/**
 * Haupt-Stylesheet für das Aushilfsportal
 * Modernes, responsives Design
 */

/* ===== GRUNDLEGENDE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Farbschema */
    --primary-color: #dc3545;      /* Rot für Rettungsdienst */
    --primary-dark: #c82333;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    /* Textfarben */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    
    /* Abstände */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Schatten */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Border Radius */
    --border-radius: 0.375rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: #f4f6f9;
}

/* ===== CONTAINER & LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0;
}

.header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-name {
    font-size: 0.95rem;
}

.btn-logout {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-logout:hover {
    background-color: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
}

/* ===== KARTEN (CARDS) ===== */
.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

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

.card-header {
    padding: var(--spacing-lg);
    background-color: var(--light-color);
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
    font-size: 1.1rem;
}

.card-body {
    padding: var(--spacing-lg);
}

/* ===== DIENST-KARTEN ===== */
.dienst-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.dienst-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.dienst-card.offen {
    border-color: var(--success-color);
}

.dienst-card.vergeben {
    border-color: var(--secondary-color);
    opacity: 0.7;
}

.dienst-header {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.dienst-datum {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.dienst-wochentag {
    font-size: 0.9rem;
    opacity: 0.9;
}

.dienst-body {
    padding: var(--spacing-lg);
}

.dienst-info {
    margin-bottom: var(--spacing-md);
}

.dienst-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dienst-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.dienst-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--light-color);
    border-top: 1px solid #dee2e6;
}

.dienst-status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-offen {
    background-color: #d4edda;
    color: #155724;
}

.status-vergeben {
    background-color: #d1ecf1;
    color: #0c5460;
}

.status-storniert {
    background-color: #f8d7da;
    color: #721c24;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    border: none;
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1.5;
}

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

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

.btn-success:hover:not(:disabled) {
    background-color: #218838;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: #5a6268;
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #c82333;
}

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

/* ===== FORMULARE ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-label.required::after {
    content: " *";
    color: var(--danger-color);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: white;
    border: 1px solid #ced4da;
    border-radius: var(--border-radius);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

select.form-control {
    cursor: pointer;
}

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

/* ===== TABELLEN ===== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    margin-bottom: var(--spacing-lg);
    border-collapse: collapse;
    background-color: white;
}

.table thead th {
    padding: var(--spacing-md);
    background-color: var(--light-color);
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    text-align: left;
    color: var(--text-primary);
}

.table tbody td {
    padding: var(--spacing-md);
    border-bottom: 1px solid #dee2e6;
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: var(--light-color);
}

/* ===== ALERTS / NACHRICHTEN ===== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid transparent;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-error,
.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffeaa7;
    color: #856404;
}

/* ===== FILTER-BEREICH ===== */
.filter-section {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

/* ===== LOGIN-SEITE ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.login-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-header h1 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    border-radius: var(--border-radius);
}

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

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

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

/* ===== UTILITIES ===== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.4rem;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-info {
        width: 100%;
        justify-content: space-between;
    }
    
    .dienst-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-grid {
        grid-template-columns: 1fr;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .table thead {
        display: none;
    }
    
    .table tbody tr {
        display: block;
        margin-bottom: var(--spacing-lg);
        border: 1px solid #dee2e6;
        border-radius: var(--border-radius);
    }
    
    .table tbody td {
        display: block;
        text-align: right;
        padding: var(--spacing-sm) var(--spacing-md);
        border-bottom: 1px solid #dee2e6;
    }
    
    .table tbody td:last-child {
        border-bottom: none;
    }
    
    .table tbody td::before {
        content: attr(data-label);
        float: left;
        font-weight: 600;
        color: var(--text-secondary);
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }
    
    .login-card {
        padding: var(--spacing-lg);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }
}

/* ===== LOADING SPINNER ===== */
.spinner {
    border: 3px solid var(--light-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: var(--spacing-xl) auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-text {
    font-size: 1.1rem;
}