:root {
    /* Brand colors - Modern Violet/Indigo theme */
    --color-primary: #6366f1;
    /* Indigo 500 */
    --color-primary-light: #818cf8;
    /* Indigo 400 */
    --color-primary-dark: #4f46e5;
    /* Indigo 600 */
    --color-primary-rgb: 99, 102, 241;

    /* Semantic colors */
    --color-success: #10b981;
    --color-success-dark: #059669;
    --color-success-light: #d1fae5;

    --color-error: #ef4444;
    --color-error-light: #fee2e2;
    --color-error-dark: #dc2626;

    --color-warning: #f59e0b;

    --color-blue: #3b82f6;
    --color-blue-dark: #2563eb;
    --color-blue-light: #dbeafe;

    /* Grays - slate based for better contrast */
    --color-gray-900: #0f172a;
    --color-gray-800: #1e293b;
    --color-gray-700: #334155;
    --color-gray-600: #475569;
    --color-gray-500: #64748b;
    --color-gray-400: #94a3b8;
    --color-gray-300: #cbd5e1;
    --color-gray-200: #e2e8f0;
    --color-gray-100: #f1f5f9;
    --color-gray-50: #f8fafc;

    /* Surface colors */
    --color-surface: #ffffff;
    --color-surface-glass: rgba(255, 255, 255, 0.9);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(135deg, #f0f4ff 0%, #e0e7ff 100%);
    color: var(--color-gray-800);
    min-height: 100vh;
    padding: 1rem;
    line-height: 1.5;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
}

h1 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-gray-900);
    letter-spacing: -0.025em;
    text-shadow: none;
}

header {
    text-align: center;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
    padding: 0.25rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.subtitle {
    display: none;
    /* Hide subtitle to save space */
}

.status-bar {
    background: var(--color-surface);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--color-gray-100);
    min-height: 32px;
}

.status-bar.loading {
    background: white;
    color: var(--color-gray-700);
    border-left: 4px solid var(--color-warning);
}

.status-bar.ready {
    background: white;
    color: var(--color-success-dark);
    border-left: 4px solid var(--color-success);
}

.status-bar.error {
    background: var(--color-error-light);
    color: var(--color-error-dark);
    border-left: 4px solid var(--color-error);
}

.status-bar.generating {
    background: white;
    color: var(--color-primary-dark);
    border-left: 4px solid var(--color-primary);
}

.version-info {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--color-gray-500);
    font-family: 'Courier New', monospace;
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: none;
}

.status-bar.loading .spinner,
.status-bar.generating .spinner {
    display: block;
}

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

.main-container {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: grid;
    grid-template-columns: 500px 1fr;
    gap: 0;
    overflow: hidden;
    height: calc(100vh - 140px);
    border: 1px solid var(--color-gray-200);
}

/* Mobile hamburger menu button */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1003;
    background: white;
    border: none;
    border-radius: var(--radius-lg);
    padding: 10px;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    width: 48px;
    height: 48px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gray-800);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-btn:active {
    transform: scale(0.95);
}

/* Close button inside sidebar (mobile only) */
.mobile-close-btn {
    display: none;
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    padding: 8px;
    font-size: 1.5rem;
    color: var(--color-gray-500);
    cursor: pointer;
    z-index: 11;
    opacity: 0;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.mobile-close-btn:hover {
    color: var(--color-gray-900);
    background: var(--color-gray-100);
}

/* Overlay for mobile sidebar */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.7);
    /* backdrop-filter causes sidebar blur on mobile Firefox */
    z-index: 1001;  /* Between app-container (0) and controls-panel (1002) */
    opacity: 0;
    visibility: hidden;
    /* Prevent blocking/blurring when inactive */
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

@media (max-width: 1024px) {
    .app-container {
        position: relative;
        z-index: 0;
        padding: 0;
    }

    body {
        padding: 0;
        background: var(--color-gray-50);
    }

    header {
        background: white;
        margin: 0;
        padding: 1rem;
        box-shadow: var(--shadow-sm);
        position: sticky;
        top: 0;
        z-index: 1001;
    }

    .subtitle {
        display: none;
    }

    h1 {
        font-size: 1.25rem;
        padding-left: 3rem;
        /* Make room for hamburger */
        text-align: left;
    }

    .main-container {
        grid-template-columns: 1fr;
        max-height: none;
        height: auto;
        position: relative;
        border-radius: 0;
        box-shadow: none;
        border: none;
    }

    .mobile-menu-btn {
        display: flex;
        top: 0.75rem;
        left: 0.75rem;
        width: 40px;
        height: 40px;
        background: transparent;
        box-shadow: none;
    }

    .mobile-close-btn {
        display: flex;
    }

    .controls-panel.mobile-open .mobile-close-btn {
        opacity: 1;
    }

    .controls-panel {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 100%;
        max-width: 480px;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
        z-index: 1002;
        box-shadow: var(--shadow-xl);
        visibility: hidden;
        border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
    }

    .controls-panel.mobile-open {
        transform: translateX(0);
        visibility: visible;
    }

    .status-bar {
        margin: 1rem;
    }

    .sidebar-overlay {
        display: block;
    }

    .sidebar-overlay.active {
        /* Don't block clicks on the sidebar - only the right side */
        left: min(480px, 100vw - 1px);
    }

    .preview-panel {
        width: 100%;
        height: 80vh;
        /* Give reasonable height on mobile */
        min-height: 500px;
    }

    .sticky-generate-section {
        padding-top: 3.5rem;
        /* Room for close button */
    }
}

.controls-panel {
    background: var(--color-gray-50);
    padding: 0;
    border-right: 1px solid var(--color-gray-200);
    overflow-y: auto;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.sticky-generate-section {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(8px);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
}

.scrollable-params {
    padding: 1.5rem;
    flex: 1;
    overflow-y: auto;
}

@media (max-width: 1024px) {
    .scrollable-params {
        padding: 1rem;
    }
}

.preset-selector {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.preset-selector label {
    font-weight: 600;
    color: var(--color-gray-700);
    font-size: 0.85rem;
    white-space: nowrap;
}

.preset-selector select {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    background-color: white;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}

.preset-selector select:hover {
    border-color: var(--color-primary-light);
}

.param-management {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--color-gray-200);
}

.param-management-label {
    display: block;
    font-weight: 600;
    color: var(--color-gray-500);
    margin-bottom: 0.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.param-buttons {
    display: flex;
    gap: 0.75rem;
}

.param-btn {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background: white;
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--color-gray-700);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.param-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.param-btn:active {
    transform: translateY(0);
}

.param-btn-save {
    color: var(--color-success-dark);
    background: var(--color-gray-50);
}

.param-btn-save:hover {
    border-color: var(--color-success);
    color: var(--color-success-dark);
    background: white;
}

.param-btn-load {
    color: var(--color-primary-dark);
    background: var(--color-gray-50);
}

.param-btn-load:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
    background: white;
}

#load-params-input {
    display: none;
}

.category-section {
    margin-bottom: 1rem;
    background: white;
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
}

.category-title {
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-gray-100);
    padding-bottom: 0.75rem;
    display: flex;
    align-items: center;
}

.category-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 1em;
    background: var(--color-primary);
    margin-right: 0.5rem;
    border-radius: 2px;
}

.param-group {
    margin-bottom: 0.75rem;
}

.param-group:last-child {
    margin-bottom: 0;
}

.param-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.param-label label {
    font-weight: 500;
    color: var(--color-gray-700);
    font-size: 0.9rem;
}

.param-unit {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    font-weight: 500;
    background: var(--color-gray-50);
    padding: 2px 6px;
    border-radius: 4px;
}

.param-description {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-top: 0.35rem;
    line-height: 1.4;
}

input[type="number"],
input[type="range"],
input[type="text"],
select {
    width: 100%;
    padding: 4px 8px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: all 0.2s;
    background: var(--color-gray-faint);
    height: 32px;
}

input[type="number"]:focus,
input[type="text"]:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-blue-light);
    background: white;
}

/* Output/calculated parameter styling */
.param-output {
    background-color: var(--color-gray-50);
    border-left: 3px solid var(--color-blue);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    margin-top: 0.5rem;
}

.param-output label {
    color: var(--color-blue-dark);
}

.output-indicator {
    font-size: 0.7rem;
    color: var(--color-gray-500);
    font-weight: normal;
    margin-left: 6px;
    font-style: italic;
}

input.readonly-output,
select.readonly-output {
    background-color: white;
    border-color: var(--color-gray-200);
    color: var(--color-gray-600);
    cursor: default;
    font-weight: 500;
    font-family: monospace;
}

input.readonly-output:focus,
select.readonly-output:focus {
    outline: none;
    border-color: var(--color-gray-300);
    box-shadow: none;
}

input[type="range"] {
    padding: 0;
}

input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 10px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.checkbox-group {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
}

.range-value {
    display: inline-block;
    min-width: 50px;
    text-align: right;
    font-size: 0.9rem;
    color: var(--color-gray-700);
    font-weight: 600;
}

.generate-btn {
    display: none;
}

.generate-btn-shortcut {
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
}

.download-buttons {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.download-buttons button {
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: var(--shadow-sm);
}

.download-buttons button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.download-buttons button:active {
    transform: translateY(0);
}

.download-buttons button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

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

.btn-svg:hover:not(:disabled) {
    background: var(--color-success-dark);
}

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

.btn-pdf:hover:not(:disabled) {
    background: var(--color-error-dark);
}

.preview-panel {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    background: var(--color-gray-50);
    height: 100%;
    overflow: hidden;
}

.view-controls-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
}

.view-tabs {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    background: var(--color-gray-200);
    padding: 4px;
    border-radius: var(--radius-lg);
}

.view-tab {
    flex: 1;
    padding: 8px 12px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--color-gray-600);
}

.view-tab:hover:not(:disabled) {
    color: var(--color-gray-900);
    background: rgba(255, 255, 255, 0.5);
}

.view-tab.active {
    background: white;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.view-tab:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.zoom-controls {
    display: flex;
    gap: 0.5rem;
    background: white;
    padding: 4px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.zoom-btn {
    padding: 6px;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-700);
    line-height: 1;
}

.zoom-btn:hover:not(:disabled) {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

#preview-container {
    flex: 1;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: white;
    min-height: 400px;
    overflow: hidden;
    position: relative;
    display: flex;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

#preview-container.has-content {
    border-style: solid;
    border-color: var(--color-gray-300);
}

#preview-container .preview-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* SVG.js canvas should fill container */
#preview-container>svg {
    width: 100% !important;
    height: 100% !important;
    display: block;
}

.preview-placeholder {
    text-align: center;
    color: var(--color-gray-400);
    padding: 2rem;
}

.preview-placeholder svg {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    opacity: 0.5;
    color: var(--color-gray-300);
}

.dimensions-table-container {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    padding: 1rem;
    background: white;
    border-radius: var(--radius-lg);
}

.dimensions-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.9rem;
}

.dimensions-table th {
    background: var(--color-gray-50);
    color: var(--color-gray-900);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--color-gray-200);
    position: sticky;
    top: 0;
    z-index: 1;
}

.dimensions-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-gray-100);
    transition: background-color 0.2s;
}

.dimensions-table tr:hover td {
    background: var(--color-gray-50);
}

.dimensions-table .category-header {
    background: var(--color-gray-100);
    font-weight: 700;
    color: var(--color-primary);
    padding: 10px 16px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dimensions-table .param-name {
    font-weight: 500;
    color: var(--color-gray-700);
}

.dimensions-table .param-value {
    color: var(--color-gray-900);
    text-align: right;
    font-family: monospace, sans-serif;
    font-size: 0.95rem;
}

.dimensions-table .param-unit {
    color: var(--color-gray-500);
    font-size: 0.8rem;
    font-style: normal;
    margin-left: 4px;
}

.error-panel {
    background: var(--color-error-light);
    border: 1px solid var(--color-error-light);
    border-left: 4px solid var(--color-error);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-top: 1rem;
    display: none;
    box-shadow: var(--shadow-md);
}

.error-panel.show {
    display: block;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.error-panel h3 {
    color: var(--color-error-dark);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.error-panel ul {
    list-style: none;
    padding: 0;
}

.error-panel li {
    color: var(--color-error-dark);
    font-size: 0.9rem;
    padding: 0.25rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.error-panel li:before {
    content: "•";
    position: absolute;
    left: 0.25rem;
    color: var(--color-error);
    font-weight: bold;
}

@media (max-width: 1200px) {
    .view-controls-header {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .view-tabs {
        flex: 1 1 100%;
        margin-bottom: 0.5rem;
        overflow-x: auto;
    }

    .view-tab {
        white-space: nowrap;
    }

    .zoom-controls,
    .download-buttons {
        flex: 0 0 auto;
    }
}

/* Mobile devices - wrap tabs to multiple rows */
@media (max-width: 768px) {
    .preview-panel {
        padding: 1rem;
        /* Reduce padding to maximize preview space */
    }

    .view-controls-header {
        margin-bottom: 0.5rem;
        /* Reduce margin below tabs */
    }

    .view-tabs {
        flex-wrap: wrap;
        gap: 6px;
        /* Smaller gap between tabs */
    }

    .view-tab {
        flex: 1 1 calc(50% - 3px);
        /* 2 tabs per row */
        min-width: 100px;
        padding: 6px 10px;
        /* Smaller padding */
        font-size: 0.8rem;
        /* Smaller font */
    }

    .zoom-controls button,
    .download-buttons button {
        padding: 6px 10px;
        /* Smaller buttons too */
        font-size: 0.8rem;
    }
}

/* Very small devices - single column */
@media (max-width: 480px) {
    .view-tab {
        flex: 1 1 100%;
        /* Full width, stack vertically */
        font-size: 0.85rem;
        padding: 8px 12px;
    }
}

.calculated-metrics {
    margin-bottom: 2rem;
    padding: 0;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: var(--color-gray-50);
    padding: 1rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.metric-card {
    background: white;
    padding: 8px;
    border-radius: 6px;
    border: 1px solid var(--color-gray-200);
    font-size: 0.8rem;
}

.metric-label {
    color: var(--color-gray-500);
    display: block;
    margin-bottom: 2px;
    font-size: 0.7rem;
    font-weight: 600;
}

.metric-value {
    color: var(--color-gray-900);
    font-weight: 700;
    font-family: monospace;
}

/* Fret Table Styles */
.fret-table-container {
    max-width: 600px;
    max-height: 70vh;
    margin: 20px auto;
    overflow-y: auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

.fret-table {
    width: 100%;
    border-collapse: collapse;
    font-family: monospace;
    background: white;
}

.fret-table thead {
    background: var(--color-primary);
    color: white;
    position: sticky;
    top: 0;
    z-index: 10;
}

.fret-table th,
.fret-table td {
    padding: 12px;
    text-align: left;
    border: 1px solid var(--color-gray-200);
}

.fret-table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.fret-table tbody tr:nth-child(odd) {
    background: rgba(0, 0, 0, 0.02);
}

.fret-table tbody tr:hover {
    background: rgba(79, 70, 229, 0.05);
}

.fret-table td {
    font-size: 0.95rem;
}

.fret-table td:first-child {
    font-weight: 600;
    color: var(--color-primary);
}

.info-message {
    text-align: center;
    padding: 40px;
    color: var(--color-gray-500);
    font-size: 1.1rem;
}

/* PWA Install Button */
.install-pwa-btn:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
    transition: all 0.2s ease;
}

.install-pwa-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}