:root {
  color-scheme: dark;
  --bg: #0b0f13;
  --bg-2: #090c0f;
  --surface: #0f1419;
  --surface-2: #0c1014;
  --ink: #e7f0f1;
  --muted: rgba(231, 240, 241, 0.62);
  --accent: #ff5a1f;
  --accent-2: #7ef7ff;
  --warn: #ffcf5c;
  --shadow-hi: rgba(255, 255, 255, 0.06);
  --shadow-lo: rgba(0, 0, 0, 0.78);
  --neu-up: 10px 10px 24px var(--shadow-lo), -10px -10px 24px var(--shadow-hi);
  --neu-in: inset 8px 8px 18px var(--shadow-lo), inset -8px -8px 18px var(--shadow-hi);
  --ring: 0 0 0 2px rgba(255, 90, 31, 0.35), 0 0 28px rgba(255, 90, 31, 0.16);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.62);

  /* Motion */
  --dur-1: 120ms;
  --dur-2: 180ms;
  --dur-3: 260ms;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  background:
    radial-gradient(circle at 20% 18%, rgba(255, 90, 31, 0.12), transparent 46%),
    radial-gradient(circle at 78% 22%, rgba(126, 247, 255, 0.10), transparent 42%),
    radial-gradient(circle at 38% 86%, rgba(255, 207, 92, 0.07), transparent 58%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
  color: var(--ink);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.18) 0,
    rgba(0, 0, 0, 0.18) 2px,
    rgba(0, 0, 0, 0) 3px,
    rgba(0, 0, 0, 0) 7px
  );
  mix-blend-mode: multiply;
  opacity: 0.35;
  z-index: 2;
  animation: scan 7s linear infinite;
}

@keyframes scan {
  0% {
    transform: translateY(-4px);
  }
  100% {
    transform: translateY(4px);
  }
}

.hidden {
  display: none;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 16px 12px;
  position: sticky;
  top: 0;
  z-index: 3;
  background: linear-gradient(180deg, rgba(12, 16, 20, 0.94), rgba(12, 16, 20, 0.5));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--neu-up);
  background:
    radial-gradient(circle at 30% 30%, rgba(231, 240, 241, 0.9), rgba(255, 90, 31, 0.45) 36%, rgba(11, 15, 19, 0.95) 72%),
    repeating-linear-gradient(135deg, rgba(0, 0, 0, 0.25) 0, rgba(0, 0, 0, 0.25) 5px, rgba(0, 0, 0, 0) 6px, rgba(0, 0, 0, 0) 12px);
}

.brand__tag {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 6px 0 0;
  font-family: "Rubik Mono One", sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface);
  box-shadow: var(--neu-up);
  font-weight: 700;
  transition:
    transform var(--dur-2) var(--ease),
    box-shadow var(--dur-2) var(--ease),
    background var(--dur-2) var(--ease);
  will-change: transform;
}

.pill:hover {
  transform: translateY(-1px);
}

.pill:active {
  transform: translateY(0px) scale(0.985);
  box-shadow: var(--neu-in);
}

.pill:focus-visible {
  outline: none;
  box-shadow: var(--ring), var(--neu-up);
}

.app {
  display: grid;
  gap: 14px;
  padding: 14px;
  min-height: calc(100svh - 88px);
}

.app--two-col {
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
  align-items: stretch;
}

.stage {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: linear-gradient(180deg, rgba(15, 20, 25, 0.75), rgba(5, 6, 8, 0.92));
  min-height: 52svh;
  touch-action: none;
}

.stage__canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.stage.is-dragover {
  outline: 2px solid rgba(255, 90, 31, 0.9);
  outline-offset: 3px;
}

.stage__overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease;
}

.stage.is-flash::after {
  opacity: 1;
}

.drop {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 140ms ease, transform 140ms ease;
}

.stage.is-dragover .drop {
  opacity: 1;
  transform: scale(1);
}

.drop p {
  margin: 0;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(15, 20, 25, 0.74);
  box-shadow: var(--shadow);
  font-family: "Rubik Mono One", sans-serif;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
}

.hud {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(15, 20, 25, 0.55);
  box-shadow: var(--shadow);
  display: grid;
  gap: 8px;
}

.hud__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  min-width: 190px;
}

.hud__label {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.7rem;
}

.hud__value {
  font-family: "Rubik Mono One", sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.dock {
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 22px;
  padding: 12px 12px;
  background: linear-gradient(180deg, rgba(15, 20, 25, 0.82), rgba(12, 16, 20, 0.62));
  box-shadow: var(--neu-up);
  display: grid;
  gap: 10px;
}

.dock--panel {
  align-content: start;
  max-height: calc(100svh - 88px - 28px);
  overflow: auto;
}

.dock__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.cam-btn {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--surface);
  box-shadow: var(--neu-up);
  cursor: pointer;
  position: relative;
  display: grid;
  place-items: center;
  transition:
    transform var(--dur-2) var(--ease),
    box-shadow var(--dur-2) var(--ease),
    background var(--dur-2) var(--ease);
  will-change: transform;
}

.cam-btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.cam-btn:active:not(:disabled) {
  transform: translateY(0px) scale(0.985);
  box-shadow: var(--neu-in);
}

.cam-btn:focus-visible {
  outline: none;
  box-shadow: var(--ring), var(--neu-up);
}

.cam-btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: var(--shadow);
}

.cam-btn__ring {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--neu-in);
}

.cam-btn__dot {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: rgba(255, 90, 31, 0.98);
  box-shadow: 0 0 18px rgba(255, 90, 31, 0.45);
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.cam-btn:active .cam-btn__dot {
  transform: scale(0.85);
}

h2 {
  margin: 0 0 10px;
  font-family: "Rubik Mono One", sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.status {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.06em;
  font-size: 0.95rem;
}

.btn {
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--surface);
  color: var(--ink);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: var(--neu-up);
  font-weight: 700;
  transition:
    transform var(--dur-2) var(--ease),
    box-shadow var(--dur-2) var(--ease),
    background var(--dur-2) var(--ease);
  will-change: transform;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn:active {
  box-shadow: var(--neu-in);
  transform: translateY(0px) scale(0.985);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--ring), var(--neu-up);
}

.btn--primary {
  background: var(--surface-2);
  color: var(--accent);
}

.btn--ghost {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.dock__filters {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.dock__filters::-webkit-scrollbar {
  display: none;
}

.filter {
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--surface);
  border-radius: 999px;
  padding: 10px 12px;
  cursor: pointer;
  box-shadow: var(--neu-up);
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  transition:
    transform var(--dur-2) var(--ease),
    box-shadow var(--dur-2) var(--ease),
    background var(--dur-2) var(--ease);
  will-change: transform;
}

.filter:hover {
  transform: translateY(-1px);
}

.filter:active {
  transform: translateY(0px) scale(0.985);
  box-shadow: var(--neu-in);
}

.filter:focus-visible {
  outline: none;
  box-shadow: var(--ring), var(--neu-up);
}

.filter__name {
  font-weight: 800;
  letter-spacing: 0.02em;
}

.filter__desc {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.2;
  display: none;
}

.filter.is-active {
  box-shadow: var(--ring), var(--neu-up);
}

.dock__sliders {
  display: grid;
  gap: 10px;
}

.export {
  display: grid;
  gap: 10px;
  padding-top: 4px;
}

.export__row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.export__code {
  width: 100%;
  min-height: 160px;
  resize: vertical;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--surface-2);
  color: rgba(231, 240, 241, 0.88);
  box-shadow: var(--neu-in);
  padding: 12px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 0.85rem;
  line-height: 1.35;
  transition: box-shadow var(--dur-2) var(--ease);
}

.export__code:focus {
  outline: none;
  box-shadow: var(--ring), var(--neu-in);
}

.slider {
  display: grid;
  gap: 8px;
}

.slider span {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.7rem;
}

.slider input[type="range"] {
  width: 100%;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 28px;
  background: transparent;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 12px;
  border-radius: 999px;
  background: var(--surface);
  box-shadow: var(--neu-in);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  margin-top: -7px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(0, 0, 0, 0.05));
  box-shadow: var(--neu-up);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: translateY(-1px);
}

input[type="range"]::-webkit-slider-thumb:active {
  box-shadow: var(--ring), var(--neu-in);
  transform: translateY(0px) scale(0.98);
}

input[type="range"]::-moz-range-track {
  height: 12px;
  border-radius: 999px;
  background: var(--surface);
  box-shadow: var(--neu-in);
}

input[type="range"]::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(0, 0, 0, 0.05));
  box-shadow: var(--neu-up);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}

@media (max-width: 920px) {
  .app--two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .app {
    padding: 12px;
  }

  .dock {
    border-radius: 18px;
  }

  .hud {
    left: 10px;
    right: 10px;
    bottom: 10px;
  }

  .hud__row {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  body::before {
    animation: none;
  }

  .pill,
  .btn,
  .filter,
  .cam-btn,
  input[type="range"]::-webkit-slider-thumb,
  input[type="range"]::-moz-range-thumb {
    transition: none !important;
  }
}