@import url(https://fonts.googleapis.com/css?family=Merriweather:400,700);

body {
    font-family: 'Merriweather', 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    background-color: #030711;
    color: #f8fafc;
    min-height: 100vh;
}

a {
    color: #38bdf8;
}

.page-header {
    text-align: center;
    padding: 20px 16px 0;
}

.page-header h1 {
    margin: 0;
    font-size: 1.8rem;
    letter-spacing: 0.02em;
}

.page-header p {
    margin: 8px auto 0;
    max-width: 640px;
    color: #cbd5f5;
    font-size: 0.95rem;
}

.app-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

#tracker-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

#tracker-controls {
    padding: 20px;
    background-color: rgba(15, 23, 42, 0.85);
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

#tracker-visual {
    width: 100%;
    background-color: rgba(15, 18, 30, 0.92);
    border-radius: 16px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

#tracker-parent {
    padding: 12px;
    background-color: rgba(4, 8, 15, 0.7);
    border-radius: 12px;
    overflow-x: auto;
}

#tracker-table {
    max-width: 100%;
    table-layout: auto;
}

/* Track options popover menu */
.tracker-action-cell { position: relative; }
.track-options-menu {
    display: none;
    position: absolute;
    top: 28px;
    right: 4px;
    background-color: rgba(15, 18, 30, 0.98);
    border: 1px solid rgba(148, 163, 184, 0.4);
    color: #f8fafc;
    border-radius: 6px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.4);
    z-index: 5;
    padding: 4px;
    min-width: 120px;
}
.track-options-sep {
    border: 0;
    border-top: 1px solid rgba(148, 163, 184, 0.25);
    margin: 4px 0;
}
.track-options-item {
    display: block;
    width: 100%;
    text-align: left;
    background: transparent;
    color: inherit;
    border: none;
    padding: 6px 8px;
    cursor: pointer;
}
.track-options-item:hover { background: rgba(56, 189, 248, 0.15); }
.tracker-action-cell.show-options .track-options-menu { display: block; }

/* Muted row visual */
.tracker-row.row-muted .tracker-first-cell,
.tracker-row.row-muted .tracker-cell,
.tracker-row.row-muted .tracker-action-cell {
    opacity: 0.45;
}

#advanced-panels {
    margin-top: 20px;
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.transport-panel {
    display: flex;
    gap: 8px;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: wrap;
}

.icon-btn {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.inline-panel {
    margin: 0;
}

.transport-panel .icon-btn {
    flex: 0 0 auto;
    padding: 6px 10px;
    font-size: 0.82rem;
}

.transport-inline-controls {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-left: auto;
    flex-wrap: wrap;
}

.tempo-control {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 180px;
}

.tempo-slider {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tempo-slider input[type="range"] {
    width: 140px;
}

.tempo-slider span {
    font-size: 0.85rem;
    color: #cbd5f5;
    min-width: 60px;
}

.measure-length-controls {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
}

.measure-length-inputs {
    display: flex;
    gap: 6px;
    align-items: center;
}

.measure-length-inputs select,
.measure-length-inputs input {
    width: 72px;
    min-width: 0;
}

.measure-length-inputs select {
    background-color: rgba(15, 18, 30, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.4);
    color: #f8fafc;
    border-radius: 6px;
    height: 28px;
}

.measure-length-inputs input {
    text-align: center;
    color: #f8fafc;
    background-color: rgba(15, 18, 30, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.4);
}

@media (max-width: 640px) {
    .measure-length-controls {
        flex-wrap: wrap;
        justify-content: flex-end;
    }
}

.tracker-cell,
.tracker-first-cell,
.tracker-cell-header {
    height: 20px;
    min-width: 20px;
    border: 1px solid rgba(56, 189, 248, 0.4);
    background: rgba(15, 23, 42, 0.7);
    font-size: 75%;
    padding: 2px;
    color: #f8fafc;
}

.tracker-cell {
    position: relative;
}

.tracker-first-cell {
    min-width: 120px;
    max-width: 160px;
    padding-right: 8px;
}

.track-label {
    font-weight: 600;
    font-size: 0.85rem;
}

.track-actions {
    display: inline-flex;
    gap: 4px;
    justify-content: center;
    flex-wrap: wrap;
}

.tracker-action-cell {
    width: 110px;
    text-align: center;
    border-left: 1px solid rgba(56, 189, 248, 0.2);
}

.tracker-action-header,
.pulse-action-spacer {
    border: none;
    background: transparent;
}

.track-action-btn {
    border: 1px solid rgba(56, 189, 248, 0.4);
    background: rgba(15, 23, 42, 0.9);
    color: #f8fafc;
    border-radius: 4px;
    width: 22px;
    height: 22px;
    font-size: 0.7rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
}

.track-action-btn:hover {
    background: rgba(56, 189, 248, 0.2);
}

.tracker-enabled {
    color: #0f172a;
}

.tracker-enabled::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    right: 4px;
    bottom: 4px;
    background: #f97316;
    border-radius: 999px;
}

.tracker-current {
    background: #38bdf8;
    color: #0f172a;
}

.pulse-step {
    height: 20px;
    min-width: 20px;
    border: 1px solid rgba(56, 189, 248, 0.4);
    background: #38bdf8;
    padding: 2px;
    pointer-events: none;
    user-select: none;
}

.pulse-label {
    font-weight: bold;
}

.pulse-row {
    display: none;
}

#app-message {
    position: fixed;
    top: 10px;
    left: 10px;
    background-color: #f97316;
    margin: 10px;
    padding: 10px;
    display: none;
    color: #0f172a;
    border-radius: 6px;
}

#tracker-controls select,
#tracker-controls input[type="number"],
#tracker-controls input[type="text"],
#tracker-controls input[type="range"] {
    width: 100%;
}

.control-panel-row {
    display: flex;
    gap: 20px;
    flex-wrap: nowrap;
}

.control-panel-row > .control-panel {
    flex: 1 1 0;
    min-width: 0;
}

@media (max-width: 1000px) {
    .control-panel-row {
        flex-wrap: wrap;
    }
}

.control-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.control-panel {
    background-color: rgba(15, 18, 30, 0.8);
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: 16px;
    border-radius: 10px;
    box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.05);
}

.primary-panel {
    border-color: rgba(56, 189, 248, 0.45);
    box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.25);
}

.control-panel h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 1rem;
    color: #e2e8f0;
}

.control-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.control-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    align-items: center;
}

.control-grid .field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.slider-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.slider-grid .field input[type="range"],
.slider-grid .field input[type="number"] {
    width: 100%;
}

.slider-grid .checkbox-field {
    flex-direction: row;
    align-items: center;
}

.slider-grid .checkbox-field .inline-checkbox {
    width: 100%;
}

/* Compact layout - single row with inline labels */
.control-grid.compact {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 12px;
    align-items: flex-end;
}

.control-grid.compact .field {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.control-grid.compact .field label {
    margin: 0;
    flex-shrink: 0;
}

.control-grid.compact .field select,
.control-grid.compact .field input[type="number"] {
    width: auto;
    min-width: 80px;
}

.control-grid.compact .field input[type="range"] {
    width: 200px;
}

#tracker-controls .control-grid.compact .field select,
#tracker-controls .control-grid.compact .field input[type="number"],
#tracker-controls .control-grid.compact .field input[type="text"],
#tracker-controls .control-grid.compact .field input[type="range"] {
    width: auto;
}

#tracker-controls .control-grid.compact .field input[type="range"] {
    width: 200px;
}

/* Allow wrapping on small screens */
@media (max-width: 900px) {
    .control-grid.compact {
        flex-wrap: wrap;
    }
}

.preset-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.preset-controls select {
    min-width: 180px;
}

.inline-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.panel-hint {
    margin-top: 10px;
    font-size: 0.85em;
    color: #cbd5f5;
}

.panel-hint.small {
    font-size: 0.78em;
    opacity: 0.85;
}

.storage-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.storage-actions {
    justify-content: space-between;
}

.storage-actions button {
    flex: 1 1 auto;
}

.storage-row {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
}

.share-panel button,
.control-row button,
.preset-controls button,
.pattern-actions button,
.import-panel button,
.export-pattern-actions button,
.transport-panel .icon-btn {
    background: linear-gradient(135deg, #38bdf8, #2563eb);
    border: none;
    color: #0b0f1a;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 999px;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.share-panel button:hover,
.control-row button:hover,
.preset-controls button:hover,
.pattern-actions button:hover,
.import-panel button:hover,
.export-pattern-actions button:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.35);
}

.control-row button {
    flex: 1 1 30%;
}

button.full-width {
    width: 100%;
}

.pattern-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.pattern-actions button {
    flex: 1 1 160px;
}

.legacy-storage {
    display: none;
}

#export-pattern-panel {
    margin: 0;
    background-color: rgba(15, 23, 42, 0.9);
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: 12px 18px;
    color: #f8fafc;
}

.export-pattern-content {
    margin-top: 10px;
}

.export-pattern-output {
    width: 100%;
    min-height: 260px;
    font-family: "Courier New", Courier, monospace;
    white-space: pre;
    padding: 10px;
    box-sizing: border-box;
    background-color: rgba(2, 6, 23, 0.9);
    color: #f8fafc;
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 8px;
    resize: vertical;
}

.export-pattern-actions {
    margin-top: 10px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.export-btn {
    flex-shrink: 0;
}

.export-btn.loading {
    opacity: 0.6;
    pointer-events: none;
}

.export-status {
    margin-top: 8px;
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    display: none;
}

.export-status:not(:empty) {
    display: block;
}

.export-status.success {
    background-color: rgba(34, 197, 94, 0.2);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.4);
}

.export-status.error {
    background-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.export-status:not(.success):not(.error) {
    background-color: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.4);
}

@media (max-width: 960px) {
    #tracker-container {
        flex-direction: column;
    }

    #tracker-controls {
        max-width: 100%;
    }

    #tracker-visual {
        width: 100%;
    }
}

/* --- Compact Embed Mode -------------------------------------------------- */
.embedded .page-header { display: none; }
.embedded .app-wrapper { padding: 8px; }
.embedded #tracker-container { gap: 12px; }
.embedded #tracker-controls { padding: 12px; gap: 12px; }
.embedded #tracker-visual { padding: 10px; gap: 10px; }
.embedded #tracker-parent { padding: 8px; }
.embedded .control-panel { padding: 10px; }
.embedded .transport-panel .icon-btn { padding: 4px 8px; font-size: 0.8rem; }
.embedded .preset-controls select,
.embedded input[type="number"],
.embedded input[type="range"],
.embedded select,
.embedded button { font-size: 0.85rem; }
.embedded #export-pattern-panel { padding: 8px 12px; }
.embedded .export-pattern-output { min-height: 180px; font-size: 0.9rem; }
.embedded .control-grid.compact { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.embedded .control-grid.compact .field { min-width: 0; }
.embedded .control-grid.compact input,
.embedded .control-grid.compact select,
.embedded .control-grid.compact label { font-size: 0.9rem; }

/* Euclidean Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 12px;
    padding: 24px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.modal-content h3 {
    margin-top: 0;
    color: #f8fafc;
    font-size: 1.3rem;
}

.modal-content p {
    color: #cbd5e1;
    margin: 8px 0 16px;
}

.euclidean-inputs {
    display: flex;
    gap: 16px;
    margin: 16px 0;
}

.euclidean-inputs label {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: #cbd5e1;
    font-size: 0.95rem;
}

.euclidean-inputs input {
    padding: 8px;
    border-radius: 6px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    background-color: rgba(30, 41, 59, 0.5);
    color: #f8fafc;
    font-size: 16px;
}

.euclidean-inputs input:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.6);
    background-color: rgba(30, 41, 59, 0.7);
}

.euclidean-inputs input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: rgba(30, 41, 59, 0.3);
}

.euclidean-presets {
    margin: 16px 0;
}

.euclidean-presets p {
    color: #cbd5e1;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.preset-btn {
    margin: 4px;
    padding: 6px 12px;
    background-color: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.4);
    border-radius: 6px;
    color: #93c5fd;
    cursor: pointer;
    font-family: monospace;
    font-size: 0.95rem;
}

.preset-btn:hover {
    background-color: rgba(59, 130, 246, 0.3);
    border-color: rgba(59, 130, 246, 0.6);
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 20px;
}

.modal-actions button {
    padding: 8px 20px;
    border-radius: 6px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    background-color: rgba(59, 130, 246, 0.2);
    color: #f8fafc;
    cursor: pointer;
    font-size: 0.95rem;
}

.modal-actions button:hover {
    background-color: rgba(59, 130, 246, 0.3);
    border-color: rgba(59, 130, 246, 0.5);
}

.modal-actions button#euclidean-apply {
    background-color: rgba(59, 130, 246, 0.4);
    border-color: rgba(59, 130, 246, 0.6);
}

.modal-actions button#euclidean-apply:hover {
    background-color: rgba(59, 130, 246, 0.5);
}

/* Necklace/Circle View Modal */
.necklace-modal-content {
    max-width: 90vw;
    max-height: 90vh;
    width: auto;
    display: flex;
    flex-direction: column;
}

.necklace-header {
    position: relative;
    margin-bottom: 16px;
    padding-right: 40px;
}

.necklace-header h3 {
    margin: 0 0 8px 0;
    color: #f8fafc;
    font-size: 1.5rem;
}

.necklace-header p {
    margin: 0;
    color: #cbd5e1;
    font-size: 0.95rem;
    line-height: 1.5;
}

.close-btn {
    position: absolute;
    top: 0;
    right: 0;
    background: none;
    border: none;
    color: #cbd5e1;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
}

.close-btn:hover {
    background-color: rgba(148, 163, 184, 0.2);
    color: #f8fafc;
}

.necklace-canvas-container {
    flex: 1;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(3, 7, 17, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: 20px;
}

#necklace-canvas {
    display: block;
    max-width: 100%;
    max-height: 100%;
}

.necklace-controls {
    margin-top: 16px;
    padding: 16px;
    background-color: rgba(3, 7, 17, 0.3);
    border-radius: 8px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.necklace-track-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 200px;
}

.necklace-track-selector label {
    color: #cbd5e1;
    font-size: 0.95rem;
    white-space: nowrap;
}

.necklace-track-selector select {
    flex: 1;
    padding: 8px 12px;
    background-color: rgba(3, 7, 17, 0.8);
    color: #f8fafc;
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 4px;
    font-size: 0.95rem;
    cursor: pointer;
}

.necklace-track-selector select:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.5);
}

.necklace-rotation-buttons {
    display: flex;
    gap: 8px;
}

.rotation-btn {
    padding: 8px 16px;
    background-color: rgba(148, 163, 184, 0.1);
    color: #cbd5e1;
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s, border-color 0.2s;
}

.rotation-btn:hover:not(:disabled) {
    background-color: rgba(148, 163, 184, 0.2);
    border-color: rgba(148, 163, 184, 0.5);
}

.rotation-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.necklace-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.necklace-hint {
    margin: 0;
    color: #94a3b8;
    font-size: 0.9rem;
    font-style: italic;
    line-height: 1.5;
}