/*
 * Modern, calm, ERP-style UI. Light surface, blue accent, generous spacing.
 * Applies purely visual refinements - no layout changes to existing HTML.
 */

/*
 * NIET-Inspired Professional College ERP Color Theme
 * Primary Brand Color: Institutional Red
 * Design Philosophy: Formal, Trustworthy, Academic
 */

:root {
    /* === BACKGROUND COLORS === */
    --bg-page: #F5F7F9;              /* Off-white page background - Clean, subtle */
    --bg-surface: #FFFFFF;           /* Pure white for cards and surfaces */
    --bg-subtle: #F8FAFB;            /* Very light grey for alternate sections */
    
    /* === TEXT COLORS === */
    --text-primary: #1A202C;         /* Dark charcoal for headings - High contrast */
    --text-secondary: #4A5568;       /* Dark grey for body text - Readable */
    --text-muted: #718096;           /* Medium grey for secondary text */
    
    /* === BRAND COLORS (Institutional Red) === */
    --accent: #C41E3A;               /* Primary institutional red - CTA buttons, branding */
    --accent-strong: #9B1728;        /* Dark maroon - Hover states, active items */
    --accent-light: #E63946;         /* Bright red accent - Highlights, badges */
    --accent-subtle: #FEF2F3;        /* Very light red - Backgrounds, notifications */
    
    /* === STATUS COLORS (Muted & Professional) === */
    --success: #059669;              /* Muted emerald green - Attendance ≥75% */
    --success-light: #D1FAE5;        /* Light green background */
    --warning: #D97706;              /* Amber/Orange - Attendance 60-74% */
    --warning-light: #FEF3C7;        /* Light amber background */
    --danger: #DC2626;               /* Soft red - Attendance <60% */
    --danger-light: #FEE2E2;         /* Light red background */
    
    /* === NEUTRAL GREYS === */
    --border: #E2E8F0;               /* Light grey for borders and dividers */
    --border-strong: #CBD5E0;        /* Medium grey for emphasized borders */
    --grey-50: #F7FAFC;              /* Lightest grey */
    --grey-100: #EDF2F7;             /* Very light grey */
    --grey-200: #E2E8F0;             /* Light grey */
    --grey-300: #CBD5E0;             /* Medium-light grey */
    --grey-400: #A0AEC0;             /* Medium grey */
    --grey-500: #718096;             /* Neutral grey */
    
    /* === SHADOWS (Subtle & Professional) === */
    --shadow-soft: 0 2px 8px rgba(26, 32, 44, 0.04), 0 1px 3px rgba(26, 32, 44, 0.06);
    --shadow-hover: 0 8px 24px rgba(196, 30, 58, 0.12), 0 4px 12px rgba(26, 32, 44, 0.08);
    --shadow-strong: 0 12px 32px rgba(26, 32, 44, 0.12);
    
    /* === DESIGN TOKENS === */
    --radius: 12px;
    --transition: 0.2s ease;
    
    /* === TYPOGRAPHY === */
    font-family: "Inter", "Segoe UI", "Roboto", system-ui, -apple-system, sans-serif;
}

/*
 * COLOR USAGE GUIDE:
 * 
 * PRIMARY RED (--accent):
 * - Logo and branding elements
 * - Primary CTA buttons
 * - Active navigation indicators
 * - Important highlights and badges
 * - Use sparingly for maximum impact
 * 
 * DARK RED (--accent-strong):
 * - Button hover states
 * - Active menu items
 * - Links on hover
 * 
 * BACKGROUNDS:
 * - --bg-page: Main page background
 * - --bg-surface: Cards, modals, panels
 * - --bg-subtle: Alternate sections, table rows
 * 
 * TEXT HIERARCHY:
 * - --text-primary: Page titles, card headings
 * - --text-secondary: Body text, descriptions
 * - --text-muted: Labels, captions, metadata
 * 
 * BORDERS & DIVIDERS:
 * - --border: Default borders and dividers
 * - --border-strong: Emphasized separators
 */

/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    padding: 0;
}

a { color: inherit; }

/* LAYOUT */
.app-container {
    min-height: 100vh;
    padding-top: 70px; /* Space for fixed navbar */
}

/* ========== TOP NAVIGATION BAR ========== */
.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
    z-index: 1000;
    height: 70px;
}

.navbar-container {
    max-width: 100%;
    height: 100%;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.navbar-brand h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
    margin: 0;
    white-space: nowrap;
    letter-spacing: -0.02em;
}

.navbar-toggler {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.navbar-toggler span {
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.navbar-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 4px;
    margin: 0;
    padding: 0;
    flex: 1;
    justify-content: center;
}

.navbar-menu li {
    position: relative;
}

.navbar-menu .nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
    position: relative;
    white-space: nowrap;
}

.navbar-menu .nav-link i {
    font-size: 16px;
}

.navbar-menu .nav-link:hover {
    background: var(--bg-subtle);
    color: var(--accent);
}

.navbar-menu .nav-link.active {
    color: var(--accent);
    background: var(--accent-subtle);
    font-weight: 600;
}

.navbar-menu .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
    border-radius: 2px 2px 0 0;
}

/* Dropdown Styles */
.nav-dropdown {
    position: relative;
}

.dropdown-icon {
    font-size: 10px !important;
    margin-left: 2px;
    transition: transform 0.2s ease;
}

.nav-dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
    list-style: none;
    padding: 6px;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 100;
}

.nav-dropdown:hover .dropdown-menu,
.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.dropdown-menu a:hover {
    background: var(--bg-subtle);
    color: var(--accent);
}

.dropdown-menu a.active {
    background: var(--accent-subtle);
    color: var(--accent);
    font-weight: 600;
    border-left: 3px solid var(--accent);
    padding-left: 11px;
}

.dropdown-menu i {
    font-size: 14px;
    width: 16px;
}

/* User Profile Section */
.navbar-user {
    position: relative;
    margin-left: auto;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg-subtle);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.user-profile:hover {
    background: #e0e5ee;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.user-avatar i {
    font-size: 36px;
}

.user-details {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-details i {
    font-size: 10px;
    color: var(--text-muted);
    transition: transform 0.2s ease;
}

.user-profile:hover .user-details i {
    transform: rotate(180deg);
}

.user-dropdown {
    right: 0;
    left: auto;
    top: calc(100% + 8px);
}

.user-dropdown a i {
    color: var(--text-muted);
}

/* Old sidebar - Hide it */
.sidebar {
    display: none;
}

.main-content {
    flex: 1;
    padding: 28px;
    min-height: calc(100vh - 70px);
    width: 100%;
}

.content-header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-bottom: 24px;
    margin-bottom: 32px;
    border-bottom: 2px solid var(--border);
    position: relative;
}

.content-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 2px;
}

.content-header h1 {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-align: center;
}

.user-info {
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.user-icon {
    font-size: 16px;
    margin-right: 4px;
}

.btn-logout {
    background: var(--danger);
    color: #fff;
    padding: 8px 20px;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
}

.btn-logout:hover {
    background: #b91c1c;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(220, 38, 38, 0.35);
}

.btn-logout:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(220, 38, 38, 0.2);
}

.btn-logout:focus-visible {
    outline: 2px solid var(--danger);
    outline-offset: 2px;
}

/* CARDS */
.card,
.subject-card,
.leave-card,
.recommendations-list {
    background: var(--bg-surface);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
    border: 1px solid var(--border);
    padding: 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before,
.subject-card::before,
.leave-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.card:hover,
.subject-card:hover,
.leave-card:hover,
.recommendations-list:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(196, 30, 58, 0.12), 0 4px 12px rgba(26, 32, 44, 0.06);
    border-color: rgba(196, 30, 58, 0.2);
}

.card:hover::before,
.subject-card:hover::before,
.leave-card:hover::before {
    transform: scaleX(1);
}

.card-header { margin-bottom: 12px; }

.card-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.card-content { color: var(--text-secondary); }

/* STAT ITEMS */
.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.stat-item:last-child { border-bottom: none; }

.stat-label { color: var(--text-muted); font-size: 14px; }

.stat-value { color: var(--text-primary); font-weight: 700; font-size: 16px; }

/* BUTTONS */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.25);
}

.btn-primary:hover { 
    background: var(--accent-strong); 
    box-shadow: 0 6px 16px rgba(196, 30, 58, 0.35); 
    transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(1px); }

.btn-primary.is-pressed,
.btn-secondary.is-pressed {
    transform: translateY(1px);
    box-shadow: none;
}

.btn-secondary {
    background: #e4e9f2;
    color: var(--text-primary);
    border-color: #d5dce8;
}

.btn-secondary:hover { background: #dde3ee; }

.btn-secondary:active { transform: translateY(1px); }

button:disabled,
.btn-primary:disabled,
.btn-secondary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    box-shadow: none;
}

button:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.sidebar-menu a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* FORMS */
form { width: 100%; }

.form-group { margin-bottom: 18px; }

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #d5dce8;
    background: #fff;
    font-size: 14px;
    color: var(--text-primary);
    transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.18);
    background: #f8fbff;
}

select {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, #6b7280 50%), linear-gradient(135deg, #6b7280 50%, transparent 50%);
    background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
}

input[type="radio"],
input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

/* LOGIN PAGE */
.login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: #f8f9fa;
    padding: 0;
    margin: 0;
}

/* HEADER */
.main-header {
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.logo-section {
    flex-shrink: 0;
}

.logo {
    height: 50px;
    width: auto;
}

.main-nav {
    display: flex;
    gap: 32px;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: #4b5563;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--accent);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 3px;
    background: #f97316;
    border-radius: 2px;
}

.auth-buttons {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.btn-header-login,
.btn-header-register {
    padding: 10px 24px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-header-login {
    background: #334155;
    color: white;
}

.btn-header-login:hover {
    background: #1e293b;
    transform: translateY(-1px);
}

.btn-header-register {
    background: #f97316;
    color: white;
}

.btn-header-register:hover {
    background: #ea580c;
    transform: translateY(-1px);
}

/* LANDING PAGE MAIN CONTENT */
.landing-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
}

.content-container {
    max-width: 1200px;
    display: flex;
    align-items: center;
    gap: 80px;
}

.student-illustration {
    flex-shrink: 0;
}

.student-img {
    width: 350px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.1));
    animation: gentleFloat 3s ease-in-out infinite;
}

/* Keyframe animations for student image */
@keyframes gentleFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes subtleBounce {
    0%, 100% {
        transform: translateY(0px) scale(1);
    }
    50% {
        transform: translateY(-8px) scale(1.02);
    }
}

.content-text {
    flex: 1;
}

.main-heading {
    font-size: 72px;
    font-weight: 700;
    color: #D42F5C;
    text-shadow: 3px 3px 0 rgba(0,0,0,0.05);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.description {
    font-size: 18px;
    line-height: 1.8;
    color: #4b5563;
    margin-bottom: 32px;
    max-width: 600px;
}

.btn-read-more {
    background: white;
    color: #334155;
    border: 2px solid #e5e7eb;
    padding: 12px 32px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.btn-read-more:hover {
    background: #334155;
    color: white;
    border-color: #334155;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

/* LOGIN MODAL */
.login-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 16px;
    padding: 40px;
    width: 90%;
    max-width: 440px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    z-index: 1001;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close-modal {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 32px;
    color: #9ca3af;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
    transition: color 0.2s ease;
}

.close-modal:hover {
    color: #374151;
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 28px;
    text-align: center;
}

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

.login-form .form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
}

.login-form .form-group input {
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    background: white;
    color: var(--text-primary);
    font-size: 15px;
    transition: all 0.2s ease;
}

.login-form .form-group input::placeholder {
    color: #9ca3af;
}

.login-form .form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.btn-modal-login {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

.btn-modal-login:hover {
    background: var(--accent-strong);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(37,99,235,0.3);
}

.btn-modal-login:active {
    transform: translateY(0);
}

.error-message {
    background: #fef2f2;
    border: 1px solid #fecdd3;
    color: #b91c1c;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    margin-top: 12px;
    text-align: center;
}

.success-message {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #15803d;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    margin-top: 12px;
    text-align: center;
}

.modal-footer-text {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
}

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

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

/* NAVBAR RESPONSIVE STYLES */
@media (max-width: 1200px) {
    .navbar-menu {
        gap: 2px;
    }
    
    .navbar-menu .nav-link {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .navbar-menu .nav-link span {
        display: none;
    }
    
    .navbar-menu .nav-link i {
        font-size: 18px;
    }
    
    .dropdown-icon {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .navbar-toggler {
        display: flex;
    }
    
    .navbar-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        box-shadow: 0 8px 16px rgba(15, 23, 42, 0.12);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .navbar-menu.active {
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .navbar-menu li {
        width: 100%;
    }
    
    .navbar-menu .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: 12px 16px;
    }
    
    .navbar-menu .nav-link span {
        display: inline;
    }
    
    .navbar-menu .nav-link.active::after {
        display: none;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-left: 2px solid var(--accent);
        margin-left: 20px;
        margin-top: 4px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .dropdown-menu.show {
        max-height: 500px;
    }
    
    .dropdown-icon {
        display: inline !important;
        margin-left: auto;
    }
    
    .user-name {
        max-width: 100px;
    }
}

@media (max-width: 480px) {
    .navbar-container {
        padding: 0 16px;
    }
    
    .navbar-brand h2 {
        font-size: 16px;
    }
    
    .user-name {
        display: none;
    }
    
    .user-profile {
        padding: 6px;
    }
    
    .user-avatar {
        width: 32px;
        height: 32px;
    }
    
    .user-avatar i {
        font-size: 32px;
    }
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .content-container {
        gap: 50px;
    }
    
    .student-img {
        width: 280px;
    }
    
    .main-heading {
        font-size: 56px;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 12px 20px;
        flex-wrap: wrap;
    }
    
    .main-nav {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        gap: 20px;
        padding-top: 12px;
        border-top: 1px solid #e5e7eb;
    }
    
    .content-container {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .student-img {
        width: 250px;
    }
    
    .main-heading {
        font-size: 48px;
    }
    
    .description {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .logo {
        height: 40px;
    }
    
    .auth-buttons {
        gap: 8px;
    }
    
    .btn-header-login,
    .btn-header-register {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .main-heading {
        font-size: 36px;
    }
    
    .student-img {
        width: 200px;
    }
    
    .modal-content {
        padding: 28px 24px;
    }
}

/* ABOUT SECTION */
.about-section {
    background: white;
    padding: 80px 40px;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 50px;
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.about-item {
    background: var(--bg-subtle);
    padding: 28px;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

.about-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.about-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CONTACT SECTION */
.contact-section {
    background: var(--bg-page);
    padding: 80px 40px;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 40px;
}

.contact-info h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: start;
}

.contact-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 2px 0;
}

.contact-form-wrapper {
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
}

.contact-form-wrapper h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
}

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

.contact-form .form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
}

.contact-form .form-group input,
.contact-form .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    background: white;
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.contact-form .form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .form-group input::placeholder,
.contact-form .form-group textarea::placeholder {
    color: #9ca3af;
}

.contact-form .form-group input:focus,
.contact-form .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.btn-contact-submit {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-contact-submit:hover {
    background: var(--accent-strong);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(37,99,235,0.3);
}

.btn-contact-submit:active {
    transform: translateY(0);
}

.success-message {
    background: #ecfdf3;
    border: 1px solid #a7f3d0;
    color: #047857;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    margin-top: 12px;
    text-align: center;
}

/* FOOTER */
.main-footer {
    background: #1e293b;
    color: white;
    padding: 24px 40px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-container p {
    margin: 0;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: white;
}

/* CONTACT & ABOUT RESPONSIVE */
@media (max-width: 968px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-content {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (max-width: 640px) {
    .about-section,
    .contact-section {
        padding: 50px 20px;
    }
    
    .section-title {
        font-size: 28px;
        margin-bottom: 32px;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

/* DASHBOARD & ATTENDANCE */
.dashboard-content,
.attendance-content,
.leave-tracker-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.cards-grid,
.attendance-grid,
.leave-grid {
    display: grid;
    gap: 28px;
}

.cards-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.attendance-grid,
.leave-grid { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.attendance-grid > *,
.leave-grid > *,
.cards-grid > * {
    animation: fadeInUp 0.6s ease-out backwards;
}

.attendance-grid > *:nth-child(1) { animation-delay: 0.1s; }
.attendance-grid > *:nth-child(2) { animation-delay: 0.2s; }
.attendance-grid > *:nth-child(3) { animation-delay: 0.3s; }
.attendance-grid > *:nth-child(4) { animation-delay: 0.4s; }
.attendance-grid > *:nth-child(5) { animation-delay: 0.5s; }
.attendance-grid > *:nth-child(6) { animation-delay: 0.6s; }

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

.attendance-summary {
    margin-bottom: 40px;
    display: flex;
    justify-content: center;
}

.summary-card {
    background: linear-gradient(135deg, #ffffff 0%, #fefefe 100%);
    border-radius: 20px;
    padding: 48px 60px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(196, 30, 58, 0.08), 0 0 0 1px rgba(226, 232, 240, 1);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 350px;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--success));
}

.summary-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.summary-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 48px rgba(196, 30, 58, 0.15), 0 0 0 1px rgba(196, 30, 58, 0.15);
}

.summary-card:hover::after {
    opacity: 1;
}

.summary-card h3 { 
    color: var(--text-secondary); 
    font-weight: 700; 
    margin-bottom: 20px; 
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.overall-percentage { 
    font-size: 72px; 
    font-weight: 900; 
    color: var(--accent);
    letter-spacing: -0.03em;
    line-height: 1;
    margin: 20px 0;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.subjects-container,
.leave-analysis,
.recommendations {
    margin-bottom: 32px;
}

.subjects-container h3,
.leave-analysis h3,
.recommendations h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 28px;
    text-align: center;
    position: relative;
    padding-bottom: 16px;
}

.subjects-container h3::after,
.leave-analysis h3::after,
.recommendations h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 2px;
}

.subject-header,
.leave-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 14px;
}

.subject-name,
.leave-subject { font-size: 16px; font-weight: 700; color: var(--text-primary); }

.attendance-badge,
.leave-status {
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.attendance-badge:hover,
.leave-status:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.badge-good { 
    background: linear-gradient(135deg, var(--success-light), #d1fae5); 
    color: var(--success); 
    border: 1px solid #86efac;
}
.badge-warning { 
    background: linear-gradient(135deg, var(--warning-light), #fef3c7); 
    color: var(--warning); 
    border: 1px solid #fcd34d;
}
.badge-danger { 
    background: linear-gradient(135deg, var(--danger-light), #fee2e2); 
    color: var(--danger); 
    border: 1px solid #fca5a5;
}

.status-safe { background: #ecfdf3; color: var(--success); }
.status-warning { background: #fefce8; color: #b45309; }
.status-critical { background: #fef2f2; color: var(--danger); }

.attendance-details { margin-bottom: 14px; }

.detail-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-secondary);
    padding: 6px 0;
}

.detail-value { font-weight: 700; color: var(--text-primary); }

.progress-bar {
    width: 100%;
    height: 12px;
    background: var(--bg-subtle);
    border-radius: 999px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
}

.progress-fill {
    height: 100%;
    border-radius: 999px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-good { background: linear-gradient(90deg, var(--success), #10b981); }
.progress-warning { background: linear-gradient(90deg, var(--warning), #f59e0b); }
.progress-danger { background: linear-gradient(90deg, var(--danger), var(--accent-light)); }

/* LEAVE TRACKER */
.leave-card.critical { border-left: 4px solid var(--danger); }
.leave-card.warning { border-left: 4px solid var(--warning); }
.leave-card.safe { border-left: 4px solid var(--success); }

.leave-details { color: var(--text-secondary); }

.leave-message {
    background: var(--bg-subtle);
    border-radius: 10px;
    padding: 14px;
    font-size: 14px;
    color: var(--text-secondary);
}

.leave-message.safe { border-left: 3px solid var(--success); }
.leave-message.warning { border-left: 3px solid var(--warning); }
.leave-message.critical { border-left: 3px solid var(--danger); }

.recommendations-list { padding: 18px; }

.recommendation-item {
    padding: 14px 12px;
    border-left: 4px solid var(--accent);
    background: #f7f9fd;
    border-radius: 10px;
    margin-bottom: 12px;
}

.recommendation-item:last-child { margin-bottom: 0; }

.recommendation-item h4 { margin-bottom: 6px; font-weight: 700; color: var(--text-primary); }

.recommendation-item p { color: var(--text-secondary); font-size: 14px; }

/* INFO BANNER */
.info-banner {
    background: #eef2ff;
    border: 1px solid #d9e0ff;
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-soft);
    color: #1e3a8a;
}

/* MICRO INTERACTIONS */
.cards-grid > *,
.attendance-grid > *,
.leave-grid > * {
    animation: fadeIn 0.24s ease both;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* RESPONSIVE */
@media (max-width: 960px) {
    .sidebar {
        position: relative;
        width: 100%;
        flex-direction: row;
        align-items: center;
        padding: 12px 16px;
        gap: 12px;
    }

    .sidebar-menu {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        padding: 0;
    }

    .sidebar-menu a {
        border-radius: 8px;
        border-left: none;
        padding: 10px 14px;
    }

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

@media (max-width: 640px) {
    .content-header { flex-direction: column; align-items: flex-start; gap: 6px; }
    .overall-percentage { font-size: 34px; }
    .cards-grid,
    .attendance-grid,
    .leave-grid { grid-template-columns: 1fr; }
}

/* ========== PROFILE PAGE STYLES ========== */

.profile-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Profile Header Card */
.profile-header-card {
    background: var(--bg-surface);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
    margin-bottom: 32px;
    border: 1px solid var(--border);
    position: relative;
}

.profile-cover {
    height: 180px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 50%, #DC2626 100%);
    position: relative;
}

.profile-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.profile-header-content {
    padding: 0 40px 32px;
    display: flex;
    gap: 32px;
    align-items: flex-start;
    position: relative;
}

.profile-avatar-section {
    position: relative;
    margin-top: -80px;
}

.profile-avatar-large {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffffff, #f8fafc);
    border: 6px solid #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.2);
    position: relative;
    z-index: 2;
}

.profile-avatar-large i {
    font-size: 80px;
    color: var(--accent);
}

.btn-edit-avatar {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    border: 3px solid white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
    z-index: 3;
}

.btn-edit-avatar:hover {
    background: var(--accent-strong);
    transform: scale(1.1);
}

.profile-header-info {
    flex: 1;
    padding-top: 20px;
}

.profile-name {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.profile-username {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.profile-tags {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.profile-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-subtle);
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.profile-tag i {
    color: var(--accent);
    font-size: 14px;
}

.btn-edit-profile {
    padding: 12px 24px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-edit-profile:hover {
    background: var(--accent-strong);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

/* Profile Grid Layout */
.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
    align-items: start;
}

.profile-column-left,
.profile-column-center,
.profile-column-right {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Profile Cards */
.profile-card {
    background: var(--bg-surface);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.profile-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.12);
    border-color: rgba(37, 99, 235, 0.2);
}

.profile-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(to bottom, var(--bg-surface), var(--bg-subtle));
}

.profile-card-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.profile-card-header h3 i {
    color: var(--accent);
    font-size: 20px;
}

.profile-card-body {
    padding: 24px;
}

.profile-card-body.text-center {
    text-align: center;
}

/* Skills Section */
.skill-item {
    margin-bottom: 20px;
}

.skill-item:last-child {
    margin-bottom: 0;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 14px;
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
}

.skill-value {
    font-weight: 700;
    color: var(--accent);
}

.skill-bar {
    height: 10px;
    background: var(--bg-subtle);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 10px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

/* Interests Section */
.interest-item {
    margin-bottom: 18px;
}

.interest-item:last-child {
    margin-bottom: 0;
}

.interest-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 14px;
}

.interest-name {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.interest-name i {
    color: var(--accent);
    font-size: 16px;
}

.interest-value {
    font-weight: 700;
    color: var(--accent);
}

.interest-bar {
    height: 8px;
    background: var(--bg-subtle);
    border-radius: 10px;
    overflow: hidden;
}

.interest-progress {
    height: 100%;
    background: linear-gradient(90deg, #34d399, #10b981);
    border-radius: 10px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Circular Progress */
.circular-progress {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 20px auto;
}

.circular-chart {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.circular-bg {
    fill: none;
    stroke: var(--bg-subtle);
    stroke-width: 8;
}

.circular-fill {
    fill: none;
    stroke: url(#gradient);
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dasharray 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.circular-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.circular-value {
    display: block;
    font-size: 48px;
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
}

.circular-label {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 4px;
}

.study-time-desc {
    color: var(--text-secondary);
    margin: 16px 0;
    font-size: 14px;
}

.study-stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 20px;
}

.study-stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-subtle);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.study-stat-item i {
    color: var(--accent);
    font-size: 16px;
}

/* Course List */
.course-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.course-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-subtle);
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.course-item:hover {
    background: #e0e5ee;
    transform: translateX(4px);
}

.course-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.course-info {
    flex: 1;
}

.course-info h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.course-info p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}

.course-arrow {
    color: var(--text-muted);
    font-size: 14px;
    transition: all 0.3s ease;
}

.course-item:hover .course-arrow {
    color: var(--accent);
    transform: translateX(4px);
}

/* Personal Information */
.info-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-label i {
    color: var(--accent);
    width: 16px;
}

.info-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
    text-align: right;
}

/* About Me */
.about-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin: 0;
}

/* Mentor Section */
.mentor-info {
    display: flex;
    gap: 16px;
    align-items: start;
}

.mentor-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    flex-shrink: 0;
}

.mentor-details {
    flex: 1;
}

.mentor-details h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.mentor-details p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 4px 0;
}

.mentor-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px !important;
    color: var(--text-muted) !important;
}

.mentor-contact i {
    color: var(--accent);
    font-size: 12px;
}

/* Profile Page Responsive */
@media (max-width: 1200px) {
    .profile-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .profile-column-right {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .profile-header-content {
        flex-direction: column;
        padding: 0 20px 24px;
        gap: 20px;
    }
    
    .profile-avatar-section {
        margin-top: -60px;
        align-self: center;
    }
    
    .profile-avatar-large {
        width: 120px;
        height: 120px;
    }
    
    .profile-avatar-large i {
        font-size: 60px;
    }
    
    .profile-name {
        font-size: 28px;
        text-align: center;
    }
    
    .profile-username {
        text-align: center;
    }
    
    .profile-tags {
        justify-content: center;
    }
    
    .btn-edit-profile {
        width: 100%;
        justify-content: center;
    }
    
    .profile-grid {
        grid-template-columns: 1fr;
    }
    
    .study-stats {
        flex-direction: column;
        gap: 12px;
    }
    
    .study-stat-item {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .profile-cover {
        height: 120px;
    }
    
    .profile-card-header {
        padding: 16px 20px;
    }
    
    .profile-card-body {
        padding: 20px;
    }
    
    .circular-progress {
        width: 140px;
        height: 140px;
    }
    
    .circular-value {
        font-size: 36px;
    }
}