:root {
  color-scheme: dark;
  --bg: #090a0f;
  --panel: #151722;
  --panel-soft: #1d202d;
  --line: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.62);
  --hot: #ff4f8b;
  --cyan: #40d9ff;
  --good: #3ee086;
  --warn: #ffd166;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

.app {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 16px;
  padding: 18px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.sdk-tabs {
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.tab {
  min-height: 38px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
}

.tab.active {
  border-color: rgba(255, 79, 139, 0.78);
  background: rgba(255, 79, 139, 0.18);
  color: var(--text);
}

.eyebrow,
.pane-kicker {
  margin: 0 0 4px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(20px, 3vw, 34px);
}

h2 {
  font-size: 17px;
}

.status,
.metric {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--warn);
  box-shadow: 0 0 14px currentColor;
}

.dot.ready {
  background: var(--good);
}

.dot.error {
  background: #ff5f72;
}

.readiness {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.check {
  min-width: 0;
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 7px 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.check::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--warn);
}

.check.ok {
  color: rgba(255, 255, 255, 0.82);
}

.check.ok::before {
  background: var(--good);
}

.check.error::before {
  background: #ff5f72;
}

.compare-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pane {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(clamp(190px, 34vh, 300px), 1fr) auto;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.stage {
  position: relative;
  min-height: clamp(190px, 34vh, 300px);
  overflow: hidden;
  border-radius: 8px;
  background: #030406;
}

.sdk-label {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
  min-height: 30px;
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.52);
  color: rgba(255, 255, 255, 0.70);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
  backdrop-filter: blur(12px);
}

.sdk-label.hidden {
  display: none;
}

canvas,
video {
  width: 100%;
  height: 100%;
}

canvas {
  display: block;
  object-fit: cover;
}

video {
  position: fixed;
  width: 1px;
  height: 1px;
  left: -10px;
  top: -10px;
  opacity: 0;
  pointer-events: none;
}

.hint {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 8px;
  padding: 24px;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.hint span {
  max-width: 420px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.hint.hidden {
  display: none;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
}

.metrics div {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

dd {
  margin: 6px 0 0;
  overflow: hidden;
  font-size: 16px;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.controls {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(220px, 280px) minmax(460px, 1fr);
  gap: 14px;
  align-items: stretch;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.button-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.preset-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

button {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--hot), #8a52ff);
  color: white;
  cursor: pointer;
  font-size: 14px;
  font-weight: 900;
}

button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.08);
}

button.preset {
  min-height: 36px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.07);
  color: var(--muted);
  font-size: 13px;
}

button.preset.active {
  border-color: rgba(255, 79, 139, 0.70);
  background: rgba(255, 79, 139, 0.18);
  color: var(--text);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.toggles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.toggles label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

input[type="checkbox"] {
  accent-color: var(--hot);
}

.slider-grid {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(5, minmax(132px, 1fr));
  gap: 12px;
}

.slider-grid label {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 34px;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

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

output {
  text-align: right;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 1440px) {
  .app {
    padding: 20px 24px;
  }

  .stage {
    min-height: clamp(210px, 34vh, 340px);
  }
}

@media (min-width: 981px) and (max-height: 780px) {
  .app {
    height: auto;
    grid-template-rows: auto auto auto auto;
    gap: 12px;
  }

  .pane {
    grid-template-rows: auto minmax(170px, 1fr) auto;
    gap: 10px;
  }

  .stage {
    min-height: 170px;
  }

  .metrics div {
    padding: 8px;
  }

  .controls {
    margin-top: 4px;
  }
}

@media (max-width: 1439px) and (min-width: 981px) {
  .controls {
    grid-template-columns: minmax(280px, 1fr) minmax(220px, 0.7fr);
    align-items: stretch;
  }

  .toggles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .app {
    height: 100svh;
    min-height: 100svh;
    max-height: 100svh;
    grid-template-rows: auto auto auto minmax(0, 1fr) auto;
    padding: 8px;
    gap: 8px;
  }

  .topbar,
  .compare-grid,
  .controls {
    grid-template-columns: 1fr;
  }

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

  .topbar {
    padding: 10px;
  }

  h1 {
    font-size: 18px;
  }

  .status {
    min-height: 28px;
    padding: 5px 8px;
    font-size: 12px;
  }

  .sdk-tabs {
    display: grid;
  }

  .readiness {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .check {
    min-height: 30px;
    padding: 5px 7px;
    font-size: 11px;
  }

  .compare-grid {
    display: grid;
    min-height: 0;
  }

  .pane {
    display: none;
    min-height: 0;
    padding: 9px;
    grid-template-rows: auto minmax(0, 1fr) auto;
  }

  .pane.active {
    display: grid;
  }

  .stage {
    min-height: 0;
  }

  .controls {
    display: grid;
    gap: 8px;
    max-height: none;
    overflow: visible;
    padding: 9px 9px calc(9px + env(safe-area-inset-bottom));
  }

  .button-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  button {
    min-height: 38px;
    font-size: 13px;
  }

  .preset-row {
    gap: 6px;
  }

  button.preset {
    min-height: 32px;
    font-size: 12px;
  }

  .toggles {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .toggles label {
    justify-content: center;
    min-height: 30px;
    padding: 5px 4px;
    overflow: hidden;
    font-size: 11px;
    text-overflow: ellipsis;
  }

  .toggles input {
    width: 14px;
    height: 14px;
    flex: 0 0 auto;
  }

  .slider-grid {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .slider-grid label {
    grid-template-columns: 38px minmax(0, 1fr) 30px;
    gap: 7px;
    font-size: 12px;
  }

  input[type="range"] {
    height: 18px;
  }

  .metrics div {
    padding: 7px;
  }

  dd {
    font-size: 13px;
  }
}

@media (max-width: 1280px) and (min-width: 981px) {
  .app {
    min-height: 760px;
  }

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

  .pane:first-child {
    grid-column: 1 / -1;
  }

}

@media (max-width: 1100px) and (min-width: 981px) {
  .slider-grid {
    grid-template-columns: repeat(3, minmax(132px, 1fr));
  }
}

@media (max-width: 430px) {
  .topbar {
    gap: 8px;
  }

  .button-row {
    gap: 6px;
  }

  button {
    padding: 0 7px;
    font-size: 12px;
  }

  .metrics {
    gap: 6px;
  }
}

@media (max-width: 980px) and (max-height: 740px) {
  .app {
    gap: 6px;
    padding: 6px;
  }

  .topbar {
    padding: 8px;
  }

  h1 {
    font-size: 16px;
  }

  .eyebrow {
    display: none;
  }

  .tab {
    min-height: 34px;
  }

  .readiness {
    display: none;
  }

  .pane {
    padding: 7px;
    gap: 8px;
  }

  .pane-kicker {
    display: none;
  }

  h2 {
    font-size: 15px;
  }

  .controls {
    gap: 6px;
    padding: 7px 7px calc(7px + env(safe-area-inset-bottom));
  }

  button {
    min-height: 34px;
  }

  button.preset {
    min-height: 28px;
  }

  .toggles label {
    min-height: 28px;
    font-size: 10px;
  }

  .slider-grid {
    gap: 4px;
  }

  .slider-grid label {
    grid-template-columns: 34px minmax(0, 1fr) 28px;
    font-size: 11px;
  }
}