:root {
    /* Modern Color Palette - Fresh Fleet Theme */
    --color-text: #2c3e50;
    --color-background: #f5f7fa;
    --color-surface: #ffffff;
    --color-primary: #3498db;
    --color-primary-hover: #2980b9;
    --color-success: #27ae60;
    --color-success-hover: #229954;
    --color-warning: #e67e22;
    --color-warning-hover: #d35400;
    --color-secondary: #7f8c8d;
    --color-secondary-hover: #707b7c;
    --color-border: #dfe6e9;
    --color-muted: #95a5a6;
    --color-header-bg: #34495e;
    --color-header-text: #ffffff;
    --color-code-bg: #ecf0f1;
    --color-highlight: #16a085;

    /* Typography */
    --font-family-sans-serif: 'Inter', sans-serif;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-sm: 0.875rem;
    --font-size-h1: 2rem;
    --font-size-h2: 1.5rem;
    --font-weight-normal: 400;
    --font-weight-bold: 700;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 1rem;
    --spacing-4: 1.5rem;
    --spacing-5: 2rem;

    /* Borders */
    --border-width: 1px;
    --border-radius: 0.375rem;
    --border-radius-sm: 0.25rem;
}

/* --- Upload Section --- */
.upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-5);
    text-align: center;
    background: var(--color-surface);
    transition: all 0.3s ease;
    cursor: pointer;
    margin: var(--spacing-3) 0;
}

.upload-area:hover {
    border-color: var(--color-primary);
    background: #f8f9fa;
}

.upload-area.dragover {
    border-color: var(--color-success);
    background: #e8f5e8;
}

.upload-content {
    pointer-events: none;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-3);
}

.upload-hint {
    color: var(--color-muted);
    font-size: var(--font-size-sm);
    margin: var(--spacing-2) 0;
}

.file-info {
    background: #e8f4fd;
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-4);
    margin: var(--spacing-3) 0;
}

.file-details p {
    margin: var(--spacing-1) 0;
}

.upload-progress {
    margin: var(--spacing-3) 0;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    margin: var(--spacing-2) 0;
}

.progress-fill {
    height: 100%;
    background: var(--color-success);
    width: 0%;
    transition: width 0.3s ease;
}

.format-info {
    background: #f8f9fa;
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-3);
    margin: var(--spacing-2) 0;
}

.format-info ul {
    margin: var(--spacing-2) 0;
    padding-left: var(--spacing-4);
}

.format-info li {
    margin: var(--spacing-1) 0;
}

.format-info code {
    background: var(--color-code-bg);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.sample-format {
    background: var(--color-code-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-3);
    margin: var(--spacing-2) 0;
}

.sample-format pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.85em;
    white-space: pre-wrap;
    overflow-x: auto;
}

/* --- Results Table --- */
.table-controls {
    display: flex;
    gap: var(--spacing-2);
    margin: var(--spacing-3) 0;
}

.table-container {
    margin: var(--spacing-3) 0;
    overflow-x: auto;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.results-table th {
    background: var(--color-header-bg);
    color: var(--color-header-text);
    padding: var(--spacing-3);
    text-align: left;
    font-weight: var(--font-weight-bold);
}

.results-table td {
    padding: var(--spacing-2) var(--spacing-3);
    border-bottom: 1px solid var(--color-border);
}

.results-table tbody tr:hover {
    background: #f8f9fa;
}

.results-table tbody tr:last-child td {
    border-bottom: none;
}

/* --- Fleet Breakdown --- */
.fleet-breakdown {
    margin: var(--spacing-4) 0;
}

.vehicle-type-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-3);
    margin: var(--spacing-3) 0;
}

.vehicle-type-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-3);
    text-align: center;
}

.vehicle-type-card h5 {
    margin: 0 0 var(--spacing-2) 0;
    color: var(--color-primary);
}

.vehicle-type-card .count {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}

.vehicle-type-card .cost {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}

/* --- Performers Section --- */
.performers-section {
    margin: var(--spacing-4) 0;
}

.performers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-3);
    margin: var(--spacing-3) 0;
}

.performer-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-3);
    text-align: center;
}

.performer-card h4 {
    margin: 0 0 var(--spacing-2) 0;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.performer-card p {
    margin: var(--spacing-1) 0;
    font-weight: var(--font-weight-bold);
}

.performer-metric {
    color: var(--color-primary) !important;
    font-size: var(--font-size-sm) !important;
    font-weight: var(--font-weight-normal) !important;
}

/* --- Responsive Design --- */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-3);
    }
    
    header {
        padding: var(--spacing-2) var(--spacing-3);
    }
    
    #header-logo {
        max-height: 50px;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    header p {
        font-size: 0.875rem;
    }
}

@media (max-width: 1024px) {
    .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    #calculator-section,
    #results-section {
        padding: var(--spacing-3);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .result-row {
        grid-template-columns: 1fr;
    }
    
    .performers-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .vehicle-type-breakdown {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-2);
    }
    
    main {
        padding: var(--spacing-2);
    }
    
    header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-2);
        padding: var(--spacing-2) var(--spacing-2);
    }
    
    #header-logo {
        max-height: 40px;
    }
    
    header h1 {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-1);
    }
    
    header p {
        font-size: 0.8rem;
        margin: 0;
    }
    
    .theme-toggle-btn {
        width: 36px;
        height: 36px;
        font-size: 1rem;
        position: absolute;
        top: var(--spacing-2);
        right: var(--spacing-2);
    }
    
    #calculator-section,
    #results-section {
        padding: var(--spacing-2);
    }
    
    .meeting-type-options {
        padding: var(--spacing-3);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--spacing-1) var(--spacing-2);
        font-size: 0.9rem;
    }
    
    .button {
        padding: var(--spacing-1) var(--spacing-3);
        font-size: 0.9rem;
        margin-right: var(--spacing-1);
        margin-top: var(--spacing-1);
    }
    
    .performers-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2);
    }
    
    .vehicle-type-breakdown {
        grid-template-columns: 1fr;
    }
    
    .table-controls {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .results-table {
        font-size: 0.8em;
    }
    
    .results-table th,
    .results-table td {
        padding: var(--spacing-1);
    }
    
    .upload-area {
        padding: var(--spacing-3);
    }
    
    .format-info {
        padding: var(--spacing-2);
    }
    
    .sample-format pre {
        font-size: 0.75em;
        white-space: pre-wrap;
        word-break: break-all;
    }
    
    h2 {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-3);
    }
    
    .meeting-type-options h3 {
        font-size: 1rem;
    }
    
    .cost-breakdown {
        padding: var(--spacing-2);
    }
    
    .breakdown-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-1);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-1);
    }
    
    main {
        padding: var(--spacing-1);
    }
    
    header {
        padding: var(--spacing-1);
    }
    
    #header-logo {
        max-height: 35px;
    }
    
    header h1 {
        font-size: 1.1rem;
    }
    
    header p {
        font-size: 0.75rem;
    }
    
    .theme-toggle-btn {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
        top: var(--spacing-1);
        right: var(--spacing-1);
    }
    
    #calculator-section,
    #results-section {
        padding: var(--spacing-1);
    }
    
    .meeting-type-options {
        padding: var(--spacing-2);
        margin: var(--spacing-2) 0;
    }
    
    .form-group {
        margin-bottom: var(--spacing-2);
    }
    
    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.75rem var(--spacing-1);
        font-size: 0.85rem;
    }
    
    .button {
        padding: 0.75rem var(--spacing-2);
        font-size: 0.85rem;
        margin-right: 0.5rem;
        margin-top: 0.5rem;
        width: 100%;
    }
    
    .button:last-child {
        margin-right: 0;
    }
    
    .download-section {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-1);
    }
    
    .download-section .button {
        width: 100%;
        margin-right: 0;
    }
    
    .upload-area {
        padding: var(--spacing-2);
        min-height: 120px;
    }
    
    .upload-icon {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-2);
    }
    
    .upload-content h4 {
        font-size: 1rem;
    }
    
    .upload-content p {
        font-size: 0.8rem;
    }
    
    .upload-hint {
        font-size: 0.75rem;
    }
    
    .file-info {
        padding: var(--spacing-2);
    }
    
    .format-info {
        padding: var(--spacing-1);
    }
    
    .format-info h4 {
        font-size: 0.9rem;
    }
    
    .format-info ul {
        padding-left: var(--spacing-2);
    }
    
    .format-info li {
        font-size: 0.8rem;
        margin: 0.5rem 0;
    }
    
    .sample-format pre {
        font-size: 0.7em;
        padding: var(--spacing-1);
        line-height: 1.4;
    }
    
    .results-table {
        font-size: 0.7em;
        overflow-x: auto;
        display: block;
        max-width: 100%;
    }
    
    .results-table th,
    .results-table td {
        padding: 0.5rem;
        min-width: 80px;
    }
    
    .performer-card {
        padding: var(--spacing-2);
    }
    
    .performer-card h4 {
        font-size: 0.8rem;
    }
    
    .performer-card p {
        font-size: 0.9rem;
    }
    
    .performer-metric {
        font-size: 0.75rem !important;
    }
    
    .vehicle-type-card {
        padding: var(--spacing-2);
    }
    
    .vehicle-type-card h5 {
        font-size: 0.9rem;
    }
    
    .vehicle-type-card .count {
        font-size: 1.2rem;
    }
    
    .vehicle-type-card .cost {
        font-size: 0.8rem;
    }
    
    .cost-breakdown {
        padding: var(--spacing-1);
    }
    
    .cost-breakdown h3 {
        font-size: 0.9rem;
    }
    
    .breakdown-label {
        font-size: 0.75rem;
    }
    
    .breakdown-value {
        font-size: 0.85rem;
    }
    
    h2 {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-2);
    }
    
    .meeting-type-options h3 {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-2);
    }
    
    .meeting-type-options h4 {
        font-size: 0.9rem;
    }
    
    .insight-box {
        padding: var(--spacing-2);
    }
    
    .insight-box h3 {
        font-size: 0.9rem;
    }
    
    .insight-box p {
        font-size: 0.8rem;
    }
}

/* Extra small screens (very old phones) */
@media (max-width: 320px) {
    header h1 {
        font-size: 1rem;
    }
    
    header p {
        font-size: 0.7rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 0.8rem;
    }
    
    .button {
        font-size: 0.8rem;
        padding: 0.5rem var(--spacing-1);
    }
    
    .results-table {
        font-size: 0.6em;
    }
    
    .results-table th,
    .results-table td {
        padding: 0.25rem;
        min-width: 60px;
    }
}

/* Large screens and 4K displays */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
    
    header h1 {
        font-size: 2.5rem;
    }
    
    header p {
        font-size: 1.1rem;
    }
    
    #header-logo {
        max-height: 80px;
    }
    
    .performers-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .vehicle-type-breakdown {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* Landscape orientation for mobile devices */
@media (max-width: 768px) and (orientation: landscape) {
    header {
        flex-direction: row;
        padding: var(--spacing-2) var(--spacing-3);
    }
    
    .theme-toggle-btn {
        position: static;
    }
    
    .container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2);
    }
    
    main {
        padding: var(--spacing-2) var(--spacing-1);
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    #header-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: -moz-crisp-edges;
        image-rendering: crisp-edges;
        image-rendering: pixelated;
    }
}

/* Print styles */
@media print {
    header {
        background: none !important;
        color: black !important;
    }
    
    .theme-toggle-btn,
    .button,
    .upload-area,
    .table-controls {
        display: none !important;
    }
    
    .container {
        max-width: none !important;
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    #calculator-section,
    #results-section {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
        break-inside: avoid;
    }
    
    .results-table {
        font-size: 0.8em !important;
    }
}

/* --- Dark Mode Support --- */
.dark-mode .upload-area {
    background: var(--color-surface);
    border-color: var(--color-border);
}

.dark-mode .upload-area:hover {
    background: #2c3e50;
}

.dark-mode .file-info {
    background: #1e3a5f;
    border-color: var(--color-primary);
}

.dark-mode .format-info {
    background: #2c3e50;
    border-left-color: var(--color-primary);
}

.dark-mode .sample-format {
    background: #2c3e50;
    border-color: var(--color-border);
}

.dark-mode .results-table {
    background: var(--color-surface);
}

.dark-mode .results-table tbody tr:hover {
    background: #34495e;
}

.dark-mode .vehicle-type-card,
.dark-mode .performer-card {
    background: var(--color-surface);
    border-color: var(--color-border);
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-sans-serif);
    line-height: var(--line-height-base);
    margin: 0;
    padding: 0;
    background-color: var(--color-background);
    color: var(--color-text);
}

/* --- Header --- */
header {
    background: var(--color-warning);
    padding: var(--spacing-3) var(--spacing-5);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
}

#header-logo {
    max-height: 60px;
    width: auto;
}

.header-logo-link {
    text-decoration: none;
    border: none;
    outline: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.header-logo-link:hover {
    transform: scale(1.05);
    opacity: 0.8;
}

.header-logo-link:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.header-text {
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: var(--font-size-h1);
    color: #1a1a1a;
}

header p {
    font-size: var(--font-size-sm);
    color: #333333;
    margin: var(--spacing-1) 0 0 0;
}

.theme-toggle-btn {
    background: transparent;
    border: 2px solid #1a1a1a;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.theme-toggle-btn:hover {
    transform: scale(1.1);
}

.theme-icon-dark {
    display: none;
}

body.dark-mode .theme-icon-light {
    display: none;
}

body.dark-mode .theme-icon-dark {
    display: inline;
}

body.dark-mode .theme-toggle-btn {
    border-color: var(--color-text);
}

/* --- Main Layout --- */
main {
    padding: var(--spacing-3);
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 var(--spacing-5);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-5);
}

#calculator-section, #results-section {
    background: var(--color-surface);
    padding: var(--spacing-4);
    border-radius: var(--border-radius);
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

h2 {
    color: var(--color-text);
    margin-top: 0;
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-4);
}

/* --- Meeting Type Options (reused for cost sections) --- */
.meeting-type-options {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius);
    padding: var(--spacing-4);
    margin: var(--spacing-3) 0;
}

/* Operating Costs Section - Special Coloring */
.operating-costs-section {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border: 1px solid #90caf9;
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.15);
}

.operating-costs-section h3 {
    color: #1565c0;
    border-bottom: 2px solid #42a5f5;
    padding-bottom: var(--spacing-2);
}

.operating-costs-section h4 {
    color: #1976d2;
}

/* Dark mode for operating costs */
body.dark-mode .operating-costs-section {
    background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
    border-color: #3949ab;
    box-shadow: 0 2px 8px rgba(63, 81, 181, 0.3);
}

body.dark-mode .operating-costs-section h3 {
    color: #64b5f6;
    border-bottom-color: #42a5f5;
}

body.dark-mode .operating-costs-section h4 {
    color: #90caf9;
}

.meeting-type-options h3 {
    margin: 0 0 var(--spacing-3) 0;
    color: var(--color-primary);
    font-size: 1.1em;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-2);
}

.meeting-type-options h4 {
    margin: var(--spacing-3) 0 var(--spacing-2) 0;
    color: var(--color-text);
    font-size: 1em;
    font-weight: var(--font-weight-bold);
}

body.dark-mode .meeting-type-options {
    background: var(--color-code-bg);
    border-color: var(--color-border);
}

body.dark-mode .meeting-type-options h3 {
    color: var(--color-primary);
}

body.dark-mode .meeting-type-options h4 {
    color: var(--color-text);
}

/* --- Form Elements --- */
.form-group {
    margin-bottom: var(--spacing-3);
}

.form-group label {
    display: block;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-1);
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: var(--font-family-sans-serif);
    background-color: var(--color-surface);
    color: var(--color-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(51, 122, 183, 0.15);
}

.form-group .hint {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin-top: var(--spacing-1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3);
}

/* --- Buttons --- */
.button {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    border: none;
    border-radius: var(--border-radius);
    margin-right: var(--spacing-2);
    margin-top: var(--spacing-2);
    text-align: center;
    transition: background-color 0.15s ease-in-out;
}

.button-primary {
    background-color: var(--color-primary);
    color: var(--color-header-text);
}
.button-primary:hover {
    background-color: var(--color-primary-hover);
}

.button-success {
    background-color: var(--color-success);
    color: var(--color-header-text);
}
.button-success:hover {
    background-color: var(--color-success-hover);
}

.button-secondary {
    background-color: var(--color-secondary);
    color: var(--color-header-text);
}
.button-secondary:hover {
    background-color: var(--color-secondary-hover);
}

/* --- Cost Breakdown --- */
.cost-breakdown {
    background: var(--color-code-bg);
    border-radius: var(--border-radius);
    padding: var(--spacing-3);
    margin: var(--spacing-2) 0;
}

.cost-breakdown h3 {
    margin: 0 0 var(--spacing-3) 0;
    color: var(--color-text);
    font-size: 1em;
    font-weight: var(--font-weight-bold);
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-1) 0;
    border-bottom: 1px solid var(--color-border);
}

.breakdown-item:last-child {
    border-bottom: none;
}

.breakdown-label {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}

.breakdown-value {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}

/* --- Meeting Type Details (reused for fleet type details) --- */
.meeting-type-details {
    background: #e8f4fd;
    border: 1px solid #bee5eb;
    border-radius: var(--border-radius);
    padding: var(--spacing-3);
    margin: var(--spacing-2) 0;
}

.meeting-type-details h4 {
    margin: 0 0 var(--spacing-2) 0;
    color: var(--color-primary);
    font-size: 0.9em;
    font-weight: var(--font-weight-bold);
}

.meeting-type-details p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}

body.dark-mode .cost-breakdown {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

body.dark-mode .cost-breakdown h3 {
    color: var(--color-text);
}

body.dark-mode .breakdown-label {
    color: var(--color-muted);
}

body.dark-mode .breakdown-value {
    color: var(--color-text);
}

body.dark-mode .meeting-type-details {
    background: var(--color-surface);
    border-color: var(--color-primary);
}

body.dark-mode .meeting-type-details h4 {
    color: var(--color-primary);
}

body.dark-mode .meeting-type-details p {
    color: var(--color-muted);
}

/* --- Results Section --- */
.results-placeholder {
    text-align: center;
    padding: var(--spacing-5);
    color: var(--color-muted);
    background: var(--color-code-bg);
    border-radius: var(--border-radius);
}

.results-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.result-card {
    background: var(--color-code-bg);
    padding: var(--spacing-3);
    border-radius: var(--border-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.result-card.result-primary .result-value {
    font-size: 1.75rem;
}

.result-card.result-secondary {
    background: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
}

.result-card.result-highlight {
    background: linear-gradient(135deg, var(--color-success) 0%, #3d9140 100%);
    color: white;
}

.result-card.result-highlight .result-value {
    font-size: 1.5rem;
}

.result-label {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-value {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
}

.result-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3);
}

.insight-box {
    background: #fff3cd;
    border: var(--border-width) solid #ffc107;
    border-radius: var(--border-radius);
    padding: var(--spacing-3);
    margin-top: var(--spacing-2);
}

.insight-box h3 {
    margin: 0 0 var(--spacing-2) 0;
    font-size: var(--font-size-base);
    color: #856404;
}

.insight-box p {
    margin: 0;
    color: #856404;
    font-size: var(--font-size-sm);
}

/* --- Related Tools --- */
.related-tool-link {
    color: var(--color-primary);
    text-decoration: underline;
    font-weight: var(--font-weight-bold);
}

.related-tool-link:hover {
    color: var(--color-primary-hover);
}

.related-tool-button {
    margin-top: var(--spacing-3);
    text-align: center;
}

.related-tool-button .button {
    width: 100%;
    max-width: 300px;
}

/* --- Help Section --- */
#help-section {
    max-width: 1000px;
    margin: var(--spacing-5) auto;
    padding: 0 var(--spacing-5);
}

#help-section h2 {
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-4);
    font-size: 2em;
}

.help-article {
    background-color: var(--color-surface);
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    border-radius: var(--border-radius);
    box-shadow: 0 3px 6px rgba(0,0,0,0.07);
}

.help-article:last-child {
    margin-bottom: 0;
}

.help-article h3 {
    color: var(--color-primary-hover);
    margin-top: 0;
    margin-bottom: var(--spacing-3);
    font-size: 1.25em;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-2);
}

.help-article p,
.help-article ul,
.help-article ol {
    line-height: 1.75;
    color: var(--color-muted);
    margin-bottom: var(--spacing-3);
}

.help-article ul,
.help-article ol {
    padding-left: 30px;
}

.help-article li {
    margin-bottom: var(--spacing-2);
}

.help-article strong {
    color: var(--color-text);
}

/* --- Contact Section --- */
#contact-section {
    max-width: 600px;
    margin: var(--spacing-5) auto;
    padding: var(--spacing-4);
    background: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: 0 3px 6px rgba(0,0,0,0.07);
    text-align: center;
}

#contact-section h2 {
    color: var(--color-primary);
}

#contact-section > p {
    color: var(--color-muted);
    margin-bottom: var(--spacing-4);
}

.contact-form {
    text-align: left;
}

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

.form-status {
    text-align: center;
    margin-top: var(--spacing-2);
    font-size: var(--font-size-sm);
}

.form-status.success {
    color: var(--color-success);
}

.form-status.error {
    color: #dc3545;
}

/* --- Honey Pot Field --- */
.honey-field {
    display: none;
}

/* --- Download Section --- */
.download-section {
    display: flex;
    gap: var(--spacing-2);
    align-items: center;
    margin-top: var(--spacing-2);
}

.download-format {
    padding: var(--spacing-2) var(--spacing-3);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: var(--font-family-sans-serif);
    background-color: var(--color-surface);
    color: var(--color-text);
}

.download-format:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

.hidden {
    display: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --- IRD Rates Info --- */
.ird-rates-info ul {
    margin: var(--spacing-2) 0;
    padding-left: 20px;
}

.ird-rates-info li {
    margin-bottom: var(--spacing-1);
    color: var(--color-muted);
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: var(--spacing-4) 0;
    margin-top: var(--spacing-4);
    border-top: var(--border-width) solid var(--color-border);
}

.privacy-statement {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin: var(--spacing-1) 0;
}

.privacy-statement a {
    color: var(--color-primary);
}

.footer-stats {
    font-size: 0.75rem;
    color: var(--color-muted);
    margin-top: var(--spacing-2);
    opacity: 0.7;
}

.visitor-count {
    vertical-align: middle;
}

/* --- Media Queries --- */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .result-row {
        grid-template-columns: 1fr;
    }
    
    header {
        flex-direction: column;
        text-align: center;
    }
}

/* --- Dark Mode --- */
@media (prefers-color-scheme: dark) {
    body:not(.light-mode) {
        --color-text: #ecf0f1;
        --color-background: #2c3e50;
        --color-surface: #34495e;
        --color-primary: #5dade2;
        --color-primary-hover: #85c1e9;
        --color-success: #52be80;
        --color-success-hover: #7dcea0;
        --color-warning: #f39c12;
        --color-warning-hover: #f7dc6f;
        --color-secondary: #aeb6bf;
        --color-secondary-hover: #d5d8dc;
        --color-border: #5d6d7e;
        --color-muted: #aeb6bf;
        --color-header-bg: #1b2631;
        --color-header-text: #ecf0f1;
        --color-code-bg: #34495e;
    }

    body:not(.light-mode) header h1,
    body:not(.light-mode) header p {
        color: #ecf0f1;
    }

    body:not(.light-mode) .insight-box {
        background: #7e5109;
        border-color: #b9770e;
    }

    body:not(.light-mode) .insight-box h3,
    body:not(.light-mode) .insight-box p {
        color: #f7dc6f;
    }
}

body.dark-mode {
    --color-text: #ecf0f1;
    --color-background: #2c3e50;
    --color-surface: #34495e;
    --color-primary: #5dade2;
    --color-primary-hover: #85c1e9;
    --color-success: #52be80;
    --color-success-hover: #7dcea0;
    --color-warning: #f39c12;
    --color-warning-hover: #f7dc6f;
    --color-secondary: #aeb6bf;
    --color-secondary-hover: #d5d8dc;
    --color-border: #5d6d7e;
    --color-muted: #aeb6bf;
    --color-header-bg: #1b2631;
    --color-header-text: #ecf0f1;
    --color-code-bg: #34495e;
}

body.dark-mode header h1,
body.dark-mode header p {
    color: #ecf0f1;
}

body.dark-mode .insight-box {
    background: #7e5109;
    border-color: #b9770e;
}

body.dark-mode .insight-box h3,
body.dark-mode .insight-box p {
    color: #f7dc6f;
}