:root {
  color-scheme: dark;
  --bg: #07080d;
  --panel: #11131b;
  --panel-2: #171a24;
  --line: #2a2e3d;
  --text: #f4f6ff;
  --muted: #9aa3b8;
  --cyan: #30d6ff;
  --pink: #ff4fb8;
  --gold: #ffd166;
  --green: #80ffb3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  overflow: hidden;
  min-height: 100vh;
  background: radial-gradient(circle at 50% 0%, #1e2230 0%, var(--bg) 48%, #030408 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 1px solid #394052;
  border-radius: 8px;
  background: #202534;
  color: var(--text);
  min-height: 40px;
  padding: 0 14px;
  cursor: pointer;
}

button:hover,
button.active {
  border-color: var(--cyan);
  background: #18364a;
}

.app {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 18px;
  height: 100vh;
  min-height: 0;
  overflow: hidden;
  padding: 18px;
}

.stage-panel,
.control-panel {
  border: 1px solid var(--line);
  background: rgba(13, 15, 22, 0.88);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.45);
}

.stage-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.topbar-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  min-width: 0;
}

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

.topbar-buttons button {
  min-width: 72px;
  min-height: 38px;
  padding: 0 12px;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 24px;
}

h2 {
  font-size: 16px;
}

.clock {
  min-width: 132px;
  text-align: right;
}

.clock span {
  display: block;
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  line-height: 1;
}

.clock small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.stage-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
}

.beat-grid {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 50%, black 35%, transparent 78%);
}

.control-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow: auto;
  padding: 16px;
}

.control-panel section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 14px;
}

.buttons,
.preset-grid,
.time-row,
.stage-settings,
.section-title {
  display: grid;
  gap: 10px;
}

.buttons {
  grid-template-columns: repeat(3, 1fr);
}

.preset-grid {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 12px;
}

.preset-grid.compact {
  margin-top: 12px;
}

.preset-grid.compact button {
  min-height: 36px;
}

.time-row {
  grid-template-columns: 1fr 1fr;
}

.stage-settings {
  grid-template-columns: 1fr 1fr;
}

.save-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.save-grid button,
.save-grid input,
.save-grid select {
  min-height: 38px;
}

.save-grid input[type="search"],
.save-grid select {
  grid-column: 1 / 3;
}

.save-grid #loadCompositionBtn,
.save-grid #newCompositionBtn {
  min-width: 112px;
}

.section-title {
  grid-template-columns: 1fr auto;
  align-items: center;
  margin-bottom: 12px;
}

.collapse-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border-color: #303648;
  background: #151925;
  font-weight: 800;
  text-align: left;
}

.collapse-toggle span {
  margin-left: auto;
  margin-right: 12px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
}

.collapse-toggle::after {
  content: "+";
  color: var(--muted);
  font-size: 20px;
  line-height: 1;
}

.collapse-toggle[aria-expanded="true"]::after {
  content: "-";
}

.collapse-body {
  margin-top: 12px;
}

label {
  display: grid;
  gap: 7px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

input,
textarea {
  width: 100%;
  border: 1px solid #343a4c;
  border-radius: 8px;
  background: #0c0e14;
  color: var(--text);
  padding: 10px;
}

input[type="range"] {
  accent-color: var(--cyan);
  padding: 0;
}

textarea {
  resize: vertical;
  line-height: 1.5;
}

.cue-list {
  display: grid;
  gap: 8px;
}

.performer-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.performer-chip {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid currentColor;
  border-radius: 999px;
  background: #081018;
  color: #ffffff;
  font-weight: 800;
  font-size: 13px;
  line-height: 1;
  box-shadow: 0 0 14px color-mix(in srgb, currentColor 45%, transparent);
}

.cue-row {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr) 40px 58px;
  gap: 8px;
  align-items: center;
  padding: 8px;
  border: 1px solid #303648;
  border-radius: 8px;
  background: var(--panel-2);
}

.cue-row input,
.cue-row select,
.cue-row button {
  min-width: 0;
  border: 1px solid #3a4053;
  border-radius: 6px;
  background: #0d1018;
  color: var(--text);
  padding: 8px;
}

.cue-field {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.cue-field span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
}

.cue-field input,
.cue-field select {
  width: 100%;
}

.cue-field[data-field="time"] {
  grid-column: 1;
  grid-row: 1;
}

.cue-row input[aria-label="秒数"] {
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.cue-field[data-field="label"] {
  grid-column: 2;
  grid-row: 1;
}

.cue-row button[aria-label="ブロック削除"] {
  grid-column: 3;
  grid-row: 1;
  width: 34px;
  min-height: 34px;
  padding: 0;
  background: #24161b;
  border-color: #5b2a35;
  color: #ffb8c4;
  font-size: 20px;
  line-height: 1;
}

.cue-row button[aria-label="ブロック複製"] {
  grid-column: 4;
  grid-row: 1;
  justify-self: end;
  min-height: 30px;
  padding: 0 10px;
  border-color: #245064;
  background: #102737;
  color: #bfefff;
  font-size: 12px;
  font-weight: 800;
}

.cue-row.current {
  border-color: var(--gold);
  box-shadow: 0 0 22px rgba(255, 209, 102, 0.14);
}

@media (max-width: 980px) {
  body {
    overflow: auto;
  }

  .app {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }

  .control-panel {
    max-height: none;
  }
}

@media (max-width: 560px) {
  .app {
    padding: 10px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-controls {
    width: 100%;
    justify-content: space-between;
  }

  .topbar-buttons {
    flex-wrap: wrap;
  }

  .clock {
    text-align: left;
  }

  .buttons,
  .preset-grid,
  .time-row,
  .stage-settings,
  .cue-row {
    grid-template-columns: 1fr;
  }
}