex;
    gap: 6px;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
}

/* --- Modal Fixes --- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(9, 9, 15, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 24px;
    width: 100%;
    max-width: 500px;
    max-height: 92vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.modal-content h3 {
    font-size: 18px !important;
    margin-bottom: 18px !important;
}

.modal-content .form-group {
    margin-bottom: 14px;
}

.modal-content label {
    font-size: 12px !important;
    margin-bottom: 5px !important;
}

/* --- Filter Tabs --- */
.filter-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 6px 14px;
    border-radius: 7px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    background: var(--btn-sec-bg);
    border: 1px solid var(--card-border);
    transition: var(--transition);
    white-space: nowrap;
}

.filter-tab:hover,
.filter-tab.active {
    color: var(--text-main);
    background: var(--btn-sec-hover);
    border-color: var(--primary-color);
}

/* --- Select Input --- */
.select-input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-main);
    font-size: 13px;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.select-input:focus {
    border-color: var(--accent-color);
    background: var(--input-focus-bg);
}

.select-input option {
    background: var(--bg-secondary);
    color: var(--text-main);
}

/* --- Responsive Admin Layout --- */
@media (max-width: 1200px) {
    .dashboard-sidebar { width: 180px !important; }
    .dashboard-main { margin-left: 180px !important; }
}

@media (max-width: 992px) {
    .dashboard-sidebar {
        width: 100% !important;
        height: auto !important;
        position: relative !important;
        border-right: none !important;
        border-bottom: 1px solid var(--card-border) !important;
        padding: 14px 16px !important;
    }

    .dashboard-main {
        margin-left: 0 !important;
        padding: 14px 16px 24px !important;
    }

    .sidebar-profile {
        flex-direction: row !important;
        text-align: left !important;
        gap: 12px !important;
        padding-bottom: 12px !important;
        margin-bottom: 12px !important;
    }

    .profile-pic {
        width: 44px !important;
        height: 44px !important;
        margin-bottom: 0 !important;
    }

    .sidebar-nav {
        flex-direction: row !important;
        flex-wrap: wrap !important;
        gap: 6px !important;
    }

    .sidebar-nav a {
        padding: 6px 10px !important;
        font-size: 12px !important;
    }

    .sidebar-nav a.logout { margin-top: 0 !important; }

    .admin-stat-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 10px;
    }
}

@media (max-width: 768px) {
    .admin-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .admin-toolbar .search-form {
        max-width: 100%;
    }

    .admin-toolbar .toolbar-actions {
        justify-content: flex-end;
    }

    .mgmt-table th,
    .mgmt-table td {
        padding: 8px 10px !important;
        font-size: 12px !important;
    }

    .filter-tabs {
        gap: 4px;
    }

    .filter-tab {
        padding: 5px 10px;
        font-size: 11px;
    }

    .dashboard-header h1 {
        font-size: 18px !important;
    }
}

@media (max-width: 480px) {
    .mgmt-table-container {
        border-radius: 10px;
    }

    .modal-content {
        padding: 18px 14px;
        max-width: 100%;
    }

    .admin-stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* --- Confirm Delete Dialog Styling --- */
.confirm-dialog-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(9, 9, 15, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 16px;
}

.confirm-dialog {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 28px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.confirm-dialog h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-main);
}

.confirm-dialog p {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 22px;
    line-height: 1.5;
}

.confirm-dialog-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* --- Mgmt Table Container --- */
.mgmt-table-container {
    width: 100%;
    overflow-x: auto;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* --- Admin Page Wrapper --- */
.admin-page-wrapper {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}


/* ==========================================================================
   ADMIN PANEL — FINAL AUTHORITATIVE OVERRIDES (appended last, highest priority)
   Fixes: oversized tables, sidebar, search bars, buttons, padding, margins
   Targets: 1366x768, 1600x900, 1920x1080, tablet, mobile
   ========================================================================== */

/* ── Layout ── */
html, body { overflow-x: hidden; }

.dashboard-layout {
    display: flex;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
}

/* ── Sidebar ── */
.dashboard-sidebar {
    width: 195px !important;
    min-width: 195px !important;
    max-width: 195px !important;
    position: fixed !important;
    top: 0; left: 0;
    height: 100vh !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    padding: 16px 12px !important;
    z-index: 90;
    background: var(--sidebar-bg) !important;
    border-right: 1px solid var(--card-border) !important;
    display: flex;
    flex-direction: column;
}

.sidebar-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-bottom: 14px !important;
    margin-bottom: 14px !important;
    border-bottom: 1px solid var(--card-border);
}

.sidebar-profile .profile-pic {
    width: 52px !important;
    height: 52px !important;
    margin-bottom: 8px !important;
}

.sidebar-profile h2 {
    font-size: 13px !important;
    font-weight: 700;
    word-break: break-word;
    line-height: 1.3;
}

.sidebar-profile h3 {
    font-size: 10px !important;
    font-weight: 500;
    margin-top: 2px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 2px !important;
    flex-grow: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-nav a {
    display: flex !important;
    align-items: center !important;
    gap: 7px !important;
    padding: 7px 9px !important;
    font-size: 12px !important;
    font-weight: 500;
    border-radius: 7px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-muted) !important;
    text-decoration: none;
    transition: var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: var(--text-main) !important;
    background: var(--btn-sec-bg) !important;
}

.sidebar-nav a.active {
    color: var(--primary-color) !important;
    background: var(--btn-sec-hover) !important;
    font-weight: 600 !important;
}

.sidebar-nav a.logout { color: #ef4444 !important; margin-top: 4px; }
.sidebar-nav a.logout:hover { background: rgba(239,68,68,0.1) !important; }

.sidebar-nav a i[data-lucide] {
    width: 15px !important;
    height: 15px !important;
    flex-shrink: 0;
}

/* ── Main content area ── */
.dashboard-main {
    margin-left: 195px !important;
    flex: 1;
    min-width: 0;
    max-width: calc(100vw - 195px);
    padding: 18px 20px 28px !important;
    overflow-x: hidden;
}

/* ── Page header ── */
.dashboard-header {
    padding: 16px 18px !important;
    margin-bottom: 16px !important;
    border-radius: 12px !important;
}

.dashboard-header h1 {
    font-size: 20px !important;
    font-weight: 800;
    margin-bottom: 3px !important;
    line-height: 1.2;
}

.dashboard-header p {
    font-size: 12.5px !important;
    color: var(--text-muted);
    margin: 0;
}

/* ── Admin toolbar (search + buttons row) ── */
.admin-toolbar {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    flex-wrap: wrap !important;
    margin-bottom: 14px !important;
}

.admin-toolbar .search-form {
    display: flex !important;
    gap: 6px !important;
    flex: 1 !important;
    min-width: 180px !important;
    max-width: 440px !important;
    align-items: center !important;
}

.admin-toolbar .toolbar-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
    flex-shrink: 0;
}

/* ── Search input ── */
.search-input {
    background: var(--input-bg) !important;
    border: 1px solid var(--card-border) !important;
    border-radius: 7px !important;
    padding: 7px 11px !important;
    color: var(--text-main) !important;
    font-size: 12.5px !important;
    outline: none;
    transition: var(--transition);
    height: 34px !important;
    font-family: inherit;
}

.search-input:focus {
    border-color: var(--accent-color) !important;
    background: var(--input-focus-bg) !important;
}

/* ── Select input ── */
.select-input {
    width: 100% !important;
    background: var(--input-bg) !important;
    border: 1px solid var(--card-border) !important;
    border-radius: 7px !important;
    padding: 7px 11px !important;
    color: var(--text-main) !important;
    font-size: 12.5px !important;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
    height: 34px !important;
}

.select-input:focus { border-color: var(--accent-color) !important; }
.select-input option { background: var(--bg-secondary); color: var(--text-main); }

/* ── Buttons ── */
button:not(.action-icon-btn):not(.menu-toggle):not(.eye-toggle-btn):not(.theme-picker-btn):not(.theme-option),
.btn:not(.action-icon-btn) {
    padding: 7px 14px !important;
    font-size: 12.5px !important;
    border-radius: 8px !important;
    height: auto !important;
    white-space: nowrap;
}

.btn-secondary {
    background: var(--btn-sec-bg) !important;
    color: var(--text-main) !important;
    border: 1px solid var(--card-border) !important;
    box-shadow: none !important;
}

.btn-secondary:hover {
    background: var(--btn-sec-hover) !important;
    box-shadow: none !important;
}

/* ── Table container ── */
.mgmt-table-container {
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    background: var(--card-bg) !important;
    border: 1px solid var(--card-border) !important;
    border-radius: 12px !important;
    box-shadow: var(--card-shadow) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* ── Table ── */
.mgmt-table {
    width: 100% !important;
    border-collapse: collapse !important;
    text-align: left !important;
    font-size: 12.5px !important;
    table-layout: auto;
}

.mgmt-table th,
.mgmt-table td {
    padding: 9px 12px !important;
    border-bottom: 1px solid var(--card-border) !important;
    font-size: 12.5px !important;
    white-space: nowrap;
    vertical-align: middle;
}

.mgmt-table th {
    background: var(--table-header-bg) !important;
    font-weight: 600 !important;
    color: var(--text-main) !important;
    position: sticky;
    top: 0;
    z-index: 1;
}

.mgmt-table td { color: var(--text-muted) !important; }
.mgmt-table tr:last-child td { border-bottom: none !important; }
.mgmt-table tr:hover td {
    background: var(--table-hover-bg) !important;
    color: var(--text-main) !important;
}

/* ── Action icon buttons ── */
.action-icon-btn {
    background: none !important;
    border: none !important;
    cursor: pointer;
    padding: 4px !important;
    border-radius: 5px;
    color: var(--text-muted);
    transition: var(--transition);
    box-shadow: none !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    transform: none !important;
    height: auto !important;
    width: auto !important;
}

.action-icon-btn:hover {
    background: var(--btn-sec-bg) !important;
    color: var(--text-main) !important;
    transform: none !important;
    box-shadow: none !important;
}

.action-edit:hover  { color: var(--accent-color) !important; }
.action-delete:hover { color: #ef4444 !important; }
.action-block:hover  { color: #f59e0b !important; }
.action-view:hover   { color: var(--primary-color) !important; }
.action-pin:hover    { color: #f59e0b !important; }
.action-mark:hover   { color: var(--accent-color) !important; }

/* ── Table actions cell ── */
.table-actions {
    display: flex !important;
    gap: 4px !important;
    justify-content: center !important;
    align-items: center !important;
    flex-wrap: nowrap !important;
}

/* ── Status badges ── */
.status-badge {
    display: inline-flex !important;
    align-items: center !important;
    padding: 2px 8px !important;
    border-radius: 20px !important;
    font-size: 11px !important;
    font-weight: 600 !important;
    white-space: nowrap !important;
}

.status-active  { background: rgba(16,185,129,0.15) !important; color: #10b981 !important; }
.status-blocked { background: rgba(239,68,68,0.15) !important;  color: #ef4444 !important; }
.status-draft   { background: rgba(245,158,11,0.15) !important; color: #f59e0b !important; }
.status-pinned  { background: rgba(6,182,212,0.15) !important;  color: var(--accent-color) !important; }
.status-normal  { background: rgba(255,255,255,0.05) !important; color: var(--text-muted) !important; }
.status-unread  { background: rgba(59,130,246,0.15) !important; color: #3b82f6 !important; }
.status-read    { background: rgba(107,114,128,0.15) !important; color: #6b7280 !important; }
.status-submitted  { background: rgba(107,114,128,0.15) !important; color: #6b7280 !important; }
.status-in-review  { background: rgba(245,158,11,0.15) !important; color: #f59e0b !important; }
.status-replied    { background: rgba(16,185,129,0.15) !important; color: #10b981 !important; }
.status-closed     { background: rgba(139,92,246,0.15) !important; color: #8b5cf6 !important; }

/* ── Modal ── */
.modal-overlay {
    position: fixed !important;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(9,9,15,0.78) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 14px !important;
}

.modal-content {
    background: var(--card-bg) !important;
    border: 1px solid var(--card-border) !important;
    border-radius: 14px !important;
    padding: 22px !important;
    width: 100% !important;
    max-width: 480px !important;
    max-height: 92vh !important;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.modal-content h3 {
    font-size: 16px !important;
    font-weight: 700;
    margin-bottom: 16px !important;
}

.modal-content .form-group { margin-bottom: 12px !important; }

.modal-content label {
    font-size: 11.5px !important;
    font-weight: 500;
    margin-bottom: 4px !important;
    display: block;
    color: var(--text-main);
}

/* ── Filter tabs ── */
.filter-tabs {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 5px 12px !important;
    border-radius: 6px !important;
    font-size: 11.5px !important;
    font-weight: 500;
    background: var(--btn-sec-bg);
    border: 1px solid var(--card-border);
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-tab:hover,
.filter-tab.active {
    color: var(--text-main) !important;
    background: var(--btn-sec-hover) !important;
    border-color: var(--primary-color) !important;
}

/* ── Filter badge (contact messages) ── */
.filter-badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 11px !important;
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.3);
    border-radius: 20px;
    font-size: 11.5px !important;
    color: #3b82f6;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.filter-badge:hover { background: rgba(59,130,246,0.2); }
.filter-badge.active { background: rgba(59,130,246,0.3); border-color: #3b82f6; }

/* ── Card ── */
.card {
    border-radius: 12px !important;
}

/* ── Settings page grid ── */
.settings-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ── Dashboard stat cards ── */
.dashboard-main > div[style*="grid-template-columns: repeat(auto-fill"] {
    gap: 12px !important;
}

/* ── Dashboard charts grid ── */
.dashboard-main > div[style*="grid-template-columns: 1fr 1fr"] {
    gap: 18px !important;
}

/* ── Scrollbar inside sidebar ── */
.dashboard-sidebar::-webkit-scrollbar { width: 4px; }
.dashboard-sidebar::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 2px; }

/* ── Responsive: 1366×768 and below ── */
@media (max-width: 1400px) {
    .dashboard-sidebar { width: 180px !important; min-width: 180px !important; max-width: 180px !important; }
    .dashboard-main { margin-left: 180px !important; max-width: calc(100vw - 180px); }
}

@media (max-width: 1200px) {
    .dashboard-sidebar { width: 170px !important; min-width: 170px !important; max-width: 170px !important; }
    .dashboard-main { margin-left: 170px !important; max-width: calc(100vw - 170px); padding: 14px 16px 24px !important; }
    .sidebar-nav a { font-size: 11.5px !important; padding: 6px 8px !important; }
    .dashboard-header h1 { font-size: 18px !important; }
}

/* ── Responsive: Tablet (≤992px) ── */
@media (max-width: 992px) {
    .dashboard-sidebar {
        width: 100% !important;
        min-width: unset !important;
        max-width: 100% !important;
        height: auto !important;
        position: relative !important;
        border-right: none !important;
        border-bottom: 1px solid var(--card-border) !important;
        padding: 12px 14px !important;
        flex-direction: column;
    }

    .sidebar-profile {
        flex-direction: row !important;
        text-align: left !important;
        gap: 10px !important;
        padding-bottom: 10px !important;
        margin-bottom: 10px !important;
    }

    .sidebar-profile .profile-pic {
        width: 40px !important;
        height: 40px !important;
        margin-bottom: 0 !important;
    }

    .sidebar-nav {
        flex-direction: row !important;
        flex-wrap: wrap !important;
        gap: 4px !important;
        overflow: visible !important;
    }

    .sidebar-nav a {
        padding: 5px 9px !important;
        font-size: 11px !important;
        white-space: nowrap;
    }

    .sidebar-nav a.logout { margin-top: 0 !important; }

    .dashboard-main {
        margin-left: 0 !important;
        max-width: 100% !important;
        padding: 12px 14px 20px !important;
    }

    .dashboard-header h1 { font-size: 17px !important; }

    .settings-grid-2 { grid-template-columns: 1fr !important; }
}

/* ── Responsive: Mobile (≤768px) ── */
@media (max-width: 768px) {
    .admin-toolbar { flex-direction: column !important; align-items: stretch !important; }
    .admin-toolbar .search-form { max-width: 100% !important; }
    .admin-toolbar .toolbar-actions { justify-content: flex-end; }

    .mgmt-table th,
    .mgmt-table td { padding: 7px 9px !important; font-size: 11.5px !important; }

    .filter-tabs { gap: 3px; }
    .filter-tab { padding: 4px 9px !important; font-size: 11px !important; }

    .modal-content { padding: 16px 12px !important; max-width: 100% !important; }

    .dashboard-header h1 { font-size: 16px !important; }
    .dashboard-header p { font-size: 12px !important; }
}

/* ── Responsive: Small mobile (≤480px) ── */
@media (max-width: 480px) {
    .dashboard-main { padding: 10px 10px 18px !important; }
    .mgmt-table-container { border-radius: 8px !important; }
    .mgmt-table th,
    .mgmt-table td { padding: 6px 8px !important; font-size: 11px !important; }
}


/* ==========================================================================
   STUDENT PORTAL — FULL MOBILE RESPONSIVE FIX
   Breakpoints: 360px, 390px, 412px, 480px, 768px, 1024px
   Targets: Dashboard, Subject View, Topic View, Semester Pages, Navbar
   DO NOT affect Homepage (index.html uses standard nav/section layout)
   ========================================================================== */

/* ── Prevent all horizontal overflow ── */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

img, video, iframe, canvas {
    max-width: 100%;
    height: auto;
}

/* ── Navbar mobile hamburger ── */
@media (max-width: 768px) {
    nav {
        padding: 12px 16px !important;
        position: relative;
    }

    nav .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--card-border);
        padding: 16px;
        gap: 12px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        z-index: 200;
    }

    nav .nav-links.active {
        display: flex;
    }

    nav h1 {
        font-size: 20px !important;
    }

    .menu-toggle {
        display: flex !important;
    }
}

/* ── Portal Layout (Dashboard) ── */
@media (max-width: 992px) {
    .portal-layout {
        flex-direction: column;
    }

    .portal-sidebar {
        transform: translateX(-100%);
        width: 260px !important;
        z-index: 200;
    }

    .portal-sidebar.active {
        transform: translateX(0);
    }

    .workspace {
        margin-left: 0 !important;
        width: 100%;
    }

    .mobile-hamburger {
        display: block !important;
    }
}

/* ── Top Navbar (Dashboard) ── */
@media (max-width: 768px) {
    .top-nav {
        padding: 0 14px !important;
        height: 58px !important;
    }

    .search-bar {
        display: none !important;
    }

    .nav-right {
        gap: 10px !important;
    }

    .nav-right > span {
        display: none;
    }

    .nav-right > button.btn:not(.nav-icon-btn) {
        display: none;
    }
}

/* ── Workspace panels ── */
@media (max-width: 768px) {
    .workspace-panel {
        padding: 16px !important;
    }
}

@media (max-width: 480px) {
    .workspace-panel {
        padding: 12px !important;
    }
}

/* ── Welcome card ── */
@media (max-width: 768px) {
    .workspace-panel .premium-card[style*="padding: 30px"] {
        padding: 18px !important;
    }

    /* Welcome card inner flex */
    .workspace-panel .premium-card > div[style*="justify-content: space-between"] {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 14px !important;
    }

    /* Welcome heading */
    .workspace-panel h1[style*="font-size: 32px"] {
        font-size: 22px !important;
    }

    /* Streak/semester row */
    .workspace-panel > div > div[style*="display: flex; gap: 24px"] {
        gap: 14px !important;
    }
}

/* ── Quick Actions Grid (4 columns → 2 → 1) ── */
@media (max-width: 992px) {
    div[style*="grid-template-columns: repeat(4, 1fr)"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 480px) {
    div[style*="grid-template-columns: repeat(4, 1fr)"] {
        grid-template-columns: 1fr 1fr !important;
        gap: 10px !important;
    }
}

/* ── Analytics metrics row (4 cols → 2 → 1) ── */
@media (max-width: 992px) {
    div[style*="grid-template-columns: repeat(4, 1fr)"][style*="margin-bottom: 24px"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 480px) {
    div[style*="grid-template-columns: repeat(4, 1fr)"][style*="margin-bottom: 24px"] {
        grid-template-columns: 1fr !important;
    }
}

/* ── Widgets grid (1.8fr 1fr → 1fr) ── */
@media (max-width: 992px) {
    .widgets-grid {
        grid-template-columns: 1fr !important;
    }
}

/* ── 3-column grids → 1 column ── */
@media (max-width: 992px) {
    div[style*="grid-template-columns: 1fr 1fr 1fr"] {
        grid-template-columns: 1fr 1fr !important;
    }
}

@media (max-width: 600px) {
    div[style*="grid-template-columns: 1fr 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

/* ── 2-column grids → 1 column ── */
@media (max-width: 768px) {
    div[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    div[style*="grid-template-columns: 1.2fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    div[style*="grid-template-columns: 1fr 1.5fr"] {
        grid-template-columns: 1fr !important;
    }

    div[style*="grid-template-columns: 1fr 1.2fr"] {
        grid-template-columns: 1fr !important;
    }

    div[style*="grid-template-columns: 1.8fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    div[style*="grid-template-columns: 1.5fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

/* ── Career section grids ── */
@media (max-width: 768px) {
    div[style*="grid-template-columns: 1fr 1.5fr"],
    div[style*="grid-template-columns: 1fr 1.2fr"],
    div[style*="grid-template-columns: 1.2fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

/* ── Continue Learning card inner grid ── */
@media (max-width: 600px) {
    div[style*="grid-template-columns: 140px 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

/* ── Premium cards ── */
@media (max-width: 768px) {
    .premium-card {
        padding: 16px !important;
        border-radius: 12px !important;
    }
}

@media (max-width: 480px) {
    .premium-card {
        padding: 14px !important;
    }
}

/* ── Learning tabs (horizontal scroll) ── */
.learning-tabs {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap !important;
}

.learning-tabs::-webkit-scrollbar { display: none; }

@media (max-width: 600px) {
    .learning-tab-btn {
        padding: 8px 12px !important;
        font-size: 12px !important;
    }
}

/* ── Settings layout ── */
@media (max-width: 992px) {
    .settings-layout {
        grid-template-columns: 1fr !important;
    }

    .settings-sidebar {
        flex-direction: row !important;
        overflow-x: auto !important;
        white-space: nowrap;
        padding: 8px !important;
        gap: 4px !important;
    }

    .settings-nav-btn {
        width: auto !important;
        padding: 8px 12px !important;
        font-size: 12.5px !important;
        flex-shrink: 0;
    }
}

/* ── Settings form grid ── */
@media (max-width: 600px) {
    .settings-form-grid {
        grid-template-columns: 1fr !important;
    }

    .settings-form-row-split {
        grid-template-columns: 1fr !important;
    }
}

/* ── Profile form grid ── */
@media (max-width: 768px) {
    div[style*="grid-template-columns: 1fr 1fr"][style*="gap: 16px"] {
        grid-template-columns: 1fr !important;
    }
}

/* ── AI Hub toolbar (horizontal scroll) ── */
@media (max-width: 768px) {
    #ai-hub > div[style*="display: flex; gap: 8px; overflow-x: auto"] {
        gap: 6px !important;
        padding-bottom: 8px;
    }
}

/* ── Planner calendar grid ── */
@media (max-width: 480px) {
    .planner-cal-grid {
        gap: 4px !important;
    }

    .planner-day-cell {
        padding: 4px !important;
        font-size: 10px !important;
    }

    .planner-day-header {
        font-size: 9px !important;
    }
}

/* ── Top recruiters grid ── */
@media (max-width: 600px) {
    div[style*="grid-template-columns: repeat(4, 1fr)"][style*="text-align: center"] {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

@media (max-width: 400px) {
    div[style*="grid-template-columns: repeat(4, 1fr)"][style*="text-align: center"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* ── Modals ── */
@media (max-width: 600px) {
    .modal-content {
        width: 95% !important;
        max-width: 95% !important;
        padding: 20px 16px !important;
        max-height: 88vh !important;
    }

    #delete-account-modal .modal-content,
    #terms-modal .modal-content {
        width: 95% !important;
        max-width: 95% !important;
    }
}

/* ── Toast container ── */
@media (max-width: 600px) {
    #toast-container {
        bottom: 12px !important;
        right: 12px !important;
        left: 12px !important;
    }

    .toast {
        min-width: unset !important;
        max-width: 100% !important;
        width: 100%;
    }
}

/* ── Subject View Layout ── */
@media (max-width: 992px) {
    .subject-layout {
        grid-template-columns: 1fr !important;
    }

    .resource-sidebar {
        position: relative !important;
        top: 0 !important;
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        padding: 14px !important;
    }

    .sidebar-menu-btn {
        flex: 1;
        min-width: 120px;
        padding: 8px 10px !important;
        font-size: 12.5px !important;
        margin-bottom: 0 !important;
        justify-content: center;
    }
}

@media (max-width: 600px) {
    .sidebar-menu-btn {
        min-width: 100px;
        font-size: 11.5px !important;
        padding: 7px 8px !important;
    }

    .resource-grid {
        grid-template-columns: 1fr !important;
    }

    .chapter-card {
        padding: 18px !important;
    }

    .chapter-card > div[style*="justify-content: space-between"] {
        flex-direction: column !important;
        gap: 14px !important;
    }

    .chapter-card h2[style*="font-size: 22px"] {
        font-size: 18px !important;
    }
}

/* ── Topic View (Chapter Portal) ── */
@media (max-width: 992px) {
    .portal-container {
        grid-template-columns: 1fr !important;
        padding: 0 14px !important;
        margin-top: 16px !important;
    }
}

@media (max-width: 768px) {
    .portal-container {
        padding: 0 12px !important;
        gap: 20px !important;
    }

    .section-card {
        padding: 18px !important;
        margin-bottom: 16px !important;
    }

    .section-header h2 {
        font-size: 15px !important;
    }

    .material-list-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .video-player-container {
        border-radius: 8px !important;
    }

    /* Lecture controls wrap */
    #lecture-controls {
        flex-wrap: wrap !important;
        gap: 8px !important;
    }

    #lecture-controls button {
        flex: 1;
        min-width: 100px;
        font-size: 12px !important;
        padding: 8px 10px !important;
    }

    /* Playlist items */
    .playlist-item {
        padding: 10px 12px !important;
    }

    .playlist-item h4 {
        font-size: 13px !important;
    }

    /* Chapter header */
    .section-card h1[style*="font-size: 32px"] {
        font-size: 22px !important;
    }

    .info-pill-row {
        gap: 8px !important;
    }

    .info-pill {
        font-size: 11.5px !important;
        padding: 4px 10px !important;
    }

    /* Download rows */
    .download-row {
        padding: 10px 12px !important;
    }

    /* Sidebar widget */
    .sidebar-widget {
        padding: 18px !important;
    }
}

@media (max-width: 480px) {
    .material-list-grid {
        grid-template-columns: 1fr !important;
    }

    .material-card {
        padding: 14px !important;
    }

    .section-card h1[style*="font-size: 32px"] {
        font-size: 20px !important;
    }
}

/* ── Semester / Year pages (first_year, second_year, etc.) ── */
@media (max-width: 768px) {
    .page-header {
        padding: 30px 16px 20px !important;
    }

    .page-header h1 {
        font-size: 26px !important;
    }

    .page-container {
        padding: 0 14px 40px !important;
    }

    .grid-container {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)) !important;
        gap: 16px !important;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 22px !important;
    }

    .grid-container {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
    }

    .card {
        padding: 18px !important;
    }
}

/* ── Engineering page ── */
@media (max-width: 768px) {
    .year-card {
        padding: 20px !important;
    }
}

/* ── Contact page ── */
@media (max-width: 768px) {
    .contact-container {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }

    .contact-form-wrapper {
        padding: 20px !important;
    }
}

/* ── Auth pages (login, signup) ── */
@media (max-width: 600px) {
    .split-screen {
        grid-template-columns: 1fr !important;
    }

    .auth-branding-panel {
        display: none !important;
    }

    .auth-form-panel {
        padding: 20px 14px !important;
    }

    .auth-card {
        padding: 24px 16px !important;
    }

    .signup-form-grid {
        grid-template-columns: 1fr !important;
        gap: 0 !important;
    }
}

/* ── Buttons on mobile ── */
@media (max-width: 480px) {
    .btn, button:not(.nav-icon-btn):not(.mobile-hamburger):not(.menu-toggle):not(.eye-toggle-btn):not(.learning-tab-btn):not(.settings-nav-btn):not(.action-icon-btn):not(.bubble-control-btn) {
        font-size: 13px !important;
        padding: 10px 16px !important;
    }
}

/* ── Form inputs on mobile ── */
@media (max-width: 480px) {
    .form-input, .search-input, .select-input, .contact-input {
        font-size: 14px !important;
        padding: 10px 12px !important;
    }
}

/* ── Footer on mobile ── */
@media (max-width: 600px) {
    footer {
        padding: 24px 16px 16px !important;
    }

    footer > div[style*="display: flex; justify-content: center"] {
        flex-wrap: wrap !important;
        gap: 12px !important;
    }
}

/* ── Sidebar overlay backdrop ── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 150;
    backdrop-filter: blur(2px);
}

.sidebar-overlay.active {
    display: block;
}

/* ── 360px extreme small ── */
@media (max-width: 390px) {
    .workspace-panel {
        padding: 10px !important;
    }

    .premium-card {
        padding: 12px !important;
    }

    .top-nav {
        padding: 0 10px !important;
    }

    .section-card {
        padding: 14px !important;
    }

    .portal-container {
        padding: 0 10px !important;
    }

    .page-container {
        padding: 0 10px 30px !important;
    }
}

/* ── Prevent text overflow everywhere ── */
h1, h2, h3, h4, h5, h6, p, span, a, li, td, th, label {
    word-break: break-word;
    overflow-wrap: break-word;
}

/* ── Tables responsive wrapper ── */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ── Charts responsive ── */
canvas {
    max-width: 100% !important;
}

/* ── Sidebar overlay for dashboard mobile ── */
@media (max-width: 992px) {
    .portal-sidebar {
        box-shadow: 4px 0 20px rgba(0,0,0,0.4);
    }
}