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

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.15);
    --secondary: #0ea5e9;
    --secondary-hover: #0284c7;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(226, 232, 240, 0.8);
    --glass-bg: rgba(255, 255, 255, 0.45);
    --glass-border: rgba(255, 255, 255, 0.6);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Dark Mode Overrides (Optional Toggle via CSS class if needed) */
body.dark-mode {
    --light: #0f172a;
    --dark: #f8fafc;
    --gray-900: #f8fafc;
    --gray-800: #f1f5f9;
    --gray-700: #e2e8f0;
    --gray-600: #cbd5e1;
    --gray-500: #94a3b8;
    --gray-400: #64748b;
    --gray-300: #475569;
    --gray-200: #334155;
    --gray-100: #1e293b;
    --gray-50: #1e293b;
    --card-bg: rgba(30, 41, 59, 0.85);
    --card-border: rgba(51, 65, 85, 0.8);
    --glass-bg: rgba(30, 41, 59, 0.45);
    --glass-border: rgba(51, 65, 85, 0.6);
}

/* Base resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

body {
    background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, rgba(14, 165, 233, 0.05) 90.1%), var(--light);
    color: var(--gray-800);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900);
    font-weight: 700;
    line-height: 1.25;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-hover);
}

/* Layout container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation header styles */
header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

body.dark-mode header {
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid var(--gray-200);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    font-weight: 400;
    color: var(--gray-500);
    font-size: 16px;
    margin-left: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 24px;
    align-items: center;
}

.nav-links a {
    color: var(--gray-600);
    font-weight: 500;
    font-size: 15px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
    background-color: var(--primary-light);
}

.auth-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Buttons style */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(99, 102, 241, 0.4);
    color: white;
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background-color: var(--gray-200);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
    background: radial-gradient(circle at 90% 10%, rgba(14, 165, 233, 0.1) 0%, transparent 40%),
                radial-gradient(circle at 10% 90%, rgba(99, 102, 241, 0.1) 0%, transparent 40%);
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto 30px auto;
    line-height: 1.6;
}

/* Main Section */
main {
    flex: 1;
    padding: 40px 0;
}

/* Glassmorphic card design */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Forms layout */
.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}

.form-control {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--gray-200);
    background-color: var(--gray-50);
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary);
    background-color: white;
    box-shadow: 0 0 0 4px var(--primary-light);
}

/* Flash alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

/* Footer layout */
footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: 40px 0 20px 0;
    margin-top: auto;
    border-top: 1px solid var(--gray-800);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, white 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
}

.footer-links h4 {
    color: white;
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 14px;
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13px;
    color: var(--gray-500);
}

/* Ad spaces */
.ad-space {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    border: 1px dashed var(--gray-300);
    border-radius: var(--radius-md);
    text-align: center;
    padding: 20px;
    margin: 20px 0;
    position: relative;
    overflow: hidden;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.dark-mode .ad-space {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    border-color: var(--gray-700);
}

.ad-label {
    position: absolute;
    top: 5px;
    right: 10px;
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--gray-400);
    letter-spacing: 0.5px;
}

.ad-content {
    display: flex;
    align-items: center;
    gap: 15px;
    text-align: left;
    max-width: 100%;
}

.ad-image {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.ad-text h5 {
    font-size: 14px;
    margin-bottom: 2px;
}

.ad-text p {
    font-size: 12px;
    color: var(--gray-500);
}

/* Dashboards Styling */
.dashboard-grid {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 30px;
}

.sidebar-menu {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    height: fit-content;
}

.sidebar-menu h3 {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--gray-400);
    letter-spacing: 1px;
    margin-bottom: 16px;
    padding-left: 12px;
}

.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: 6px;
    list-style: none;
}

.sidebar-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-md);
    color: var(--gray-600);
    font-weight: 500;
    font-size: 14px;
}

.sidebar-links a:hover, .sidebar-links a.active {
    background-color: var(--primary-light);
    color: var(--primary);
}

/* Quizzes listings and filters */
.quiz-explorer {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
}

.filter-sidebar {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    height: fit-content;
}

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

.filter-group h4 {
    font-size: 15px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--gray-100);
    padding-bottom: 6px;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-600);
    cursor: pointer;
}

.quiz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.quiz-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.quiz-header {
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-light) 0%, rgba(14, 165, 233, 0.05) 100%);
    border-bottom: 1px solid var(--card-border);
    position: relative;
}

.quiz-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-free {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-paid {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-offer {
    background-color: #fef3c7;
    color: #92400e;
}

.quiz-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.quiz-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 12px;
}

.quiz-price-tag {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin-top: auto;
    padding-top: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.price-original {
    font-size: 13px;
    text-decoration: line-through;
    color: var(--gray-400);
    font-weight: 400;
}

/* Testimonials */
.testimonials {
    padding: 60px 0;
    text-align: center;
}

.testimonial-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.testimonial-card {
    background-color: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.testimonial-text {
    font-style: italic;
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.6;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* Dashboard Forms and Tables */
.table-container {
    width: 100%;
    overflow-x: auto;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    background-color: var(--gray-50);
    padding: 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-500);
    border-bottom: 1px solid var(--gray-200);
}

td {
    padding: 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-700);
}

tr:last-child td {
    border-bottom: none;
}

/* Modal styling */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background-color: white;
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    padding: 30px;
    box-shadow: var(--shadow-xl);
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 24px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-400);
}

.modal-close:hover {
    color: var(--gray-700);
}

/* Responsive elements */
@media(max-width: 991px) {
    .dashboard-grid, .quiz-explorer {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 36px;
    }
}

@media(max-width: 768px) {
    .header-container {
        flex-direction: column;
        height: auto;
        padding: 15px 0;
        gap: 15px;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
    .auth-buttons {
        width: 100%;
        justify-content: center;
    }
}