/* ========================================
   GEO BOIS - Stock Manager
   Design System & Styles
   ======================================== */

:root {
    --primary: #8B4513;
    --primary-light: #c97a3a;
    --primary-dark: #5a2d0c;
    --primary-bg: #8B451308;
    --bg-dark: #0f1117;
    --bg-card: #1a1d27;
    --bg-card-hover: #222636;
    --bg-sidebar: #12141c;
    --bg-input: #1e2130;
    --text-primary: #e8e9ed;
    --text-secondary: #8b8fa3;
    --text-muted: #5e627a;
    --border: #2a2d3e;
    --border-light: #333650;
    --success: #27ae60;
    --success-bg: #27ae6015;
    --danger: #e74c3c;
    --danger-bg: #e74c3c15;
    --warning: #f39c12;
    --warning-bg: #f39c1215;
    --info: #2d8cf0;
    --info-bg: #2d8cf015;
    --sidebar-width: 260px;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 2px 12px rgba(0,0,0,0.3);
    --transition: all 0.2s ease;
}

/* RESET & BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

a { color: var(--primary-light); text-decoration: none; }
a:hover { color: var(--primary); }

/* SIDEBAR */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    height: 100vh;
    position: fixed;
    top: 0; left: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 45px;
    height: 45px;
    object-fit: contain;
    border-radius: 8px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary-light);
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-menu {
    list-style: none;
    padding: 12px 10px;
    flex: 1;
    overflow-y: auto;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 2px;
}

.nav-link:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

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

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 15px;
}

/* MAIN CONTENT */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 30px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.top-bar-title h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.date-display {
    font-size: 12px;
    color: var(--text-muted);
}

.top-bar-actions {
    display: flex;
    gap: 8px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
}

.content-wrapper {
    padding: 24px 30px;
}

/* QUICK ACTIONS */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 28px 20px;
    border-radius: var(--radius);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.action-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    opacity: 0;
    transition: opacity 0.3s;
}

.action-card:hover::before { opacity: 1; }
.action-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.action-entree {
    background: linear-gradient(135deg, #1a3a2a, #27ae6030);
    border: 1px solid #27ae6040;
    color: var(--success);
}
.action-entree:hover { border-color: var(--success); color: var(--success); }

.action-sortie {
    background: linear-gradient(135deg, #3a1a1a, #e74c3c30);
    border: 1px solid #e74c3c40;
    color: var(--danger);
}
.action-sortie:hover { border-color: var(--danger); color: var(--danger); }

.action-inventaire {
    background: linear-gradient(135deg, #1a2a3a, #2d8cf030);
    border: 1px solid #2d8cf040;
    color: var(--info);
}
.action-inventaire:hover { border-color: var(--info); color: var(--info); }

.action-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.action-label {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* STATS GRID */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

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

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-light);
    transform: translateY(-1px);
}

.stat-card.mini {
    padding: 16px;
    justify-content: center;
    text-align: center;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 24px;
    font-weight: 800;
    line-height: 1.2;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* SECTION BLOCKS */
.section-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 24px;
    overflow: hidden;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
}

.section-header h2 {
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-header h2 i {
    color: var(--primary-light);
}

/* CATEGORIES GRID */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
    padding: 20px;
}

.category-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    background: var(--bg-card-hover);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-primary);
}

.category-card:hover {
    background: #2a2e42;
    transform: translateX(4px);
    color: var(--text-primary);
}

.cat-icon { font-size: 24px; }
.cat-info h3 { font-size: 14px; font-weight: 600; }
.cat-info p { font-size: 12px; color: var(--text-secondary); }
.cat-value { margin-left: auto; font-size: 13px; font-weight: 600; color: var(--text-secondary); }

/* CATEGORIES LIST */
.categories-list { padding: 16px; }

.category-item {
    background: var(--bg-card-hover);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    padding: 16px;
}

.cat-main {
    display: flex;
    align-items: center;
    gap: 16px;
}

.cat-icon-big { font-size: 28px; }

.cat-details { flex: 1; }
.cat-details h3 { font-size: 16px; font-weight: 600; }
.cat-desc { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.cat-meta { font-size: 11px; color: var(--text-muted); }

.cat-actions { display: flex; gap: 6px; }

.edit-form {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.subcategories {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.subcat-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-input);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}

.subcat-delete {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 14px;
    padding: 0;
    line-height: 1;
}

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

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

.data-table thead {
    background: var(--bg-card-hover);
}

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.data-table tbody tr:hover {
    background: var(--bg-card-hover);
}

.row-alert {
    background: var(--danger-bg) !important;
}

.actions-cell { white-space: nowrap; }

/* BADGES */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-dark { background: #33333380; color: #999; }

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }

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

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #2ecc71; color: white; }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #c0392b; color: white; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
}
.btn-outline:hover { border-color: var(--primary-light); color: var(--primary-light); }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-xs { padding: 4px 8px; font-size: 11px; }
.btn-lg { padding: 14px 28px; font-size: 15px; }

/* FORMS */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    padding: 24px;
}

.form-large .form-group { min-width: 0; }

.form-inline-row {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    padding: 20px 24px;
    flex-wrap: wrap;
}

.form-inline-row .form-group { flex: 1; min-width: 160px; }

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width { grid-column: 1 / -1; }

.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.form-group textarea { resize: vertical; }

.form-group small { font-size: 11px; color: var(--text-muted); }
.form-group small a { color: var(--primary-light); }

.color-input {
    height: 42px;
    width: 60px;
    padding: 4px !important;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    padding-top: 4px;
}

/* FILTER BAR */
.filter-bar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 20px;
}

.filter-form {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-form .form-group {
    flex: none;
}

.filter-form select,
.filter-form input {
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
}

.search-group {
    display: flex !important;
    flex-direction: row !important;
    gap: 4px !important;
    align-items: center !important;
    flex: 1;
    min-width: 200px;
}

.search-group input { flex: 1; }

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    cursor: pointer;
}

.filter-summary {
    display: flex;
    gap: 20px;
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* ALERTS */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid #27ae6030; }
.alert-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid #e74c3c30; }

/* EMPTY STATE */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state p { margin-bottom: 16px; font-size: 15px; }

/* STOCK DISPLAY */
.stock-display {
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-secondary);
}

/* UTILITY */
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-muted { color: var(--text-muted) !important; }

/* RESPONSIVE */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        position: fixed;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 0 0 50px rgba(0,0,0,0.7);
    }

    .main-content { margin-left: 0; }
    .menu-toggle { display: block; }

    .content-wrapper { padding: 16px; }
    .top-bar { padding: 12px 16px; }
    .top-bar-title h1 { font-size: 16px; }

    .quick-actions { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-mini { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: 1fr; }

    .form-grid { grid-template-columns: 1fr; padding: 16px; }
    .form-inline-row { flex-direction: column; padding: 16px; }

    .filter-form { flex-direction: column; }
    .filter-form .form-group { width: 100%; }
    .filter-form select, .filter-form input { width: 100%; }

    .data-table { font-size: 12px; }
    .data-table th, .data-table td { padding: 8px 10px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .stat-card { padding: 14px; }
    .stat-value { font-size: 20px; }
    .top-bar-actions { display: none; }
}