:root {
  color-scheme: dark;
  --bg: #0b0e14;
  --bg-elevated: #141a24;
  --bg-soft: #1b2331;
  --panel: rgba(20, 26, 36, 0.86);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #ecf2ff;
  --muted: #a4b2cc;
  --accent: #6ec2f2;
  --accent-strong: #1782c9;
  --danger: #ff7e87;
  --grid: rgba(255, 255, 255, 0.08);
  --midi: #61c8ff;
  --artnet: #ffb35c;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  font-size: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(110, 194, 242, 0.18), transparent 34%),
    radial-gradient(circle at top right, rgba(23, 130, 201, 0.16), transparent 28%),
    linear-gradient(180deg, #09111b 0%, #101a28 100%);
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI Variable Text", "Aptos", sans-serif;
}

body {
  min-height: 100vh;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(110, 194, 242, 0.2), rgba(23, 130, 201, 0.15));
  color: var(--text);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
  font-size: 0.92rem;
}

button:hover {
  transform: translateY(-1px);
  border-color: rgba(110, 222, 242, 0.45);
}

button.ghost {
  background: rgba(255, 255, 255, 0.04);
}

input,
select {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 0.56rem 0.7rem;
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  font-size: 0.92rem;
}

.app-shell {
  display: grid;
  grid-template-columns: 286px minmax(0, 1fr);
  gap: 12px;
  min-height: 100vh;
  padding: 12px;
}

.sidebar,
.workspace {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  padding: 14px;
}

.brand-panel {
  overflow: hidden;
  position: relative;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 96px;
  max-width: 36%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.35));
}

.brand-panel::after {
  content: "";
  position: absolute;
  inset: auto -80px -100px auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(110, 194, 242, 0.24), transparent 68%);
  pointer-events: none;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.64rem;
  color: var(--accent);
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 1.24rem;
  line-height: 1.15;
}

.brand-credit {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h2 {
  font-size: 0.9rem;
}

p {
  color: var(--muted);
  line-height: 1.4;
  font-size: 0.9rem;
}

.panel-header,
.transport-main,
.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.panel-actions,
.transport-controls,
.editor-hints {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.editor-hints span,
.meta-row span,
.transport-label {
  font-size: 0.7rem;
  color: var(--muted);
}

.field,
.field-grid {
  display: grid;
  gap: 0.32rem;
}

.field {
  margin-top: 8px;
}

.checkbox-row {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.checkbox-row input {
  width: 16px;
  height: 16px;
}

.field span {
  font-size: 0.72rem;
  color: var(--muted);
}

.field-grid {
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.checkbox {
  align-content: end;
}

.checkbox input {
  width: 16px;
  height: 16px;
}

.meta-row {
  margin-top: 8px;
  display: grid;
  gap: 0.18rem;
}

.path-label {
  display: block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.timeline-list,
.track-list,
#timelineInspector,
#selectionInspector {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.timeline-card,
.track-card,
.info-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
}

.selectable-card {
  cursor: pointer;
}

.timeline-card.active,
.track-card.active {
  border-color: rgba(110, 194, 242, 0.52);
  background: rgba(110, 194, 242, 0.12);
}

.track-card.drag-source {
  opacity: 0.62;
}

.track-card.drag-before {
  box-shadow: inset 0 3px 0 rgba(110, 194, 242, 0.9);
}

.track-card.drag-after {
  box-shadow: inset 0 -3px 0 rgba(110, 194, 242, 0.9);
}

.track-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.14rem 0.44rem;
  font-size: 0.62rem;
  font-weight: 700;
  color: #081118;
}

.track-pill.midi {
  background: var(--midi);
}

.track-pill.artnet {
  background: var(--artnet);
}

.track-pill.midicc {
  background: #78cfff;
}

.track-pill.osc {
  background: #ff8fd1;
}

.track-pill.sacn {
  background: #9ca8ff;
}

.track-pill.audio {
  background: #8ee8c8;
}

.track-pill.serial {
  background: #ff9e6b;
}

.track-pill.modbus {
  background: #6fc2de;
}

.track-pill.knx {
  background: #f26f7d;
}

.track-pill.mqtt {
  background: #f7df68;
}

.track-card-top {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.track-card-body {
  flex: 1;
}

.track-card-actions {
  display: flex;
  gap: 4px;
}

.track-action {
  min-width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 8px;
}

.track-grip {
  position: relative;
  cursor: grab;
}

.track-grip:active {
  cursor: grabbing;
}

.track-grip::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 9px;
  width: 3px;
  height: 3px;
  border-radius: 999px;
  background: rgba(236, 242, 255, 0.72);
  box-shadow:
    0 6px 0 rgba(236, 242, 255, 0.72),
    6px 0 0 rgba(236, 242, 255, 0.72),
    6px 6px 0 rgba(236, 242, 255, 0.72);
}

.workspace {
  min-width: 0;
}

.transport-bar {
  padding: 12px 14px;
}

.transport-main {
  align-items: end;
}

.transport-block {
  display: grid;
  gap: 2px;
}

#timecodeLabel {
  font-size: 1.2rem;
  letter-spacing: 0.08em;
}

.editor {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.canvas-frame {
  margin-top: 10px;
  flex: 1;
  min-height: 0;
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
    rgba(5, 8, 12, 0.62);
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

#timelineCanvas {
  display: block;
  width: 100%;
  height: 100%;
}

.empty-state {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.settings-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  z-index: 40;
}

.settings-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.settings-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 9, 16, 0.72);
  backdrop-filter: blur(10px);
}

.settings-dialog {
  position: relative;
  width: min(1080px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  display: grid;
  gap: 12px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid rgba(110, 194, 242, 0.18);
}

.settings-dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.settings-tabbar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.settings-tab {
  min-width: 92px;
  background: rgba(255, 255, 255, 0.04);
}

.settings-tab.active {
  border-color: rgba(110, 194, 242, 0.48);
  background: linear-gradient(180deg, rgba(110, 194, 242, 0.22), rgba(23, 130, 201, 0.18));
}

.settings-content {
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.settings-tab-panel {
  display: none;
}

.settings-tab-panel.active {
  display: block;
}

.settings-stack {
  display: grid;
  gap: 10px;
}

.settings-section {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.info-card {
  border: 1px solid rgba(110, 194, 242, 0.14);
  border-radius: 14px;
  padding: 10px 12px;
  background: linear-gradient(180deg, rgba(110, 194, 242, 0.08), rgba(255, 255, 255, 0.02));
  color: var(--muted);
  line-height: 1.4;
  font-size: 0.82rem;
}

.info-card strong {
  color: var(--text);
}

.inspector-grid {
  display: grid;
  gap: 8px;
}

.section-label {
  color: var(--muted);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

@media (max-width: 1320px) {
  .app-shell {
    grid-template-columns: 270px minmax(0, 1fr);
  }
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .transport-main,
  .editor-header,
  .settings-dialog-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .settings-dialog {
    width: calc(100vw - 20px);
    max-height: calc(100vh - 20px);
    padding: 14px;
  }
}