:root { --page-margin: #14171e; --primary-text: #edf0f5; --secondary-text: #aeb7c6; --link-accent: #bbb1ff; --inverted-text: #14171e; --ui-widget-background: #343c4b; --ui-widget-focus: #586378; --editor-background: #1c2029; }
html { background: var(--page-margin, #14171e); color: var(--primary-text, #edf0f5); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.55; color-scheme: dark; }
body { margin: 0 auto; padding: 0 24px; max-width: 1000px; }
a { color: var(--link-accent, #bbb1ff); text-underline-offset: 3px; }
button { font: inherit; cursor: pointer; }
button:disabled { opacity: .5; cursor: wait; }
.site-header { display: flex; justify-content: space-between; align-items: center; padding: 22px 0 30px; font-size: 14px; }
.home-link { color: var(--secondary-text, #aeb7c6); text-decoration: none; }
.quiet-button { color: var(--secondary-text, #aeb7c6); background: transparent; border: 0; padding: 8px 0 8px 16px; }
.workspace-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 22px; }
h1 { font-size: 32px; line-height: 1.2; letter-spacing: -.8px; margin: 0; font-weight: 700; }
.title-note { color: var(--secondary-text); font-size: 14px; letter-spacing: 0; font-weight: 400; margin-left: 14px; vertical-align: middle; }
.workspace-heading p { margin: 8px 0 0; font-size: 15px; color: var(--secondary-text); }
.share-area { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.share-button { background: var(--link-accent); color: var(--inverted-text); border: 0; border-radius: 7px; padding: 10px 18px; font-size: 14px; font-weight: 650; }
#share-status { color: var(--secondary-text); font-size: 12px; }
.editor-frame { background: var(--editor-background); border: 1px solid var(--ui-widget-background); border-radius: 12px; padding: 16px; }
.editor-hint { color: var(--secondary-text); font-size: 13px; margin: 0 0 14px; }
#beepboxEditorContainer { width: 100%; }
html:root { --button-size: 32px; --settings-area-width: 240px; }
#beepboxEditorContainer .beepboxEditor { font-family: inherit; font-size: 14px; line-height: 1.35; grid-column-gap: 20px; grid-row-gap: 12px; }
#beepboxEditorContainer .beepboxEditor:focus-within { outline: none; }
#beepboxEditorContainer .beepboxEditor .trackAndMuteContainer { width: 100%; }
#beepboxEditorContainer .beepboxEditor .selectRow { margin: 3px 0; }
#beepboxEditorContainer .beepboxEditor .editor-controls > div:first-child { text-align: left !important; font-weight: 600; margin: 14px 0 8px !important; color: var(--primary-text) !important; }
#beepboxEditorContainer .beepboxEditor .version-area { font-size: 11px; opacity: .8; }
#beepboxEditorContainer .beepboxEditor .playButton { background: var(--link-accent); color: var(--inverted-text); font-weight: 650; }
#beepboxEditorContainer .beepboxEditor .playButton::before { background: var(--inverted-text); }
#beepboxEditorContainer .beepboxEditor .menu-area { margin: 8px 0 0; }
button:focus-visible, a:focus-visible, summary:focus-visible, #beepboxEditorContainer select:focus-visible, #beepboxEditorContainer input:focus-visible, #beepboxEditorContainer button:focus-visible { outline: 2px solid var(--link-accent); outline-offset: 3px; }
.guide { margin: 32px 0 0; scroll-margin-top: 24px; }
h2 { font-size: 17px; margin: 0 0 18px; font-weight: 600; }
.guide-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
h3 { font-size: 14px; margin: 0 0 6px; font-weight: 600; }
.guide p { margin: 0 0 12px; color: var(--secondary-text); font-size: 14px; }
.guide strong { font-weight: 550; color: var(--primary-text); }
details { border-top: 1px solid var(--ui-widget-background); margin-top: 12px; font-size: 14px; }
summary { cursor: pointer; padding: 16px 0; color: var(--secondary-text); }
.extra-help { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding-bottom: 12px; }
dl { margin: 0; font-size: 14px; }
dl > div { display: flex; gap: 16px; margin-bottom: 12px; }
dt { width: 110px; flex-shrink: 0; }
dd { margin: 0; color: var(--secondary-text); }
kbd { font: inherit; font-size: .85em; padding: 2px 5px; border: 1px solid var(--ui-widget-focus); border-radius: 4px; white-space: nowrap; }
footer { border-top: 1px solid var(--ui-widget-background); padding: 20px 0 28px; color: var(--secondary-text); font-size: 12px; }
footer p { margin: 4px 0; }
@media (min-width: 711px) { #beepboxEditorContainer { display: block; } }
@media (max-width: 710px) {
  body { padding: 0 12px; }
  .site-header { padding: 12px 0 18px; }
  .workspace-heading { align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
  h1 { font-size: 28px; }
  .workspace-heading p { font-size: 14px; }
  .share-area { flex-direction: row; align-items: center; gap: 12px; }
  .share-button { padding: 10px 14px; }
  .editor-frame { padding: 10px 6px; border-radius: 8px; }
  .editor-hint { font-size: 12px; margin: 0 4px 12px; }
  .desktop-hint { display: none; }
  html:root { --button-size: 36px; }
  #beepboxEditorContainer .beepboxEditor { font-size: 13px; grid-row-gap: 0; }
  #beepboxEditorContainer .beepboxEditor .pattern-area { height: 330px; }
  #beepboxEditorContainer .beepboxEditor .settings-area { margin: 6px 0 0; }
  #beepboxEditorContainer .beepboxEditor .selectRow > :last-child { width: 60%; }
  .guide { margin-top: 24px; }
  .guide-steps, .extra-help { grid-template-columns: 1fr; gap: 10px; }
  .guide-steps h3 { margin-bottom: 3px; }
}
@media (max-width: 710px) {
  #beepboxEditorContainer .beepboxEditor .customize-instrument::before { display: none; }
  #beepboxEditorContainer .beepboxEditor .customize-instrument { padding: 0 4px; }
}
@media (max-width: 360px) {
  #beepboxEditorContainer .beepboxEditor .settings-area { grid-template-columns: 1fr; grid-template-areas: "play-pause-area" "menu-area" "song-settings-area" "instrument-settings-area" "version-area"; }
  .share-area { flex-wrap: wrap; gap: 6px 12px; }
}
.beepboxEditor .tip[role="button"]:focus-visible { outline: 2px solid var(--link-accent); outline-offset: 3px; border-radius: 2px; }
#beepboxEditorContainer .template-prompt {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  box-sizing: border-box; max-height: calc(100dvh - 32px); overflow-y: auto; margin: 0;
}
#beepboxEditorContainer .template-prompt > *:not(:first-child):not(.cancelButton) { margin-top: 12px; }
#beepboxEditorContainer .template-prompt p { margin-bottom: 0; line-height: 1.5; }
#beepboxEditorContainer .template-prompt h2 { font-size: 22px; margin: 0 24px 4px 0; }
#beepboxEditorContainer .template-prompt button:not(.cancelButton) { margin-top: 18px; background: var(--link-accent); color: var(--inverted-text); font-weight: 600; }
.playback-view-toggle { font: inherit; color: var(--primary-text); border: 1px solid var(--ui-widget-focus); background: var(--ui-widget-background); border-radius: 5px; padding: 4px 8px; margin: 5px 0 0 6px; }
.playback-view-toggle[aria-pressed="true"] { border-color: var(--link-accent); color: var(--link-accent); }
#beepboxEditorContainer .pattern-area { position: relative; }
#beepboxEditorContainer .pattern-area.show-playback-overview > :not(.playback-overview) { visibility: hidden; }
.playback-overview { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; background: #191d26; border: 1px solid #3b4251; border-radius: 6px; overflow: hidden; }
.playback-overview[hidden] { display: none; }
.playback-caption { font-size: 11px; color: #c0c8d6; padding: 7px 8px 3px; }
.playback-stage { position: relative; flex: 1; min-height: 65px; }
.playback-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.playback-legend { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px; max-height: 78px; overflow-y: auto; border-top: 1px solid #343b49; }
#beepboxEditorContainer .playback-legend button { width: auto; height: auto; min-height: 25px; font-size: 11px; padding: 3px 7px; margin: 0; color: var(--channel-color); background: #242a35; border: 1px solid transparent; border-radius: 4px; }
#beepboxEditorContainer .playback-legend button[aria-pressed="false"] { opacity: .45; text-decoration: line-through; }
#beepboxEditorContainer .playback-legend button.is-sounding { border-color: var(--channel-color); background: #343c4b; }
@media (prefers-reduced-motion: reduce) { #beepboxEditorContainer .playback-legend button { transition: none; } }
#beepboxEditorContainer .song-text-prompt { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 640px; max-width: calc(100vw - 32px); max-height: calc(100dvh - 32px); overflow: auto; box-sizing: border-box; margin: 0; text-align: left; }
.song-text-prompt p { font-size: 12px; line-height: 1.5; margin: 10px 0; }
.song-text-prompt textarea { width: 100%; height: 34vh; min-height: 120px; box-sizing: border-box; resize: vertical; background: #11151c; color: #e7edf5; border: 1px solid #586378; border-radius: 5px; padding: 10px; font: 12px/1.5 ui-monospace, monospace; user-select: text; }
.song-text-prompt select { margin-bottom: 8px; }
.song-text-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
#beepboxEditorContainer .song-text-actions button { width: auto; padding: 5px 10px; height: auto; min-height: 32px; }
.song-text-status { min-height: 1.5em; color: var(--link-accent); overflow-wrap: anywhere; }
.song-text-prompt input[type="file"] { max-width: 100%; font-size: 12px; }
#beepboxEditorContainer .song-text-prompt textarea { text-align: left; white-space: pre; }

/* Shared navigation and quieter page chrome. */
[hidden] { display: none !important; }
.site-header { padding: 18px 0 22px; gap: 16px; }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.site-nav a { color: var(--secondary-text); text-decoration: none; padding: 6px 0; font-size: 14px; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--primary-text); }
.site-nav a[aria-current="page"] { box-shadow: 0 1px var(--link-accent); }
.workspace-heading { margin-bottom: 18px; }
footer { margin-top: 24px; }
.guide { padding: 22px 0 0; border-top: 1px solid var(--ui-widget-background); }
.ai-page { max-width: 720px; margin: 32px auto 48px; }
.ai-page h1 { font-size: clamp(28px, 5vw, 36px); margin-bottom: 12px; }
.ai-page h2 { margin: 28px 0 12px; }
.ai-page p { color: var(--secondary-text); }
.ai-page .prompt-example { color: var(--primary-text); background: var(--editor-background); border-left: 3px solid var(--link-accent); padding: 20px 24px; margin: 20px 0; }
.ai-page .ai-links { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 20px 0; }
.ai-page li { margin: 8px 0; }
.ai-page code { overflow-wrap: anywhere; }
@media (max-width: 710px) {
  .site-nav { gap: 16px; }
  .site-nav a, .quiet-button { font-size: 13px; }
  .quiet-button { padding-left: 0; }
  .site-header { padding: 12px 0 18px; }
  .title-note { margin-left: 8px; }
  .ai-page { margin-top: 20px; }
}
/* One sound workspace: mix first, detail on demand. */
#beepboxEditorContainer .sound-studio { position: fixed; inset: 24px auto auto 50%; transform: translateX(-50%); width: 840px; max-width: calc(100vw - 24px); max-height: calc(100dvh - 48px); overflow: auto; box-sizing: border-box; text-align: left; margin: 0; padding: 24px; }
.sound-studio h2 { font-size: 23px; margin: 0 28px 10px 0; }
.sound-studio h3 { margin: 18px 0 10px; font-size: 15px; }
.sound-studio p { margin: 8px 0 14px; line-height: 1.5; font-size: 13px; }
.sound-muted { color: var(--secondary-text); }
.sound-actions { display: flex; flex-wrap: wrap; gap: 8px; }
#beepboxEditorContainer .sound-studio button { width: auto; height: auto; min-height: 34px; padding: 6px 12px; }
#beepboxEditorContainer .sound-studio .cancelButton { position: absolute; right: 12px; top: 12px; width: 24px; min-height: 24px; padding: 0; }
.sound-mixer-row { display: grid; grid-template-columns: minmax(140px,1.5fr) minmax(120px,1fr) 85px 68px; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--ui-widget-background); }
#beepboxEditorContainer .sound-studio .sound-track-name { text-align: left; font-size: 12px; background: transparent; color: var(--primary-text); white-space: normal; padding: 5px 8px; }
#beepboxEditorContainer .sound-studio .sound-track-name[aria-pressed="true"] { background: var(--ui-widget-background); box-shadow: inset 3px 0 var(--link-accent); }
.sound-studio label { display: flex; flex-wrap: wrap; gap: 5px 8px; align-items: center; font-size: 12px; color: var(--secondary-text); }
.sound-mixer-row label input { flex: 1; min-width: 60px; }
.sound-mixer-row output { min-width: 32px; font-variant-numeric: tabular-nums; color: var(--primary-text); }
#beepboxEditorContainer .sound-studio select, #beepboxEditorContainer .sound-studio input:not([type="range"]) { border: 1px solid var(--ui-widget-focus); background: var(--editor-background); color: var(--primary-text); border-radius: 4px; box-sizing: border-box; padding: 6px 8px; min-width: 0; height: auto; text-align: left; }
.sound-search { display: flex; gap: 10px; margin-bottom: 8px; }
.sound-search input { flex: 1; }
.sound-search select { max-width: 45%; }
#beepboxEditorContainer .sound-studio select[size] { width: 100%; height: 160px; padding: 4px; }
.sound-studio select[size] option { padding: 5px 8px; }
.sound-detail { border-top: 1px solid var(--ui-widget-background); margin-top: 16px; }
.sound-knobs { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px 24px; margin: 14px 0; }
.sound-knobs label { justify-content: space-between; }
.sound-knobs input, .sound-knobs select { width: 115px; }
.sound-status { min-height: 1.5em; color: var(--link-accent); }
.sound-commit { position: sticky; bottom: -24px; padding: 16px 0; background: var(--editor-background); border-top: 1px solid var(--ui-widget-background); justify-content: flex-end; }
#beepboxEditorContainer .sound-commit button:last-child { color: var(--inverted-text); background: var(--link-accent); }
@media(max-width:600px) {
  #beepboxEditorContainer .sound-studio { padding: 16px; inset-block-start: 12px; max-height: calc(100dvh - 24px); }
  .sound-mixer-row { grid-template-columns: minmax(0,1fr) 75px 65px; gap: 8px; }
  .sound-mixer-row .sound-track-name { grid-column: 1 / -1; }
  .sound-knobs { grid-template-columns: 1fr; }
  .sound-search { flex-direction: column; }
  .sound-search select { max-width: 100%; }
  .sound-commit { bottom: -16px; }
}

#beepboxEditorContainer .sound-studio > *:not(:first-child):not(.cancelButton) { margin-top: 12px; }
#beepboxEditorContainer .sound-studio h2 { margin: 0 28px 8px 0; font-size: 23px; font-weight: 600; }
#beepboxEditorContainer .sound-studio p { margin: 8px 0 12px; }
#beepboxEditorContainer .sound-studio .sound-tabs { display: flex; gap: 4px; padding-bottom: 12px; border-bottom: 1px solid var(--ui-widget-background); }
#beepboxEditorContainer .sound-tabs button { background: transparent; color: var(--secondary-text); }
#beepboxEditorContainer .sound-tabs button[aria-pressed="true"] { color: var(--primary-text); box-shadow: inset 0 -2px var(--link-accent); }
#beepboxEditorContainer .sound-studio .sound-detail { border-top: 0; }
/* Recorded audio: record onto a channel, then move, trim, split and shape takes. */
#beepboxEditorContainer .audio-track-prompt { position: fixed; inset: 24px auto auto 50%; transform: translateX(-50%); width: 820px; max-width: calc(100vw - 24px); max-height: calc(100dvh - 48px); overflow: auto; box-sizing: border-box; text-align: left; margin: 0; padding: 24px; }
.audio-track-prompt h2 { font-size: 21px; margin: 0 28px 8px 0; }
.audio-track-prompt .audio-hint { color: var(--secondary-text); font-size: 13px; line-height: 1.5; margin: 0 0 12px; }
.audio-track-prompt .audio-timeline { display: block; width: 100%; height: 118px; border-radius: 6px; touch-action: none; cursor: text; }
.audio-track-prompt .audio-transport, .audio-track-prompt .audio-options, .audio-track-prompt .audio-clip-buttons, .audio-track-prompt .audio-footer { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
#beepboxEditorContainer .audio-track-prompt button { width: auto; height: auto; min-height: 32px; padding: 5px 12px; }
#beepboxEditorContainer .audio-track-prompt .audio-record { background: #c0485a; color: #fff; font-weight: 650; }
#beepboxEditorContainer .audio-track-prompt .audio-record:disabled { opacity: .5; }
#beepboxEditorContainer .audio-track-prompt .audio-delete { color: #ffb4b4; }
.audio-track-prompt .audio-transport select { min-width: 180px; flex: 1 1 180px; }
.audio-track-prompt .audio-options label { font-size: 13px; color: var(--secondary-text); display: inline-flex; align-items: center; gap: 4px; margin-right: 10px; }
.audio-track-prompt .audio-status { min-height: 1.5em; font-size: 13px; color: var(--link-accent); margin: 10px 0 0; }
.audio-track-prompt .audio-clip-controls { border-top: 1px solid var(--ui-widget-background); margin-top: 12px; padding-top: 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; font-size: 13px; }
.audio-track-prompt .audio-clip-controls.disabled { opacity: .55; }
.audio-track-prompt .audio-clip-controls label { display: inline-flex; align-items: center; gap: 6px; }
.audio-track-prompt .audio-clip-controls input[type="number"] { width: 64px; }
.audio-track-prompt .audio-value { min-width: 48px; color: var(--secondary-text); }
.audio-track-prompt .audio-clip-buttons { margin-top: 0; width: 100%; }
.audio-track-prompt .audio-footer { justify-content: flex-end; border-top: 1px solid var(--ui-widget-background); padding-top: 12px; }
#beepboxEditorContainer .audio-track-prompt .okayButton { width: auto; min-width: 96px; background: var(--link-accent); color: var(--inverted-text); font-weight: 600; }
@media (max-width: 710px) {
  #beepboxEditorContainer .audio-track-prompt { inset: 12px auto auto 50%; padding: 16px; }
  .audio-track-prompt h2 { font-size: 18px; }
}
.audio-track-prompt .audio-scroll { overflow-x: auto; overflow-y: hidden; border-radius: 6px; background: #11151c; }
.audio-track-prompt .audio-scroll .audio-timeline { width: auto; max-width: none; }
.audio-track-prompt .audio-zoom { display: inline-flex; gap: 4px; margin-left: auto; }
#beepboxEditorContainer .audio-track-prompt .audio-zoom button { min-width: 32px; padding: 4px 8px; }
/* Bars with recorded audio on that channel. */
#beepboxEditorContainer .channelBox.has-audio { box-shadow: inset 0 -3px 0 var(--link-accent); }
/* The editor positions its own canvases absolutely; this timeline flows in the dialog. */
#beepboxEditorContainer .audio-track-prompt .audio-timeline { position: static; }
/* Playback overview: each channel is a mute toggle with a solo button. */
.playback-channel { display: inline-flex; gap: 2px; }
#beepboxEditorContainer .playback-legend button[aria-pressed="true"]:not(.playback-solo) { opacity: .45; text-decoration: line-through; }
#beepboxEditorContainer .playback-legend button[aria-pressed="false"]:not(.playback-solo) { opacity: 1; text-decoration: none; }
#beepboxEditorContainer .playback-legend .playback-solo { min-width: 24px; padding: 3px 5px; font-weight: 600; }
#beepboxEditorContainer .playback-legend .playback-solo[aria-pressed="true"] { background: var(--channel-color); color: var(--inverted-text); }