:root {
  --panel: rgba(16, 16, 16, 0.92);
  --panel-border: rgba(255, 255, 255, 0.09);
  --headline: #f6fb5e;
  --arrow: #e84122;
  --arrow-deep: #a22112;
  --body: "Instrument Sans", sans-serif;
  --display: "Gotham Ultra Local", "Gotham Ultra", "Gotham-Ultra", "Gotham", Impact,
    Haettenschweiler, "Arial Black", sans-serif;
}

@font-face {
  font-family: "Gotham Ultra Local";
  src:
    local("Gotham Ultra"),
    local("Gotham-Ultra"),
    local("GothamUltra");
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 15% 10%, rgba(246, 251, 94, 0.08), transparent 24%),
    radial-gradient(circle at 80% 20%, rgba(232, 65, 34, 0.18), transparent 28%),
    linear-gradient(180deg, #040404 0%, #0a0a0a 100%);
  color: #fff;
  font-family: var(--body);
}

body {
  overflow-x: hidden;
}

.builder-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 10px 10px;
}

.builder-shell {
  width: min(1520px, calc(100% - 28px));
  margin: 0 auto;
  padding: 26px 0 40px;
}

.builder-intro {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.eyebrow,
.field-label,
.range-value,
.preview-note,
.layer-chip,
.status-copy {
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0;
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.72);
}

.builder-intro h1 {
  margin: 0;
  max-width: 12ch;
  font-family: var(--display);
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  line-height: 0.92;
  color: var(--headline);
  text-shadow:
    0 2px 0 #000,
    0 4px 0 #000,
    0 8px 16px rgba(0, 0, 0, 0.52);
}

.intro-copy {
  margin: 0;
  max-width: 760px;
  font-size: 1rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.82);
}

.builder-grid {
  display: grid;
  grid-template-columns: 450px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.control-panel,
.preview-panel {
  border: 2px solid var(--panel-border);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0)),
    var(--panel);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 24px 60px rgba(0, 0, 0, 0.38);
}

.control-panel {
  display: grid;
  gap: 16px;
  padding: 18px;
}

.control-block {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.field-label {
  margin: 0;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.72);
}

.field-static {
  margin-bottom: 2px;
}

.text-input,
.select-input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 12px 14px;
  background: #0e0e0e;
  color: #fff;
  font: inherit;
}

.color-input {
  width: 100%;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: #0e0e0e;
  cursor: pointer;
}

.hidden-input {
  display: none;
}

.range-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

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

.secondary-button {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 12px 16px;
  background: #111;
  color: #fff;
  font: inherit;
  cursor: pointer;
  transition:
    transform 120ms ease,
    border-color 120ms ease,
    background 120ms ease;
}

.secondary-button:hover {
  transform: translateY(-1px);
  border-color: rgba(246, 251, 94, 0.4);
  background: #181818;
}

.secondary-button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  transform: none;
}

.file-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tiny-button {
  padding: 10px 12px;
  font-size: 0.82rem;
}

.danger-button:hover {
  border-color: rgba(232, 65, 34, 0.6);
}

.range-value {
  min-width: 62px;
  text-align: right;
  font-size: 0.66rem;
  color: rgba(255, 255, 255, 0.62);
}

.status-copy {
  margin: 0;
  font-size: 0.62rem;
  color: rgba(255, 255, 255, 0.55);
}

.layer-toolbar {
  display: grid;
  gap: 12px;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-list,
.line-editor-list {
  display: grid;
  gap: 12px;
}

.project-list {
  max-height: 220px;
  overflow-y: auto;
  padding-right: 4px;
}

.project-item {
  display: flex;
  gap: 10px;
  align-items: center;
}

.project-open {
  flex: 1;
  text-align: left;
}

.project-open.active {
  border-color: rgba(246, 251, 94, 0.44);
  background: rgba(246, 251, 94, 0.08);
}

.layer-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.26);
}

.layer-card-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.layer-header-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.layer-title {
  font-size: 0.92rem;
  font-weight: 600;
}

.layer-chip {
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.6rem;
}

.layer-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.layer-grid {
  display: grid;
  grid-template-columns: 1fr 110px;
  gap: 10px;
}

.layer-grid-triple {
  display: grid;
  grid-template-columns: 1fr 1fr 110px;
  gap: 10px;
}

.layer-grid-wide,
.layer-grid-range {
  display: grid;
  gap: 10px;
}

.preview-panel {
  padding: 18px;
}

.preview-frame {
  display: grid;
  place-items: center;
  min-height: 100%;
}

.preview-canvas {
  position: relative;
  width: min(100%, 980px);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 3px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  background: #000;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.4);
}

.preview-images,
.preview-overlay,
.preview-arrows,
.preview-layers {
  position: absolute;
  inset: 0;
}

.preview-overlay {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.42) 46%, rgba(0, 0, 0, 0.22) 100%),
    linear-gradient(180deg, rgba(232, 65, 34, 0.12), rgba(0, 0, 0, 0.3));
}

.preview-canvas.blank-mode .preview-overlay {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0)),
    linear-gradient(135deg, rgba(232, 65, 34, 0.08), rgba(0, 0, 0, 0) 42%),
    #030303;
}

.preview-images,
.preview-arrows,
.preview-layers {
  pointer-events: none;
}

.preview-images {
  z-index: 1;
}

.preview-arrows {
  z-index: 2;
}

.preview-layers {
  z-index: 3;
}

.preview-image-layer {
  position: absolute;
  transform-origin: center center;
  overflow: hidden;
}

.preview-image-layer img {
  width: 100%;
  height: 100%;
  display: block;
}

.preview-text-layer {
  position: absolute;
  display: inline-block;
  max-width: 92%;
  white-space: nowrap;
  transform-origin: left center;
}

.preview-text-layer.type-headline,
.preview-text-layer.type-accent {
  font-family: var(--display);
  text-transform: uppercase;
  line-height: 0.9;
  text-shadow:
    0 3px 0 #000,
    0 6px 0 #000,
    0 12px 18px rgba(0, 0, 0, 0.6);
  filter: drop-shadow(0 0 10px rgba(246, 251, 94, 0.12));
}

.preview-text-layer.type-accent {
  letter-spacing: 0.02em;
}

.preview-text-layer.type-subheadline {
  font-family: var(--body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  line-height: 1;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.35);
}

.preview-arrow-layer {
  --arrow-color: #e84122;
  --arrow-size: 280px;
  position: absolute;
  width: var(--arrow-size);
  height: calc(var(--arrow-size) * 0.42);
  transform-origin: center center;
  filter:
    drop-shadow(0 12px 0 rgba(124, 12, 4, 0.8))
    drop-shadow(-12px 10px 0 rgba(153, 35, 20, 0.34));
}

.preview-arrow-layer .arrow-shaft,
.preview-arrow-layer .arrow-head {
  position: absolute;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--arrow-color) 82%, white),
    var(--arrow-color) 62%,
    color-mix(in srgb, var(--arrow-color) 72%, black)
  );
}

.preview-arrow-layer.style-straight .arrow-shaft {
  left: 0;
  top: 50%;
  width: 64%;
  height: 28%;
  border-radius: 999px;
  transform: translateY(-50%);
}

.preview-arrow-layer.style-straight .arrow-head {
  right: 0;
  top: 0;
  width: 44%;
  height: 100%;
  clip-path: polygon(0 0, 100% 50%, 0 100%, 18% 50%);
}

.preview-arrow-layer.style-curvy .arrow-shaft {
  left: 2%;
  top: 50%;
  width: 58%;
  height: 24%;
  border-radius: 999px;
  transform: translateY(-50%) rotate(-11deg);
}

.preview-arrow-layer.style-curvy .arrow-head {
  right: 0;
  top: 2%;
  width: 45%;
  height: 96%;
  clip-path: polygon(4% 2%, 100% 50%, 4% 98%, 18% 56%, 32% 44%);
  border-radius: 18px;
}

.preview-arrow-layer.style-wavy .arrow-shaft {
  left: 0;
  top: 50%;
  width: 62%;
  height: 30%;
  transform: translateY(-50%);
  clip-path: polygon(0 58%, 10% 30%, 22% 62%, 34% 30%, 46% 62%, 58% 30%, 70% 62%, 82% 30%, 100% 54%, 100% 100%, 0 100%);
}

.preview-arrow-layer.style-wavy .arrow-head {
  right: 0;
  top: 4%;
  width: 42%;
  height: 92%;
  clip-path: polygon(0 0, 100% 50%, 0 100%, 20% 64%, 30% 50%, 20% 36%);
}

.preview-note {
  margin: 14px 4px 0;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.58);
}

@media (min-width: 1181px) {
  .control-panel {
    position: sticky;
    top: 18px;
    height: calc(100vh - 36px);
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
    padding-bottom: 56px;
    scroll-padding-bottom: 56px;
  }

  .preview-panel {
    position: sticky;
    top: 18px;
  }
}

@media (max-width: 1180px) {
  .builder-grid {
    grid-template-columns: 1fr;
  }

  .control-panel,
  .preview-panel {
    position: static;
  }

  .preview-canvas {
    width: 100%;
  }
}

@media (max-width: 780px) {
  .builder-shell {
    width: min(100% - 18px, 1520px);
    padding-top: 16px;
  }

  .layer-grid,
  .layer-grid-triple {
    grid-template-columns: 1fr;
  }

  .preview-arrow-layer {
    height: calc(var(--arrow-size) * 0.5);
  }
}