/**
 * Terrain Synth Styles
 */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&family=Inter:wght@400;500;600&display=swap');

/* CSS Variables */
:root {
    --bg: #0a0a0a;
    --surface: #141414;
    --surface-2: #1a1a1a;
    --surface-3: #222;
    --border: #2a2a2a;
    --border-light: #333;
    --text: #e0e0e0;
    --text-dim: #666;
    --accent: #00d4aa;
    --accent-dim: rgba(0, 212, 170, 0.12);
    --red: #ff6b6b;
    --orange: #ffa94d;
    --blue: #74c0fc;
    --purple: #b197fc;
    --yellow: #ffe066;
    --pink: #f783ac;
    --green: #69db7c;
}

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

/* Base */
body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    height: 100vh;
    overflow: hidden;
    font-size: 13px;
}

/* App Layout */
.app {
    display: grid;
    grid-template-columns: 1fr 320px;
    grid-template-rows: auto 1fr auto;
    height: 100vh;
}

/* Header */
.header {
    grid-column: 1/-1;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent);
}

.header-info {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.header-info span {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text);
}

.map-style-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.map-style-controls label {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.map-style-controls select {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    cursor: pointer;
}

.map-style-controls select:hover {
    border-color: var(--accent);
}

/* Map */
#map {
    width: 100%;
    height: 100%;
}

.mapboxgl-canvas {
    cursor: crosshair !important;
}

/* Side Panel */
.panel {
    background: var(--surface);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Modes Grid */
.modes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    padding: 10px;
    border-bottom: 1px solid var(--border);
    max-height: 200px;
    overflow-y: auto;
}

.mode-btn {
    position: relative;
    padding: 8px 4px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-dim);
    font-size: 0.6rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
}

.mode-btn:hover {
    border-color: var(--accent);
    color: var(--text);
}

.mode-btn.active {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--text);
}

.mode-btn .icon {
    font-size: 1rem;
    margin-bottom: 2px;
}

/* Floating Mode Options Panel - Click-to-toggle design */
.mode-options-panel {
    position: fixed;
    background: var(--surface-2);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 0;
    width: 240px;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    display: none;
}

.mode-options-panel.visible {
    display: block;
}

.mode-options-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

.mode-options-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

.mode-options-close {
    width: 20px;
    height: 20px;
    border: none;
    background: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.8rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mode-options-close:hover {
    background: var(--border);
    color: var(--text);
}

.mode-options-content {
    padding: 12px;
}

.mode-options-panel .generate-btn {
    margin: 0 12px 12px;
    width: calc(100% - 24px);
}

/* Option Rows */
.opt-row {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    gap: 8px;
}

.opt-row label {
    font-size: 0.65rem;
    color: var(--text-dim);
    width: 70px;
    flex-shrink: 0;
}

.opt-row input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border);
    height: 4px;
    border-radius: 2px;
}

.opt-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
}

.opt-row select {
    flex: 1;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 0.65rem;
}

.opt-row input[type="number"] {
    width: 60px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 4px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
}

.opt-row .val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: var(--accent);
    width: 55px;
    text-align: right;
}

/* Option Sections */
.opt-section {
    margin-bottom: 12px;
}

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

.opt-section-title {
    font-size: 0.55rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
}

.generate-btn {
    width: 100%;
    padding: 8px;
    background: var(--accent);
    border: none;
    border-radius: 5px;
    color: var(--bg);
    font-weight: 600;
    font-size: 0.7rem;
    cursor: pointer;
    transition: filter 0.15s;
}

.generate-btn:hover {
    filter: brightness(1.1);
}

.generate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Clip Bank */
.clip-bank {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.clip-card {
    position: relative;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 6px;
    cursor: grab;
    transition: all 0.15s;
}

.clip-card:hover {
    border-color: var(--accent);
}

.clip-card.dragging {
    opacity: 0.5;
}

/* Mobile: selected for tap-to-place */
.clip-card.selected-for-placement {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent), 0 0 12px rgba(0, 212, 170, 0.3);
    background: var(--accent-dim);
}

.clip-header {
    display: flex;
    align-items: center;
    padding: 6px 8px;
    gap: 6px;
}

.clip-color {
    width: 8px;
    height: 8px;
    border-radius: 2px;
    flex-shrink: 0;
}

.clip-name {
    flex: 1;
    font-size: 0.7rem;
    font-weight: 500;
}

.clip-meta {
    font-size: 0.55rem;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
}

.clip-btn {
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 3px;
    background: var(--bg);
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.clip-btn:hover {
    background: var(--border);
    color: var(--text);
}

.clip-btn.delete:hover {
    background: rgba(255, 107, 107, 0.2);
    color: var(--red);
}

.clip-waveform {
    height: 32px;
    margin: 0 8px 6px;
    background: var(--bg);
    border-radius: 3px;
    overflow: hidden;
}

.clip-waveform canvas {
    width: 100%;
    height: 100%;
}

.empty-bank {
    text-align: center;
    padding: 25px 14px;
    color: var(--text-dim);
    font-size: 0.7rem;
    line-height: 1.5;
}

/* Sequencer */
.sequencer {
    grid-column: 1/-1;
    background: var(--surface);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: height 0.2s ease;
}

.sequencer.collapsed {
    height: 34px !important;
}

.seq-header {
    display: flex;
    align-items: center;
    padding: 5px 12px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
    flex-shrink: 0;
    background: var(--surface-2);
}

.seq-toggle {
    width: 18px;
    height: 18px;
    border: none;
    background: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.65rem;
}

.seq-toggle:hover {
    color: var(--text);
}

.seq-title {
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
}

/* Sequencer Tools */
.seq-tools {
    display: flex;
    gap: 2px;
    background: var(--bg);
    padding: 2px;
    border-radius: 4px;
    margin-left: 12px;
}

.seq-tool-btn {
    width: 26px;
    height: 22px;
    border: none;
    background: transparent;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.75rem;
    border-radius: 3px;
    transition: all 0.15s;
}

.seq-tool-btn:hover {
    background: var(--border);
    color: var(--text);
}

.seq-tool-btn.active {
    background: var(--accent-dim);
    color: var(--accent);
}

/* Sequencer Zoom */
.seq-zoom {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 12px;
}

.seq-zoom-btn {
    width: 22px;
    height: 22px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    cursor: pointer;
    font-size: 0.9rem;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.seq-zoom-btn:hover {
    background: var(--border);
}

.seq-zoom-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: var(--text-dim);
    min-width: 36px;
    text-align: center;
}

.seq-info {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-dim);
    display: flex;
    gap: 10px;
    align-items: center;
    margin-left: auto;
}

.seq-info input {
    width: 40px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 2px 4px;
    border-radius: 3px;
    font-family: inherit;
    font-size: inherit;
}

.seq-transport {
    display: flex;
    gap: 5px;
    margin-left: auto;
    align-items: center;
}

.transport-btn {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 5px;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.play-btn {
    background: var(--accent);
    color: var(--bg);
}

.play-btn:hover {
    filter: brightness(1.1);
}

.stop-btn,
.export-btn {
    background: var(--surface-3);
    color: var(--text);
    border: 1px solid var(--border);
}

.stop-btn:hover,
.export-btn:hover {
    background: var(--border);
}

.seq-body {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.sequencer.collapsed .seq-body {
    display: none;
}

.timeline-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.timeline-ruler {
    height: 20px;
    background: var(--surface-3);
    border-bottom: 1px solid var(--border);
    margin-left: 90px;
    position: relative;
}

.timeline-ruler canvas {
    width: 100%;
    height: 100%;
}

.tracks-scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Tracks */
.seq-track {
    display: flex;
    height: 52px;
    border-bottom: 1px solid var(--border);
}

.seq-track-header {
    width: 90px;
    flex-shrink: 0;
    background: var(--surface-2);
    border-right: 1px solid var(--border);
    padding: 6px 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.seq-track-name {
    font-size: 0.65rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.seq-track-ctrls {
    display: flex;
    gap: 3px;
}

.seq-track-btn {
    width: 18px;
    height: 18px;
    border: none;
    border-radius: 3px;
    background: var(--bg);
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.55rem;
    font-weight: 600;
    transition: all 0.15s;
}

.seq-track-btn:hover {
    color: var(--text);
}

.seq-track-btn.active {
    background: var(--accent-dim);
    color: var(--accent);
}

.seq-track-btn.solo.active {
    background: rgba(255, 230, 102, 0.15);
    color: var(--yellow);
}

/* Track Lane */
.seq-track-lane {
    flex: 1;
    background: var(--bg);
    position: relative;
    overflow: hidden;
}

.seq-track-lane.drag-over {
    background: var(--accent-dim);
}

/* Sequence Clips */
.seq-clip {
    position: absolute;
    top: 4px;
    bottom: 4px;
    border-radius: 4px;
    cursor: move;
    overflow: hidden;
    display: flex;
    align-items: center;
    font-size: 0.6rem;
    font-weight: 500;
    user-select: none;
    transition: box-shadow 0.15s;
}

.seq-clip.selected {
    box-shadow: 0 0 0 2px var(--accent);
}

.seq-clip.dragging {
    opacity: 0.8;
    z-index: 10;
}

.seq-clip canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.35;
}

.seq-clip-name {
    position: relative;
    z-index: 1;
    padding: 0 6px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Resize Handles */
.seq-clip .handle {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 8px;
    cursor: ew-resize;
    z-index: 2;
    transition: background 0.15s;
}

.seq-clip .handle-left {
    left: 0;
    border-radius: 4px 0 0 4px;
}

.seq-clip .handle-right {
    right: 0;
    border-radius: 0 4px 4px 0;
}

.seq-clip .handle:hover {
    background: rgba(255, 255, 255, 0.25);
}

.empty-lane {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 0.6rem;
    pointer-events: none;
    opacity: 0.4;
}

/* Playhead */
.playhead {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--red);
    pointer-events: none;
    z-index: 10;
}

.playhead::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -4px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--red);
}

/* Add Track Button */
.add-track-btn {
    height: 30px;
    border: 1px dashed var(--border);
    background: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.65rem;
    margin: 6px 8px;
    border-radius: 4px;
    transition: all 0.15s;
}

.add-track-btn:hover {
    border-color: var(--accent);
    color: var(--text);
}

/* Context Menu */
.context-menu {
    position: fixed;
    background: var(--surface-2);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 4px 0;
    min-width: 140px;
    z-index: 2000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    display: none;
}

.context-menu.visible {
    display: block;
}

.context-menu-item {
    padding: 6px 12px;
    font-size: 0.7rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.15s;
}

.context-menu-item:hover {
    background: var(--accent-dim);
}

.context-menu-item .shortcut {
    font-size: 0.55rem;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
}

.context-menu-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.modal-overlay.hidden {
    display: none;
}

.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    max-width: 360px;
    width: 90%;
}

.modal h2 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.modal p {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 16px;
    line-height: 1.5;
}

.modal a {
    color: var(--accent);
}

.modal input[type="text"] {
    width: 100%;
    padding: 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 14px;
}

.modal button {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    border: none;
    border-radius: 6px;
    color: var(--bg);
    font-weight: 600;
    cursor: pointer;
    transition: filter 0.15s;
}

.modal button:hover {
    filter: brightness(1.1);
}

/* Drawing Indicator */
.drawing-indicator {
    position: fixed;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg);
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 100;
    display: none;
    box-shadow: 0 4px 12px rgba(0, 212, 170, 0.3);
}

.drawing-indicator.active {
    display: block;
}

/* Generation Indicator - Improved visibility */
.generating-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--surface-2);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 20px 28px;
    z-index: 2500;
    display: none;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    text-align: center;
    min-width: 200px;
}

.generating-indicator.active {
    display: block;
}

.generating-indicator .gen-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 12px;
}

.generating-indicator .gen-mode-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.generating-indicator .gen-progress-text {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.generating-indicator .gen-progress-bar {
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    margin-top: 10px;
    overflow: hidden;
}

.generating-indicator .gen-progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s ease;
}

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

/* Generating Overlay - Fullscreen version */
.generating-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2500;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}

.generating-overlay.active {
    opacity: 1;
    visibility: visible;
}

.generating-modal {
    background: var(--surface-2);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 24px 32px;
    text-align: center;
    min-width: 220px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.generating-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 14px;
}

.generating-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.generating-status {
    font-size: 0.7rem;
    color: var(--text-dim);
}

/* Status Toast - More visible */
.status-toast {
    position: fixed;
    bottom: 220px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface-2);
    border: 1px solid var(--border-light);
    padding: 8px 18px;
    border-radius: 6px;
    font-size: 0.75rem;
    z-index: 100;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.status-toast.visible {
    opacity: 1;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* ===========================================
   MOBILE RESPONSIVE STYLES
   =========================================== */

/* Mobile Tab Bar - Hidden on desktop */
.mobile-tab-bar {
    display: none;
}

@media (max-width: 768px) {

    /* Reorganize grid layout for mobile */
    .app {
        display: flex;
        flex-direction: column;
        height: 100vh;
        height: 100dvh;
        /* Dynamic viewport height for mobile browsers */
    }

    /* Simplified header */
    .header {
        padding: 8px 12px;
        gap: 12px;
        flex-shrink: 0;
    }

    .header-info {
        display: none;
        /* Hide coordinates on mobile */
    }

    .map-style-controls {
        margin-left: auto;
    }

    .map-style-controls label {
        display: none;
    }

    /* Map takes most of the screen */
    #map {
        flex: 1;
        min-height: 0;
        /* Allow flex shrinking */
    }

    /* Side panel becomes a bottom sheet */
    .panel {
        position: fixed;
        bottom: 60px;
        /* Above tab bar */
        left: 0;
        right: 0;
        max-height: 45vh;
        border-left: none;
        border-top: 1px solid var(--border);
        border-radius: 16px 16px 0 0;
        z-index: 100;
        transform: translateY(100%);
        transition: transform 0.3s ease;
        overflow: hidden;
    }

    .panel.mobile-visible {
        transform: translateY(0);
    }

    /* Panel sections as tabs */
    .panel[data-mobile-tab="modes"] .modes-grid {
        display: grid;
    }

    .panel[data-mobile-tab="modes"] .clip-bank,
    .panel[data-mobile-tab="modes"] .panel-header:nth-of-type(2) {
        display: none;
    }

    .panel[data-mobile-tab="clips"] .modes-grid,
    .panel[data-mobile-tab="clips"] .panel-header:first-of-type {
        display: none;
    }

    .panel[data-mobile-tab="clips"] .clip-bank {
        display: block;
    }

    /* Default: show modes */
    .panel:not([data-mobile-tab]) .clip-bank,
    .panel:not([data-mobile-tab]) .panel-header:nth-of-type(2) {
        display: none;
    }

    /* Modes grid - 2 columns on mobile */
    .modes-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        padding: 12px;
    }

    .mode-btn {
        padding: 12px 8px;
        font-size: 0.7rem;
    }

    .mode-btn .icon {
        font-size: 1.2rem;
    }

    /* Clip bank adjustments */
    .clip-bank {
        max-height: calc(45vh - 50px);
        overflow-y: auto;
    }

    .clip-card {
        margin-bottom: 8px;
    }

    .clip-btn {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }

    /* Sequencer as bottom sheet */
    .sequencer {
        position: fixed;
        bottom: 60px;
        left: 0;
        right: 0;
        height: auto !important;
        max-height: 50vh;
        border-radius: 16px 16px 0 0;
        z-index: 100;
        transform: translateY(100%);
        transition: transform 0.3s ease;
    }

    .sequencer.mobile-visible {
        transform: translateY(0);
    }

    .sequencer.collapsed {
        height: auto !important;
    }

    /* Simplified sequencer header for mobile */
    .seq-header {
        flex-wrap: wrap;
        padding: 10px 12px;
        gap: 8px;
    }

    .seq-tools {
        margin-left: 0;
    }

    .seq-zoom {
        margin-left: 0;
    }

    .seq-info {
        margin-left: 0;
        width: 100%;
        justify-content: center;
    }

    .seq-transport {
        margin-left: 0;
    }

    /* Larger touch targets for transport */
    .transport-btn {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }

    /* Sequencer body */
    .seq-body {
        max-height: calc(50vh - 80px);
        overflow-y: auto;
    }

    .timeline-ruler {
        margin-left: 70px;
    }

    .seq-track-header {
        width: 70px;
        padding: 4px 6px;
    }

    .seq-track-name {
        font-size: 0.6rem;
    }

    /* Mobile Tab Bar */
    .mobile-tab-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 60px;
        background: var(--surface);
        border-top: 1px solid var(--border);
        z-index: 200;
        padding: 0 16px;
        padding-bottom: env(safe-area-inset-bottom, 0);
    }

    .mobile-tab {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        font-size: 1.5rem;
        color: var(--text-dim);
        cursor: pointer;
        transition: all 0.15s;
        -webkit-tap-highlight-color: transparent;
    }

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

    .mobile-tab.active {
        color: var(--accent);
    }

    /* Mode options panel adjustments */
    .mode-options-panel {
        position: fixed;
        bottom: 120px;
        left: 50%;
        transform: translateX(-50%);
        width: calc(100% - 32px);
        max-width: 320px;
        /* NOTE: Do NOT set display here - it breaks the visibility toggle */
    }

    .mode-options-panel.visible {
        display: flex !important;
        flex-direction: column;
        max-height: calc(100vh - 200px);
    }

    .mode-options-content {
        flex: 1;
        overflow-y: auto;
        max-height: calc(100vh - 320px);
        /* Leave room for header and button */
        -webkit-overflow-scrolling: touch;
    }

    .mode-options-panel .generate-btn {
        flex-shrink: 0;
        /* Prevent button from shrinking */
        margin: 12px;
    }

    /* Context menu */
    .context-menu {
        bottom: 80px;
        top: auto !important;
    }

    /* Status toast positioning */
    .status-toast {
        bottom: 130px;
    }

    /* Drawing indicator */
    .drawing-indicator {
        top: auto;
        bottom: 130px;
    }

    /* Hide sequencer tab on mobile - drag/drop doesn't work on touch */
    .mobile-tab[data-tab="sequencer"] {
        display: none !important;
    }

    /* Fix parameter inputs for iPhone */
    .mode-options-content {
        padding: 12px 14px;
    }

    .opt-row {
        margin-bottom: 14px;
        flex-wrap: wrap;
    }

    .opt-row label {
        font-size: 0.7rem;
        width: auto;
        flex: 1;
        min-width: 60px;
    }

    .opt-row input[type="range"] {
        -webkit-appearance: none;
        appearance: none;
        height: 8px;
        min-height: 36px;
        flex: 1;
        min-width: 100px;
    }

    .opt-row input[type="range"]::-webkit-slider-thumb {
        width: 20px;
        height: 20px;
    }

    .opt-row input[type="number"],
    .opt-row select {
        -webkit-appearance: none;
        appearance: none;
        font-size: 16px;
        /* Prevents iOS zoom on focus */
        min-height: 36px;
        padding: 8px 10px;
        border-radius: 6px;
    }

    .opt-row input[type="number"] {
        width: 70px;
    }

    .opt-row .val {
        min-width: 65px;
        font-size: 0.7rem;
        text-align: center;
    }

    /* Make generate button larger for touch */
    .generate-btn {
        padding: 12px;
        font-size: 0.8rem;
    }
}

/* Extra small screens (iPhone SE, etc.) */
@media (max-width: 375px) {
    .modes-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
        padding: 10px;
    }

    .mode-btn {
        padding: 10px 6px;
        font-size: 0.6rem;
    }

    .mobile-tab {
        font-size: 1.3rem;
    }
}

/* ===========================================
   INFO MODAL STYLES
   =========================================== */

.header-info-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    flex-shrink: 0;
}

.header-info-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.header-coffee-btn {
    text-decoration: none;
    font-size: 0.75rem;
    color: var(--text-dim);
    transition: color 0.15s;
    white-space: nowrap;
}

.header-coffee-btn:hover {
    color: var(--accent);
}

.info-modal {
    max-width: 560px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
}

.info-modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 24px !important;
    height: 24px;
    min-width: unset;
    padding: 0;
    border: none;
    background: var(--accent) !important;
    color: var(--bg);
    cursor: pointer;
    font-size: 0.75rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    z-index: 10;
}

.info-modal-close:hover {
    filter: brightness(1.1);
    background: var(--accent) !important;
}

.info-modal h2 {
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.info-modal h3 {
    font-size: 0.85rem;
    color: var(--text);
    margin: 20px 0 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-modal-content {
    line-height: 1.7;
}

.info-quote {
    font-size: 0.85rem;
    color: var(--text);
    margin-bottom: 16px;
    padding-left: 16px;
    border-left: 2px solid var(--border-light);
    font-style: italic;
}

.info-quote em {
    font-style: normal;
    color: var(--accent);
}

.info-statement {
    font-size: 0.95rem;
    color: var(--text);
    font-weight: 500;
    margin: 20px 0;
    text-align: center;
    padding: 12px;
    background: var(--accent-dim);
    border-radius: 8px;
}

.info-modal-footer {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.coffee-btn {
    display: inline-block;
    background: var(--accent);
    color: var(--bg) !important;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.15s;
}

.coffee-btn:hover {
    filter: brightness(1.1);
}

/* ===========================================
   HELP BUTTON STYLES
   =========================================== */

.help-btn {
    width: 16px;
    height: 16px;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    border-radius: 50%;
    font-size: 0.55rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 4px;
    flex-shrink: 0;
    transition: all 0.15s;
    position: relative;
}

.help-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.help-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface-3);
    border: 1px solid var(--border-light);
    color: var(--text);
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 0.65rem;
    font-style: normal;
    white-space: normal;
    width: 180px;
    max-width: 200px;
    margin-bottom: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 100;
    line-height: 1.4;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s, visibility 0.15s;
    pointer-events: none;
}

.help-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--surface-3);
}

.help-btn:hover .help-tooltip {
    opacity: 1;
    visibility: visible;
}

/* Mode panel help button in header */
.mode-options-title-wrapper {
    display: flex;
    align-items: center;
    gap: 6px;
}

.mode-help-btn {
    width: 18px;
    height: 18px;
    font-size: 0.6rem;
}