/* AI Audio Processor - Custom Styles */

:root {
    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    /* Canvas surfaces (waveform/meters read these at draw time) */
    --wave-color: #6366f1;
    --wave-played: #818cf8;
    --wave-selection: #4ade80;
    --wave-cursor: #e8e8f0;
    --meter-low: #22c55e;
    --meter-mid: #f59e0b;
    --meter-high: #ef4444;
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-hover: #22222f;
    --border: #2a2a3a;
    --text-primary: #e8e8f0;
    --text-secondary: #8888a0;
    --text-muted: #555568;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
}

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

body {
    font-family: var(--font-ui);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Drop Zone */
#dropzone {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: background 0.2s;
}

#dropzone.drag-over {
    background: rgba(99, 102, 241, 0.08);
}

#dropzone .drop-icon {
    width: 80px;
    height: 80px;
    border: 2px dashed var(--border);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: border-color 0.2s;
}

#dropzone.drag-over .drop-icon {
    border-color: var(--accent);
}

#dropzone .drop-icon svg {
    width: 32px;
    height: 32px;
    color: var(--text-muted);
}

#dropzone h2 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 8px;
}

#dropzone p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

#dropzone .browse-btn {
    margin-top: 16px;
    padding: 8px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.875rem;
    transition: background 0.15s;
}

#dropzone .browse-btn:hover {
    background: var(--bg-hover);
}

/* Header */
#topbar {
    height: 48px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
    flex-shrink: 0;
}

#topbar .logo {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--accent);
    letter-spacing: -0.02em;
}

#topbar .file-name {
    font-size: 0.8rem;
    color: var(--text-secondary);
    flex: 1;
}

#topbar .status-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

#topbar .status-badge.analyzing {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent);
}

#topbar .status-badge.ready {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.btn {
    padding: 6px 14px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.15s;
}

.btn:hover { background: var(--bg-hover); }

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-sm {
    padding: 4px 10px;
    font-size: 0.75rem;
}

/* Main Layout */
#workspace {
    display: flex;
    height: calc(100vh - 48px);
}

/* Left Panel: Analysis */
#analysis-panel {
    width: 320px;
    min-width: 280px;
    border-right: 1px solid var(--border);
    background: var(--bg-secondary);
    overflow-y: auto;
    flex-shrink: 0;
}

.panel-section:empty { display: none; }

.panel-section {
    border-bottom: 1px solid var(--border);
    padding: 14px;
}

.panel-section h3 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 10px;
}

/* Meter bars */
.meter {
    margin-bottom: 8px;
}

.meter-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    margin-bottom: 3px;
}

.meter-label span:last-child {
    color: var(--text-secondary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.7rem;
}

.meter-bar {
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
}

.meter-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.meter-fill.green { background: var(--success); }
.meter-fill.yellow { background: var(--warning); }
.meter-fill.red { background: var(--danger); }
.meter-fill.blue { background: var(--info); }
.meter-fill.purple { background: var(--accent); }

/* Suggestion cards */
.suggestion-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: border-color 0.15s;
}

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

.suggestion-card .suggestion-text {
    font-size: 0.8rem;
    line-height: 1.4;
    margin-bottom: 6px;
}

.suggestion-card .suggestion-actions {
    display: flex;
    gap: 6px;
}

.suggestion-severity {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-right: 6px;
    flex-shrink: 0;
    margin-top: 5px;
}

.suggestion-severity.info { background: var(--info); }
.suggestion-severity.warning { background: var(--warning); }
.suggestion-severity.critical { background: var(--danger); }

/* Peak Meters + Loudness */
#meter-container {
    width: 64px;
    flex-shrink: 0;
    background: var(--bg-primary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0 4px;
}

#meter-canvas {
    width: 100%;
    flex: 1;
    min-height: 120px;
}

/* BS.1770 LUFS readout stack */
#lufs-readout {
    flex-shrink: 0;
    padding: 6px 4px 2px;
    border-top: 1px solid var(--border);
    margin-top: 6px;
}

.lufs-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 3px;
}

.lufs-label {
    font-size: 0.5rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.lufs-value {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.58rem;
    color: var(--text-secondary);
    text-align: right;
}

.lufs-value.hot {
    color: var(--danger);
    font-weight: 600;
}

/* Center Panel: Waveform */
#waveform-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    min-width: 0;
}

/* Video monitor — a small reference thumbnail docked in the assistant panel,
   just above the input box. Not a showcase: it never touches the waveform.
   Double-click pops it out to a bigger floating view. */
#video-panel {
    position: relative;
    flex-shrink: 0;
    margin: 6px 12px;
    background: #000;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    max-height: 22vh;
}

#video-panel video {
    display: block;
    width: 100%;
    height: auto;
    max-height: 22vh;
    object-fit: contain;
    background: #000;
}

#video-panel.expanded {
    position: fixed;
    right: 12px;
    bottom: 70px;
    margin: 0;
    width: clamp(300px, 40vw, 560px);
    max-height: none;
    z-index: 200;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.55);
}

#video-panel.expanded video { max-height: 60vh; }

#video-hide-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(0, 0, 0, 0.55);
    border: none;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    padding: 0 6px;
    font-size: 0.85rem;
    line-height: 1.4;
    opacity: 0;
    transition: opacity 0.15s;
}

#video-panel:hover #video-hide-btn { opacity: 1; }

#waveform-container {
    flex: 1;
    position: relative;
    padding: 8px 0 0;
    display: flex;
    align-items: stretch;
    min-height: 280px;
}

#waveform-canvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: crosshair;
}

#audio-controls {
    height: 56px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
}

#audio-controls .time-display {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-width: 100px;
}

#audio-controls .play-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

#audio-controls .play-btn:hover {
    background: var(--accent-hover);
}

/* Transport buttons (stop, loop) */
.transport-btn {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.15s;
}

.transport-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.transport-btn.active {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--accent);
    color: var(--accent);
}

/* Selection display */
.selection-display {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.7rem;
    color: var(--accent);
    white-space: nowrap;
}

/* BPM tempo control */
.bpm-control {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.bpm-input {
    width: 64px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.75rem;
    padding: 3px 6px;
    text-align: right;
    outline: none;
}

.bpm-input:focus {
    border-color: var(--accent);
}

.bpm-input:disabled {
    opacity: 0.4;
}

.bpm-rate {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.65rem;
    color: var(--text-muted);
    cursor: pointer;
    white-space: nowrap;
}

.bpm-rate.modified {
    color: var(--warning);
}

.bpm-rate:hover {
    color: var(--text-primary);
}

/* Number inputs: hide native spinners, themed steppers take over */
.bpm-input::-webkit-outer-spin-button,
.bpm-input::-webkit-inner-spin-button,
.param-number::-webkit-outer-spin-button,
.param-number::-webkit-inner-spin-button,
.param-number-sm::-webkit-outer-spin-button,
.param-number-sm::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.bpm-input[type="number"],
.param-number[type="number"],
.param-number-sm[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

/* Slice-to-sampler pads */
#slices-pads {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 6px;
    max-height: 260px;
    overflow-y: auto;
    padding: 2px;
}

.slice-pad {
    aspect-ratio: 1;
    min-width: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.72rem;
    cursor: pointer;
}

.slice-pad:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.slice-pad.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.slices-status {
    font-size: 0.75rem;
    color: var(--text-muted);
    grid-column: 1 / -1;
}

/* Time Trip granular panel */
#timetrip-panel {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

.timetrip-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
    white-space: nowrap;
}

.grain-ctl {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.grain-ctl input[type="range"] {
    width: 90px;
    accent-color: var(--accent);
}

#timetrip-panel.hidden { display: none; }

/* Beat grid correction strip */
#grid-panel {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

#grid-panel.hidden { display: none; }

.grid-bpm {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.72rem;
    color: var(--text-primary);
    min-width: 88px;
}

/* Plan badge + pricing */
.plan-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    color: #fff;
    cursor: pointer;
    white-space: nowrap;
}
.plan-badge.paid {
    background: var(--bg-tertiary);
    border: 1px solid var(--accent);
    color: var(--accent);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
@media (max-width: 680px) { .pricing-grid { grid-template-columns: 1fr; } }

.pricing-card {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--bg-tertiary);
}
.pricing-card.current { border-color: var(--accent); }
.pricing-card.highlight { box-shadow: 0 0 0 2px var(--accent); }
.pricing-name { font-weight: 700; font-size: 1rem; }
.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.72rem;
    color: var(--text-secondary);
}
.pricing-features li::before { content: "· "; color: var(--accent); }
.pricing-card .btn { width: 100%; }

/* Live input button — red when hot */
#live-btn.active-live {
    color: #ef4444;
    border-color: #ef4444;
    animation: pulse 1.4s ease-in-out infinite;
}

/* Spectral erase strip */
#erase-panel {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 5px 12px;
    background: var(--bg-secondary);
    border-top: 1px solid #7f1d1d;
    flex-shrink: 0;
}

#erase-panel.hidden { display: none; }

#erase-gain-label {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.68rem;
    min-width: 48px;
}

#erase-btn.active {
    color: #ef4444;
    border-color: #ef4444;
}

/* Modulation panel */
#mod-panel {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 6px 12px 8px;
    flex-shrink: 0;
    max-height: 180px;
    overflow-y: auto;
}

.mod-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.mod-header .btn-icon { margin-left: auto; }

.mod-divider {
    width: 1px;
    height: 16px;
    background: var(--border);
    margin: 0 4px;
}

/* Menu bar dropdowns (File / Edit / View / Transport / Process) */
#menubar { display: flex; gap: 4px; }

.menu-wrap { position: relative; }

.menu-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 250px;
    max-height: 74vh;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px;
    z-index: 300;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* The menus carry every capability — on narrow screens they REPLACE the
   quick-access buttons instead of fighting them for topbar space. */
@media (max-width: 1100px) {
    #stems-btn, #slices-btn, #ref-btn, #fx-btn, #mod-btn, #tools-btn,
    #download-btn, #new-file-btn {
        display: none;
    }
}

.edit-menu-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    width: 100%;
    padding: 6px 10px;
    background: none;
    border: none;
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 0.8rem;
    cursor: pointer;
    text-align: left;
}

.edit-menu-item:hover:not(:disabled) { background: var(--bg-hover); }

.edit-menu-item:disabled { color: var(--text-muted); cursor: default; }

.edit-menu-key {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-muted);
}

.edit-menu-sep {
    height: 1px;
    background: var(--border);
    margin: 4px 6px;
}

/* User manual modal typography */
#manual-body h1 { font-size: 1.1rem; margin: 4px 0 10px; color: var(--accent); }
#manual-body h2 { font-size: 0.95rem; margin: 18px 0 6px; color: var(--text-primary); }
#manual-body h3 { font-size: 0.85rem; margin: 12px 0 4px; color: var(--text-secondary); }
#manual-body p { margin: 6px 0; color: var(--text-secondary); }
#manual-body ul { margin: 6px 0 6px 20px; color: var(--text-secondary); }
#manual-body li { margin: 3px 0; }
#manual-body strong { color: var(--text-primary); }
#manual-body code {
    background: var(--bg-primary); padding: 1px 5px; border-radius: 4px;
    font-family: 'JetBrains Mono', monospace; font-size: 0.75rem;
}
#manual-body hr { border: none; border-top: 1px solid var(--border); margin: 14px 0; }
#manual-body table { border-collapse: collapse; margin: 8px 0; width: 100%; }
#manual-body td {
    border: 1px solid var(--border); padding: 4px 10px;
    font-size: 0.78rem; color: var(--text-secondary);
}
#manual-body td:first-child { font-family: 'JetBrains Mono', monospace; white-space: nowrap; }

#auto-rec-btn.recording,
#record-btn.recording {
    background: #7f1d1d;
    border-color: #ef4444;
    color: #fff;
    animation: pulse 1.2s ease-in-out infinite;
}

#auto-play-btn.active {
    border-color: var(--accent);
    color: var(--text-primary);
}

.mod-lane {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.mod-lane select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.7rem;
    padding: 2px 4px;
    max-width: 170px;
}

.mod-lane label {
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.mod-lane input[type="range"] {
    width: 70px;
    accent-color: var(--accent);
}

.mod-power {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-size: 8px;
    cursor: pointer;
    line-height: 0;
    flex-shrink: 0;
}

.mod-power.on {
    color: #22c55e;
    border-color: #22c55e;
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.4);
}

.mod-empty {
    font-size: 0.72rem;
    color: var(--text-muted);
    padding: 4px 0;
}

/* Master volume — monitor level in the transport bar */
#master-volume {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    color: var(--text-muted);
}

#master-volume-slider {
    width: 72px;
    accent-color: var(--accent);
}

.stepper {
    display: inline-flex;
    flex-direction: column;
    gap: 1px;
    flex-shrink: 0;
}

.stepper-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 10px;
    padding: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    line-height: 0;
}

.stepper-up { border-radius: 3px 3px 0 0; }
.stepper-down { border-radius: 0 0 3px 3px; }

.stepper-btn:hover {
    background: var(--bg-hover, var(--bg-secondary));
    color: var(--text-primary);
    border-color: var(--accent);
}

.stepper-btn:active {
    background: var(--accent);
    color: #fff;
}

#progress-bar {
    flex: 1;
    height: 4px;
    background: var(--bg-primary);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

#progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    width: 0%;
    transition: width 0.1s linear;
}

/* Right Panel: Chat + Pipeline */
#chat-panel {
    width: 400px;
    min-width: 320px;
    border-left: 1px solid var(--border);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

#chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
}

.chat-msg {
    margin-bottom: 14px;
    max-width: 95%;
}

.chat-msg.user {
    margin-left: auto;
}

.chat-msg .msg-bubble {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.5;
}

.chat-msg.user .msg-bubble {
    background: var(--accent);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-msg.assistant .msg-bubble {
    background: var(--bg-tertiary);
    border-bottom-left-radius: 4px;
}

.chat-msg .msg-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Pipeline preview in chat */
.pipeline-preview {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
    margin-top: 8px;
}

.pipeline-step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 6px;
    margin-bottom: 4px;
    font-size: 0.8rem;
    background: var(--bg-tertiary);
}

.pipeline-step .step-num {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 600;
    flex-shrink: 0;
}

.pipeline-step .step-name {
    font-weight: 500;
}

.pipeline-step .step-params {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.pipeline-step.completed .step-num {
    background: var(--success);
}

.pipeline-step.running .step-num {
    background: var(--warning);
    animation: pulse 1s infinite;
}

.pipeline-step.failed .step-num {
    background: var(--danger);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Chat input */
#chat-input-area {
    border-top: 1px solid var(--border);
    padding: 12px;
    display: flex;
    gap: 8px;
}

#prompt-input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 0.85rem;
    resize: none;
    outline: none;
    font-family: inherit;
    min-height: 42px;
    max-height: 120px;
}

#prompt-input:focus {
    border-color: var(--accent);
}

#prompt-input::placeholder {
    color: var(--text-muted);
}

#send-btn {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: var(--accent);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

#send-btn:hover { background: var(--accent-hover); }
#send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Pipeline execution bar */
#pipeline-bar {
    border-top: 1px solid var(--border);
    padding: 10px 14px;
    display: none;
}

#pipeline-bar.visible { display: block; }

#pipeline-bar .exec-btn {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    background: var(--success);
    border: none;
    color: white;
    font-weight: 500;
    cursor: pointer;
    font-size: 0.85rem;
}

#pipeline-bar .exec-btn:hover { opacity: 0.9; }

/* Frequency bands display */
.freq-bands {
    display: flex;
    gap: 3px;
    height: 60px;
    align-items: flex-end;
}

.freq-band {
    flex: 1;
    background: var(--accent);
    border-radius: 2px 2px 0 0;
    min-height: 2px;
    opacity: 0.7;
    transition: height 0.3s;
}

.freq-band-labels {
    display: flex;
    gap: 3px;
    margin-top: 4px;
}

.freq-band-labels span {
    flex: 1;
    font-size: 0.55rem;
    color: var(--text-muted);
    text-align: center;
}

/* Loading spinner */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

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

/* Stereo meter */
.stereo-meter {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
}

.stereo-meter .bar-container {
    flex: 1;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    position: relative;
}

.stereo-meter .bar-center {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--text-muted);
}

.stereo-meter .bar-fill {
    position: absolute;
    top: 0;
    bottom: 0;
    background: var(--accent);
    border-radius: 3px;
}

/* Config modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    width: 420px;
    max-width: 90vw;
}

.modal h2 {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.modal label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
    margin-top: 12px;
}

.modal input, .modal select {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.85rem;
    outline: none;
}

.modal input:focus, .modal select:focus {
    border-color: var(--accent);
}

.modal .modal-actions {
    margin-top: 20px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* Hide class */
.hidden { display: none !important; }

/* Streaming chat cursor */
.msg-bubble.streaming::after {
    content: '|';
    animation: blink 0.7s step-end infinite;
    color: var(--accent);
}

@keyframes blink {
    50% { opacity: 0; }
}

/* System messages */
.chat-msg.system .msg-bubble {
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.2);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Safe area padding for notched phones */
@supports (padding-top: env(safe-area-inset-top)) {
    #topbar { padding-top: env(safe-area-inset-top); }
    #chat-input-area { padding-bottom: env(safe-area-inset-bottom); }
}

/* Responsive */
@media (max-width: 1200px) {
    #analysis-panel { width: 260px; }
    #chat-panel { width: 320px; }
}

@media (max-width: 900px) {
    body { overflow: auto; }

    #workspace {
        flex-direction: column;
        height: auto;
        min-height: calc(100vh - 48px);
    }

    #analysis-panel {
        width: 100%;
        max-height: none;
        border-right: none;
        border-bottom: 1px solid var(--border);
        order: 2;
    }

    #waveform-panel {
        order: 1;
        min-height: 200px;
    }

    #waveform-canvas { height: 140px; }

    #chat-panel {
        width: 100%;
        min-width: unset;
        max-height: none;
        border-left: none;
        border-top: 1px solid var(--border);
        order: 3;
        min-height: 300px;
    }

    /* Topbar mobile */
    #topbar {
        flex-wrap: wrap;
        height: auto;
        padding: 8px 12px;
        gap: 8px;
    }

    #topbar .file-name {
        width: 100%;
        order: 10;
    }

    /* Larger touch targets */
    .btn { padding: 8px 16px; font-size: 0.85rem; }
    .btn-sm { padding: 6px 12px; font-size: 0.8rem; }
    #audio-controls .play-btn { width: 44px; height: 44px; }
    #send-btn { width: 48px; height: 48px; }
    #prompt-input { font-size: 16px; /* Prevent iOS zoom */ }

    /* Progress bar thicker on mobile */
    #progress-bar { height: 8px; }

    /* Recording button prominent */
    #record-btn { font-size: 0.9rem !important; }

    /* Kill horizontal overflow — the long transport row was forcing the whole
       layout wider than the phone, leaving a black void and pushing content
       into a narrow strip. */
    html, body { max-width: 100%; overflow-x: hidden; }
    body { overflow-y: auto; }
    #workspace, #waveform-panel, #waveform-container { max-width: 100vw; min-width: 0; }

    /* Control rows scroll horizontally instead of forcing page width. */
    #audio-controls,
    #grid-panel, #timetrip-panel, #mod-panel, #erase-panel {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        height: auto;
        min-height: 52px;
        scrollbar-width: none;
    }
    #audio-controls::-webkit-scrollbar,
    #grid-panel::-webkit-scrollbar { display: none; }
    #audio-controls > *, #grid-panel > * { flex-shrink: 0; }

    /* Stack order: waveform+transport first, meters glued directly under it,
       then analysis, then chat. (Meters previously fell to the bottom of the
       stack, marooned away from the audio.) */
    #waveform-panel { order: 1; }
    #meter-container {
        order: 2;
        width: 100%;
        flex-shrink: 0;
        flex-direction: row;
        align-items: stretch;
        height: 84px;
        padding: 4px 8px;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    #meter-canvas { flex: 1; min-height: 0; height: auto; }
    #lufs-readout {
        border-top: none;
        border-left: 1px solid var(--border);
        margin-top: 0;
        margin-left: 8px;
        padding: 2px 6px 2px 10px;
        width: 108px;
        flex-shrink: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    #lufs-readout .lufs-row { margin-bottom: 1px; }
    #analysis-panel { order: 3; }
    #chat-panel { order: 4; }

    /* Respect the iOS notch/status bar (viewport-fit=cover). */
    #topbar { padding-top: calc(8px + env(safe-area-inset-top, 0px)); }
}

@media (max-width: 600px) {
    #dropzone h2 { font-size: 1.1rem; }
    #dropzone p { font-size: 0.8rem; }
    #dropzone .drop-icon { width: 64px; height: 64px; }

    .panel-section { padding: 12px; }
    .panel-section h3 { font-size: 0.65rem; }

    .modal { padding: 16px; width: 95vw; }

    #chat-messages { padding: 10px; }
    .chat-msg .msg-bubble { font-size: 0.85rem; }

    /* Hide analysis panel labels on very small screens */
    .meter-label { font-size: 0.7rem; }

    .tools-drawer { width: 100vw !important; }
}

/* ── Tools Drawer ── */
.tools-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 380px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    z-index: 200;
    display: flex;
    flex-direction: column;
    box-shadow: -4px 0 20px rgba(0,0,0,0.4);
    animation: slideInRight 0.2s ease;
}

.tools-drawer.hidden {
    display: none;
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

.tools-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.tools-drawer-header h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    line-height: 1;
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Category tabs */
.tools-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

.tools-tab {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.15s;
}

.tools-tab:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.tools-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.tools-tab-count {
    opacity: 0.6;
    font-size: 0.6rem;
    margin-left: 2px;
}

/* Tools list */
.tools-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

/* Tool card (accordion) */
.tool-card {
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 6px;
    overflow: hidden;
    transition: border-color 0.15s;
}

.tool-card:hover {
    border-color: var(--accent-muted, rgba(99,102,241,0.4));
}

.tool-card.expanded {
    border-color: var(--accent);
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    cursor: pointer;
    font-size: 0.8rem;
    user-select: none;
}

.tool-header:hover {
    background: var(--bg-tertiary);
}

.tool-expand-icon {
    color: var(--text-muted);
    font-size: 0.7rem;
    width: 12px;
    flex-shrink: 0;
}

.tool-name {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.tool-desc {
    color: var(--text-muted);
    font-size: 0.7rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tool-body {
    padding: 0 10px 10px;
    border-top: 1px solid var(--border);
}

.tool-full-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 8px 0;
    line-height: 1.4;
}

/* Parameter form */
.param-group {
    margin-bottom: 10px;
}

.param-group > label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-bottom: 3px;
    font-weight: 500;
}

.param-group select,
.param-group input[type="text"] {
    width: 100%;
    padding: 5px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.8rem;
}

.range-input-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.range-input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
}

.range-input-group input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
}

.param-number {
    width: 64px;
    padding: 4px 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.75rem;
    text-align: right;
}

.param-number-sm {
    width: 50px;
    padding: 3px 4px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-primary);
    font-size: 0.7rem;
    text-align: right;
}

.param-hint {
    font-size: 0.65rem;
    color: var(--text-muted);
    display: block;
    margin-top: 2px;
}

.toggle-label {
    display: flex !important;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem !important;
    color: var(--text-primary) !important;
    cursor: pointer;
}

.toggle-label input[type="checkbox"] {
    accent-color: var(--accent);
}

/* Array params */
.array-params {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.array-row {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 6px;
    background: var(--bg-primary);
    border-radius: 4px;
}

.array-row .inline-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Tool actions */
.tool-actions {
    display: flex;
    gap: 6px;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

/* ── History Drawer ── */
.history-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    z-index: 200;
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 20px rgba(0,0,0,0.4);
    animation: slideInLeft 0.2s ease;
}

.history-drawer.hidden { display: none; }

@keyframes slideInLeft {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.history-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.history-entry {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: default;
}

.history-entry.current {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
}

.history-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
    flex-shrink: 0;
}

.history-dot.active {
    background: var(--accent);
}

.history-desc {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── Master Section (FX Chain) ── */
#fx-chain {
    width: 260px;
    min-width: 220px;
    flex-shrink: 0;
    border-left: 1px solid var(--border);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

#fx-chain.hidden { display: none !important; }

.fx-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.fx-title {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-primary);
}

.fx-header-actions {
    display: flex;
    gap: 4px;
    align-items: center;
}

/* FX Slots */
#fx-slots {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
}

.fx-slot {
    margin: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-primary);
    transition: opacity 0.15s, border-color 0.15s;
}

.fx-slot.bypassed {
    opacity: 0.4;
}

.fx-slot-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
}

.fx-led {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
    flex-shrink: 0;
    transition: background 0.15s;
}

.fx-led.active {
    background: var(--success);
    box-shadow: 0 0 4px var(--success);
}

.fx-slot-name {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.fx-slot-actions {
    display: flex;
    gap: 2px;
}

.fx-bypass-btn,
.fx-remove-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-muted);
    font-size: 0.6rem;
    padding: 2px 5px;
    cursor: pointer;
    line-height: 1;
    transition: all 0.15s;
}

.fx-bypass-btn:hover { border-color: var(--warning); color: var(--warning); }
.fx-remove-btn:hover { border-color: var(--danger); color: var(--danger); }
.fx-remove-btn { font-size: 0.85rem; padding: 0 4px; }

/* FX Slot Params */
.fx-slot-params {
    padding: 8px 10px;
}

.fx-param-row {
    margin-bottom: 6px;
}

.fx-param-row > label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
    font-weight: 500;
}

.fx-param-unit {
    color: var(--text-muted);
    font-weight: 400;
}

.fx-param-row .range-input-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.fx-param-row .range-input-group input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    outline: none;
}

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

.fx-param-row .range-input-group input[type="range"]::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
}

.fx-param-row .param-number {
    width: 56px;
    padding: 3px 4px;
    font-size: 0.7rem;
}

/* Add Effect Button */
.fx-add-btn {
    display: block;
    width: calc(100% - 16px);
    margin: 8px auto;
    padding: 10px;
    background: var(--bg-primary);
    border: 1px dashed var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 0.78rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
    flex-shrink: 0;
}

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

/* Effect Picker */
#fx-picker {
    flex-shrink: 0;
    border-top: 1px solid var(--border);
    padding: 8px;
    background: var(--bg-tertiary);
}

.fx-picker-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}

.fx-picker-item {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 6px;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
}

.fx-picker-item:hover {
    border-color: var(--accent);
    background: var(--bg-hover);
}

.fx-picker-name {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* FX button active state */
#fx-btn.active {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--accent);
    color: var(--accent);
}

/* Reference Mode (PURE) button — gold when engaged */
#ref-btn.active-ref {
    background: rgba(245, 158, 11, 0.15);
    border-color: var(--warning);
    color: var(--warning);
    font-weight: 600;
}

/* FX panel dimmed while Reference Mode bypasses it */
#fx-chain.reference-bypassed {
    opacity: 0.35;
    pointer-events: none;
}

/* Stem separation rows */
.stem-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
}

.stem-row:last-of-type { border-bottom: none; }

.stem-name {
    font-size: 0.8rem;
    font-weight: 500;
    width: 92px;
    flex-shrink: 0;
}

.stem-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.stem-actions a { text-decoration: none; }

/* ── Stem Mixer strip ── */
#stem-mixer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 6px 12px 10px;
    flex-shrink: 0;
}

#stem-mixer.hidden { display: none !important; }

.mixer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.mixer-title {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

#stem-mixer-channels {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.mixer-channel {
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 5px 8px;
    transition: opacity 0.15s;
}

.mixer-channel.inaudible { opacity: 0.4; }

.mixer-chip {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    flex-shrink: 0;
}

.mixer-loading {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 8px 4px;
    animation: pulse 1.2s ease-in-out infinite;
}

.mixer-stem-name {
    font-size: 0.72rem;
    font-weight: 500;
    min-width: 70px;
    text-transform: capitalize;
}

.mixer-btn {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-size: 0.65rem;
    font-weight: 700;
    cursor: pointer;
    line-height: 1;
}

.mixer-solo.active {
    background: rgba(245, 158, 11, 0.25);
    border-color: var(--warning);
    color: var(--warning);
}

.mixer-mute.active {
    background: rgba(239, 68, 68, 0.25);
    border-color: var(--danger);
    color: var(--danger);
}

.mixer-fader {
    width: 90px;
    -webkit-appearance: none;
    appearance: none;
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    outline: none;
}

.mixer-fader::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
}

.mixer-fader::-moz-range-thumb {
    width: 12px; height: 12px; border-radius: 50%;
    background: var(--accent); cursor: pointer; border: none;
}

/* Stems button while a background job runs */
#stems-btn.working {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--accent);
    color: var(--accent);
    animation: pulse 1.6s infinite;
}

/* Plan-locked features */
.btn.locked {
    opacity: 0.55;
    position: relative;
}

.btn.locked::after {
    content: 'LOCKED';
    font-size: 0.5rem;
    letter-spacing: 0.06em;
    margin-left: 5px;
    color: var(--text-muted);
}

/* Bypass all active state */
#fx-bypass-all.active {
    background: rgba(245, 158, 11, 0.15);
    border-color: var(--warning);
    color: var(--warning);
}

/* Responsive: hide FX panel on mobile */
@media (max-width: 900px) {
    #fx-chain {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        z-index: 200;
        box-shadow: -4px 0 20px rgba(0,0,0,0.4);
    }
}

@media (max-width: 600px) {
    #fx-chain { width: 100vw; }
}

/* ── Keyboard shortcuts cheat-sheet (?) ── */
#shortcuts-help {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    z-index: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
#shortcuts-help.hidden { display: none; }
.sc-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    max-width: 860px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 12px 48px rgba(0,0,0,0.5);
}
.sc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.sc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 4px 24px;
    padding: 14px 18px;
}
.sc-cat h4 {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 10px 0 6px;
}
.sc-row {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 3px 0;
    font-size: 0.8rem;
}
.sc-keys {
    font-family: ui-monospace, monospace;
    font-size: 0.72rem;
    background: var(--bg-tertiary, #1a1a25);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 7px;
    white-space: nowrap;
    color: var(--accent, #818cf8);
}
.sc-label { color: var(--text-secondary); }
.sc-foot {
    padding: 10px 18px 14px;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}


/* ── NodeDSP Terminal mode ──────────────────────────────────────────────
   Square everything (tmux panes), mono type, subtle CRT glow on the logo. */
html.theme-terminal *,
html.theme-terminal *::before,
html.theme-terminal *::after { border-radius: 0 !important; }
html.theme-terminal .logo {
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: ndsp-glow 3s ease-in-out infinite;
}
@keyframes ndsp-glow {
    0%, 100% { opacity: 0.55; }
    50% { opacity: 1; }
}
html.theme-terminal .status-badge { letter-spacing: 1px; }
html.theme-terminal button, html.theme-terminal .btn { letter-spacing: 0.5px; }

/* Appearance settings */
#cfg-theme-swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 6px; margin-top: 8px; }
.theme-swatch { display: flex; align-items: center; gap: 8px; font-size: 0.72rem; color: var(--text-secondary); }
.theme-swatch input[type=color] { width: 26px; height: 20px; padding: 0; border: 1px solid var(--border); background: none; cursor: pointer; }


/* Collapsible AI panel */
body.chat-collapsed #chat-panel { display: none; }

/* Custom context menu — the tab is ours */
#ctx-menu {
    position: fixed; z-index: 200; min-width: 200px;
    background: var(--bg-secondary); border: 1px solid var(--border);
    box-shadow: 0 6px 22px rgba(0,0,0,0.55); padding: 4px; display: none;
}
#ctx-menu.open { display: block; }
#ctx-menu button {
    display: flex; justify-content: space-between; gap: 18px; width: 100%;
    background: none; border: none; color: var(--text-primary);
    font: inherit; font-size: 0.78rem; padding: 7px 10px; cursor: pointer; text-align: left;
}
#ctx-menu button:hover { background: var(--bg-hover); }
#ctx-menu button .key { color: var(--text-muted); font-size: 0.68rem; }
#ctx-menu .sep { height: 1px; background: var(--border); margin: 4px 2px; }