:root {
  --bg: #0e100e;
  --panel: #171a16;
  --panel-2: #20241e;
  --line: #3c4137;
  --text: #f4f0e7;
  --muted: #a7ad9e;
  --red: #ff3f46;
  --cyan: #31d9e8;
  --yellow: #f4df43;
  --green: #8bd46b;
  --ink: #050605;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100svh;
  overflow-y: auto;
  padding:
    env(safe-area-inset-top)
    env(safe-area-inset-right)
    env(safe-area-inset-bottom)
    env(safe-area-inset-left);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(135deg, rgba(255, 63, 70, 0.10), transparent 36rem),
    radial-gradient(circle at 18% 8%, rgba(49, 217, 232, 0.14), transparent 32rem),
    radial-gradient(circle at 96% 12%, rgba(244, 223, 67, 0.12), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: "Avenir Next Condensed", "DIN Condensed", "Helvetica Neue", sans-serif;
  -webkit-text-size-adjust: 100%;
}

button,
input {
  font: inherit;
}

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

input[type="number"] {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #11130f;
  color: var(--text);
  font-weight: 900;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

button,
.file-button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #242820;
  color: var(--text);
  cursor: pointer;
  touch-action: manipulation;
}

button:hover,
.file-button:hover {
  border-color: #6b7261;
  background: #2b3027;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.34;
}

button:focus-visible,
input:focus-visible,
canvas:focus-visible,
.file-button:focus-within {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

.app-shell {
  width: min(1720px, calc(100vw - 24px));
  margin: 0 auto;
  padding: 18px 0 22px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 72px;
  padding: 0 2px 14px;
}

.brand-lockup {
  display: grid;
  grid-template-columns: 48px auto;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  position: relative;
  width: 48px;
  height: 58px;
  border: 2px solid #4d5348;
  border-radius: 6px;
  background:
    linear-gradient(90deg, transparent 0 14px, rgba(244, 223, 67, 0.12) 14px 16px, transparent 16px),
    #12140f;
  box-shadow: inset 0 0 0 4px #0e100e, 0 12px 28px rgba(0, 0, 0, 0.36);
}

.brand-mark span {
  position: absolute;
  top: 7px;
  bottom: 7px;
  width: 3px;
  border-radius: 3px;
}

.brand-mark span:first-child {
  left: 13px;
  background: var(--red);
}

.brand-mark span:last-child {
  right: 13px;
  background: var(--cyan);
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--yellow);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  display: flex;
  gap: 0.08em;
  font-size: clamp(2rem, 4vw, 4.8rem);
  font-stretch: condensed;
  line-height: 0.86;
  letter-spacing: 0;
  text-transform: uppercase;
}

.brand-line {
  color: var(--cyan);
  text-shadow: 2px 0 0 rgba(255, 63, 70, 0.72);
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 8px;
}

.top-actions button,
.file-button {
  padding: 0 15px;
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
}

.file-button {
  display: inline-grid;
  place-items: center;
}

.file-button input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.workspace {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.control-panel,
.stage-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(24, 26, 23, 0.96);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
}

.control-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px;
  position: sticky;
  top: 12px;
}

.panel-section {
  padding: 12px;
  border: 1px solid #2d312a;
  border-radius: 7px;
  background: var(--panel-2);
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.segmented,
.zoom-grid {
  display: grid;
  gap: 6px;
}

.segmented {
  grid-template-columns: 1fr 1fr;
  margin-bottom: 8px;
}

.segment,
.zoom-button,
.side-button {
  font-weight: 900;
}

.active {
  border-color: var(--yellow);
  color: var(--ink);
  background: var(--yellow);
}

.zoom-grid {
  grid-template-columns: repeat(7, minmax(42px, 1fr));
}

.zoom-button {
  min-height: 30px;
  padding: 0 8px;
  font-size: 0.76rem;
}

.metrics {
  display: grid;
  gap: 7px;
  margin: 0;
}

.metrics div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid #31352e;
}

.metrics div:last-child {
  border-bottom: 0;
}

.metrics dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.metrics dd {
  margin: 0;
  font-size: 1.03rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.mini-button {
  min-height: 28px;
  padding: 0 9px;
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.action-stack {
  display: grid;
  gap: 7px;
}

.action-stack button {
  width: 100%;
  font-weight: 800;
}

.control-row,
.toggle-row {
  display: grid;
  gap: 8px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.control-row {
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: center;
}

.control-row input[type="range"] {
  width: 100%;
}

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

.toggle-row input {
  width: 16px;
  height: 16px;
  accent-color: var(--yellow);
}

.angle-tools {
  display: grid;
  grid-template-columns: 1fr 76px 1fr 48px;
  gap: 6px;
  margin-top: 8px;
}

.stage-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-width: 0;
  overflow: hidden;
}

.canvas-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.canvas-status {
  display: grid;
  gap: 4px;
  min-width: 180px;
}

.canvas-zoom {
  display: grid;
  grid-template-columns: auto minmax(360px, 1fr) auto;
  align-items: center;
  gap: 9px;
  width: min(820px, 100%);
}

.zoom-label {
  white-space: nowrap;
}

.loupe-control {
  display: grid;
  grid-template-columns: auto 96px 46px;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}

.loupe-control input {
  width: 100%;
}

.canvas-scroll {
  position: relative;
  max-height: min(980px, calc(100vh - 148px));
  min-height: min(720px, calc(100vh - 148px));
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

#stageCanvas {
  display: block;
  position: sticky;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  min-height: 0;
  background:
    linear-gradient(45deg, #141612 25%, transparent 25%),
    linear-gradient(-45deg, #141612 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #141612 75%),
    linear-gradient(-45deg, transparent 75%, #141612 75%),
    #0c0d0b;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
  background-size: 24px 24px;
  cursor: crosshair;
  touch-action: none;
}

.canvas-world {
  width: 100%;
  height: 0;
  pointer-events: none;
}

@media (max-width: 980px) {
  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .top-actions {
    justify-content: start;
  }

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

  .stage-panel {
    order: 1;
  }

  .control-panel {
    max-height: none;
    order: 2;
    position: static;
  }
}

@media (max-width: 620px) {
  body {
    overflow-x: hidden;
  }

  .app-shell {
    width: min(100vw - 14px, 1720px);
    padding: 10px 0 max(14px, env(safe-area-inset-bottom));
  }

  .topbar {
    gap: 10px;
    padding-bottom: 10px;
  }

  .brand-lockup {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 10px;
  }

  .brand-mark {
    width: 40px;
    height: 48px;
  }

  .brand-mark span:first-child {
    left: 10px;
  }

  .brand-mark span:last-child {
    right: 10px;
  }

  .eyebrow {
    font-size: 0.7rem;
  }

  h1 {
    font-size: clamp(2.35rem, 14vw, 3.8rem);
  }

  .top-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .top-actions button,
  .file-button {
    width: 100%;
    min-height: 44px;
    padding: 0 9px;
    font-size: 0.82rem;
  }

  .workspace {
    gap: 8px;
  }

  .canvas-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 8px;
  }

  .canvas-status {
    min-width: 0;
    font-size: 0.72rem;
  }

  .canvas-scroll {
    max-height: min(58svh, 540px);
    min-height: min(58svh, 540px);
  }

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

  .zoom-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .zoom-button {
    min-height: 38px;
  }

  .loupe-control {
    grid-template-columns: 44px minmax(0, 1fr) 48px;
  }

  .control-panel {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(260px, 86vw);
    gap: 8px;
    padding: 8px;
    overflow-x: auto;
    scroll-padding-inline: 8px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .panel-section {
    scroll-snap-align: start;
  }

  .control-row {
    grid-template-columns: 42px minmax(0, 1fr) 44px;
  }

  .angle-tools {
    grid-template-columns: 1fr 70px 1fr 44px;
  }
}

@media (pointer: coarse) {
  button,
  .file-button {
    min-height: 44px;
  }

  input[type="range"] {
    min-height: 30px;
  }
}

@media (display-mode: standalone) {
  body {
    overscroll-behavior-y: none;
  }
}