@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&display=swap');

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  font-family: 'Space Mono', monospace;
  user-select: none;
}
body { position: relative }

#bg-canvas     { position: absolute; inset: 0; z-index: 0; pointer-events: none }
#record-canvas { position: absolute; z-index: 1; border-radius: 50%; pointer-events: none }
#arm-canvas    { position: absolute; z-index: 2; pointer-events: all; cursor: grab }
#arm-canvas.dragging { cursor: grabbing }

/* ── Eye zone (left-side visibility toggle) ─────────────── */
.eye-zone {
  position: absolute; left: 0; top: 0; bottom: 0; width: 72px;
  display: flex; align-items: center; justify-content: center;
  z-index: 10; pointer-events: all;
}
.eye-btn {
  background: none; border: none; cursor: pointer; padding: 14px;
  transition: opacity 0.3s, color 0.2s;
  display: flex; align-items: center; justify-content: center;
}

/* open/closed eye icon switching */
.eye-closed { display: none }
body.ui-hidden .eye-open  { display: none }
body.ui-hidden .eye-closed { display: block }

/* fade eye out when UI is hidden; reveal on hover */
body.ui-hidden .eye-btn { opacity: 0 }
body.ui-hidden .eye-zone:hover .eye-btn { opacity: 1 }

/* ── Top-right UI panel ──────────────────────────────────── */
.ui-panel {
  position: absolute; top: 28px; right: 32px;
  display: flex; flex-direction: column; align-items: flex-end; gap: 14px;
  z-index: 10;
  transition: opacity 0.3s, transform 0.25s;
}
body.ui-hidden .ui-panel {
  opacity: 0; pointer-events: none; transform: translateX(8px);
}

/* ── Upload zone ─────────────────────────────────────────── */
.upload-zone { display: flex; flex-direction: column; align-items: flex-end; gap: 6px }
.upload-label { font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase }
.upload-btn {
  border: 1px solid transparent; border-radius: 4px; padding: 8px 16px;
  font-family: 'Space Mono', monospace; font-size: 10px; letter-spacing: 0.1em;
  cursor: pointer; transition: all 0.2s;
}
#file-input { display: none }

/* ── Playback controls ───────────────────────────────────── */
.controls { display: flex; flex-direction: column; align-items: flex-end; gap: 10px }
.ctrl-row  { display: flex; align-items: center; gap: 12px }
.ctrl-btn {
  border: 1px solid transparent; border-radius: 50%;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all 0.15s; flex-shrink: 0;
}
.ctrl-btn:hover  { transform: translateY(-1px) }
.ctrl-btn:active { transform: scale(0.95) }
.ctrl-btn.sm { width: 36px; height: 36px }
.ctrl-btn.lg { width: 50px; height: 50px }

.vol-row   { display: flex; align-items: center; gap: 8px }
.vol-icon  { flex-shrink: 0 }
.slider-track  { height: 2px; border-radius: 2px; cursor: pointer; position: relative }
.vol-track     { width: 100px }
.slider-fill   { height: 100%; border-radius: 2px; pointer-events: none }
.slider-thumb  {
  width: 10px; height: 10px; border-radius: 50%;
  position: absolute; top: 50%; transform: translate(-50%, -50%); pointer-events: none;
}

.kbd-hint { font-size: 8px; letter-spacing: 0.08em; text-transform: uppercase; text-align: right }

/* ── Track info ─────────────────────────────────────────── */
.track-info   { display: flex; flex-direction: column; align-items: flex-end; gap: 3px }
.track-title  {
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  max-width: 220px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-align: right;
}
.track-artist { font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase; text-align: right }

/* ── Disk speed control ──────────────────────────────────── */
.speed-ctrl  { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; width: 100% }
.speed-label { font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase }
.speed-row   { display: flex; align-items: center; gap: 6px }
.speed-btn   {
  width: 26px; height: 26px; border-radius: 50%; border: 1px solid transparent;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 16px; line-height: 1; flex-shrink: 0;
  transition: all 0.15s;
}
.speed-btn:hover  { transform: translateY(-1px) }
.speed-btn:active { transform: scale(0.92) }
.speed-val {
  width: 52px; text-align: center; background: none;
  border: 1px solid transparent; border-radius: 3px;
  font-family: 'Space Mono', monospace; font-size: 11px;
  padding: 4px 2px; cursor: text;
  -moz-appearance: textfield;
}
.speed-val::-webkit-inner-spin-button,
.speed-val::-webkit-outer-spin-button { -webkit-appearance: none }

/* ── Queue ───────────────────────────────────────────────── */
.queue-panel  { width: 100%; display: flex; flex-direction: column; gap: 6px }
.queue-header { display: flex; justify-content: space-between; align-items: baseline }
.queue-label  { font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase }
.queue-count  { font-size: 8px; letter-spacing: 0.06em }
.queue-list   { max-height: 130px; overflow-y: auto; display: flex; flex-direction: column }
.queue-list::-webkit-scrollbar { width: 2px }
.queue-item   {
  display: flex; align-items: center; gap: 7px;
  padding: 5px 2px; cursor: pointer;
  border-bottom: 1px solid transparent;
  transition: background 0.15s;
}
.queue-num    { font-size: 8px; width: 14px; text-align: right; flex-shrink: 0; opacity: 0.4 }
.queue-name   { font-size: 9px; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; letter-spacing: 0.04em }
.queue-remove {
  background: none; border: none; cursor: pointer;
  font-size: 13px; line-height: 1; padding: 0 2px; flex-shrink: 0;
  opacity: 0; transition: opacity 0.15s;
}
.queue-item:hover .queue-remove { opacity: 0.6 }
.queue-remove:hover { opacity: 1 !important }

/* ── Theme switcher ─────────────────────────────────────── */
.theme-switcher {
  position: absolute;
  right: 32px;
  bottom: 28px;
  z-index: 11;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  transition: opacity 0.3s, transform 0.25s;
}

body.ui-hidden .theme-switcher {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}

.theme-switcher-label {
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.theme-select {
  min-width: 146px;
  padding: 8px 30px 8px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 10px;
}

@media (max-width: 900px) {
  .ui-panel {
    top: 18px;
    right: 18px;
    gap: 10px;
  }

  .theme-switcher {
    right: 18px;
    bottom: 18px;
  }
}