:root {
  color-scheme: dark;
  --bg: #161616;
  --panel: #232323;
  --panel2: #2d2d2d;
  --line: #414141;
  --text: #f3f0ea;
  --muted: #b7b0a5;
  --accent: #ff5a7a;
  --accent2: #31c6b2;
  --warn: #ffc45c;
  --danger: #ff6b5f;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 90, 122, 0.12), transparent 28%),
    linear-gradient(315deg, rgba(49, 198, 178, 0.1), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Microsoft YaHei UI", "PingFang SC", sans-serif;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  border: 1px solid var(--line);
  background: #303030;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
}

button:hover { border-color: var(--accent2); }
button:active { transform: translateY(1px); }
input, select, textarea {
  border: 1px solid var(--line);
  background: #171717;
  border-radius: 4px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent2); }

.md-app {
  height: 100vh;
  display: grid;
  grid-template-columns: 104px minmax(460px, 0.9fr) minmax(560px, 48vw);
  grid-template-rows: 32px 1fr;
}

.md-menu {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  border-bottom: 1px solid #0f0f0f;
  background: #252525;
  box-shadow: inset 0 -1px 0 rgba(255,255,255,0.04);
}
.md-menu strong {
  margin-right: 10px;
  color: var(--warn);
  letter-spacing: 0;
}
.md-home-link {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text);
  background: transparent;
  text-decoration: none;
  white-space: nowrap;
}
.md-home-link:hover {
  border-color: var(--accent2);
  color: var(--accent2);
}
.md-menu button {
  min-height: 24px;
  padding: 2px 9px;
  background: transparent;
}
#saveState {
  margin-left: auto;
  color: var(--accent2);
}
#quotaState { color: var(--muted); }

.md-rail {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 10px 8px;
  border-right: 1px solid #111;
  background: linear-gradient(180deg, #2f3b42, #3a2c38);
}
.md-clock {
  font-family: "Bahnschrift", "Consolas", monospace;
  font-size: 1.25rem;
  line-height: 1.1;
  text-align: center;
}
.md-note-pos {
  min-height: 22px;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}
.md-field {
  display: grid;
  gap: 3px;
  color: var(--muted);
  font-size: 0.78rem;
}
.md-field input,
.md-field select {
  width: 100%;
  min-height: 26px;
  padding: 3px 6px;
}
.md-transport {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}
.md-transport button {
  position: relative;
  min-height: 36px;
  font-weight: 800;
}
.md-transport button[data-key]::after {
  content: attr(data-key);
  position: absolute;
  right: 4px;
  bottom: 2px;
  color: rgba(255,255,255,0.58);
  font-size: 8px;
  font-weight: 600;
  line-height: 1;
}
#sendViewBtn {
  grid-column: 1 / -1;
  color: #07110f;
  background: var(--accent2);
  border-color: transparent;
}
#sendViewBtn[data-key]::after {
  color: rgba(7,17,15,0.64);
}
.md-toggle {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 0.78rem;
}
.md-toggle input { accent-color: var(--accent2); }
.md-wide { width: 100%; }
.md-stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.22);
  border-radius: 4px;
}
.md-stat span { color: var(--muted); }
.md-stat strong { color: var(--danger); }

.md-editor {
  position: relative;
  z-index: 1;
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr 122px;
  background: rgba(18,18,18,0.88);
}
.md-info {
  display: grid;
  grid-template-columns: 1.4fr 1.1fr 1fr 120px 154px;
  gap: 8px;
  padding: 8px;
  border-bottom: 1px solid #111;
  background: var(--panel);
}
.md-info label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px;
  align-items: center;
  color: var(--muted);
  font-size: 0.8rem;
}
.md-info input,
.md-info select {
  min-width: 0;
  min-height: 28px;
  padding: 4px 7px;
}
.md-text-shell {
  position: relative;
  min-height: 0;
  height: 100%;
  border-top: 1px solid #0f0f0f;
  border-bottom: 1px solid #0f0f0f;
  background: #141414;
  overflow: hidden;
}
.md-corner-ruler {
  position: absolute;
  z-index: 2;
  left: 0;
  top: 0;
  width: 54px;
  height: 22px;
  border-right: 1px solid #252525;
  border-bottom: 1px solid #252525;
  background: #101010;
}
.md-column-ruler {
  position: absolute;
  z-index: 2;
  left: 54px;
  right: 0;
  top: 0;
  height: 22px;
  overflow: hidden;
  padding: 3px 16px 0;
  border-bottom: 1px solid #252525;
  color: #747474;
  background: #101010;
  font: 15px/1 Consolas, "Cascadia Mono", "Microsoft YaHei UI", monospace;
  white-space: pre;
  user-select: none;
  pointer-events: none;
}
.md-line-gutter {
  position: absolute;
  z-index: 2;
  left: 0;
  top: 22px;
  bottom: 24px;
  width: 54px;
  overflow: hidden;
  padding: 14px 8px 14px 0;
  border-right: 1px solid #252525;
  color: #747474;
  background: #101010;
  font: 15px/1.55 Consolas, "Cascadia Mono", monospace;
  text-align: right;
  white-space: pre;
  user-select: none;
  pointer-events: none;
}
#fumenEditor {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 36px 16px 34px 70px;
  resize: none;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #eeeeee;
  font-family: Consolas, "Cascadia Mono", "Microsoft YaHei UI", monospace;
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: 0;
  tab-size: 2;
  overflow-wrap: break-word;
  word-break: break-word;
  pointer-events: auto;
  user-select: text;
  outline: none;
}
.md-highlight-layer {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 36px 16px 34px 70px;
  overflow: hidden;
  border: 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px) 0 0 / 44px 44px,
    #141414;
  color: transparent;
  font-family: Consolas, "Cascadia Mono", "Microsoft YaHei UI", monospace;
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: 0;
  tab-size: 2;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  word-break: break-word;
  pointer-events: none;
  user-select: none;
}
.md-syntax-highlight {
  color: transparent;
  background: linear-gradient(to top, rgba(255, 217, 102, 0.9) 0 54%, transparent 54%);
}
.md-editor-status {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 0;
  height: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 2px 8px 2px 58px;
  border-top: 1px solid #252525;
  color: #bdb7ac;
  background: #181818;
  font: 12px/1.35 Consolas, "Microsoft YaHei UI", monospace;
}
#editorEdgeMessage {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#editorEdgeCursor {
  color: #d6d1c7;
  white-space: nowrap;
}
.md-editor-status.is-error {
  color: #ffd966;
  background: #181818;
}
.md-editor-status.is-error #editorEdgeCursor {
  color: #ffd966;
}

.md-wave {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 34px;
  gap: 6px;
  align-items: stretch;
  padding: 8px;
  border-top: 1px solid #111;
  background: #1d1d1d;
}
.md-wave canvas {
  width: 100%;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #101010;
}

.md-viewer {
  position: relative;
  z-index: 0;
  min-width: 0;
  display: grid;
  grid-template-rows: 34px minmax(460px, 1.25fr) auto auto 104px;
  border-left: 1px solid #111;
  background: var(--panel2);
}
.md-view-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  border-bottom: 1px solid #111;
}
#viewerState { color: var(--muted); font-size: 0.82rem; }
.md-unity {
  position: relative;
  min-height: 0;
  background: #050505;
}
.md-unity canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.md-unity-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: #050505;
}
.md-scrub {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 86px 58px;
  gap: 8px;
  padding: 8px;
  border-top: 1px solid #111;
}
.md-scrub input[type="range"] { accent-color: var(--accent); }
.md-scrub input[type="number"] { padding: 4px 6px; }
.md-assets {
  display: grid;
  gap: 8px;
  padding: 8px;
  border-top: 1px solid #111;
}
.md-assets label:not(.md-toggle) {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 0.78rem;
}
.md-assets input[type="file"] {
  width: 100%;
  padding: 4px;
}
#diagnostics {
  margin: 0;
  padding: 8px 10px;
  overflow: auto;
  border-top: 1px solid #111;
  color: #d8d2c8;
  background: #181818;
  font: 12px/1.45 Consolas, monospace;
  white-space: pre-wrap;
}
#diagnostics.is-error {
  color: #ffd966;
  background: #181818;
}

#projectDialog {
  width: min(720px, calc(100vw - 40px));
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0;
  color: var(--text);
  background: #202020;
}
#projectDialog::backdrop { background: rgba(0,0,0,0.62); }
#importDialog,
#soundDialog {
  width: min(420px, calc(100vw - 40px));
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0;
  color: var(--text);
  background: #202020;
}
#importDialog { width: min(620px, calc(100vw - 40px)); }
#soundDialog::backdrop { background: rgba(0,0,0,0.5); }
#importDialog::backdrop { background: rgba(0,0,0,0.56); }
.md-dialog {
  display: grid;
  gap: 10px;
  padding: 12px;
}
.md-dialog header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.md-sound-dialog label {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 0.84rem;
}
.md-sound-dialog input[type="range"] {
  width: 100%;
  accent-color: var(--accent2);
}
.md-dialog select,
.md-search {
  min-height: 32px;
  padding: 5px 8px;
}
.md-project-list {
  display: grid;
  gap: 8px;
  max-height: 55vh;
  overflow: auto;
}
.md-song-import-list {
  display: grid;
  gap: 8px;
  max-height: 58vh;
  overflow: auto;
}
.md-project-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #303030;
  text-align: left;
}
.md-project-item small { color: var(--muted); }
.md-project-open {
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
}
.md-project-open:hover { border-color: transparent; }
.md-project-delete {
  color: var(--danger);
  background: rgba(255, 107, 95, 0.08);
}
.md-song-import-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #303030;
  text-align: left;
}
.md-song-import-item:hover { border-color: var(--accent2); }
.md-song-import-item small { color: var(--muted); }

@media (max-width: 1180px) {
  .md-app {
    overflow: auto;
    height: auto;
    min-height: 100vh;
    grid-template-columns: 94px minmax(0, 1fr);
    grid-template-rows: 32px minmax(680px, 78vh) 740px;
  }
  .md-viewer {
    grid-column: 1 / -1;
    grid-row: 3;
    border-left: 0;
    border-top: 1px solid #111;
  }
}