/* Budget Manager 2.0 - Modern Dark Theme */
:root {
    --primary-color: #2196F3;
    --success-color: #4CAF50;
    --danger-color: #F44336;
    --warning-color: #FF9800;
    --dark-bg: #121212;
    --card-bg: #1e1e1e;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --border-color: #333;
}

* {
    box-sizing: border-box;
}

body {
    background: var(--dark-bg);
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 1rem;
    margin: 0;
    line-height: 1.6;
    transition: all 0.3s ease;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
}

/* Form Controls */
input, button, select {
    padding: 12px 16px;
    margin: 6px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

input, select {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 2px solid transparent;
    width: 100%;
    max-width: 300px;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e0e0e0' stroke-width='2'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

button {
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    border: 2px solid transparent;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
}

button:hover {
    background: #1976D2;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

button:active {
    transform: translateY(0);
}

/* Sections */
.section {
    background: var(--card-bg);
    padding: 24px;
    margin-bottom: 24px;
    border-radius: 16px;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.section h3 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.4em;
    font-weight: 600;
}

/* Lists */
ul {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

ul li {
    background: #2a2a2a;
    margin: 12px 0;
    padding: 16px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

ul li:hover {
    background: #333;
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Summary */
.summary {
    background: linear-gradient(135deg, var(--card-bg) 0%, #252525 100%);
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    border: 1px solid #333;
}

.summary h3 {
    margin-top: 0;
    font-size: 1.4em;
    color: var(--text-primary);
}

/* Navigation */
.nav {
    display: flex;
    justify-content: space-between;
    margin: 20px 0;
    gap: 10px;
}

.nav a {
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.nav a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

/* Tables */
.auswertung-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.auswertung-table th,
.auswertung-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #333;
}

.auswertung-table th {
    background: #2a2a2a;
    font-weight: 600;
    color: var(--text-primary);
}

.auswertung-table tbody tr:hover {
    background: #252525;
}

/* Icons and Labels */
.category-item {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    margin: 2px 4px;
    border-radius: 20px;
    background: rgba(33, 150, 243, 0.2);
    color: var(--primary-color);
    font-size: 0.85em;
    border: 1px solid rgba(33, 150, 243, 0.3);
}

.category-item .icon {
    margin-right: 6px;
    font-size: 1.1em;
}

.note-icon, .repeat-icon {
    margin-left: 8px;
    padding: 4px;
    border-radius: 4px;
    cursor: help;
    transition: all 0.2s ease;
}

.note-icon {
    color: var(--warning-color);
    background: rgba(255, 152, 0, 0.1);
}

.repeat-icon {
    color: var(--success-color);
    background: rgba(76, 175, 80, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 0.5rem;
    }
    
    .container {
        padding: 0;
    }
    
    .section {
        padding: 16px;
        margin-bottom: 16px;
    }
    
    .nav {
        flex-direction: column;
        gap: 8px;
    }
    
    .nav a {
        text-align: center;
        padding: 16px;
    }
    
    ul li {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    ul li > div:last-child {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        justify-content: center;
    }
    
    input, select, button {
        width: 100%;
        max-width: none;
        margin: 4px 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr !important;
        gap: 12px;
    }
    
    .quick-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .quick-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 12px;
    }
    
    .summary {
        padding: 16px;
    }
    
    .auswertung-table th,
    .auswertung-table td {
        padding: 8px 12px;
        font-size: 0.9em;
    }
}

/* Light Theme */
.light {
    --dark-bg: #f5f5f5;
    --card-bg: #ffffff;
    --text-primary: #333333;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
    background: var(--dark-bg);
    color: var(--text-primary);
}

.light .section,
.light .summary,
.light ul li {
    background: var(--card-bg);
    border-color: var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.light ul li:hover {
    background: #f8f9fa;
}

.light .auswertung-table th {
    background: #f8f9fa;
}

.light input,
.light select {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.light .nav a {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

/* Chart */
canvas#chart {
    max-width: 100%;
    height: 300px !important;
    width: 100% !important;
    border-radius: 8px;
    margin: 16px 0;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.9em;
}

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

footer a:hover {
    text-decoration: underline;
}

/* Utilities */
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-primary { color: var(--primary-color) !important; }

.bg-success { background-color: var(--success-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-primary { background-color: var(--primary-color) !important; }

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Category Modal Styles */
.icon-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
    padding: 12px;
    background: var(--dark-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.icon-suggestions span {
    display: inline-block;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    font-size: 18px;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
    background: var(--card-bg);
}

.icon-suggestions span:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}

/* Category Display */
.category-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border-radius: 4px;
    background: var(--cat-bg, rgba(33, 150, 243, 0.1));
    color: var(--cat-color, var(--primary-color));
    font-size: 0.9em;
}

.category-item .icon {
    font-size: 1.1em;
}

/* Category Management */
.category-management-item {
    transition: background-color 0.2s ease;
}

.category-management-item:hover {
    background: var(--primary-color) !important;
    opacity: 0.9;
}

.category-management-item button {
    transition: all 0.2s ease;
}

.category-management-item button:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}