/*
Theme Name: BiniTutorLMS
Author: Biniam Alemayehu
Description: BiniTutor learning management system theme converted from the v3 static site.
Version: 1.0.5
Text Domain: binitutorlms
*/

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

:root {
    --primary-light: #E8E9EB;
    --secondary: #CCCDC6;
    --tertiary: #ACADA8;
    --dark-gray: #746D69;
    --almost-black: #262626;
    --font-family: 'EuclidCircularB', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--primary-light);
    color: var(--almost-black);
    overflow-x: hidden;
}

header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background-color: var(--primary-light);
}

/* ==================== NAVIGATION STYLES ==================== */
.navbar {
    position: relative;
    background-color: var(--primary-light);
    border-bottom: 1px solid var(--secondary);
    padding: 0.75rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 0 2rem;
    max-width: 100%;
}

/* Logo */
.navbar-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--almost-black);
    text-decoration: none;
    transition: all 0.3s ease;
}

.navbar-logo-mobile {
    /* width: 150px; */
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--almost-black);
    text-decoration: none;
    transition: all 0.3s ease;
}

.navbar-logo:hover {
    color: var(--dark-gray);
    transform: scale(1.05);
}

.navbar-logo i {
    color: var(--dark-gray);
}

/* Left Menu (Browse) */
.navbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.browse-menu {
    position: relative;
}

.browse-btn {
    background: none;
    border: none;
    font-size: 1rem;
    color: var(--almost-black);
    font-family: var(--font-family);
    font-weight: 500;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.browse-btn:hover {
    background-color: var(--secondary);
    color: var(--almost-black);
}

.browse-btn.active {
    background-color: var(--secondary);
}

/* Browse Dropdown */
.browse-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 250px;
    border: 1px solid var(--secondary);
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.browse-dropdown .dropdown-item {
    padding: 0.75rem 1.5rem;
    color: var(--almost-black);
    cursor: pointer;
    border-bottom: 1px solid var(--primary-light);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

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

.browse-dropdown .dropdown-item:hover {
    background-color: var(--primary-light);
    padding-left: 2rem;
}

.browse-dropdown .dropdown-item i {
    color: var(--dark-gray);
    width: 1rem;
}

/* Center Search Bar */
.navbar-center {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 0;
}

.search-container {
    width: 100%;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    border: 1px solid var(--secondary);
    border-radius: 0.5rem;
    font-family: var(--font-family);
    font-size: 0.95rem;
    background-color: white;
    color: var(--almost-black);
    transition: all 0.3s ease;
}

.search-input::placeholder {
    color: var(--tertiary);
}

.search-input:focus {
    outline: none;
    border-color: var(--dark-gray);
    box-shadow: 0 0 0 3px rgba(116, 109, 105, 0.1);
    background-color: white;
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--tertiary);
    pointer-events: none;
    display: none;
}

/* Right Menu */
.navbar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-shrink: 0;
}

.navbar-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--almost-black);
    text-decoration: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-item:hover {
    background-color: var(--secondary);
    color: var(--almost-black);
}

.navbar-item i {
    font-size: 1.1rem;
}

.icon-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: #e74c3c;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
}

/* Notification Dropdown */
.notification-dropdown {
    position: relative;
}

.notification-btn {
    background: none;
    border: none;
    padding: 0.5rem 1rem;
}

.notification-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    width: 320px;
    background-color: #ffffff;
    border: 1px solid var(--secondary);
    border-radius: 0.75rem;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 1005;
}

.notification-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.notification-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--secondary);
    font-weight: 600;
}

.notification-mark-all {
    background: none;
    border: none;
    color: var(--dark-gray);
    font-size: 0.8rem;
    cursor: pointer;
}

.notification-list {
    max-height: 360px;
    overflow-y: auto;
}

.notification-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #f0f0f0;
}

.notification-item.unread {
    background-color: #e6f4ff;
}

.notification-item.read {
    background-color: #ffffff;
}

.notification-title {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.notification-desc {
    font-size: 0.9rem;
    color: #444;
}

.notification-action {
    background: none;
    border: none;
    color: var(--dark-gray);
    font-size: 0.75rem;
    cursor: pointer;
    white-space: nowrap;
}

.notification-empty {
    display: none;
    padding: 1rem;
    text-align: center;
    color: var(--dark-gray);
    font-size: 0.9rem;
}

.notification-footer {
    padding: 0.75rem 1rem;
    text-align: center;
    border-top: 1px solid var(--secondary);
}

.notification-footer a {
    color: var(--almost-black);
    font-weight: 600;
    text-decoration: none;
}

/* Profile Dropdown */
.profile-dropdown {
    position: relative;
}

.profile-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--dark-gray), var(--tertiary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.profile-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.profile-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: white;
    min-width: 220px;
    border: 1px solid var(--secondary);
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

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

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

.profile-dropdown-menu .dropdown-item {
    padding: 0.75rem 1.5rem;
    color: var(--almost-black);
    cursor: pointer;
    border-bottom: 1px solid var(--primary-light);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    text-decoration: none;
}

.profile-dropdown-menu .dropdown-item:last-child {
    border-bottom: none;
}

.profile-dropdown-menu .dropdown-item:hover {
    background-color: var(--primary-light);
    padding-left: 2rem;
}

.profile-dropdown-menu .dropdown-item i {
    color: var(--dark-gray);
    width: 1rem;
}

#mobileNav {
    display: none;
}

/* Hamburger Menu */
.hamburger-menu {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--almost-black);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hamburger-menu:hover {
    color: var(--dark-gray);
}

/* Mobile Search Button */
#mobileSearchBtn, .navbar-logo-mobile {
    display: none;
}

/* Mobile Search Bar */
.mobile-search-bar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: flex-start;
    justify-content: center;
    padding-top: 4rem;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.mobile-search-bar.show {
    display: flex;
}

.mobile-search-input {
    width: 90%;
    padding: 1rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: var(--font-family);
}

/* Mobile Hamburger Menu Dropdown */
.hamburger-dropdown {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background-color: white;
    /* border-bottom: 1px solid var(--secondary); */
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 999;
}

.hamburger-dropdown.show {
    max-height: 500px;
}

.hamburger-dropdown .dropdown-item {
    padding: 1rem 1.5rem;
    color: var(--almost-black);
    cursor: pointer;
    border-bottom: 1px solid var(--primary-light);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
}

.hamburger-dropdown .dropdown-item:hover {
    background-color: var(--primary-light);
    padding-left: 2.5rem;
}

.hamburger-dropdown .dropdown-divider,
.profile-dropdown-menu .dropdown-divider {
    height: 1px;
    background-color: var(--secondary);
    margin: 0.5rem 0;
}

.hamburger-dropdown .dropdown-header,
.profile-dropdown-menu .dropdown-header {
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark-gray);
    background-color: var(--primary-light);
}

.profile-dropdown-menu .dropdown-header {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.profile-dropdown-menu .dropdown-header strong {
    color: var(--almost-black);
    font-size: 0.95rem;
}

.profile-dropdown-menu .dropdown-header span {
    font-weight: 400;
    font-size: 0.8rem;
}

/* ==================== SECOND MENU (Category Navigation) ==================== */
.second-menu {
    background-color: var(--primary-light);
}

.second-menu .nav-link,
.second-menu a {
    color: var(--dark-gray) !important;
    text-decoration: none !important;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.second-menu .nav-underline .nav-link {
    border-bottom: 2px solid transparent !important;
}

.second-menu .nav-link:hover,
.second-menu a:hover {
    color: var(--almost-black) !important;
    border-bottom-color: var(--tertiary) !important;
    text-decoration: none !important;
}

.second-menu .nav-link.active,
.second-menu a.active {
    color: var(--almost-black) !important;
    border-bottom-color: var(--almost-black) !important;
    text-decoration: none !important;
}

.second-menu .nav-underline .nav-link:hover {
    border-bottom-color: var(--tertiary) !important;
}

.second-menu .nav-underline .nav-link.active {
    border-bottom-color: var(--almost-black) !important;
}

/* ==================== MOBILE SEARCH BAR STYLE ==================== */



/* ==================== HERO SECTION ==================== */
.hero-section {
    min-height: 600px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    animation: fadeInUp 0.6s ease-out;
    margin-top: 60px;
}

.hero-content {
    text-align: center;
    max-width: 700px;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--almost-black);
    margin-bottom: 1rem;
    animation: slideInDown 0.6s ease-out;
}

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

.hero-content p {
    font-size: 1.25rem;
    color: var(--dark-gray);
    margin-bottom: 2rem;
    animation: slideInUp 0.6s ease-out 0.2s both;
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideInUp 0.6s ease-out 0.4s both;
}

.btn-primary-custom {
    background-color: var(--almost-black);
    color: var(--primary-light);
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: var(--font-family);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary-custom:hover {
    background-color: var(--dark-gray);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(38, 38, 38, 0.3);
}

.btn-secondary-custom {
    background-color: transparent;
    color: var(--almost-black);
    padding: 0.75rem 2rem;
    border: 2px solid var(--almost-black);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: var(--font-family);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary-custom:hover {
    background-color: var(--almost-black);
    color: var(--primary-light);
    transform: translateY(-2px);
}

/* ==================== CATEGORIES SECTION ==================== */
.categories-section {
    padding: 4rem 2rem;
    background-color: white;
}

.top-rated-courses-section {
    padding: 4rem 2rem;
    background-color: white;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--almost-black);
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInUp 0.6s ease-out;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.category-card {
    background-color: var(--primary-light);
    border: 1px solid var(--secondary);
    border-radius: 0.75rem;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
}

.category-card:hover {
    transform: translateY(-8px);
    background-color: var(--secondary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--dark-gray);
}

.category-icon {
    font-size: 3rem;
    color: var(--dark-gray);
    transition: all 0.3s ease;
}

.category-card:hover .category-icon {
    color: var(--almost-black);
    transform: scale(1.1);
}

.category-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--almost-black);
}

.category-count {
    font-size: 0.85rem;
    color: var(--dark-gray);
}

/* ==================== COURSES ARCHIVE ==================== */
.courses-archive-section {
    padding: 4rem 2rem;
    background-color: white;
}

.archive-description {
    max-width: 800px;
    margin: 0 auto 2rem;
    text-align: center;
    color: var(--dark-gray);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.course-card {
    background-color: var(--primary-light);
    border: 1px solid var(--secondary);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    max-width: 18rem;
}

.course-card:hover {
    transform: translateY(-6px);
    border-color: var(--dark-gray);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.course-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.course-card-thumb img {
    display: block;
    width: 100%;
    height: auto;
}

.course-card-body {
    padding: 1rem 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.course-badge {
    align-self: flex-start;
    background-color: var(--secondary);
    color: var(--almost-black);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.course-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--almost-black);
}

.course-card-teacher {
    font-size: 0.9rem;
    color: var(--dark-gray);
    margin: 0;
}

.course-card-rating {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--dark-gray);
}

.course-stars {
    color: #d9a441;
    display: inline-flex;
    gap: 2px;
}

.course-students {
    color: var(--dark-gray);
}

.course-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.course-card-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--almost-black);
}

.btn-add-to-cart, .btn-enroll-now {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background-color: var(--almost-black);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(10px);
}

.course-card:hover .btn-add-to-cart, .course-card:hover .btn-enroll-now {
    opacity: 1;
    transform: translateY(0);
}

.btn-add-to-cart:hover, .btn-enroll-now:hover {
    background-color: var(--dark-gray);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.archive-pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2.5rem;
}

.archive-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid var(--secondary);
    color: var(--almost-black);
    text-decoration: none;
    transition: all 0.2s ease;
}

.archive-pagination .page-numbers.current,
.archive-pagination .page-numbers:hover {
    background-color: var(--secondary);
    border-color: var(--dark-gray);
}

.archive-empty {
    text-align: center;
    color: var(--dark-gray);
}

/* ==================== AUTH PAGES ==================== */
.auth-section {
    padding: 4rem 2rem;
    background-color: white;
}

.auth-card {
    max-width: 520px;
    margin: 0 auto;
    background-color: var(--primary-light);
    border: 1px solid var(--secondary);
    border-radius: 0.75rem;
    padding: 2.5rem;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.auth-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--almost-black);
}

.auth-label .required {
    color: #c00;
}

.auth-input {
    border: 1px solid var(--secondary);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: var(--font-family);
    background-color: white;
}

.auth-input:focus {
    outline: none;
    border-color: var(--dark-gray);
    box-shadow: 0 0 0 3px rgba(116, 109, 105, 0.2);
}

.auth-hint {
    font-size: 0.85rem;
    color: var(--dark-gray);
}

.auth-remember {
    flex-direction: row;
    align-items: center;
}

.auth-remember label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--dark-gray);
}

.auth-remember input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.auth-submit {
    margin-top: 0.5rem;
}

.auth-helper {
    text-align: center;
    color: var(--dark-gray);
}

.auth-helper a {
    color: var(--almost-black);
    text-decoration: none;
    font-weight: 600;
}

.auth-message {
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.auth-message i {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.auth-message p {
    margin: 0;
    line-height: 1.5;
}

.auth-message-error {
    background-color: #fee;
    border: 1px solid #fcc;
    color: #c00;
}

.auth-message-success {
    background-color: #efe;
    border: 1px solid #cfc;
    color: #080;
}


/* ==================== INSTRUCTOR PAGES ==================== */

.instructor-card, .admin-card {
    max-width: 520px;
    margin: 0 auto;
    background-color: var(--primary-light);
    border: 1px solid var(--secondary);
    border-radius: 0.75rem;
    padding: 2.5rem;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

/* Admin Dashboard overrides */
.auth-section .admin-card {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 2rem;
}

/* Instructor Dashboard Layout */
.instructor-dashboard-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 2.5%;
}

.instructor-dashboard-row {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: flex-start;
}

.instructor-sidebar {
    flex: 0 0 calc(20% - 1rem);
    max-width: calc(20% - 1rem);
}

.instructor-workarea {
    flex: 0 0 calc(75% - 1rem);
    max-width: calc(75% - 1rem);
}

.instructor-workarea .instructor-card {
    max-width: 100%;
}

/* Responsive Design for Instructor Dashboard */
@media (max-width: 1200px) {
    .instructor-sidebar {
        flex: 0 0 calc(25% - 1rem);
        max-width: calc(25% - 1rem);
    }
    
    .instructor-workarea {
        flex: 0 0 calc(70% - 1rem);
        max-width: calc(70% - 1rem);
    }
}

@media (max-width: 992px) {
    .instructor-sidebar {
        flex: 0 0 calc(30% - 1rem);
        max-width: calc(30% - 1rem);
    }
    
    .instructor-workarea {
        flex: 0 0 calc(65% - 1rem);
        max-width: calc(65% - 1rem);
    }
}

@media (max-width: 768px) {
    .instructor-dashboard-container {
        padding: 0 1rem;
    }
    
    .instructor-dashboard-row {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .instructor-sidebar,
    .instructor-workarea {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .instructor-dashboard-container {
        padding: 0 0.5rem;
    }
}


/* ==================== CART PAGE ==================== */
.cart-section {
    padding: 4rem 2rem;
    background-color: white;
}

.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.empty-cart h3 {
    color: var(--almost-black);
    margin: 1rem 0 0.5rem;
}

.empty-cart p {
    color: var(--dark-gray);
    margin-bottom: 2rem;
}

.cart-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.cart-items {
    display: grid;
    gap: 1.5rem;
}

.cart-item {
    background-color: var(--primary-light);
    border: 1px solid var(--secondary);
    border-radius: 0.75rem;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    position: relative;
}

.cart-item-image {
    width: 100px;
    height: 75px;
    border-radius: 0.5rem;
    overflow: hidden;
    flex-shrink: 0;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-info {
    flex: 1;
}

.cart-item-info h2 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.cart-item-info h2 a {
    color: var(--almost-black);
    text-decoration: none;
}

.cart-item-info h2 a:hover {
    color: var(--dark-gray);
}

.cart-item-info p {
    margin: 0;
    color: var(--dark-gray);
}

.cart-item-price {
    font-weight: 700;
    color: var(--almost-black);
    font-size: 1.1rem;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--dark-gray);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    font-size: 1.1rem;
}

.cart-item-remove:hover {
    background-color: #fee;
    color: #c00;
}

.cart-summary-card {
    background-color: var(--primary-light);
    border: 1px solid var(--secondary);
    border-radius: 0.75rem;
    padding: 1.5rem;
    display: grid;
    gap: 1rem;
}

.cart-summary-line,
.cart-summary-total {
    display: flex;
    justify-content: space-between;
    color: var(--dark-gray);
}

.cart-summary-total {
    font-weight: 700;
    color: var(--almost-black);
    font-size: 1.1rem;
}

/* ==================== WISHLIST PAGE ==================== */
.wishlist-section {
    padding: 4rem 2rem;
    background-color: white;
}

.wishlist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.wishlist-card {
    background-color: var(--primary-light);
    border: 1px solid var(--secondary);
    border-radius: 0.75rem;
    padding: 1.5rem;
    display: grid;
    gap: 0.75rem;
}

.wishlist-card h2 {
    font-size: 1.1rem;
    margin: 0;
}

.wishlist-card p {
    margin: 0;
    color: var(--dark-gray);
}

.wishlist-actions {
    display: grid;
    gap: 0.5rem;
}

/* ==================== CLASSROOM PAGE ==================== */
.classroom-section {
    padding: 4rem 2rem;
    background-color: white;
    min-height: calc(100vh - 300px);
}

.classroom-header {
    text-align: center;
    margin-bottom: 2rem;
}

.classroom-subtitle {
    color: var(--dark-gray);
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

.classroom-tabs {
    display: flex;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    border-bottom: 2px solid var(--secondary);
}

.classroom-tab {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    color: var(--dark-gray);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.classroom-tab:hover {
    color: var(--almost-black);
}

.classroom-tab.active {
    color: var(--almost-black);
}

.classroom-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--almost-black);
}

.classroom-content {
    max-width: 1100px;
    margin: 0 auto;
}

.classroom-tab-content {
    display: none;
}

.classroom-tab-content.active {
    display: block;
}

.classroom-empty {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.classroom-empty h3 {
    color: var(--almost-black);
    margin: 1rem 0 0.5rem;
}

.classroom-empty p {
    color: var(--dark-gray);
    margin-bottom: 2rem;
}

/* ==================== 404 ERROR PAGE ==================== */
.error-404-section {
    padding: 6rem 2rem;
    background-color: white;
    min-height: calc(100vh - 300px);
    display: flex;
    align-items: center;
}

.error-404-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.error-404-icon {
    font-size: 5rem;
    color: var(--secondary);
}

.error-404-title {
    font-size: 4rem;
    font-weight: 700;
    color: var(--almost-black);
    margin: 0;
    line-height: 1;
}

.error-404-content h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--almost-black);
    margin: 0;
}

.error-404-message {
    font-size: 1.1rem;
    color: var(--dark-gray);
    line-height: 1.6;
}

.error-404-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.error-404-actions a {
    display: inline-flex;
    text-decoration: none;
}

@media (max-width: 991px) {
    .cart-layout {
        grid-template-columns: 1fr;
    }

    .error-404-section {
        min-height: calc(100vh - 250px);
        padding: 3rem 1rem;
    }

    .error-404-icon {
        font-size: 3rem;
    }

    .error-404-title {
        font-size: 2.5rem;
    }

    .error-404-content h2 {
        font-size: 1.5rem;
    }

    .error-404-actions {
        flex-direction: column;
    }

    .error-404-actions a {
        width: 100%;
        padding: 4rem 2rem;
        background-color: white;
    }
}

.course-detail-main {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.course-badge.course-badge-lg {
    font-size: 0.8rem;
    padding: 0.35rem 0.75rem;
}

.course-detail-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--almost-black);
    margin: 0;
}

.course-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    color: var(--dark-gray);
    font-size: 0.95rem;
}

.course-detail-divider {
    color: var(--secondary);
}

.course-detail-rating {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--dark-gray);
}

.course-detail-block {
    background-color: var(--primary-light);
    border: 1px solid var(--secondary);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.course-detail-block h2 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--almost-black);
}

.course-detail-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.5rem;
    color: var(--dark-gray);
}

.course-detail-description {
    color: var(--almost-black);
    line-height: 1.7;
}

.course-detail-sidebar {
    position: sticky;
    top: 2rem;
}

.course-sidebar-card {
    background-color: var(--primary-light);
    border: 1px solid var(--secondary);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.course-sidebar-thumb img {
    width: 100%;
    height: auto;
    display: block;
}

.course-sidebar-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.course-sidebar-price {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--almost-black);
}

.course-sidebar-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.course-sidebar-btn {
    width: 100%;
    justify-content: center;
}

.course-sidebar-summary h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--almost-black);
}

.course-sidebar-summary ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.5rem;
    color: var(--dark-gray);
}

.course-learning-sidebar-card .course-sidebar-body {
    gap: 1.25rem;
}

.course-learning-sidebar-title {
    margin: 0;
    color: var(--almost-black);
    font-size: 1.1rem;
}

.course-learning-sidebar-list {
    display: grid;
    gap: 1rem;
}

.course-learning-section {
    border: 1px solid var(--secondary);
    border-radius: 0.5rem;
    background-color: white;
}

.course-learning-section-title {
    margin: 0;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--secondary);
    font-size: 0.95rem;
    color: var(--almost-black);
    background-color: white;
}

.course-learning-section-toggle {
    width: 100%;
    border: 0;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    cursor: pointer;
}

.course-learning-section-toggle i {
    transition: transform 0.2s ease;
}

.course-learning-section-toggle[aria-expanded="false"] i {
    transform: rotate(-90deg);
}

.course-learning-lectures {
    list-style: none;
    margin: 0;
    padding: 0;
}

.course-learning-lecture-btn {
    width: 100%;
    text-align: left;
    background-color: var(--primary-light);
    border: 0;
    border-bottom: 1px solid var(--secondary);
    padding: 0.75rem 1rem;
    color: var(--dark-gray);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    cursor: pointer;
}

.course-learning-lectures li:last-child .course-learning-lecture-btn {
    border-bottom: 0;
}

.course-learning-lecture-btn:hover,
.course-learning-lecture-btn.is-active {
    background-color: var(--secondary);
    color: var(--almost-black);
}

.course-learning-lecture-title-wrap {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
}

.course-learning-lecture-icons {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--dark-gray);
    flex-shrink: 0;
}

.course-learning-lecture-title-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.course-learning-lecture-btn small {
    font-size: 0.8rem;
    color: var(--dark-gray);
    white-space: nowrap;
}

.course-learning-lecture-description {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.course-learning-content-item {
    margin-bottom: 1rem;
}

.course-learning-content-item h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--almost-black);
}

.course-learning-content-file p {
    margin: 0;
}

.course-learning-content-quiz {
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--secondary);
    background-color: var(--primary-light);
}

.course-learning-content-quiz p {
    margin: 0;
}

.course-learning-content-text {
    padding: 1rem;
    border: 1px solid var(--secondary);
    border-radius: 0.5rem;
    background-color: white;
}

.course-learning-empty {
    color: var(--dark-gray);
    margin: 0;
}

@media (max-width: 991px) {
    .course-learning-section-title {
        font-size: 0.9rem;
    }

    .course-learning-lecture-btn {
        padding: 0.65rem 0.85rem;
        font-size: 0.9rem;
    }
}



/* ==================== FEATURES SECTION ==================== */
.features-section {
    padding: 4rem 2rem;
    background-color: var(--primary-light);
}

.feature-item {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 3rem;
    animation: fadeInUp 0.6s ease-out;
}

.feature-item:nth-child(even) {
    flex-direction: row-reverse;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: var(--secondary);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--dark-gray);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.feature-item:hover .feature-icon {
    background-color: var(--dark-gray);
    color: var(--primary-light);
    transform: scale(1.1);
}

.feature-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--almost-black);
    margin-bottom: 0.5rem;
}

.feature-content p {
    font-size: 1rem;
    color: var(--dark-gray);
    line-height: 1.6;
}


/* ==================== TESTIMONIALS SECTION ==================== */
.testimonials-section {
    padding: 4rem 2rem;
    background-color: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background-color: var(--primary-light);
    border: 1px solid var(--secondary);
    border-radius: 0.75rem;
    padding: 2rem;
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out;
}

.testimonial-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
    border-color: var(--dark-gray);
}

.testimonial-stars {
    color: var(--dark-gray);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.testimonial-text {
    color: var(--almost-black);
    margin-bottom: 1.5rem;
    font-style: italic;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--dark-gray), var(--tertiary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.testimonial-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--almost-black);
    margin: 0;
}

.testimonial-info p {
    font-size: 0.85rem;
    color: var(--dark-gray);
    margin: 0;
}


/* ==================== FOOTER STYLES ==================== */
footer {
    background-color: var(--almost-black);
    color: var(--primary-light);
    padding: 3rem 2rem 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-light);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--dark-gray);
    padding-top: 1.5rem;
    color: var(--secondary);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--dark-gray);
    color: var(--primary-light);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--secondary);
    color: var(--almost-black);
    transform: translateY(-3px);
}


/* ==================== LAZY LOADING ANIMATIONS ==================== */

/* Lazy Loading */
img[loading="lazy"] {
    animation: fadeIn 0.6s ease-out;
}

/* Scroll animations */
.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.fade-in-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}


/* ==================== BACK TO TOP BUTTON STYLES ==================== */

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--dark-gray);
    color: var(--primary-light);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    z-index: 900;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.back-to-top.show {
    display: flex;
}

.back-to-top:hover {
    background-color: var(--almost-black);
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}


/* ==================== RESPONSIVE DESIGN ==================== */

/* @media (max-width: 768px) {

}

@media (max-width: 576px) {

}

@media (min-width: 900px) {

} */


@media (max-width: 768px) {
    .navbar-container {
        padding: 0 1rem;
        gap: 0;
        justify-content: space-between;
    }

    /* Hide desktop elements */
    .navbar-left,
    .navbar-center,
    .navbar-right,
    .second-menu {
        display: none !important;
    }

    /* Show mobile elements */
    .hamburger-menu {
        display: block;
    }

    #mobileNav {
        display: block;
    }

    #mobileSearchBtn, .navbar-logo-mobile {
        display: block;
    }

    .navbar-logo {
        font-size: 1.25rem;
        flex: 0 0 auto;
        display: none;
    }

    .mobile-nav-right {
        display: flex !important;
        gap: 0;
        flex: 1;
        justify-content: flex-end;
        align-items: center;
    }

    .mobile-nav-right .navbar-item {
        padding: 0.5rem 0.75rem;
        flex: 1;
        justify-content: center;
    }

    .hero-section {
        min-height: 400px;
        margin-top: 50px;
        padding: 2rem 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-buttons {
        gap: 0.75rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .feature-item,
    .feature-item:nth-child(even) {
        flex-direction: column !important;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .cart-layout {
        grid-template-columns: 1fr;
    }

    .cart-item {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .cart-item-image {
        width: 80px;
        height: 60px;
    }

    .cart-item-price {
        margin-left: auto;
    }

    .btn-add-to-cart, .btn-enroll-now {
        opacity: 1;
        transform: translateY(0);
    }

    .classroom-tabs {
        flex-direction: column;
        gap: 0;
        border-bottom: none;
    }

    .classroom-tab {
        padding: 1rem;
        border-bottom: 1px solid var(--secondary);
    }

    .classroom-tab.active::after {
        display: none;
    }

    .classroom-tab.active {
        background-color: var(--primary-light);
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: 0.5rem 0;
    }

    .navbar-container {
        padding: 0 0.75rem;
    }

    .hero-section {
        min-height: 300px;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .logo-text {
        display: none;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 1rem;
        right: 1rem;
        font-size: 1.2rem;
    }
}

@media (min-width: 900px) {
    .navbar-center {
        flex: 1;
        display: flex;
        justify-content: center;
        min-width: 0;
    }

    .search-container {
        width: 100%;
        position: relative;
    }
}

/* ==================== INSTRUCTOR PAGE ACCORDION STYLES ==================== */

/* Section accordion toggle header */
.section-toggle-header {
    user-select: none;
    transition: background-color 0.2s ease;
}

.section-toggle-header:hover {
    background-color: #f5f5f5;
}

.section-toggle-icon {
    display: inline-block;
    transition: transform 0.2s ease;
}

/* Lecture accordion toggle header */
.lecture-toggle-header {
    user-select: none;
    transition: background-color 0.2s ease;
}

.lecture-toggle-header:hover {
    background-color: #dcdcdc;
}

.lecture-toggle-icon {
    display: inline-block;
    transition: transform 0.2s ease;
}

/* Smooth height transitions for accordion content */
.section-content,
.lecture-content-wrapper {
    transition: max-height 0.3s ease, padding 0.3s ease;
}

/* Remove extra padding when collapsed */
.section-content[style*="max-height: 0"],
.lecture-content-wrapper[style*="max-height: 0"] {
    padding: 0 !important;
}