.visualizer-page {
  background: var(--night);
}

.visualizer-page [hidden] {
  display: none !important;
}

.visualizer-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.visualizer-hero {
  padding: 132px clamp(20px, 5vw, 72px) 72px;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 18%, rgba(207, 255, 40, 0.12), rgba(207, 255, 40, 0) 32%),
    linear-gradient(135deg, rgba(7, 17, 24, 0.98), rgba(35, 59, 49, 0.9));
}

.visualizer-hero-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(340px, 0.7fr);
  gap: clamp(32px, 7vw, 86px);
  align-items: center;
}

.visualizer-hero h1 {
  max-width: 800px;
  font-size: clamp(4rem, 7vw, 6.4rem);
}

.visualizer-lede {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.18rem, 2vw, 1.55rem);
  line-height: 1.5;
}

.visualizer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.upload-card,
.designer-panel {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.upload-card {
  display: grid;
  gap: 18px;
  padding: 22px;
}

.drop-zone {
  display: grid;
  min-height: 246px;
  place-items: center;
  gap: 8px;
  padding: 24px;
  border: 1px dashed rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(7, 17, 24, 0.34);
  cursor: pointer;
  text-align: center;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.drop-zone.is-dragging,
.drop-zone:hover {
  border-color: var(--glow);
  background: rgba(243, 175, 60, 0.12);
  transform: translateY(-1px);
}

.drop-zone input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.drop-zone span {
  font-size: 1.2rem;
  font-weight: 850;
}

.drop-zone strong {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.88rem;
}

.photo-guidance {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.photo-guidance span {
  min-width: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 10px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.86rem;
  line-height: 1.45;
}

.privacy-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.86rem;
  line-height: 1.55;
}

.visualizer-alert {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--white);
  background: rgba(7, 17, 24, 0.56);
  line-height: 1.5;
}

.visualizer-alert[data-state="error"] {
  border-color: rgba(217, 54, 54, 0.7);
  background: rgba(217, 54, 54, 0.14);
}

.visualizer-alert[data-state="success"] {
  border-color: rgba(40, 183, 103, 0.68);
  background: rgba(40, 183, 103, 0.14);
}

.visualizer-workspace {
  padding: 54px clamp(20px, 5vw, 72px) 82px;
  color: var(--white);
  background:
    linear-gradient(180deg, #071118 0%, #0d171d 52%, #14241d 100%);
}

.visualizer-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 380px);
  gap: 18px;
  align-items: start;
}

.stage-panel {
  overflow: hidden;
}

.designer-toolbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 17, 24, 0.42);
}

.designer-toolbar span {
  min-width: 0;
  padding: 14px 16px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.designer-toolbar span:first-child {
  color: var(--glow);
}

.stage-wrap {
  position: relative;
  padding: 16px;
}

.stage-empty {
  min-height: 520px;
  display: grid;
  align-content: center;
  justify-items: center;
  padding: 32px;
  border: 1px dashed rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
}

.stage-empty h2 {
  max-width: 620px;
  color: var(--white);
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.design-stage {
  --before-width: 0%;
  position: relative;
  width: 100%;
  min-height: 360px;
  overflow: hidden;
  border-radius: 8px;
  background: #050708;
  touch-action: none;
  user-select: none;
}

.design-stage img,
.design-stage svg,
.stage-dim,
.before-mask {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.design-stage img {
  object-fit: contain;
  background: #050708;
}

.stage-dim {
  background: rgba(0, 0, 0, 0);
  pointer-events: none;
  transition: background 180ms ease;
}

.visualizer-workspace[data-preview-mode="evening"] .stage-dim {
  background: rgba(4, 9, 12, 0.38);
}

.design-stage svg {
  overflow: visible;
  cursor: crosshair;
}

.zone-path {
  fill: none;
  stroke: rgba(255, 255, 255, 0.82);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.zone-path.is-selected {
  stroke: var(--glow);
}

.zone-wash {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: url("#visualizerWash");
  opacity: 0.42;
  pointer-events: none;
}

.led-point {
  stroke: rgba(255, 255, 255, 0.9);
  stroke-width: 1.2;
  filter: url("#visualizerGlow");
  pointer-events: none;
}

.led-wash {
  opacity: 0.28;
  pointer-events: none;
}

.anchor-point {
  fill: var(--glow);
  stroke: #071118;
  stroke-width: 3;
  cursor: grab;
  vector-effect: non-scaling-stroke;
}

.anchor-point.is-active {
  fill: var(--white);
}

.editing-line {
  fill: none;
  stroke: rgba(243, 175, 60, 0.9);
  stroke-width: 3;
  stroke-dasharray: 8 7;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.before-mask {
  display: none;
  width: var(--before-width);
  background: rgba(7, 17, 24, 0.38);
  border-right: 2px solid var(--glow);
  pointer-events: none;
}

.visualizer-workspace[data-view-mode="original"] .stage-dim,
.visualizer-workspace[data-view-mode="original"] svg {
  opacity: 0;
}

.visualizer-workspace[data-view-mode="split"] .before-mask {
  display: block;
}

.stage-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 17, 24, 0.42);
}

.stage-footer div:first-child {
  display: grid;
  gap: 4px;
}

.stage-footer strong {
  color: var(--white);
}

.stage-footer span {
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.45;
}

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

.button.compact {
  min-height: 40px;
  padding: 9px 14px;
  font-size: 0.86rem;
}

.control-panel {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 0;
  overflow: hidden;
}

.control-group {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.control-group:last-child {
  border-bottom: 0;
}

.control-group label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.86rem;
  font-weight: 850;
}

.control-group input,
.control-group select {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--white);
  background: rgba(7, 17, 24, 0.54);
}

.control-group input[type="range"] {
  padding: 0;
  accent-color: var(--glow);
}

.control-group input[type="color"] {
  min-height: 44px;
  padding: 5px;
}

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

.control-row button,
.segmented button {
  min-height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.07);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 850;
}

.control-row button:hover,
.control-row button.is-active {
  border-color: var(--glow);
  color: #1b1408;
  background: var(--glow);
}

.control-row button:disabled,
.control-group input:disabled,
.control-group select:disabled,
.control-group .button:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

.segmented {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.toggle-line {
  display: flex !important;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px !important;
}

.toggle-line input {
  width: 18px;
  height: 18px;
}

.control-hint {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.84rem;
  line-height: 1.5;
}

.visualizer-lead {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(7, 17, 24, 0.94), rgba(35, 59, 49, 0.9)),
    var(--forest);
}

.visualizer-quote-form .privacy-note {
  color: rgba(255, 255, 255, 0.58);
}

@media (max-width: 1060px) {
  .visualizer-hero-grid,
  .visualizer-board {
    grid-template-columns: 1fr;
  }

  .control-panel {
    position: static;
  }
}

@media (max-width: 720px) {
  .visualizer-hero {
    padding: 102px 20px 52px;
  }

  .visualizer-hero h1 {
    font-size: clamp(3rem, 14vw, 4rem);
  }

  .photo-guidance,
  .designer-toolbar,
  .control-row {
    grid-template-columns: 1fr;
  }

  .visualizer-workspace {
    padding: 34px 12px 58px;
  }

  .stage-wrap {
    padding: 10px;
  }

  .stage-empty {
    min-height: 360px;
  }

  .stage-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .stage-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .control-group {
    padding: 16px;
  }

  .drop-zone {
    min-height: 210px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .drop-zone,
  .stage-dim {
    transition: none;
  }
}