/**
 * PosTube.fr - Styles principaux
 * Design inspiré de YouTube
 */

/* ===========================================
   VARIABLES CSS
   =========================================== */
:root {
    /* Couleurs YouTube */
    --yt-red: #FF0000;
    --yt-red-hover: #CC0000;
    --yt-red-light: #FF4444;
    --yt-black: #0F0F0F;
    --yt-dark: #181818;
    --yt-dark-gray: #212121;
    --yt-gray: #606060;
    --yt-light-gray: #AAAAAA;
    --yt-border: #303030;
    --yt-white: #FFFFFF;
    --yt-off-white: #F9F9F9;

    /* Couleurs fonctionnelles */
    --success: #2ECC71;
    --success-dark: #27AE60;
    --warning: #F39C12;
    --warning-dark: #E67E22;
    --error: #E74C3C;
    --error-dark: #C0392B;
    --info: #3498DB;
    --info-dark: #2980B9;

    /* Gradients */
    --gradient-red: linear-gradient(135deg, #FF0000 0%, #FF4444 100%);
    --gradient-dark: linear-gradient(180deg, #181818 0%, #0F0F0F 100%);

    /* Typographie */
    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Bordures */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Ombres */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-navbar: 1000;
    --z-modal: 1100;
    --z-toast: 1200;
}

/* ===========================================
   RESET & BASE
   =========================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--yt-black);
    background-color: var(--yt-off-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

a {
    color: var(--yt-red);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--yt-red-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--yt-red);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: var(--z-toast);
}

.skip-link:focus {
    top: 0;
}

/* ===========================================
   UTILITAIRES
   =========================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.text-red { color: var(--yt-red); }
.text-gray { color: var(--yt-gray); }
.text-light { color: var(--yt-light-gray); }
.text-white { color: var(--yt-white); }
.text-center { text-align: center; }
.text-right { text-align: right; }

.bg-dark { background-color: var(--yt-dark); }
.bg-black { background-color: var(--yt-black); }
.bg-white { background-color: var(--yt-white); }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* ===========================================
   BOUTONS
   =========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--yt-red);
    color: var(--yt-white);
}

.btn-primary:hover {
    background: var(--yt-red-hover);
    color: var(--yt-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--yt-dark-gray);
    color: var(--yt-white);
}

.btn-secondary:hover {
    background: var(--yt-gray);
    color: var(--yt-white);
}

.btn-ghost {
    background: transparent;
    color: var(--yt-black);
    border-color: var(--yt-border);
}

.btn-ghost:hover {
    background: var(--yt-off-white);
    border-color: var(--yt-gray);
    color: var(--yt-black);
}

.btn-outline {
    background: transparent;
    color: var(--yt-red);
    border-color: var(--yt-red);
}

.btn-outline:hover {
    background: var(--yt-red);
    color: var(--yt-white);
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: var(--font-size-xs);
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ===========================================
   NAVBAR
   =========================================== */
.navbar {
    background: var(--yt-white);
    border-bottom: 1px solid #E5E5E5;
    position: sticky;
    top: 0;
    z-index: var(--z-navbar);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: var(--spacing-xl);
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--yt-black);
    font-size: var(--font-size-xl);
    font-weight: 700;
    flex-shrink: 0;
    margin-right: var(--spacing-md);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--yt-red);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
}

.logo-img {
    height: 48px;
    width: auto;
}

.logo-text {
    letter-spacing: -0.5px;
}

.navbar-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    gap: var(--spacing-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--yt-gray);
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    background: var(--yt-off-white);
    color: var(--yt-black);
}

.nav-link.active {
    background: var(--yt-black);
    color: var(--yt-white);
}

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

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Language selector */
.lang-selector {
    position: relative;
}

.lang-toggle {
    display: inline-block;
    padding: 0;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--yt-gray);
    background: transparent;
    border: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    font-family: inherit;
}

.lang-toggle-inner {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 5px 16px;
    background: transparent;
    border: 1px solid var(--yt-border);
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.lang-toggle:hover .lang-toggle-inner {
    background: var(--yt-off-white);
    border-color: var(--yt-gray);
}

.lang-flag-img {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: 0 0 1px rgba(0,0,0,0.2);
}

.lang-toggle-inner .lang-code {
    font-weight: 600;
}

.lang-toggle-inner .lang-arrow {
    font-size: 10px;
    color: var(--yt-gray);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.lang-selector.active .lang-arrow {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 160px;
    background: var(--yt-white);
    border: 1px solid var(--yt-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
    overflow: hidden;
}

.lang-selector.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--yt-black);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.lang-option:hover {
    background: var(--yt-off-white);
}

.lang-option.lang-active {
    background: rgba(255, 0, 0, 0.05);
    color: var(--yt-red);
}

.lang-option .lang-flag-img {
    width: 22px;
    height: 16px;
}

.lang-option .lang-name {
    flex: 1;
    font-size: var(--font-size-sm);
}

.lang-option .lang-check {
    font-size: 12px;
    color: var(--yt-red);
}

/* Cacher le sélecteur mobile sur desktop */
.mobile-lang-selector {
    display: none;
}

/* User menu */
.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
    padding-right: var(--spacing-sm);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

.user-menu-toggle:hover {
    background: var(--yt-off-white);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.user-avatar-placeholder {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--yt-red);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.user-name {
    font-weight: 500;
    color: var(--yt-black);
}

.user-credits-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    color: #92400E;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 1px solid #F59E0B;
}

.user-credits-badge i {
    font-size: 0.7rem;
    color: #D97706;
}

/* Admin Notifications */
.admin-notif-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    color: var(--yt-gray);
    font-size: 0.8rem;
    margin-left: 0.5rem;
}

.admin-notif-btn:hover {
    color: var(--yt-black);
    background: var(--yt-off-white);
}

.admin-notif-wrapper {
    position: relative;
    display: inline-block;
}

.admin-notif-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    width: 320px;
    max-height: 400px;
    overflow-y: auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    border: 1px solid #ddd;
    z-index: 9999;
}

.admin-notif-dropdown.open {
    display: block;
}

.admin-notif-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.8rem;
    border-bottom: 1px solid #eee;
    text-decoration: none;
    color: #333;
    font-size: 0.8rem;
}

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

.admin-notif-item:hover {
    background: #f5f5f5;
}

.admin-notif-empty {
    padding: 1rem;
    text-align: center;
    color: #888;
    font-size: 0.85rem;
}

.admin-notif-item.notif-new {
    background: #fffbeb;
    font-weight: 500;
}

.admin-notif-item.notif-seen {
    opacity: 0.6;
}

/* Bouton notification avec notifications */
.admin-notif-btn.has-notifications {
    color: var(--yt-red);
    font-size: 1.1rem;
    position: relative;
}

.admin-notif-btn.has-notifications:hover {
    color: #cc0000;
    background: rgba(255, 0, 0, 0.1);
}

.admin-notif-btn.has-notifications .fa-bell {
    animation: bell-shake 0.5s ease-in-out;
}

@keyframes bell-shake {
    0%, 100% { transform: rotate(0); }
    25% { transform: rotate(15deg); }
    50% { transform: rotate(-15deg); }
    75% { transform: rotate(10deg); }
}

.notif-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--yt-red);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.user-menu-toggle i {
    font-size: 12px;
    color: var(--yt-gray);
    transition: transform var(--transition-fast);
}

.user-menu.open .user-menu-toggle i {
    transform: rotate(180deg);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 280px;
    background: var(--yt-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid #E5E5E5;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

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

.dropdown-header {
    padding: var(--spacing-md);
}

.dropdown-email {
    display: block;
    font-weight: 500;
    color: var(--yt-black);
    margin-bottom: var(--spacing-xs);
}

.dropdown-credits {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--yt-gray);
}

.dropdown-credits i {
    color: var(--warning);
}

.dropdown-divider {
    height: 1px;
    background: #E5E5E5;
    margin: var(--spacing-xs) 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--yt-black);
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--yt-off-white);
}

.dropdown-item i {
    width: 20px;
    text-align: center;
    color: var(--yt-gray);
}

.dropdown-item-admin {
    color: var(--info);
}

.dropdown-item-admin i {
    color: var(--info);
}

.dropdown-item-logout {
    color: var(--error);
}

.dropdown-item-logout i {
    color: var(--error);
}

/* Mobile nav toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.toggle-bar {
    width: 24px;
    height: 2px;
    background: var(--yt-black);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Mobile nav */
.mobile-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--yt-white);
    z-index: var(--z-navbar);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.mobile-nav.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--yt-black);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: var(--yt-off-white);
}

.mobile-nav-link i {
    width: 24px;
    text-align: center;
    color: var(--yt-gray);
}

.mobile-nav-link-primary {
    background: var(--yt-red);
    color: white;
}

.mobile-nav-link-primary:hover {
    background: var(--yt-red-hover);
    color: white;
}

.mobile-nav-link-primary i {
    color: white;
}

.mobile-nav-divider {
    height: 1px;
    background: #E5E5E5;
    margin: var(--spacing-sm) 0;
}

/* ===========================================
   FORMULAIRES
   =========================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--yt-black);
}

.form-label.required::after {
    content: ' *';
    color: var(--yt-red);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    color: var(--yt-black);
    background: var(--yt-white);
    border: 2px solid #E5E5E5;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--yt-red);
    box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--yt-light-gray);
}

.form-input.error,
.form-textarea.error {
    border-color: var(--error);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--error);
}

.form-hint {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--yt-gray);
}

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

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--yt-red);
}

/* ===========================================
   CARDS
   =========================================== */
.card {
    background: var(--yt-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.card-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--yt-black);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--yt-gray);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.card-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--yt-red);
}

.card-price-old {
    font-size: var(--font-size-sm);
    color: var(--yt-light-gray);
    text-decoration: line-through;
    margin-left: var(--spacing-sm);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid #E5E5E5;
    background: var(--yt-off-white);
}

/* ===========================================
   BADGES
   =========================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-red {
    background: var(--yt-red);
    color: white;
}

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

.badge-yellow {
    background: var(--warning);
    color: white;
}

.badge-gray {
    background: var(--yt-gray);
    color: white;
}

.badge-outline {
    background: transparent;
    border: 1px solid currentColor;
}

/* ===========================================
   FLASH MESSAGES
   =========================================== */
.flash-container {
    position: fixed;
    top: 80px;
    right: var(--spacing-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.flash-message {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--yt-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid;
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.flash-success { border-color: var(--success); }
.flash-error { border-color: var(--error); }
.flash-warning { border-color: var(--warning); }
.flash-info { border-color: var(--info); }

.flash-message svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.flash-success svg { color: var(--success); }
.flash-error svg { color: var(--error); }
.flash-warning svg { color: var(--warning); }
.flash-info svg { color: var(--info); }

.flash-close {
    margin-left: auto;
    padding: var(--spacing-xs);
    color: var(--yt-gray);
    transition: color var(--transition-fast);
}

.flash-close:hover {
    color: var(--yt-black);
}

/* ===========================================
   HERO SECTION
   =========================================== */
.hero {
    background: var(--gradient-dark);
    color: var(--yt-white);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%23FF0000" opacity="0.1"/></svg>');
    background-size: 50px 50px;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-title span {
    color: var(--yt-red);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--yt-light-gray);
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===========================================
   SECTIONS
   =========================================== */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--yt-black);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--yt-gray);
}

/* Grid */
.grid {
    display: grid;
    gap: var(--spacing-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===========================================
   PRODUCT CARD
   =========================================== */
.product-card {
    background: var(--yt-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.product-card-img {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.product-card:hover .product-card-img img {
    transform: scale(1.05);
}

.product-card-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
}

.product-card-body {
    padding: var(--spacing-lg);
}

.product-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--yt-black);
    margin-bottom: var(--spacing-sm);
}

.product-card-desc {
    font-size: var(--font-size-sm);
    color: var(--yt-gray);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.product-card-pricing {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.product-card-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--yt-red);
}

.product-card-credits {
    font-size: 0.75rem;
    color: #B45309;
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    width: fit-content;
}

.product-card-credits i {
    color: #D97706;
    font-size: 0.7rem;
}

/* ===========================================
   RATING STARS
   =========================================== */
.rating-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

.rating-stars svg {
    width: 16px;
    height: 16px;
}

.star-filled {
    color: var(--warning);
    fill: var(--warning);
}

.star-half {
    color: var(--warning);
}

.star-empty {
    color: var(--yt-light-gray);
}

.rating-number {
    margin-left: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--yt-gray);
}

/* ===========================================
   CREDIT PACKS
   =========================================== */
.credit-pack {
    background: var(--yt-white);
    border: 2px solid #E5E5E5;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
}

.credit-pack:hover {
    border-color: var(--yt-red);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.credit-pack.popular {
    border-color: var(--yt-red);
    box-shadow: 0 0 0 2px var(--yt-red);
}

.credit-pack-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--yt-red);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.credit-pack-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--yt-black);
    margin-bottom: var(--spacing-sm);
}

.credit-pack-credits {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: var(--yt-red);
    margin-bottom: var(--spacing-xs);
}

.credit-pack-bonus {
    font-size: var(--font-size-sm);
    color: var(--success);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.credit-pack-price {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--yt-black);
    margin-bottom: var(--spacing-lg);
}

/* ===========================================
   FOOTER
   =========================================== */
.footer {
    background: var(--yt-black);
    color: var(--yt-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.footer-logo .logo-icon {
    width: 32px;
    height: 32px;
}

.footer-logo .logo-img {
    height: 44px;
    width: auto;
}

.footer-about {
    color: var(--yt-light-gray);
    font-size: var(--font-size-sm);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--yt-dark-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--yt-white);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--yt-red);
    color: var(--yt-white);
    transform: translateY(-3px);
}

/* Liste des réseaux sociaux avec texte */
.footer-social-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-link-item {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--yt-light-gray);
    font-size: var(--font-size-sm);
    padding: 0.5rem 0;
    transition: all var(--transition-fast);
}

.social-link-item:hover {
    color: var(--yt-white);
    transform: translateX(5px);
}

.social-link-item i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.social-link-item span {
    font-weight: 500;
}

.footer-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--yt-white);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--yt-light-gray);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--yt-white);
}

.footer-newsletter-text {
    color: var(--yt-light-gray);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
}

.newsletter-input-group {
    display: flex;
    width: 100%;
}

.newsletter-input-group input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    background: var(--yt-dark-gray);
    color: var(--yt-white);
}

.newsletter-input-group input::placeholder {
    color: var(--yt-gray);
}

.newsletter-input-group button {
    padding: 0.75rem 1rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--yt-dark-gray);
}

.footer-copyright {
    color: var(--yt-gray);
    font-size: var(--font-size-sm);
}

.footer-payment {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--yt-gray);
    font-size: var(--font-size-sm);
}

.footer-payment i {
    font-size: 24px;
}

/* ===========================================
   AUTH PAGES
   =========================================== */
.auth-page {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--yt-off-white) 0%, #E5E5E5 100%);
}

.auth-container {
    width: 100%;
    max-width: 420px;
    background: var(--yt-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--yt-black);
}

.auth-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--yt-black);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    color: var(--yt-gray);
    font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #E5E5E5;
}

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: 0.75rem;
    background: var(--yt-white);
    border: 2px solid #E5E5E5;
    border-radius: var(--radius-md);
    color: var(--yt-black);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-google:hover {
    background: var(--yt-off-white);
    border-color: var(--yt-gray);
}

.btn-google img {
    width: 20px;
    height: 20px;
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid #E5E5E5;
    font-size: var(--font-size-sm);
    color: var(--yt-gray);
}

.auth-footer a {
    color: var(--yt-red);
    font-weight: 500;
}

/* ===========================================
   PAGINATION
   =========================================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.pagination-page,
.pagination-prev,
.pagination-next {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--yt-black);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.pagination-page:hover,
.pagination-prev:hover,
.pagination-next:hover {
    background: var(--yt-off-white);
}

.pagination-page.active {
    background: var(--yt-red);
    color: white;
}

/* ===========================================
   404 PAGE
   =========================================== */
.page-404 {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl);
}

.page-404-content {
    max-width: 500px;
}

.page-404-code {
    font-size: 120px;
    font-weight: 900;
    color: var(--yt-red);
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.page-404-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--yt-black);
    margin-bottom: var(--spacing-md);
}

.page-404-text {
    color: var(--yt-gray);
    margin-bottom: var(--spacing-xl);
}

/* ===========================================
   LOADING SPINNER
   =========================================== */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--yt-off-white);
    border-top-color: var(--yt-red);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}