/**
 * Finanzplaner v2.0
 * Hauptstylesheet
 */

/* Basis-Variablen */
:root {
    --primary: #007bff;
    --secondary: #6c757d;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    --light: #f8f9fa;
    --dark: #343a40;
    --white: #ffffff;
    
    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

/* Reset & Basis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: #f4f7f9;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Navigation */
.navbar {
    background: var(--white);
    padding: 15px 0;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-link {
    text-decoration: none;
    color: var(--dark);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

/* Page Titel */
.page-title {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 15px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #0056b3;
}

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

.btn-success:hover {
    background: #218838;
}

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

.btn-danger:hover {
    background: #c82333;
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Cards / Kacheln */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    gap: 20px;
    align-items: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--white);
}

.stat-icon.primary { background: var(--primary); }
.stat-icon.success { background: var(--success); }
.stat-icon.danger { background: var(--danger); }
.stat-icon.warning { background: var(--warning); }
.stat-icon.info { background: var(--info); }

.stat-content h3 {
    font-size: 14px;
    font-weight: 500;
    color: var(--secondary);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
}

.stat-detail {
    font-size: 12px;
    color: var(--secondary);
    margin-top: 5px;
}

/* Tabellen */
.table-container {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow-x: auto;
    margin-bottom: 30px;
}

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

thead {
    background: var(--light);
}

thead th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    user-select: none;
}

thead th:hover {
    background: #e9ecef;
}

tbody td {
    padding: 15px;
    border-top: 1px solid var(--light);
}

tbody tr:hover {
    background: #f8f9fa;
}

/* Fälligkeits-Farben */
.faelligkeit-urgent {
    border-left: 4px solid var(--danger);
    background: #ffe6e6;
}

.faelligkeit-warning {
    border-left: 4px solid var(--warning);
    background: #fff9e6;
}

.faelligkeit-normal {
    border-left: 4px solid var(--success);
}

/* Formulare */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

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

/* Filter Section */
.filter-section {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

/* Benötigte Einnahmen Card */
.benoetigt-section {
    margin-bottom: 30px;
}

.benoetigt-card {
    background: linear-gradient(135deg, var(--primary) 0%, #0056b3 100%);
    color: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.benoetigt-card h2 {
    font-size: 24px;
    margin-bottom: 25px;
    text-align: center;
}

.benoetigt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.benoetigt-item {
    text-align: center;
    padding: 20px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--border-radius);
}

.benoetigt-item .label {
    display: block;
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 10px;
}

.benoetigt-item .betrag {
    display: block;
    font-size: 32px;
    font-weight: 700;
}

/* Status Card */
.status-section {
    margin-bottom: 30px;
}

.status-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 30px;
}

.status-icon {
    font-size: 60px;
}

.status-content h3 {
    font-size: 18px;
    color: var(--secondary);
    margin-bottom: 10px;
}

.status-saldo {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 5px;
}

.status-label {
    font-size: 14px;
    color: var(--secondary);
}

/* Kategorien */
.kategorien-liste {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.kategorie-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    margin-bottom: 10px;
    border-left: 4px solid var(--primary);
    background: var(--light);
    border-radius: var(--border-radius);
}

/* Widgets */
.faelligkeiten-widget {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
}

.widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.widget-header h2 {
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Loading */
.loading-placeholder {
    text-align: center;
    padding: 40px;
    color: var(--secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-nav {
        flex-direction: column;
        gap: 10px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .filter-section {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }