/* ==================== CSS Variables ==================== */
:root {
    --primary: #001445;
    --primary-side: #ffffff;
    --primary-dark:#001445;
    --primary-light: #fefefe;
    --secondary: #001445;
    --light: #f8fafc;
    --border: #e2e8f0;
    --text: #334155;
    --text-muted: #64748b;
    --white: #ffffff;
    --success: #22c55e;
    --success-light: #dcfce7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --info: #3b82f6;
    --info-light: #dbeafe;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 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);
    --radius: 5px;
    --radius-lg: 5px;
    --radius-xl: 5px;
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: 'Poppins', system-ui, -apple-system, sans-serif;
    background-color: var(--light);
    color: var(--text);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* ==================== Navbar ==================== */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: -0.5px;
}

.nav-logo i {
    font-size: 1.6rem;
}
.nav-logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius);
    color: var(--text);
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    transition: var(--transition);
}

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

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-left: 0.75rem;
    border-left: 1px solid var(--border);
    margin-left: 0.5rem;
}

.nav-username {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.btn-nav-logout {
    padding: 0.4rem 0.875rem;
    background: var(--danger-light);
    color: var(--danger);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    transition: var(--transition);
}

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

.btn-nav-primary {
    padding: 0.5rem 1.25rem;
    background: var(--primary);
    color: white;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    display: inline-block;
}

.btn-nav-primary:hover {
    background: var(--primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--secondary);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ==================== Main Content ==================== */
.main-content {
    flex: 1;
}

/* ==================== Hero Section ==================== */
.hero {
    background: linear-gradient(135deg, #E45A0E 0%, #001445 100%);
    color: white;
    padding: 6rem 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(249,115,22,0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(249,115,22,0.1) 0%, transparent 40%);
    pointer-events: none;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(249,115,22,0.2);
    border: 1px solid rgba(249,115,22,0.4);
    color: var(--primary-light);
    padding: 0.375rem 1rem;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: fadeIn 0.6s ease;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    animation: slideUp 0.6s ease 0.1s both;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.125rem;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto 2.5rem;
    animation: slideUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 0.6s ease 0.3s both;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    margin-top: 4rem;
    flex-wrap: wrap;
    animation: slideUp 0.6s ease 0.4s both;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    display: block;
}

.hero-stat-label {
    font-size: 0.875rem;
    color: #94a3b8;
}

/* ==================== Section ==================== */
.section {
    padding: 5rem 1.5rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 0.75rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

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

/* ==================== Cards Grid ==================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.75rem;
}

.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

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

.card-image {
    height: 180px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

.card-image-placeholder {
    font-size: 4rem;
    color: rgba(255,255,255,0.6);
}

.card-image-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.25rem 1.25rem 0.75rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.6));
    color: white;
    font-weight: 700;
    font-size: 1.05rem;
}

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

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.card-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    flex: 1;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.price-badge {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.35rem 0.75rem;
    border-radius: 100px;
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.375rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(249,115,22,0.4);
}

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

.btn-outline:hover:not(:disabled) {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

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

.btn-secondary:hover:not(:disabled) {
    background: #0f172a;
    border-color: #0f172a;
    color: white;
    transform: translateY(-2px);
}

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

.btn-success:hover:not(:disabled) {
    background: #16a34a;
    border-color: #16a34a;
    color: white;
    transform: translateY(-2px);
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    border-color: #dc2626;
    color: white;
    transform: translateY(-2px);
}

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

.btn-warning:hover:not(:disabled) {
    background: #d97706;
    border-color: #d97706;
    color: white;
}

.btn-sm {
    padding: 0.4rem 0.875rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

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

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

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

/* ==================== Forms ==================== */
.form-container {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    border: 1px solid var(--border);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.form-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.form-label span {
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--text);
    background: var(--white);
    transition: var(--transition);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(249,115,22,0.1);
}

.form-control::placeholder {
    color: #94a3b8;
}

.form-control.error {
    border-color: var(--danger);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.375rem;
}

.form-error {
    font-size: 0.8rem;
    color: var(--danger);
    margin-top: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* ==================== File Upload ==================== */
.file-upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--light);
    position: relative;
}

.file-upload-area:hover, .file-upload-area.dragover {
    border-color: var(--primary);
    background: rgba(249,115,22,0.05);
}

.file-upload-area input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.file-upload-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.file-upload-text {
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 0.25rem;
}

.file-upload-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.file-preview {
    margin-top: 1rem;
    display: none;
}

.file-preview img {
    max-height: 150px;
    border-radius: var(--radius);
    margin: 0 auto;
    box-shadow: var(--shadow);
}

.file-preview-name {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* ==================== Alerts ==================== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    margin: 1rem 1.5rem;
    border: 1px solid transparent;
    position: relative;
}

.alert i:first-child {
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.alert-close {
    background: none;
    border: none;
    cursor: pointer;
    margin-left: auto;
    color: inherit;
    opacity: 0.7;
    transition: var(--transition);
    padding: 0;
    line-height: 1;
}

.alert-close:hover {
    opacity: 1;
}

.alert-success {
    background: var(--success-light);
    color: #166534;
    border-color: #86efac;
}

.alert-error {
    background: var(--danger-light);
    color: #991b1b;
    border-color: #fca5a5;
}

.alert-warning {
    background: var(--warning-light);
    color: #92400e;
    border-color: #fcd34d;
}

.alert-info {
    background: var(--info-light);
    color: #1e40af;
    border-color: #93c5fd;
}

/* ==================== Badges ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-en_cours {
    background: var(--info-light);
    color: #1d4ed8;
}

.badge-terminé {
    background: var(--success-light);
    color: #15803d;
}

.badge-en_attente {
    background: var(--warning-light);
    color: #b45309;
}

.badge-approuvé {
    background: var(--success-light);
    color: #15803d;
}

.badge-refusé {
    background: var(--danger-light);
    color: #b91c1c;
}

/* ==================== Dashboard ==================== */
.dashboard-header {
    background: linear-gradient(135deg, var(--secondary) 0%, #0f172a 100%);
    color: white;
    padding: 2.5rem 1.5rem;
}

.dashboard-header-content {
    max-width: 1200px;
    margin: 0 auto;
}

.dashboard-welcome {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.dashboard-welcome span {
    color: var(--primary);
}

.dashboard-subtitle {
    color: #94a3b8;
    font-size: 0.95rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.stat-icon.orange {
    background: var(--primary-light);
    color: var(--primary);
}

.stat-icon.blue {
    background: var(--info-light);
    color: var(--info);
}

.stat-icon.green {
    background: var(--success-light);
    color: var(--success);
}

.stat-icon.yellow {
    background: var(--warning-light);
    color: var(--warning);
}

.stat-icon.red {
    background: var(--danger-light);
    color: var(--danger);
}

.stat-info .stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-info .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ==================== Tables ==================== */
.table-container {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border);
}

.table-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.table-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--secondary);
}

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

th {
    background: var(--light);
    padding: 0.875rem 1.25rem;
    text-align: left;
    font-size: 0.775rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text);
    vertical-align: middle;
}

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

tr:hover td {
    background: var(--light);
}

.table-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.table-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.table-empty i {
    font-size: 3rem;
    color: var(--border);
    margin-bottom: 1rem;
    display: block;
}

/* ==================== Admin Layout ==================== */
.admin-layout {
    display: flex;
    min-height: calc(100vh - 70px);
}

.admin-sidebar {
    width: 260px;
    background: var(--secondary);
    color: white;
    flex-shrink: 0;
    padding: 1.5rem 0;
    position: sticky;
    top: 70px;
    height: calc(100vh - 70px);
    overflow-y: auto;
}

.sidebar-section {
    padding: 0 1rem;
    margin-bottom: 1.5rem;
}

.sidebar-section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #64748b;
    font-weight: 700;
    padding: 0 0.75rem;
    margin-bottom: 0.5rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0.875rem;
    border-radius: var(--radius);
    color: #94a3b8;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 0.15rem;
}

.sidebar-link:hover, .sidebar-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--primary-side);
}

.sidebar-link i {
    width: 20px;
    text-align: center;
}

.admin-main {
    flex: 1;
    padding: 2rem;
    overflow: hidden;
}

/* ==================== Page Header ==================== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header-left h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 0.25rem;
}

.page-header-left p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==================== Search Bar ==================== */
.search-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-input-wrapper i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-input-wrapper input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    transition: var(--transition);
}

.search-input-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(249,115,22,0.1);
}

/* ==================== Formation Detail ==================== */
.formation-detail {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.formation-detail-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: 3rem 2.5rem;
    color: white;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.formation-detail-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.formation-detail-header h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    position: relative;
}

.formation-detail-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.formation-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.formation-detail-body {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 1.5rem;
}

.formation-content-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.formation-content-card h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary);
}

.formation-sidebar-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    height: fit-content;
}

.formation-sidebar-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.whatsapp-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: #25d366;
    color: white;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
    width: 100%;
    justify-content: center;
    margin-bottom: 1rem;
}

.whatsapp-btn:hover {
    background: #128c7e;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37,211,102,0.4);
}

/* ==================== Quick Links ==================== */
.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.quick-link-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.quick-link-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.quick-link-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.quick-link-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.25rem;
}

.quick-link-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==================== How It Works ==================== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    position: relative;
}

.step-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.step-number {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 800;
    margin: 0 auto 1.25rem;
}

.step-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.step-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.step-card p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ==================== Login/Register Page ==================== */
.auth-page {
    min-height: calc(100vh - 70px - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, var(--light) 0%, #fff7ed 100%);
}

.auth-container {
    width: 100%;
    max-width: 460px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo-icon {
    width: 72px;
    height: 72px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1rem;
    box-shadow: 0 8px 24px rgba(249,115,22,0.35);
}

.auth-hint {
    background: var(--info-light);
    border: 1px solid #93c5fd;
    border-radius: var(--radius);
    padding: 0.875rem 1rem;
    font-size: 0.825rem;
    color: #1e40af;
    margin-bottom: 1.5rem;
}

.auth-divider {
    text-align: center;
    margin: 1.5rem 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border);
}

.auth-divider span {
    background: var(--white);
    padding: 0 0.75rem;
    position: relative;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ==================== Progress Bar ==================== */
.progress-bar {
    background: var(--border);
    border-radius: 100px;
    height: 8px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 100px;
    transition: width 1s ease;
}

/* ==================== Filter Tabs ==================== */
.filter-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid var(--border);
    background: var(--white);
    color: var(--text-muted);
    transition: var(--transition);
}

.filter-tab:hover, .filter-tab.active {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

/* ==================== Empty State ==================== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 4rem;
    color: var(--border);
    margin-bottom: 1.5rem;
    display: block;
}

.empty-state h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

/* ==================== Breadcrumb ==================== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb i {
    font-size: 0.75rem;
}

/* ==================== Certificate Card ==================== */
.cert-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    transition: var(--transition);
    margin-bottom: 1rem;
}

.cert-card:hover {
    box-shadow: var(--shadow-lg);
}

.cert-icon {
    width: 52px;
    height: 52px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.cert-info {
    flex: 1;
}

.cert-title {
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.25rem;
}

.cert-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.cert-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ==================== Admin Note ==================== */
.admin-note {
    background: var(--warning-light);
    border: 1px solid #fcd34d;
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: #92400e;
    margin-top: 0.75rem;
}

/* ==================== Footer ==================== */
.footer {
    background: var(--secondary);
    color: #94a3b8;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1.5rem 2rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 0.75rem;
}
.footer-logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.7;
    color: #64748b;
}

.footer-links h4, .footer-contact h4 {
    color: white;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

.footer-links a {
    color: #64748b;
    font-size: 0.875rem;
    transition: var(--transition);
}

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

.footer-contact p {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #64748b;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding: 1.25rem 1.5rem;
    text-align: center;
    font-size: 0.825rem;
    color: #475569;
}

/* ==================== Utilities ==================== */
.page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.font-bold { font-weight: 700; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }
.hidden { display: none; }

/* ==================== Animations ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.fade-in {
    animation: fadeIn 0.4s ease;
}

.slide-up {
    animation: slideUp 0.4s ease;
}

/* ==================== Responsive Design ==================== */
@media (max-width: 1024px) {
    .admin-layout {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        height: auto;
        position: static;
        padding: 1rem 0;
    }

    .sidebar-section {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25rem;
        padding: 0 0.75rem;
    }

    .sidebar-section-title {
        width: 100%;
    }

    .formation-detail-body {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
        align-items: stretch;
        gap: 0.25rem;
    }

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

    .nav-link {
        padding: 0.75rem 1rem;
    }

    .nav-user {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 0;
        border-left: none;
        border-top: 1px solid var(--border);
        padding-top: 0.75rem;
        margin-top: 0.5rem;
    }

    .btn-nav-primary {
        width: 100%;
        text-align: center;
        padding: 0.75rem;
    }

    .hero {
        padding: 4rem 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .table-container {
        overflow-x: auto;
    }

    table {
        min-width: 600px;
    }

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

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .formation-detail-header {
        padding: 2rem 1.5rem;
    }

    .auth-container {
        padding: 0 0.5rem;
    }
}

/* ==================== Certificate Preview ==================== */
.cert-preview-wrap {
    margin-bottom: 2rem;
}
.cert-preview-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.625rem;
}
.cert-preview-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #f1f5f9;
}
.cert-preview-img {
    display: block;
    width: 100%;
    height: auto;
    filter: blur(4px);
    opacity: 0.65;
    transform: scale(1.03);
    pointer-events: none;
    user-select: none;
}
.cert-preview-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 20, 69, 0.18);
}
.cert-preview-overlay span {
    background: rgba(0, 20, 69, 0.82);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.6rem 1.4rem;
    border-radius: 100px;
    letter-spacing: 0.03em;
    backdrop-filter: blur(2px);
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}