:root {
    /* Color Palette - Orange focused */
    --color-bg: #ffffff;
    --color-surface: #fff7f0; /* Very light orange for cards */
    --color-primary: #ff8c00; /* Dark orange CTA */
    --color-primary-hover: #e07b00;
    --color-secondary: #ffb347; /* Lighter orange for secondary actions */
    --color-secondary-hover: #ffa01a;
    --color-border: #ffd1a3;
    --color-text-main: #4a2500; /* Very dark orange/brown for main text */
    --color-text-muted: #8c5926;
    --color-danger: #ff4d4d;
    
    /* Chart Colors (Harmonious orange spectrum) */
    --chart-c1: #ff5e00;
    --chart-c2: #ff8c00;
    --chart-c3: #ffaa00;
    --chart-c4: #ffc400;
    --chart-c5: #ffdb4d;
    --chart-c6: #ff8040;
    --chart-c7: #e65c00;
    --chart-c8: #cc5200;

    /* Typography & Spacing */
    --font-family: 'Inter', sans-serif;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --border-radius: 12px;
    --shadow-soft: 0 4px 12px rgba(255, 140, 0, 0.08);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

main {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.grid-container {
    display: contents;
}

.summary-card.header-dashboard {
    order: 1;
}

.chart-column {
    order: 2;
    width: 100%;
}

.incomes-list-section {
    order: 3;
}

.expenses-list-section {
    order: 4;
}

.form-column {
    order: 5;
    width: 100%;
}

.data-management {
    order: 6;
}

h1, h2, h3 {
    color: var(--color-text-main);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    color: var(--color-primary);
    padding: var(--spacing-xl) 0 var(--spacing-sm);
}

.header-date {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

.header-subtitle {
    display: block;
    width: 100%;
    max-width: 400px;
    margin: 0 auto var(--spacing-sm);
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-main);
    background: transparent;
    border: 1px dashed var(--color-border);
    border-radius: var(--border-radius);
    padding: 0.4rem 0.8rem;
    font-family: var(--font-family);
    transition: border-color 0.2s, background-color 0.2s;
}

.header-subtitle:hover {
    background-color: var(--color-surface);
    border-color: var(--color-secondary);
}

.header-subtitle:focus {
    background-color: var(--color-bg);
    border-color: var(--color-primary);
    border-style: solid;
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.2);
}

.app-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-md) var(--spacing-xl);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-soft);
}

.header-dashboard {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-surface) 0%, #fff0e0 100%);
    border-left: 5px solid var(--color-primary);
}

.dashboard-values {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    text-align: center;
    gap: var(--spacing-md);
}

.dashboard-chart {
    min-height: 150px;
}

.effective-net-display h2 {
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    color: var(--color-text-muted);
}

.effective-net-display .value {
    font-size: 1.5rem;
    font-weight: 700;
}

.income-value {
    color: var(--color-primary);
}

.expense-value {
    color: var(--color-danger);
}

.net-result .value {
    font-size: 1.8rem;
    color: var(--color-text-main);
}

/* Forms & Inputs */
.input-group, .form-group-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group {
    display: flex;
    gap: var(--spacing-sm);
}

.row {
    display: flex;
    gap: var(--spacing-sm);
    width: 100%;
}

.row > * {
    flex: 1;
}

label {
    font-weight: 600;
    font-size: 0.9rem;
}

input, select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text-main);
    background-color: var(--color-bg);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}

input:focus, select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.2);
}

/* Buttons */
button, .file-upload-label {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    text-align: center;
    display: inline-block;
}

button:active, .file-upload-label:active {
    transform: scale(0.98);
}

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

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

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

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

.btn-danger {
    background-color: transparent;
    color: var(--color-danger);
    padding: 0.5rem;
    font-size: 0.9rem;
}

.btn-danger:hover {
    background-color: #ffeeee;
}

/* Category Tags */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.tag {
    background-color: var(--color-secondary);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Lists */
.expense-list {
    list-style: none;
}

.expense-item {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    gap: var(--spacing-sm);
}

.expense-item:last-child {
    margin-bottom: 0;
}

.expense-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.expense-name {
    font-weight: 600;
    font-size: 0.95rem;
    word-break: break-word;
}

.expense-meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.expense-amount {
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-text-main);
}

.expense-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
    margin-left: auto;
}

.empty-msg {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    padding: var(--spacing-md);
}

/* Data Management */
.data-management .actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

#importInput {
    display: none;
}

/* Chart */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Chart Breakdown */
.chart-breakdown {
    margin-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--color-text-main);
    padding: 0.2rem 0;
}

.breakdown-cat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breakdown-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.breakdown-val {
    font-weight: 600;
}

/* Desktop Grid */
@media (min-width: 768px) {
    main {
        display: block;
    }

    .header-dashboard {
        flex-direction: row;
        align-items: center;
    }
    
    .dashboard-values {
        flex: 1;
    }
    
    .effective-net-display h2 {
        font-size: 1.1rem;
    }

    .effective-net-display .value {
        font-size: 1.8rem;
    }

    .net-result .value {
        font-size: 2.5rem;
    }

    .dashboard-chart {
        flex: 1;
    }

    .grid-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
        align-items: start;
    }
    
    .chart-column {
        order: 2;
        width: auto;
    }

    .form-column {
        order: 1;
        width: auto;
    }
    
    .data-management .actions {
        justify-content: flex-start;
    }
}

/* Footer */
.app-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) var(--spacing-md);
    margin-top: auto;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    order: 10;
}

.footer-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.footer-version {
    font-weight: 600;
    color: var(--color-text-main);
}

.footer-copyright {
    color: var(--color-text-muted);
}

/* ===== Druck / PDF-Export ===== */
@media print {
    /* Grundlagen */
    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    
    body {
        background: white;
        margin: 0;
        padding: 0;
    }
    
    .app-container {
        max-width: 100%;
        padding: 0;
        margin: 0;
    }
    
    /* Einspaltiges Layout erzwingen */
    main {
        display: block !important;
    }
    
    .grid-container {
        display: block !important;
    }
    
    .chart-column,
    .form-column {
        width: 100% !important;
    }
    
    /* Nicht benötigte Bereiche ausblenden */
    .form-column,
    .data-management,
    .app-footer {
        display: none !important;
    }
    
    /* Bearbeitungs-Buttons ausblenden */
    .expense-actions button {
        display: none !important;
    }
    
    /* Untertitel-Input als normalen Text darstellen */
    .header-subtitle {
        border: none !important;
        background: transparent !important;
        box-shadow: none !important;
        padding: 0 !important;
        font-size: 1.1rem;
        font-weight: 600;
    }
    
    /* Karten-Styles für Druck optimieren */
    .card {
        box-shadow: none;
        break-inside: avoid;
        page-break-inside: avoid;
        margin-bottom: 1rem;
    }
    
    .header-dashboard {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    /* Charts sichtbar halten */
    .chart-container {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .chart-container canvas {
        max-width: 100%;
        height: auto !important;
    }
    
    /* Listen nicht umbrechen */
    .expense-item {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}