/* VideoList - Ultra Modern Design */

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

:root {
    /* Vibrant & Cheerful Palette */
    --primary: #FF6B6B;
    --primary-dark: #EE5A52;
    --primary-light: #FF8E8E;
    --secondary: #4ECDC4;
    --secondary-light: #6ED9D1;

    --accent-purple: #A78BFA;
    --accent-orange: #FFA94D;
    --accent-pink: #FF6EC7;
    --accent-blue: #4FC3F7;
    --accent-green: #69DB7C;

    /* Neutrals - Bright & Clean */
    --cream-100: #FFFFFE;
    --cream-200: #FFF8F0;
    --cream-300: #FFE4D6;
    --cream-400: #FFD4B8;
    --cream-500: #FFBB96;

    --gray-900: #2B2D42;
    --gray-800: #3D405B;
    --gray-700: #5A5E7D;
    --gray-600: #81859F;
    --gray-500: #9B9FB3;
    --gray-400: #B5B9CC;
    --gray-300: #D0D3E0;

    /* Status Colors - Vivid */
    --success: #69DB7C;
    --warning: #FFD43B;
    --error: #FF6B6B;
    --info: #4FC3F7;

    /* Shadows & Effects */
    --shadow-sm: 0 1px 3px 0 rgba(255, 107, 107, 0.1);
    --shadow: 0 4px 6px -1px rgba(255, 107, 107, 0.15), 0 2px 4px -1px rgba(78, 205, 196, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(255, 107, 107, 0.2), 0 4px 6px -2px rgba(78, 205, 196, 0.15);
    --shadow-lg: 0 20px 25px -5px rgba(255, 107, 107, 0.25), 0 10px 10px -5px rgba(78, 205, 196, 0.15);
    --shadow-xl: 0 25px 50px -12px rgba(255, 107, 107, 0.3);

    --blur: blur(20px);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #FFF8F0 0%, #FFE4D6 50%, #FFD4F4 100%);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }

/* Modern Header */
header {
    background: rgba(253, 251, 247, 0.8);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-bottom: 1px solid var(--cream-400);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
}

.logo a {
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
}

.logo a:hover {
    opacity: 0.8;
    transform: translateY(-1px);
}

/* Logo image sizing */
.logo img {
    height: 40px;
    width: auto;
    display: block;
}

/* Accessibility helper for hidden text (screen readers only) */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

nav a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

nav a:hover::after {
    width: 100%;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 3rem auto;
    padding: 0 2rem;
}

/* Modern Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border: none;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-orange) 100%);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--accent-blue) 100%);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--secondary) 100%);
    transform: translateY(-2px);
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: 8px;
}

.btn-block {
    width: 100%;
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FFE4F5 0%, #FFE4D6 50%, #D4F4FF 100%);
    padding: 2rem;
    position: relative;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 107, 107, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(78, 205, 196, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 20%, rgba(167, 139, 250, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.auth-container {
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 1;
}

.auth-card {
    background: var(--cream-100);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--cream-400);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

.auth-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-header p {
    color: var(--gray-600);
    font-size: 1rem;
    font-weight: 500;
}

.auth-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--gray-600);
}

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

.auth-footer a:hover {
    color: var(--primary-dark);
}

/* Modern Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.9rem;
    letter-spacing: -0.01em;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1.125rem;
    border: 2px solid var(--cream-400);
    border-radius: 12px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    background: white;
    color: var(--gray-800);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(212, 165, 116, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    color: var(--gray-500);
    font-size: 0.85rem;
}

.form-card {
    background: var(--cream-100);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--cream-400);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    border-left: 4px solid;
}

.alert-error {
    background: rgba(201, 123, 111, 0.1);
    color: var(--error);
    border-color: var(--error);
}

.alert-success {
    background: rgba(143, 168, 130, 0.1);
    color: var(--success);
    border-color: var(--success);
}

.alert-warning {
    background: rgba(212, 165, 116, 0.1);
    color: var(--warning);
    border-color: var(--warning);
}

.alert-info {
    background: rgba(136, 164, 184, 0.1);
    color: var(--info);
    border-color: var(--info);
}

/* Modern Cards */
.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 2px solid var(--cream-300);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition);
}

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

.stat-card:nth-child(1) {
    border-left: 4px solid var(--primary);
}

.stat-card:nth-child(2) {
    border-left: 4px solid var(--accent-orange);
}

.stat-card:nth-child(3) {
    border-left: 4px solid var(--secondary);
}

.stat-card:nth-child(4) {
    border-left: 4px solid var(--accent-purple);
}

.stat-card:nth-child(5) {
    border-left: 4px solid var(--accent-green);
}

.stat-card:nth-child(6) {
    border-left: 4px solid var(--accent-blue);
}

.stat-icon {
    font-size: 2.5rem;
    filter: grayscale(0.2);
}

.stat-info h3 {
    font-family: 'Inter', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: var(--gray-600);
    font-size: 0.9rem;
    font-weight: 500;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.admin-section {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--cream-400);
    margin-bottom: 2rem;
}

.admin-section h2 {
    margin-bottom: 2rem;
    font-size: 1.75rem;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th {
    background: var(--cream-200);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--cream-400);
}

.admin-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--cream-300);
}

.admin-table tr:hover {
    background: var(--cream-100);
}

/* Notifications */
.notifications-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.notification-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    background: var(--cream-100);
    border-radius: 12px;
    border-left: 4px solid var(--info);
}

.notification-type {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--info);
    color: white;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Campaign Cards */
.campaigns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.campaign-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--cream-400);
    transition: var(--transition);
}

.campaign-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.campaign-card a {
    text-decoration: none;
    color: inherit;
}

.campaign-card-header {
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-orange) 100%);
    color: white;
}

.campaign-card-header h3 {
    color: white;
}

.campaign-card:nth-child(2n) .campaign-card-header {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--accent-blue) 100%);
}

.campaign-card:nth-child(3n) .campaign-card-header {
    background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-pink) 100%);
}

.campaign-card:nth-child(4n) .campaign-card-header {
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--secondary) 100%);
}

.campaign-card-body {
    padding: 2rem;
}

/* Video Cards */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.video-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--cream-400);
    transition: var(--transition);
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.video-card a {
    text-decoration: none;
    color: inherit;
}

.video-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.video-info {
    padding: 1.5rem;
}

.video-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.video-meta {
    color: var(--gray-500);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: 4rem;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, white 0%, var(--cream-300) 50%, #FFE4F5 100%);
    border-radius: 24px;
    border: 2px solid var(--primary-light);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle, rgba(255, 107, 107, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(78, 205, 196, 0.08) 0%, transparent 50%);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
}

.page-header p {
    color: var(--gray-600);
    font-size: 1.15rem;
    font-weight: 500;
    position: relative;
}

/* Campaign Hero */
.campaign-hero {
    padding: 4rem 0;
    margin-bottom: 3rem;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.campaign-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.campaign-description {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.campaign-meta {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 2rem;
    font-weight: 500;
}

.campaign-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Tematicas */
.tematica-section {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--cream-400);
}

.tematica-header {
    margin-bottom: 2rem;
}

.tematica-actions {
    margin-top: 1rem;
}

.no-videos {
    color: var(--gray-500);
    font-style: italic;
    text-align: center;
    padding: 2rem;
}

/* Video Container */
.video-container {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--cream-400);
    margin-bottom: 2rem;
}

.video-player {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    background: var(--gray-900);
}

.video-player iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-details {
    padding: 2.5rem;
}

.video-details h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.video-description {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--cream-300);
    color: var(--gray-700);
}

/* Comments */
.comments-section {
    background: white;
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--cream-400);
}

.comments-section h2 {
    margin-bottom: 2rem;
}

.comment-form {
    margin: 1.5rem 0 2rem;
}

.comment-form textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--cream-400);
    border-radius: 12px;
    resize: vertical;
    margin-bottom: 1rem;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

.comment-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(212, 165, 116, 0.1);
}

.comments-list {
    margin-top: 2rem;
}

.comment-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--cream-300);
}

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

.comment-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.comment-header strong {
    color: var(--gray-800);
    font-weight: 600;
}

.comment-date {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.comment-body p {
    color: var(--gray-700);
    line-height: 1.7;
}

.no-comments {
    text-align: center;
    color: var(--gray-500);
    padding: 2rem;
    font-style: italic;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: 24px;
    border: 2px dashed var(--cream-400);
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--gray-700);
}

.empty-state p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

/* Admin Actions */
.admin-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* Footer */
footer {
    background: var(--gray-900);
    color: var(--cream-300);
    text-align: center;
    padding: 3rem 2rem;
    margin-top: 6rem;
}

/* Breadcrumb */
.breadcrumb {
    margin-bottom: 2rem;
    color: var(--gray-500);
    font-size: 0.9rem;
    font-weight: 500;
}

.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* User Cards (Admin) */
.user-card {
    transition: var(--transition);
}

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

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }

    .header-container {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }

    .campaigns-grid,
    .videos-grid {
        grid-template-columns: 1fr;
    }

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

    .page-header {
        padding: 2rem 1.5rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

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

    .auth-card {
        padding: 2rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .campaign-actions {
        flex-direction: column;
    }
}