:root {
  color-scheme: dark;
  --bg: #161814;
  --panel: rgba(27, 29, 25, 0.88);
  --line: rgba(255, 255, 255, 0.16);
  --text: #fffaf0;
  --muted: #cfc7b7;
  --accent: #5ed7c8;
  --accent-2: #ffb65c;
  --danger: #ff6b6b;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
select,
input {
  font: inherit;
}

.app {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  width: 100vw;
  height: 100dvh;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.28) 72%),
    #11130f;
}

.stage {
  position: relative;
  min-width: 0;
  height: 100%;
  overflow: hidden;
  background: #050604;
}

video,
canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

video {
  transform: scaleX(-1);
}

.status {
  position: absolute;
  left: max(18px, env(safe-area-inset-left));
  top: max(18px, env(safe-area-inset-top));
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.48);
  color: var(--text);
  font-size: 15px;
  backdrop-filter: blur(14px);
}

.status.ready {
  color: var(--accent);
}

.status.warn {
  color: var(--accent-2);
}

.status.error {
  color: var(--danger);
}

.stage-controls {
  position: absolute;
  z-index: 3;
  top: max(18px, env(safe-area-inset-top));
  left: max(18px, env(safe-area-inset-left));
  right: max(18px, env(safe-area-inset-right));
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.quick-switch {
  display: flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(10, 12, 9, 0.58);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px);
  pointer-events: auto;
}

.quick-button {
  min-height: 38px;
  padding: 0 13px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: rgba(255, 250, 240, 0.7);
  font-size: 13px;
  font-weight: 650;
}

.quick-button.active {
  background: rgba(255, 255, 255, 0.16);
  color: var(--text);
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

.panel {
  width: 340px;
  height: 100%;
  padding: max(20px, env(safe-area-inset-top)) 18px max(20px, env(safe-area-inset-bottom));
  border-left: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(20px);
  overflow-y: auto;
}

.panel-toggle {
  display: none;
}

.brand {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}

h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 760;
  line-height: 1.05;
}

p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 23px;
}

.control-group,
.slider-group {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

label {
  color: var(--muted);
  font-size: 14px;
}

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

.template {
  min-height: 96px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  text-align: left;
}

.template.active,
.pill.active {
  border-color: color-mix(in srgb, var(--accent) 80%, white 10%);
  background: rgba(94, 215, 200, 0.16);
  box-shadow: inset 0 0 0 1px rgba(94, 215, 200, 0.36);
}

.template span {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 680;
}

.template img {
  display: block;
  width: 100%;
  height: 44px;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.35));
}

.control-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 20px;
}

.pill,
select {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

select {
  padding: 0 14px;
}

.pill {
  padding: 0 14px;
}

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

@media (max-width: 820px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) auto;
  }

  .panel {
    width: 100%;
    height: auto;
    max-height: 42dvh;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 14px max(14px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
    transition: max-height 180ms ease;
  }

  .panel-toggle {
    display: grid;
    width: 100%;
    min-height: 38px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--text);
    place-items: center;
    gap: 5px;
  }

  .panel-toggle-handle {
    width: 38px;
    height: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.32);
  }

  .panel-toggle-label {
    font-size: 13px;
    font-weight: 650;
  }

  .panel.is-collapsed {
    max-height: calc(58px + env(safe-area-inset-bottom));
    overflow: hidden;
  }

  .panel.is-collapsed .panel-content {
    display: none;
  }

  .panel:not(.is-collapsed) .panel-toggle {
    margin-bottom: 12px;
  }

  .status {
    top: max(70px, calc(env(safe-area-inset-top) + 70px));
    left: 50%;
    max-width: calc(100% - 30px);
    transform: translateX(-50%);
    padding: 8px 12px;
    white-space: nowrap;
  }

  .stage-controls {
    top: max(10px, env(safe-area-inset-top));
    left: max(10px, env(safe-area-inset-left));
    right: max(10px, env(safe-area-inset-right));
  }

  .quick-button {
    min-height: 36px;
    padding: 0 11px;
  }

  .brand {
    align-items: center;
    margin-bottom: 12px;
  }

  h1 {
    font-size: 23px;
  }

  .template-grid {
    grid-template-columns: repeat(4, minmax(104px, 1fr));
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .template {
    min-height: 82px;
  }
}

@media (max-width: 540px) {
  .panel:not(.is-collapsed) {
    max-height: 48dvh;
  }

  .template-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}