/* ============================================================
   IPNETP - Gestion des Stages
   Palette: Vert foncé (officiel) + Orange accent
   ============================================================ */

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

:root {
    --primary: #1B5E20;
    --primary-dark: #0D3B13;
    --primary-light: #2E7D32;
    --primary-50: #E8F5E9;
    --primary-100: #C8E6C9;
    --accent: #E65100;
    --accent-light: #FF6D00;
    --accent-50: #FFF3E0;
    --bg: #F5F6F8;
    --surface: #FFFFFF;
    --surface-raised: #FFFFFF;
    --text: #1A1A2E;
    --text-secondary: #5A5A7A;
    --text-muted: #8E8EA0;
    --border: #E2E4E9;
    --border-light: #F0F1F4;
    --danger: #C62828;
    --danger-light: #FFEBEE;
    --success: #2E7D32;
    --success-light: #E8F5E9;
    --warning: #F57F17;
    --warning-light: #FFF8E1;
    --info: #1565C0;
    --info-light: #E3F2FD;
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { font-size: 15px; scroll-behavior: smooth; }

body {
    font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
}

.login-wrapper::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(ellipse at 30% 20%, rgba(255,255,255,0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(255,255,255,0.05) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(20px, -30px) rotate(2deg); }
    66% { transform: translate(-15px, 15px) rotate(-1deg); }
}

.login-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 3rem 2.5rem;
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s ease-out;
}

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

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

.login-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.2rem;
}

.login-logos img {
    height: 60px;
    object-fit: contain;
}

.login-header h1 {
    font-family: 'DM Serif Display', serif;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 0.3rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-subtitle {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 0.6rem 1rem;
    background: var(--primary-50);
    border-radius: var(--radius);
    border-left: 3px solid var(--primary);
}

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text);
    margin-bottom: 0.4rem;
    letter-spacing: 0.02em;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-family: inherit;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27, 94, 32, 0.12);
}

.form-control::placeholder {
    color: var(--text-muted);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%235A5A7A' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

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

.btn-accent {
    background: var(--accent);
    color: #fff;
}

.btn-accent:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background: var(--primary-50);
}

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

.btn-danger:hover {
    background: #B71C1C;
}

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

.btn-success:hover {
    background: #1B5E20;
}

.btn-sm {
    padding: 0.45rem 0.9rem;
    font-size: 0.82rem;
}

.btn-lg {
    padding: 0.9rem 2rem;
    font-size: 1rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ============================================================
   LAYOUT - DASHBOARD
   ============================================================ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--primary-dark);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.sidebar-header img {
    height: 40px;
    border-radius: 8px;
}

.sidebar-header h2 {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.2;
}

.sidebar-header span {
    font-size: 0.72rem;
    opacity: 0.7;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-section-title {
    padding: 0.8rem 1.5rem 0.4rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.5;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem 1.5rem;
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}

.nav-item.active {
    background: rgba(255,255,255,0.12);
    color: #fff;
    border-left-color: var(--accent-light);
}

.nav-item .icon {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.8rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.user-info .name {
    font-size: 0.82rem;
    font-weight: 600;
}

.user-info .role {
    font-size: 0.7rem;
    opacity: 0.6;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

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

.page-header h1 {
    font-family: 'DM Serif Display', serif;
    font-size: 1.8rem;
    color: var(--text);
    margin-bottom: 0.3rem;
}

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

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: var(--transition);
}

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

.card-header {
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 700;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-light);
    background: var(--bg);
}

/* ============================================================
   STAT CARDS
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.stat-card.green::before { background: var(--primary); }
.stat-card.orange::before { background: var(--accent); }
.stat-card.blue::before { background: var(--info); }
.stat-card.red::before { background: var(--danger); }

.stat-card .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.stat-card.green .stat-icon { background: var(--success-light); color: var(--success); }
.stat-card.orange .stat-icon { background: var(--accent-50); color: var(--accent); }
.stat-card.blue .stat-icon { background: var(--info-light); color: var(--info); }
.stat-card.red .stat-icon { background: var(--danger-light); color: var(--danger); }

.stat-card .stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.3rem;
}

.stat-card .stat-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================================
   TABLE
   ============================================================ */
.table-wrapper {
    overflow-x: auto;
}

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

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.88rem;
}

thead th {
    background: var(--bg);
    font-weight: 700;
    color: var(--text-secondary);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border);
}

tbody tr {
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

tbody tr:hover {
    background: var(--primary-50);
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.7rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 100px;
    white-space: nowrap;
}

.badge-pending { background: var(--warning-light); color: var(--warning); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--info-light); color: var(--info); }
.badge-primary { background: var(--primary-50); color: var(--primary); }

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
    padding: 1rem 1.2rem;
    border-radius: var(--radius);
    margin-bottom: 1.2rem;
    font-size: 0.9rem;
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    animation: slideDown 0.3s ease-out;
}

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

.alert-success { background: var(--success-light); color: var(--success); border-left: 4px solid var(--success); }
.alert-danger { background: var(--danger-light); color: var(--danger); border-left: 4px solid var(--danger); }
.alert-warning { background: var(--warning-light); color: #795548; border-left: 4px solid var(--warning); }
.alert-info { background: var(--info-light); color: var(--info); border-left: 4px solid var(--info); }

/* ============================================================
   STAGE CARDS (Choix de lieu)
   ============================================================ */
.stages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.2rem;
}

.stage-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-light);
    padding: 1.5rem;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.stage-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.stage-card.selected {
    border-color: var(--primary);
    background: var(--primary-50);
}

.stage-card.full {
    opacity: 0.5;
    cursor: not-allowed;
}

.stage-card .stage-name {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.stage-card .stage-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.stage-card .stage-places {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.7rem;
    font-size: 0.82rem;
    font-weight: 600;
}

.stage-card .stage-places.available { color: var(--success); }
.stage-card .stage-places.limited { color: var(--warning); }
.stage-card .stage-places.full { color: var(--danger); }

/* ============================================================
   LETTER PREVIEW
   ============================================================ */
.letter-preview {
    background: white;
    padding: 3rem;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    font-family: 'Times New Roman', serif;
    font-size: 14px;
    line-height: 1.7;
}

.letter-preview .letter-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary);
}

.letter-preview .letter-header img {
    height: 70px;
}

.letter-preview .letter-institution {
    text-align: center;
    font-weight: bold;
}

.print-actions {
    text-align: center;
    margin: 1.5rem 0;
}

@media print {
    .sidebar, .print-actions, .page-header, .no-print { display: none !important; }
    .main-content { margin: 0; padding: 0; }
    .letter-preview { box-shadow: none; padding: 1cm; }
    body { background: white; }
}

/* ============================================================
   SEARCH & FILTERS
   ============================================================ */
.filter-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

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

.search-input input {
    width: 100%;
    padding: 0.65rem 1rem 0.65rem 2.5rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.search-input input:focus {
    border-color: var(--primary);
}

.search-input::before {
    content: '🔍';
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
}

/* ============================================================
   TABS
   ============================================================ */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border);
    margin-bottom: 1.5rem;
    gap: 0;
}

.tab {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
    cursor: pointer;
}

.tab:hover {
    color: var(--primary);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: var(--surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.3s ease-out;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

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

.modal-header h3 {
    font-size: 1.1rem;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--bg);
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--danger-light);
    color: var(--danger);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 0.8rem;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-state h3 {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
.mobile-toggle {
    display: none;
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 200;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .login-card {
        margin: 1rem;
        padding: 2rem 1.5rem;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .stages-grid {
        grid-template-columns: 1fr;
    }
    .filter-bar {
        flex-direction: column;
    }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-primary { color: var(--primary); }
.d-flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.flex-wrap { flex-wrap: wrap; }