:root {
  color-scheme: dark;
  --bg: #0d1012;
  --surface: #151a1e;
  --surface-2: #1d2429;
  --surface-3: #263039;
  --line: rgba(231, 238, 242, 0.12);
  --line-strong: rgba(231, 238, 242, 0.2);
  --text: #eef4f5;
  --muted: #98a7af;
  --accent: #f2c14e;
  --teal: #35c0a2;
  --coral: #ef476f;
  --blue: #4d96ff;
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.34);
  --control-h: 38px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
}

button,
select,
input {
  font: inherit;
}

button,
select,
.file-button {
  min-height: var(--control-h);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

button,
.file-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  cursor: pointer;
  font-weight: 750;
}

button:hover,
select:hover,
.file-button:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
}

button:disabled {
  cursor: default;
  color: #64717a;
  background: rgba(255, 255, 255, 0.035);
}

select {
  padding: 0 36px 0 12px;
}

input[type="range"] {
  width: 100%;
  margin: 0;
  accent-color: var(--accent);
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 348px;
  height: 100vh;
  background: #0d1012;
}

.viewer-area {
  position: relative;
  min-width: 0;
  height: 100vh;
  overflow: hidden;
  background: #0f1315;
}

#replayCanvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
}

#replayCanvas.dragging {
  cursor: grabbing;
}

.topbar {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  pointer-events: none;
  z-index: 4;
}

.file-controls,
.view-controls,
.timeline-dock {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(14, 18, 21, 0.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  pointer-events: auto;
}

.file-controls,
.view-controls {
  padding: 8px;
}

.file-button {
  color: #211804;
  border-color: rgba(242, 193, 78, 0.72);
  background: var(--accent);
}

.file-button:hover {
  background: #ffd66a;
}

#fileInput {
  position: fixed;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.timeline-dock {
  position: absolute;
  left: clamp(16px, 3vw, 42px);
  right: clamp(16px, 3vw, 42px);
  bottom: 18px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 12px 14px;
  z-index: 5;
}

.timeline-meta {
  display: flex;
  gap: 8px;
  min-width: 104px;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

#currentTime {
  color: var(--text);
  font-weight: 850;
}

#timeline {
  min-width: 0;
}

.drop-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(10, 13, 15, 0.76);
  color: var(--text);
  font-size: 24px;
  font-weight: 850;
  letter-spacing: 0;
  pointer-events: none;
  z-index: 8;
}

.drop-overlay[hidden] {
  display: none !important;
}

.drop-overlay div {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(21, 26, 30, 0.88);
  padding: 22px 30px;
  box-shadow: var(--shadow);
}

.toast {
  position: absolute;
  left: 20px;
  bottom: 88px;
  max-width: min(520px, calc(100vw - 420px));
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(21, 26, 30, 0.94);
  color: var(--text);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
  z-index: 6;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.side-panel {
  height: 100vh;
  overflow-y: auto;
  border-left: 1px solid var(--line);
  background: linear-gradient(180deg, #171d21 0%, #111619 100%);
  padding: 20px;
}

.replay-header {
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: 24px;
  line-height: 1.16;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.replay-header p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.45;
}

.control-block,
.info-grid,
.players-block,
.messages-block {
  margin-bottom: 16px;
}

.control-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  padding: 12px;
}

.transport-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.play-button {
  color: #201704;
  border-color: rgba(242, 193, 78, 0.8);
  background: var(--accent);
  font-weight: 900;
}

.play-button:hover {
  background: #ffd66a;
}

.speed-control {
  margin-top: 14px;
  display: grid;
  gap: 8px;
}

.speed-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.speed-label-row strong {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.toggles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.toggles label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  color: var(--text);
}

.toggles input {
  accent-color: var(--teal);
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.info-grid div,
.player-row,
.message-row {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.info-grid div {
  padding: 10px;
}

.info-grid span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
}

.info-grid strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 15px;
}

.players-list,
.message-list {
  display: grid;
  gap: 8px;
}

.player-row,
.message-row {
  display: grid;
  gap: 4px;
  padding: 10px;
}

.player-top {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.swatch {
  width: 12px;
  height: 12px;
  flex: 0 0 12px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.player-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 800;
}

.player-stats,
.message-time {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.message-row p {
  margin: 0;
  line-height: 1.4;
}

.empty-state {
  color: var(--muted);
  line-height: 1.45;
}

@media (max-width: 900px) {
  body {
    overflow: auto;
  }

  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(58vh, 1fr) auto;
    height: auto;
    min-height: 100vh;
  }

  .viewer-area {
    height: 64vh;
  }

  .side-panel {
    height: auto;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

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

  .file-controls,
  .view-controls {
    width: 100%;
    justify-content: space-between;
  }

  .file-controls select {
    min-width: 0;
    width: 100%;
  }

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

  .toast {
    max-width: calc(100vw - 40px);
  }
}

@media (max-width: 520px) {
  .viewer-area {
    height: 58vh;
  }

  .topbar {
    top: 10px;
    left: 10px;
    right: 10px;
  }

  .file-controls {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
  }

  .timeline-dock {
    left: 10px;
    right: 10px;
    bottom: 10px;
  }

  .side-panel {
    padding: 16px;
  }

  .info-grid,
  .toggles {
    grid-template-columns: 1fr;
  }
}