/**
 * FabLab Workshop-Portal
 * Gymnasium in den Filder Benden
 * Farbschema: Dunkelblau (#1e3a5f), Orange (#e65100), Weiß
 */

/* CSS Reset & Variables */
:root {
    --primary: #1e3a5f;
    --primary-dark: #152a45;
    --primary-light: #2a4d7a;
    --accent: #e65100;
    --accent-light: #ff6d00;
    --accent-dark: #bf360c;
    --success: #2e7d32;
    --success-light: #4caf50;
    --warning: #f57c00;
    --warning-light: #ff9800;
    --danger: #c62828;
    --danger-light: #ef5350;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --white: #ffffff;
    --font-main: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow: 0 2px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.2);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: var(--font-main);
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--white);
}

.logo-icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.logo-text h1 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 600;
}

.logo-text p {
    margin: 0;
    font-size: 0.85rem;
    opacity: 0.9;
}

.nav {
    display: flex;
    gap: 0.5rem;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    transition: background 0.2s;
    font-size: 0.95rem;
}

.nav a:hover {
    background: rgba(255,255,255,0.15);
}

.nav a.active {
    background: var(--accent);
}

/* Main Content */
.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.card-header {
    background: var(--gray-100);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
}

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

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.15);
}

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

select.form-control {
    cursor: pointer;
}

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

.form-hint {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-top: 0.3rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Checkbox */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 0.1rem;
    cursor: pointer;
    accent-color: var(--primary);
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

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

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

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

.btn-accent:hover {
    background: var(--accent-dark);
}

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

.btn-success:hover {
    background: #1b5e20;
}

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

.btn-danger:hover {
    background: #b71c1c;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--gray-400);
    color: var(--gray-700);
}

.btn-outline:hover {
    border-color: var(--gray-600);
    background: var(--gray-100);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Workshop Cards */
.workshop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.workshop-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.workshop-card-header {
    padding: 1.25rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
}

.workshop-card-header h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
}

.workshop-date {
    font-size: 0.95rem;
    opacity: 0.95;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.workshop-card-body {
    padding: 1.25rem;
}

.workshop-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.workshop-info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
}

.workshop-info-item .icon {
    width: 20px;
    text-align: center;
}

.workshop-description {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.workshop-card-footer {
    padding: 1rem 1.25rem;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-verfuegbar {
    background: #e8f5e9;
    color: var(--success);
}

.status-warteliste {
    background: #fff3e0;
    color: var(--warning);
}

.status-voll {
    background: #ffebee;
    color: var(--danger);
}

.status-vergangen {
    background: var(--gray-200);
    color: var(--gray-600);
}

.status-bestaetigt {
    background: #e8f5e9;
    color: var(--success);
}

.status-storniert {
    background: var(--gray-200);
    color: var(--gray-600);
    text-decoration: line-through;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.alert-success {
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    color: #1b5e20;
}

.alert-warning {
    background: #fff3e0;
    border: 1px solid #ffcc80;
    color: #e65100;
}

.alert-danger {
    background: #ffebee;
    border: 1px solid #ef9a9a;
    color: #b71c1c;
}

.alert-info {
    background: #e3f2fd;
    border: 1px solid #90caf9;
    color: #0d47a1;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

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

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
    white-space: nowrap;
}

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

/* User Info Box */
.user-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.user-info h2 {
    margin: 0 0 0.25rem 0;
    font-size: 1.3rem;
}

.user-info p {
    margin: 0;
    opacity: 0.9;
}

.user-stats {
    display: flex;
    gap: 2rem;
}

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

.user-stat-value {
    font-size: 2rem;
    font-weight: 700;
}

.user-stat-label {
    font-size: 0.85rem;
    opacity: 0.9;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--gray-600);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    margin: 0 0 0.5rem 0;
    color: var(--gray-700);
}

/* Footer */
.footer {
    background: var(--gray-800);
    color: var(--gray-400);
    padding: 2rem;
    margin-top: auto;
    text-align: center;
    font-size: 0.9rem;
}

.footer a {
    color: var(--gray-300);
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner {
        padding: 1rem;
    }
    
    .logo-text h1 {
        font-size: 1.1rem;
    }
    
    .logo-text p {
        display: none;
    }
    
    .nav {
        width: 100%;
        justify-content: center;
    }
    
    .main {
        padding: 1rem;
    }
    
    .workshop-grid {
        grid-template-columns: 1fr;
    }
    
    .user-box {
        flex-direction: column;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Print Styles */
@media print {
    .header, .nav, .btn, .footer {
        display: none !important;
    }
    
    .main {
        padding: 0;
        max-width: none;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.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; }
.hidden { display: none; }