:root {
    --accent-color: #2196F3;
    --accent-color-rgb: 33, 150, 243;
    --primary-bg: #ffffff;
    --secondary-bg: #f5f5f5;
    --text-color: #333333;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
}

.version-info {
    position: fixed;
    bottom: 10px;
    right: 10px;
    font-size: 12px;
    color: #666;
}

h1 {
    color: #333;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.calculator-section {
    margin: 20px 0;
    padding: 20px;
    border: 1px solid #eee;
    border-radius: 5px;
}

/* BPM Calculator specific styles */
.bpm-inputs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    align-items: flex-end;
}

.bpm-input {
    display: flex;
    flex-direction: column;
}

.bpm-input input {
    padding: 5px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 100px;
}

.bpm-input button {
    padding: 5px 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #f5f5f5;
    cursor: pointer;
}

.bpm-input button:hover {
    background: #e5e5e5;
}

.bpm-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    table-layout: fixed;
}

.bpm-table th, .bpm-table td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: center;
}

.bpm-table th:first-child, 
.bpm-table td:first-child {
    width: 200px;
    text-align: left;
}

.bpm-table th {
    background-color: #f5f5f5;
}

/* Note value specific colors */
.quarter-note {
    background-color: #ffcdd2;  /* Light red */
}

.eighth-note {
    background-color: #c8e6c9;  /* Light green */
}

.sixteenth-note {
    background-color: #bbdefb;  /* Light blue */
}

.dotted-eighth {
    background-color: #fff9c4;  /* Light yellow */
}

.eighth-triplet {
    background-color: #e1bee7;  /* Light purple */
}

.sixteenth-triplet {
    background-color: #ffe0b2;  /* Light orange */
}

.close-match {
    opacity: 0.5;
}

.match-info {
    font-size: 14px;
    color: #666;
}

/* Transposition Calculator specific styles */
.transposition-controls {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    align-items: flex-end;
}

.transposition-input {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.transposition-input select,
.transposition-input input {
    padding: 5px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 100px;
}

.frequency-display {
    margin-top: 20px;
    padding: 15px;
    background-color: #f5f5f5;
    border-radius: 4px;
}

.frequency-display p {
    margin: 10px 0;
    font-size: 16px;
}

.frequency-display strong {
    font-size: 18px;
    color: #333;
}

/* File Size Calculator Styles */
#file-size-calculator {
    padding: 1rem;
}

#file-size-calculator h2 {
    margin-bottom: 1rem;
}

#file-size-calculator .calculator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    background: var(--secondary-bg);
    padding: 1rem;
    border-radius: 8px;
    max-width: 800px;
}

#file-size-calculator .inputs-column {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding-right: 1rem;
    border-right: 1px solid var(--border-color);
}

#file-size-calculator .input-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

#file-size-calculator .input-row label {
    width: 120px;
    font-weight: 500;
    color: var(--text-secondary);
}

#file-size-calculator .time-fields {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

#file-size-calculator .time-fields input {
    width: 45px;
    padding: 0.25rem;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #fff;
    -moz-appearance: textfield;
}

#file-size-calculator .time-fields input::-webkit-outer-spin-button,
#file-size-calculator .time-fields input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

#file-size-calculator .time-fields span {
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-right: 0.25rem;
    user-select: none;
}

#file-size-calculator select,
#file-size-calculator input[type="number"]:not(.time-fields input) {
    padding: 0.25rem 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #fff;
    color: var(--text-color);
    width: 120px;
}

#file-size-calculator select:focus,
#file-size-calculator input[type="number"]:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--accent-color-rgb), 0.1);
}

/* Add hover effect */
#file-size-calculator select:hover,
#file-size-calculator input[type="number"]:hover {
    border-color: #999;
}

#file-size-calculator .results-column {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-left: 1rem;
}

#file-size-calculator .size-result {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

#file-size-calculator .size-result label {
    color: var(--text-secondary);
    font-weight: 500;
}

#file-size-calculator .main-size {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--accent-color);
}

#file-size-calculator .format-sizes {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

#file-size-calculator .format-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    background: var(--primary-bg);
    border-radius: 4px;
}

#file-size-calculator .format-row label {
    font-weight: normal;
}

#file-size-calculator .format-row span {
    color: var(--accent-color);
}

@media (max-width: 768px) {
    #file-size-calculator .calculator-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    #file-size-calculator .inputs-column {
        padding-right: 0;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 1rem;
    }

    #file-size-calculator .results-column {
        padding-left: 0;
    }
}

/* Upload Time Calculator Styles */
#upload-time-calculator {
    padding: 1rem;
}

#upload-time-calculator h2 {
    margin-bottom: 1rem;
}

#upload-time-calculator .calculator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    background: var(--secondary-bg);
    padding: 1rem;
    border-radius: 8px;
    max-width: 800px;
}

#upload-time-calculator .inputs-column {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding-right: 1rem;
    border-right: 1px solid var(--border-color);
}

#upload-time-calculator .input-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    align-items: center;
    gap: 0.75rem;
}

#upload-time-calculator .input-row label {
    font-weight: 500;
    color: var(--text-secondary);
}

#upload-time-calculator .size-input,
#upload-time-calculator .speed-input {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#upload-time-calculator input[type="number"] {
    width: 80px;
    padding: 0.25rem 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #fff;
    color: var(--text-color);
    -moz-appearance: textfield;
}

#upload-time-calculator input[type="number"]::-webkit-outer-spin-button,
#upload-time-calculator input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

#upload-time-calculator select {
    padding: 0.25rem 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #fff;
    color: var(--text-color);
    width: 80px;
}

#upload-time-calculator .speed-input span {
    color: var(--text-secondary);
    user-select: none;
}

#upload-time-calculator select:focus,
#upload-time-calculator input[type="number"]:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--accent-color-rgb), 0.1);
}

#upload-time-calculator select:hover,
#upload-time-calculator input[type="number"]:hover {
    border-color: #999;
}

#upload-time-calculator .results-column {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-left: 1rem;
}

#upload-time-calculator .time-results {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

#upload-time-calculator .result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    background: var(--primary-bg);
    border-radius: 4px;
}

#upload-time-calculator .result-row label {
    font-weight: normal;
}

#upload-time-calculator .time-value {
    color: var(--accent-color);
}

@media (max-width: 768px) {
    #upload-time-calculator .calculator-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    #upload-time-calculator .inputs-column {
        padding-right: 0;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 1rem;
    }

    #upload-time-calculator .results-column {
        padding-left: 0;
    }
}

.main-result {
    font-size: 2em;
    font-weight: bold;
    color: var(--accent-color);
    display: block;
    margin-top: 0.5rem;
}

#file-size-calculator .results-column,
#upload-time-calculator .results-column {
    display: flex;
    flex-direction: column;
    padding-left: 1rem;
}

#file-size-calculator .size-result,
#upload-time-calculator .time-result {
    text-align: center;
    background: var(--primary-bg);
    padding: 1.5rem;
    border-radius: 8px;
}

#file-size-calculator .size-result label,
#upload-time-calculator .time-result label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 1.1em;
}

#transposition-calculator .transpose-result {
    text-align: left;
    background: var(--primary-bg);
    padding: 0.75rem 1rem;
    border-radius: 8px;
}

#transposition-calculator .result-group {
    margin-bottom: 0.4rem;
}

#transposition-calculator .result-group:last-child {
    margin-bottom: 0;
}

#transposition-calculator .result-group label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-bottom: 0.2rem;
}

#transposition-calculator .result-line {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

#transposition-calculator .note-name {
    font-size: 1.4em;
    font-weight: bold;
    color: var(--accent-color);
    min-width: 2.5em;
}

#transposition-calculator .frequency {
    font-size: 1em;
    color: var(--text-secondary);
}

#transposition-calculator select,
#transposition-calculator input[type="number"] {
    padding: 0.25rem 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #fff;
    color: var(--text-color);
    width: 120px;
}

#transposition-calculator .input-row {
    margin-bottom: 0.4rem;
}

#transposition-calculator .input-row:last-child {
    margin-bottom: 0;
}

#transposition-calculator .result-display {
    padding: 0.4rem 0;
}

#transposition-calculator .result-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.4rem;
}

#transposition-calculator .result-row:last-child {
    margin-bottom: 0;
}

#transposition-calculator .note-name {
    font-size: 1.2em;
    font-weight: bold;
    color: #0088ff;
    min-width: 2em;
}

#transposition-calculator .frequency {
    color: var(--text-secondary);
}

#transposition-calculator select,
#transposition-calculator input[type="number"] {
    padding: 0.25rem 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #fff;
    color: var(--text-color);
    width: 120px;
}

#transposition-calculator .input-row {
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
}

#transposition-calculator .input-row:last-child {
    margin-bottom: 0;
}

#transposition-calculator .input-row label {
    min-width: 100px;
}

#transposition-calculator .calculator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

#transposition-calculator .result-display {
    padding: 0.4rem 0;
}

.section-header {
    margin: 0;
    padding: 0;
}

.collapse-toggle {
    width: 100%;
    background: none;
    border: none;
    padding: 1rem;
    text-align: left;
    font-size: 1.5em;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: inherit;
}

.collapse-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.toggle-icon {
    font-size: 0.8em;
    transition: transform 0.2s ease;
}

.section-content {
    padding: 1rem;
    transition: height 0.3s ease-out;
    overflow: hidden;
}

.section-content.collapsed {
    display: none;
}

.app-layout {
    display: grid;
    grid-template-columns: 1fr 250px;
    min-height: 100vh;
    gap: 2rem;
}

.main-content {
    padding: 2rem;
    width: 100%;
}

.sidebar {
    background: var(--primary-bg);
    padding: 1rem;
    border-left: 1px solid #eee;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    margin-bottom: 0.5rem;
}

.sidebar-nav a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.sidebar-nav a:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.sidebar-nav a.active {
    background-color: var(--accent-color);
    color: white;
}

.calculator-section {
    margin-bottom: 3rem;
    scroll-margin-top: 2rem;
}

.calculator-section:last-child {
    margin-bottom: 0;
}

.calculator-section h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 1.5em;
}

/* Remove old collapse-related styles */
.section-header,
.collapse-toggle,
.toggle-icon,
.section-content.collapsed {
    all: unset;
}

.section-content {
    padding: 0;
}

.menu-toggle {
    display: none;
}

@media (max-width: 768px) {
    .app-layout {
        grid-template-columns: 1fr;
    }

    .menu-toggle {
        display: block;
        position: fixed;
        right: 1rem;
        top: 1rem;
        z-index: 1001;
        padding: 0.5rem;
        background: white;
        border: 1px solid #eee;
        border-radius: 4px;
        cursor: pointer;
    }

    .sidebar {
        position: fixed;
        right: 0;
        top: 0;
        width: 250px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 1000;
        background: white;
        box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
        border-left: none;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        padding: 1rem;
        padding-top: 4rem;
    }
}

#sync-calculator .input-group {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--primary-bg);
    border-radius: 6px;
}

#sync-calculator .input-group h3 {
    margin: 0 0 1rem 0;
    font-size: 1em;
    color: var(--text-secondary);
}

#sync-calculator input[type="text"] {
    font-family: monospace;
    width: 120px;
    padding: 0.25rem 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    text-align: center;
}

#sync-calculator input[type="text"]:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--accent-color-rgb), 0.1);
}

#sync-calculator .sync-results {
    padding: 1rem;
}

#sync-calculator .tempo-result {
    background: var(--primary-bg);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 6px;
    border-left: 3px solid var(--accent-color);
}

#sync-calculator .tempo-result:last-child {
    margin-bottom: 0;
}

#sync-calculator .tempo-result h3 {
    margin: 0 0 0.5rem 0;
    color: var(--accent-color);
}

#sync-calculator .tempo-result p {
    margin: 0.25rem 0;
    color: var(--text-secondary);
}

#sync-calculator .tempo-result canvas {
    width: 100%;
    height: auto;
    margin-top: 1rem;
    border-radius: 4px;
}

#sync-calculator button {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
}

#sync-calculator button:hover {
    background: var(--accent-color-dark);
}

.calculator-layout {
    display: flex;
    gap: 2rem;
    margin: 1rem 0;
}

.inputs-column {
    flex: 1;
    max-width: 400px;
}

.results-column {
    flex: 2;
}

.input-group {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f5f5f5;
    border-radius: 8px;
}

.input-group h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: #333;
    font-size: 1.1rem;
}

.timecode-grid {
    display: grid;
    gap: 0.5rem;
}

.grid-header, .grid-row {
    display: grid;
    grid-template-columns: 80px repeat(4, 1fr);
    gap: 0.5rem;
    align-items: center;
}

.grid-header span {
    font-weight: bold;
    text-align: center;
}

.tc-input {
    width: 100%;
    padding: 0.5rem;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: monospace;
}

.matrix-results {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.beat-matrix, .offset-matrix {
    background: #f5f5f5;
    padding: 1rem;
    border-radius: 8px;
}

.beat-matrix h4, .offset-matrix h4 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: #333;
}

#beatMatrix, #offsetMatrix {
    overflow-x: auto;
    font-family: monospace;
}

/* Matrix table styles */
.matrix-table {
    border-collapse: collapse;
    width: 100%;
    background: white;
}

.matrix-table th, .matrix-table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center;
}

.matrix-table th {
    background-color: #f0f0f0;
    font-weight: bold;
}

/* Frame offset colors */
.offset-perfect { background-color: #90EE90; }
.offset-good { background-color: #FFB6C1; }
.offset-warning { background-color: #FFE4B5; }

/* Button styles */
button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    width: 100%;
}

button:hover {
    background-color: #45a049;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .calculator-layout {
        flex-direction: column;
    }
    
    .inputs-column {
        max-width: none;
    }
}

.input-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.input-row label {
    min-width: 80px;
    font-weight: bold;
}

.timecode-input {
    flex: 1;
    padding: 0.5rem;
    font-family: monospace;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

.timecode-input::placeholder {
    color: #aaa;
}

.timecode-input:focus {
    outline: none;
    border-color: #4CAF50;
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

/* Tempo suggestion styling */
.tempo-suggestion {
    background-color: #e3f2fd;
    border: 1px solid #90caf9;
    border-radius: 4px;
    padding: 10px;
    margin: 10px 0;
    text-align: center;
    font-weight: bold;
    color: #1976d2;
}

/* Best tempo row highlighting */
.best-tempo {
    background-color: #e8f5e9;
    border-left: 4px solid #4caf50;
}

.best-tempo td {
    font-weight: bold;
}

.sync-message {
    margin-bottom: 1rem;
    padding: 0.5rem;
    border-radius: 4px;
    background-color: #f5f5f5;
    color: #333;
    font-size: 0.9rem;
    min-height: 1.5rem;
}

.optional-sync-point {
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.optional-sync-point:hover,
.optional-sync-point:focus-within {
    opacity: 1;
}

.optional-sync-point input:not(:placeholder-shown) {
    opacity: 1;
}

.measure-grid-container {
    margin-top: 2rem;
    padding: 1rem;
    background: #f8f8f8;
    border-radius: 4px;
}

.measure-grid-controls {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.measure-grid-scroll {
    margin-bottom: 1rem;
    padding: 0.5rem 0;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    width: 100%;
}

.measure-grid {
    position: relative;
    height: 60px;
    width: 100%;
}

.measure {
    position: absolute;
    height: 100%;
    border-left: 1px solid #ddd;
}

.measure:last-child {
    border-right: 1px solid #ddd;
}

.measure-number {
    position: absolute;
    top: 2px;
    left: 2px;
    font-size: 0.7rem;
    color: #999;
}

.beat-line {
    position: absolute;
    height: 100%;
    border-left: 1px dotted #ddd;
    width: 1px;
}

.sync-point {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    top: 50%;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.sync-point:hover {
    transform: translate(-50%, -50%) scale(1.5);
    z-index: 2;
}

.measure-grid-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.5rem;
    background: white;
    border-radius: 4px;
    font-size: 0.8rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.legend-color {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

/* Sync point colors */
.sp1 { background: #FF5733; }
.sp2 { background: #33FF57; }
.sp3 { background: #3357FF; }
.sp4 { background: #FF33F5; }
.sp5 { background: #33FFF5; }
.sp6 { background: #F5FF33; }

/* Tooltip styles */
.sync-point-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.7rem;
    pointer-events: none;
    z-index: 1000;
    transform: translateY(-100%);
    margin-top: -4px;
    white-space: nowrap;
}