/* Schulbegleiter-Stundenverwaltung - Stylesheet */
/* © 2025 Strahls Consulting */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --light-bg: #f8fafc;
    --border-color: #e2e8f0;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --sidebar-width: 220px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-color);
    background: var(--light-bg);
}

/* Header */
.header {
    background: white;
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1600px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.logo img {
    height: 40px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 60px;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: white;
    border-right: 1px solid var(--border-color);
    padding: 1rem 0;
    overflow-y: auto;
}

.sidebar a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-color);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.sidebar a:hover {
    background: var(--light-bg);
    color: var(--primary-color);
}

.sidebar a.active {
    background: #eff6ff;
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 500;
}

/* Nav Badge für ungelesene Nachrichten */
.nav-badge {
    display: inline-block;
    background: var(--danger-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    margin-left: 0.5rem;
    vertical-align: middle;
}

/* Main Content */
.main-content {
    margin-top: 60px;
    padding: 1.5rem;
    min-height: calc(100vh - 60px - 50px);
}

.main-content.with-sidebar {
    margin-left: var(--sidebar-width);
}

/* Footer */
.footer {
    background: white;
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.with-sidebar ~ .footer {
    margin-left: var(--sidebar-width);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
}

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

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

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

.btn-secondary:hover {
    background: #475569;
}

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

.btn-success:hover {
    background: #059669;
}

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

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-outline:hover {
    background: var(--light-bg);
}

/* Cards */
.card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    background: var(--light-bg);
}

/* 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(--border-color);
}

th {
    background: var(--light-bg);
    font-weight: 600;
    white-space: nowrap;
}

tr:hover {
    background: #fafbfc;
}

/* Stundenzettel-Tabelle */
.stundenzettel-table {
    font-size: 0.9rem;
}

.stundenzettel-table th,
.stundenzettel-table td {
    padding: 0.5rem 0.75rem;
}

.stundenzettel-table input[type="time"] {
    width: 100px;
    padding: 0.25rem 0.5rem;
    font-size: 0.9rem;
}

.stundenzettel-table .bemerkung-input {
    width: 100%;
    min-width: 120px;
}

.zeit-zeile.wochenende {
    background: #fef3c7;
}

.zeit-zeile.feiertag {
    background: #fee2e2;
}

.zeit-zeile.ferien {
    background: #dbeafe;
}

.tag-info {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.minuten-display {
    font-family: monospace;
    text-align: right;
}

.gesamt-zeile {
    font-weight: 600;
    background: var(--light-bg);
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.35rem;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

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

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
}

.badge-primary { background: #dbeafe; color: #1e40af; }
.badge-secondary { background: #f1f5f9; color: #475569; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #cffafe; color: #0e7490; }

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    border-left: 4px solid;
}

.alert-success {
    background: #d1fae5;
    border-color: var(--success-color);
    color: #065f46;
}

.alert-warning {
    background: #fef3c7;
    border-color: var(--warning-color);
    color: #92400e;
}

.alert-danger, .alert-error {
    background: #fee2e2;
    border-color: var(--danger-color);
    color: #991b1b;
}

.alert-info {
    background: #dbeafe;
    border-color: var(--primary-color);
    color: #1e40af;
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-card .stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-box {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.login-box .logo {
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

/* Grid Layout */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }

.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; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* Action Buttons in Tables */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: nowrap;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    
    .main-content.with-sidebar {
        margin-left: 0;
    }
    
    .with-sidebar ~ .footer {
        margin-left: 0;
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stundenzettel-table {
        font-size: 0.8rem;
    }
    
    .stundenzettel-table input[type="time"] {
        width: 85px;
        padding: 0.2rem 0.3rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .table-container {
        margin: 0 -1rem;
    }
}

/* Print Styles */
@media print {
    .header, .sidebar, .footer, .btn, .no-print {
        display: none !important;
    }
    
    .main-content {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Zeit-Text-Input Styling */
input.zeit-input {
    font-family: monospace;
    text-align: center;
    width: 70px;
    padding: 0.25rem 0.5rem;
}

input.zeit-input::placeholder {
    color: #c0c0c0;
}

/* Soll-Stunden in Rot (negativ) */
.soll-stunden {
    color: var(--danger-color);
    font-weight: 500;
}