/**
 * Zertifikat-System - Stylesheet
 * Elegantes Design in Braun/Gold
 */

:root {
    --primary: #b8860b;
    --primary-dark: #8B6914;
    --secondary: #654321;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --light: #fffbf0;
    --dark: #3d2914;
    --white: #ffffff;
    --cream: #fffdf5;
    --gray-100: #f8f6f3;
    --gray-200: #e9e5df;
    --gray-300: #d4cfc6;
    --gray-400: #b8b2a7;
    --gray-500: #918b80;
    --gray-600: #6c675e;
    --gray-700: #4a4640;
    --shadow: 0 2px 10px rgba(101, 67, 33, 0.1);
    --shadow-lg: 0 5px 20px rgba(101, 67, 33, 0.15);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--gray-100);
}

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

.app-container { display: flex; min-height: 100vh; }

.sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--secondary) 0%, #4a3520 100%);
    color: var(--white);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    padding: 25px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: rgba(0,0,0,0.1);
}

.sidebar-header h1 {
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header h1 svg { width: 32px; height: 32px; color: var(--primary); }
.sidebar-header small { display: block; font-size: 11px; color: rgba(255,255,255,0.5); margin-top: 5px; }
.sidebar-nav { padding: 15px 0; }

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover { background: rgba(255,255,255,0.05); color: var(--white); }
.nav-item.active { background: rgba(184, 134, 11, 0.2); color: var(--white); border-left-color: var(--primary); }
.nav-item svg { width: 20px; height: 20px; margin-right: 12px; }
.nav-divider { height: 1px; background: rgba(255,255,255,0.1); margin: 10px 20px; }

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 25px 30px;
    min-height: 100vh;
    background: var(--gray-100);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.page-header h2 { font-size: 1.6rem; font-weight: 600; color: var(--secondary); }

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    border: 1px solid var(--gray-200);
}

.card-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--cream);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-header h3 { font-size: 1rem; font-weight: 600; color: var(--secondary); }
.card-body { padding: 22px; }
.card-footer { padding: 15px 22px; border-top: 1px solid var(--gray-200); background: var(--gray-100); border-radius: 0 0 var(--radius-lg) var(--radius-lg); }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-bottom: 25px; }

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 22px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 18px;
    border: 1px solid var(--gray-200);
}

.stat-icon { width: 55px; height: 55px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; }
.stat-icon svg { width: 26px; height: 26px; color: var(--white); }
.stat-icon.gold { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }
.stat-icon.brown { background: linear-gradient(135deg, var(--secondary), #4a3520); }
.stat-icon.green { background: linear-gradient(135deg, #27ae60, #1e8449); }
.stat-icon.blue { background: linear-gradient(135deg, #3498db, #2980b9); }
.stat-content h4 { font-size: 1.8rem; font-weight: 700; color: var(--secondary); }
.stat-content p { font-size: 0.85rem; color: var(--gray-600); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.btn svg { width: 18px; height: 18px; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); }
.btn-primary:hover { box-shadow: 0 5px 15px rgba(184, 134, 11, 0.4); transform: translateY(-1px); }
.btn-secondary { background: var(--gray-200); color: var(--dark); }
.btn-secondary:hover { background: var(--gray-300); }
.btn-success { background: linear-gradient(135deg, #27ae60, #1e8449); color: var(--white); }
.btn-danger { background: linear-gradient(135deg, #e74c3c, #c0392b); color: var(--white); }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-group { display: flex; gap: 10px; flex-wrap: wrap; }

.form-group { margin-bottom: 18px; }
.form-label { display: block; margin-bottom: 6px; font-weight: 500; color: var(--dark); }
.form-control { width: 100%; padding: 11px 15px; font-size: 14px; border: 2px solid var(--gray-300); border-radius: var(--radius); transition: var(--transition); background: var(--white); }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.15); }
textarea.form-control { min-height: 100px; resize: vertical; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236c675e' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 40px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; }
.form-hint { font-size: 12px; color: var(--gray-600); margin-top: 4px; }

.table-container { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--gray-200); }
.table th { background: var(--cream); font-weight: 600; color: var(--secondary); font-size: 13px; text-transform: uppercase; letter-spacing: 0.5px; }
.table tbody tr:hover { background: var(--light); }
.table-actions { display: flex; gap: 5px; }
.table-actions button { padding: 6px 10px; background: transparent; border: none; cursor: pointer; color: var(--gray-600); border-radius: 4px; transition: var(--transition); }
.table-actions button:hover { background: var(--gray-200); color: var(--dark); }
.table-actions button.delete:hover { background: var(--danger); color: var(--white); }

.badge { display: inline-block; padding: 4px 12px; font-size: 12px; font-weight: 500; border-radius: 20px; }
.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-info { background: #d1ecf1; color: #0c5460; }
.badge-gold { background: rgba(184, 134, 11, 0.15); color: var(--primary-dark); }

.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; z-index: 1000; opacity: 0; visibility: hidden; transition: var(--transition); }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal { background: var(--white); border-radius: var(--radius-lg); width: 90%; max-width: 600px; max-height: 90vh; overflow: hidden; transform: translateY(-20px); transition: var(--transition); }
.modal-overlay.active .modal { transform: translateY(0); }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--gray-200); background: var(--cream); }
.modal-header h3 { font-size: 1.1rem; font-weight: 600; color: var(--secondary); }
.modal-close { background: none; border: none; font-size: 26px; cursor: pointer; color: var(--gray-600); padding: 0; line-height: 1; }
.modal-body { padding: 22px; max-height: calc(90vh - 140px); overflow-y: auto; }
.modal-footer { padding: 15px 22px; border-top: 1px solid var(--gray-200); display: flex; justify-content: flex-end; gap: 10px; background: var(--gray-100); }

.alert { padding: 14px 18px; border-radius: var(--radius); margin-bottom: 15px; display: flex; align-items: center; gap: 12px; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-danger { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-warning { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }
.alert-info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }

.toast-container { position: fixed; top: 20px; right: 20px; z-index: 2000; display: flex; flex-direction: column; gap: 10px; }
.toast { background: var(--white); padding: 15px 20px; border-radius: var(--radius); box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 12px; min-width: 300px; animation: slideIn 0.3s ease; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }
.toast.info { border-left: 4px solid var(--primary); }

.parfum-card { background: var(--cream); border: 2px solid var(--gray-200); border-radius: var(--radius-lg); padding: 18px; margin-bottom: 15px; transition: var(--transition); }
.parfum-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.parfum-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.parfum-name { font-size: 1.1rem; font-weight: 600; color: var(--secondary); }
.parfum-nummer { font-size: 0.9rem; color: var(--gray-600); }
.parfum-meta { display: flex; gap: 15px; font-size: 0.85rem; color: var(--gray-600); }

.spinner { width: 40px; height: 40px; border: 3px solid var(--gray-200); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(255,255,255,0.9); display: flex; align-items: center; justify-content: center; z-index: 10; }

.pagination { display: flex; align-items: center; justify-content: center; gap: 5px; margin-top: 20px; }
.pagination button { padding: 8px 14px; background: var(--white); border: 1px solid var(--gray-300); border-radius: var(--radius); cursor: pointer; transition: var(--transition); }
.pagination button:hover:not(:disabled) { background: var(--cream); border-color: var(--primary); }
.pagination button.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.pagination button:disabled { opacity: 0.5; cursor: not-allowed; }

.empty-state { text-align: center; padding: 60px 20px; color: var(--gray-600); }
.empty-state svg { width: 80px; height: 80px; color: var(--gray-400); margin-bottom: 20px; }
.empty-state h3 { font-size: 1.2rem; color: var(--secondary); margin-bottom: 10px; }

@media (max-width: 992px) {
    .sidebar { width: 70px; }
    .sidebar-header h1 span, .nav-item span { display: none; }
    .sidebar-header small { display: none; }
    .sidebar-header h1 { justify-content: center; }
    .nav-item { justify-content: center; padding: 15px; }
    .nav-item svg { margin-right: 0; }
    .main-content { margin-left: 70px; }
}

@media (max-width: 768px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .page-header { flex-direction: column; gap: 15px; align-items: flex-start; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 576px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; padding: 15px; }
    .stats-grid { grid-template-columns: 1fr; }
    .modal { width: 95%; }
}

.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-gold { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-1 { margin-top: 5px; }
.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 15px; }
.mt-4 { margin-top: 20px; }
.mb-1 { margin-bottom: 5px; }
.mb-2 { margin-bottom: 10px; }
.mb-3 { margin-bottom: 15px; }
.mb-4 { margin-bottom: 20px; }
.p-2 { padding: 10px; }
.p-3 { padding: 15px; }
.p-4 { padding: 20px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 10px; }
.gap-3 { gap: 15px; }