:root {
  color-scheme: dark;
  --bg: #02050a;
  --ink: #eef4f2;
  --muted: rgba(225, 234, 231, 0.64);
  --edge: rgba(255, 255, 255, 0.11);
  --panel: rgba(4, 8, 11, 0.46);
  --panel-strong: rgba(4, 8, 11, 0.72);
  --gold: #d9a65c;
  --aqua: #8fcfd3;
  --ember: #e56f5e;
  --shadow: rgba(0, 0, 0, 0.54);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; background: var(--bg); }
button, input, textarea { font: inherit; }
button,
.icon-button {
  min-height: 34px;
  border: 1px solid var(--edge);
  border-radius: 9px;
  background: rgba(9, 14, 17, 0.54);
  color: var(--ink);
  cursor: pointer;
  font-size: 11px;
  font-weight: 740;
  letter-spacing: 0;
}
button:hover,
.icon-button:hover { border-color: rgba(255, 255, 255, 0.22); background: rgba(20, 29, 34, 0.66); }
button:focus-visible, .icon-button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--aqua); outline-offset: 3px; }

.skip-link {
  position: fixed;
  z-index: 40;
  top: 14px;
  left: 16px;
  transform: translateY(-64px);
  color: var(--ink);
}
.skip-link:focus { transform: none; }

.foundry { position: relative; width: 100vw; height: 100vh; min-width: 320px; overflow: hidden; background: #02050a; }
.skyline-canvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; background: #02050a; cursor: crosshair; }

.topbar, .tool-rail, .inspector, .scene-strip, .share-card, .tutorial-card, .toast { position: fixed; z-index: 4; }
.topbar, .tool-rail, .inspector, .scene-strip, .share-card, .tutorial-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.01)), var(--panel);
  box-shadow: 0 24px 70px var(--shadow), inset 0 1px 0 rgba(255,255,255,0.05);
  backdrop-filter: blur(18px) saturate(120%);
}

.topbar {
  top: 14px;
  left: 14px;
  right: 14px;
  display: grid;
  grid-template-columns: minmax(178px, auto) minmax(120px, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 8px;
  border-radius: 12px;
  transition: opacity 180ms ease;
}

.brand { display: grid; grid-template-columns: 34px minmax(0, auto); align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand-mark {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: end;
  gap: 3px;
  width: 34px;
  height: 34px;
  padding: 7px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 -10px 18px rgba(0,0,0,0.32);
}
.brand-mark span { display: block; border-radius: 4px 4px 1px 1px; background: linear-gradient(180deg, #e7f5f0, #6bb9c4 72%, #14313c); }
.brand-mark span:nth-child(1) { height: 38%; opacity: 0.72; }
.brand-mark span:nth-child(2) { height: 78%; background: linear-gradient(180deg, #fff1c8, #d8a45a 70%, #3c2015); }
.brand-mark span:nth-child(3) { height: 58%; opacity: 0.82; }
.brand-mark span:nth-child(4) { height: 88%; background: linear-gradient(180deg, #ffd6d0, #e36d5e 70%, #3b1518); }
.brand strong, .brand small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand strong { font-size: 13px; font-weight: 780; }
.brand small { margin-top: 2px; color: var(--muted); font-size: 11px; }

.scene-status { display: flex; align-items: center; justify-content: center; gap: 7px; min-width: 0; overflow: hidden; color: var(--muted); font-size: 10px; font-weight: 760; text-transform: uppercase; }
.scene-status span { max-width: 180px; overflow: hidden; border-left: 1px solid rgba(255,255,255,0.11); padding-left: 7px; text-overflow: ellipsis; white-space: nowrap; }
.scene-status span:first-child { border-left: 0; }
.top-actions, .panel-actions, .share-actions { display: flex; align-items: center; gap: 7px; }
.icon-button { display: grid; grid-template-columns: 16px auto; align-items: center; gap: 6px; padding: 0 10px; text-decoration: none; }
.skyline-hub-link { border-color: rgba(143,207,211,0.28); background: rgba(143,207,211,0.1); }
.primary-action { padding: 0 14px; border-color: rgba(217,166,92,0.4); background: linear-gradient(180deg, rgba(217,166,92,0.96), rgba(143,85,43,0.96)); color: #120c08; box-shadow: 0 10px 26px rgba(217,166,92,0.18); }

.tool-rail { top: 88px; left: 14px; display: grid; gap: 6px; width: 58px; padding: 7px; border-radius: 14px; opacity: 0.82; transition: opacity 180ms ease; }
.tool-rail:hover, .scene-strip:hover, .inspector:hover { opacity: 1; }
.tool-button { display: grid; place-items: center; width: 42px; min-height: 42px; padding: 0; }
.tool-button b { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.tool-button.is-active, .segmented button.is-active, .material-row button.is-active, .scene-card.is-active { border-color: rgba(143,207,211,0.48); background: rgba(143,207,211,0.14); color: #efffff; }

.inspector { top: 88px; right: 14px; width: min(318px, calc(100vw - 94px)); max-height: calc(100vh - 212px); overflow: auto; padding: 12px; border-radius: 14px; opacity: 0.9; }
.inspector.is-quiet { width: 236px; max-height: 92px; overflow: hidden; opacity: 0.72; }
.inspector.is-quiet > *:not(.panel-head):not(.scene-read) { display: none; }
.panel-head, .strip-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.panel-head span, .strip-head span { color: var(--muted); font-size: 10px; font-weight: 780; text-transform: uppercase; }
.panel-head strong { min-width: 0; overflow: hidden; color: var(--ink); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.panel-head button, .strip-head button { width: 28px; min-height: 28px; padding: 0; }
.scene-read { margin: 10px 0 12px; padding: 10px; border-radius: 10px; background: rgba(255,255,255,0.045); }
.scene-read span { color: var(--gold); font-size: 12px; font-weight: 760; }
.scene-read p { margin: 5px 0 0; color: var(--muted); font-size: 12px; line-height: 1.35; }
.segmented, .material-row { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 5px; margin: 10px 0; }
.material-row { grid-template-columns: repeat(4, minmax(0,1fr)); }
.segmented button, .material-row button { padding: 0 6px; }
.range-row { display: grid; grid-template-columns: 54px minmax(0,1fr) 34px; align-items: center; gap: 8px; margin: 12px 0; color: var(--muted); font-size: 11px; font-weight: 710; }
.range-row output { color: rgba(238,244,242,0.82); text-align: right; }
input[type="range"] { width: 100%; accent-color: var(--aqua); }
.panel-actions { justify-content: space-between; margin-top: 12px; }
.panel-actions button, .share-actions button { flex: 1; padding: 0 8px; }

.scene-strip { left: max(14px, env(safe-area-inset-left)); right: max(14px, env(safe-area-inset-right)); bottom: 14px; padding: 9px; border-radius: 14px; opacity: 0.76; transition: opacity 180ms ease, transform 180ms ease; }
.scene-strip.is-collapsed { transform: translateY(calc(100% - 42px)); }
.scene-cards { display: grid; grid-template-columns: repeat(5, minmax(116px, 1fr)); gap: 8px; margin-top: 8px; }
.scene-card { display: grid; justify-items: start; min-height: 56px; padding: 10px; text-align: left; }
.scene-card span { display: block; font-size: 12px; }
.scene-card small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; }

.share-panel { position: fixed; z-index: 12; inset: 0; display: grid; place-items: center; background: rgba(0,0,0,0.46); backdrop-filter: blur(10px); }
.share-panel.is-hidden { display: none; }
.share-card { position: relative; width: min(580px, calc(100vw - 28px)); padding: 14px; border-radius: 16px; }
.share-card p { margin: 12px 0; color: var(--muted); font-size: 13px; line-height: 1.45; }
textarea { display: block; width: 100%; min-height: 180px; margin-top: 10px; resize: vertical; border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; background: rgba(0,0,0,0.34); color: rgba(238,244,242,0.82); padding: 10px; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 11px; }

.tutorial-card { right: 18px; bottom: 96px; width: min(330px, calc(100vw - 36px)); padding: 14px; border-radius: 16px; }
.tutorial-card h2 { margin: 0 0 8px; font-size: 16px; }
.tutorial-card p { margin: 0 0 14px; color: var(--muted); font-size: 13px; line-height: 1.45; }
.tutorial-actions { display: flex; gap: 8px; }
.tutorial-actions button { flex: 1; }

.toast { left: 50%; bottom: 104px; transform: translateX(-50%) translateY(18px); max-width: min(520px, calc(100vw - 40px)); margin: 0; padding: 10px 14px; border-radius: 999px; background: rgba(3,6,8,0.72); color: var(--ink); box-shadow: 0 18px 44px rgba(0,0,0,0.42); opacity: 0; pointer-events: none; transition: opacity 180ms ease, transform 180ms ease; font-size: 12px; font-weight: 720; }
.toast.is-visible { transform: translateX(-50%); opacity: 1; }
.foundry.is-focus .topbar, .foundry.is-focus .tool-rail, .foundry.is-focus .inspector, .foundry.is-focus .scene-strip { opacity: 0.12; }
.foundry.is-focus .topbar:hover, .foundry.is-focus .tool-rail:hover, .foundry.is-focus .inspector:hover, .foundry.is-focus .scene-strip:hover { opacity: 0.96; }

@media (max-width: 860px) {
  .topbar { grid-template-columns: 1fr auto; }
  .scene-status { display: none; }
  .icon-button b { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
  .icon-button { grid-template-columns: 16px; width: 36px; padding: 0; place-content: center; }
  .tool-rail { top: 80px; }
  .inspector { top: auto; right: 14px; bottom: 92px; left: 82px; width: auto; max-height: 230px; }
  .scene-cards { grid-template-columns: repeat(5, 144px); overflow-x: auto; padding-bottom: 2px; }
}

@media (max-width: 560px) {
  .topbar { left: 10px; right: 10px; }
  .brand { grid-template-columns: 30px minmax(0, 1fr); }
  .brand-mark { width: 30px; height: 30px; }
  .top-actions { gap: 5px; }
  .primary-action { min-width: 34px; width: 34px; overflow: hidden; padding: 0; color: transparent; }
  .primary-action::before { content: "↗"; color: #120c08; }
  .tool-rail { left: 10px; width: 52px; }
  .tool-button { width: 36px; min-height: 38px; }
  .inspector { left: 68px; right: 10px; }
  .segmented, .material-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* 2026-06-25 site-wide minimal color pass */
body[data-page="night-skyline"] {
  --bg: #020303;
  --ink: #f1f1ee;
  --muted: rgba(241, 241, 238, 0.62);
  --edge: rgba(241, 241, 238, 0.13);
  --panel: rgba(2, 3, 3, 0.62);
  --panel-strong: rgba(255, 255, 255, 0.07);
  --gold: #f0e880;
  --aqua: #8fdcff;
  --ember: #ff8f9d;
  background: #020303;
}

body[data-page="night-skyline"] .foundry,
body[data-page="night-skyline"] .skyline-canvas {
  background: #020303;
}

body[data-page="night-skyline"] :where(.topbar, .tool-rail, .inspector, .scene-strip, .share-card, .tutorial-card) {
  border: 1px solid var(--edge);
  border-radius: 8px;
  background:
    linear-gradient(145deg, var(--panel-strong), rgba(255, 255, 255, 0.018)),
    rgba(2, 3, 3, 0.58);
  box-shadow: none;
  backdrop-filter: blur(18px);
}

body[data-page="night-skyline"] .skip-link {
  top: 16px;
  left: 16px;
  border: 1px solid rgba(143, 220, 255, 0.38);
  border-radius: 4px;
  padding: 10px 12px;
  background: rgba(2, 3, 3, 0.82);
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

body[data-page="night-skyline"] .brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(143, 220, 255, 0.58);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

body[data-page="night-skyline"] .brand-mark span {
  display: none;
}

body[data-page="night-skyline"] .brand-mark::before {
  content: "Z/L";
  color: var(--aqua);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 900;
}

body[data-page="night-skyline"] .brand strong,
body[data-page="night-skyline"] .brand small,
body[data-page="night-skyline"] .scene-status,
body[data-page="night-skyline"] .icon-button,
body[data-page="night-skyline"] button,
body[data-page="night-skyline"] .panel-head span,
body[data-page="night-skyline"] .strip-head span,
body[data-page="night-skyline"] .scene-card small {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

body[data-page="night-skyline"] .brand strong {
  color: var(--ink);
  font-size: 0.72rem;
}

body[data-page="night-skyline"] .brand small,
body[data-page="night-skyline"] .scene-status,
body[data-page="night-skyline"] .scene-read p,
body[data-page="night-skyline"] .scene-card small {
  color: var(--muted);
}

body[data-page="night-skyline"] button,
body[data-page="night-skyline"] .icon-button {
  border-color: var(--edge);
  border-radius: 4px;
  background: transparent;
  box-shadow: none;
  color: var(--ink);
}

body[data-page="night-skyline"] button:hover,
body[data-page="night-skyline"] .icon-button:hover,
body[data-page="night-skyline"] .tool-button.is-active,
body[data-page="night-skyline"] .segmented button.is-active,
body[data-page="night-skyline"] .material-row button.is-active,
body[data-page="night-skyline"] .scene-card.is-active {
  border-color: rgba(143, 220, 255, 0.46);
  background: rgba(143, 220, 255, 0.1);
  color: var(--ink);
}

body[data-page="night-skyline"] .primary-action {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
}

body[data-page="night-skyline"] .skyline-hub-link {
  border-color: rgba(143, 220, 255, 0.34);
  background: rgba(143, 220, 255, 0.08);
}

body[data-page="night-skyline"] .scene-read {
  border: 1px solid var(--edge);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.24);
}

body[data-page="night-skyline"] textarea {
  border-radius: 4px;
  border-color: var(--edge);
}

body[data-page="night-skyline"] .toast {
  border: 1px solid var(--edge);
  border-radius: 999px;
  background: rgba(2, 3, 3, 0.82);
  box-shadow: none;
}

/* 2026-06-25 revised palette */
body[data-page="night-skyline"] {
  --gold: #d9b66f;
  --aqua: #9bbcff;
}

body[data-page="night-skyline"] .skip-link,
body[data-page="night-skyline"] .brand-mark,
body[data-page="night-skyline"] button:hover,
body[data-page="night-skyline"] .icon-button:hover,
body[data-page="night-skyline"] .tool-button.is-active,
body[data-page="night-skyline"] .segmented button.is-active,
body[data-page="night-skyline"] .material-row button.is-active,
body[data-page="night-skyline"] .scene-card.is-active,
body[data-page="night-skyline"] .skyline-hub-link {
  border-color: rgba(155, 188, 255, 0.42);
}

body[data-page="night-skyline"] button:hover,
body[data-page="night-skyline"] .icon-button:hover,
body[data-page="night-skyline"] .tool-button.is-active,
body[data-page="night-skyline"] .segmented button.is-active,
body[data-page="night-skyline"] .material-row button.is-active,
body[data-page="night-skyline"] .scene-card.is-active,
body[data-page="night-skyline"] .skyline-hub-link {
  background: rgba(155, 188, 255, 0.08);
}