:root {
  --space-1: #1c1530;
  --space-2: #3a2346;
  --glow: #ffb36b;
  --cream: #f8efe0;
  --cream-2: #d4c4b4;
  --amber: #ffc857;
  --hud: rgba(28, 20, 44, 0.78);
  --hud-line: rgba(255, 196, 140, 0.28);
  --sans: 'Pretendard Variable', Pretendard, system-ui, sans-serif;
  --mono: 'Space Mono', ui-monospace, Menlo, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--sans);
  color: var(--cream);
  background:
    radial-gradient(1200px 700px at 85% 110%, rgba(255, 140, 90, .35), transparent 60%),
    radial-gradient(900px 600px at 10% -10%, rgba(120, 90, 200, .35), transparent 60%),
    linear-gradient(180deg, var(--space-1), var(--space-2));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }

#scene { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }
#track { pointer-events: none; }

.nav { position: fixed; inset: 0 0 auto; z-index: 10; display: flex; align-items: center; gap: 20px; padding: 20px 32px; pointer-events: none; }
.nav > * { pointer-events: auto; }
.brand { font-weight: 800; letter-spacing: -.02em; text-decoration: none; font-size: 18px; }
.brand span { color: var(--glow); }
/* kimsangpil.com(2D)으로 돌아가는 스위치. 그 사이트 안 iframe 으로 열렸을 땐 숨긴다. */
.to-2d { display: inline-flex; border: 1px solid var(--cream-2); text-decoration: none; font: 700 11px/1 var(--mono); letter-spacing: .12em; }
.to-2d span, .to-2d b { padding: 5px 8px; }
.to-2d span { color: var(--cream-2); }
.to-2d b { background: var(--cream); color: #1c1530; }
.to-2d:hover span { background: var(--glow); color: #1c1530; }
.framed .to-2d { display: none; }
.nav-meta { margin-left: auto; display: flex; align-items: center; gap: 6px; font: 400 12px var(--mono); color: var(--cream-2); }
.live { width: 7px; height: 7px; border-radius: 99px; background: #7be3a5; box-shadow: 0 0 10px #7be3a5; animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .35; } }

/* 첫 화면 */
.hero { position: fixed; left: 64px; top: 50%; transform: translateY(-54%); max-width: 700px; z-index: 5; transition: opacity .5s, transform .5s; }
.hero.off { opacity: 0; transform: translateY(-50%); pointer-events: none; }
.hero-kicker { font: 700 12px var(--mono); letter-spacing: .14em; color: var(--glow); margin: 0; }
.hero h1 { font-size: clamp(30px, 3.6vw, 54px); line-height: 1.25; word-break: keep-all; letter-spacing: -.04em; margin: 18px 0 0; font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--amber); text-shadow: 0 0 28px rgba(255, 200, 87, .45); }
.hero-lead { font-size: 16px; line-height: 1.75; color: var(--cream-2); margin: 22px 0 0; max-width: 470px; }
.hero-lead b { color: var(--cream); }
.hero-hint { display: flex; align-items: center; gap: 10px; margin-top: 36px; font-size: 13px; color: var(--cream-2); }
.wheel { width: 16px; height: 24px; border: 1.5px solid var(--cream-2); border-radius: 10px; position: relative; }
.wheel::after { content: ''; position: absolute; left: 50%; top: 5px; width: 2px; height: 5px; margin-left: -1px; background: var(--glow); border-radius: 2px; animation: roll 1.6s infinite; }
@keyframes roll { to { transform: translateY(7px); opacity: 0; } }

/* 왼쪽 관제 패널 */
.panel { position: fixed; left: 40px; top: 96px; bottom: 120px; width: min(400px, 36vw); z-index: 5; pointer-events: none; }
.panel-card {
  position: absolute; left: 0; right: 0; top: 50%; max-height: 100%; display: flex; flex-direction: column;
  background: var(--hud); border: 1px solid var(--hud-line); border-radius: 4px 18px 4px 18px;
  padding: 22px 24px; backdrop-filter: blur(14px);
  box-shadow: 0 30px 60px -24px rgba(5, 0, 20, .7);
  opacity: 0; transform: translate(-16px, -50%); transition: opacity .45s, transform .45s;
}
.panel-card.on { opacity: 1; transform: translate(0, -50%); pointer-events: auto; }
.panel-head { display: flex; justify-content: space-between; font: 400 10.5px var(--mono); letter-spacing: .08em; color: var(--glow); padding-bottom: 12px; border-bottom: 1px dashed var(--hud-line); }
.panel-card h2 { margin: 14px 0 0; font-size: 26px; letter-spacing: -.03em; display: flex; align-items: center; gap: 10px; }
.panel-card h2[style]::before { content: ''; width: 10px; height: 10px; border-radius: 99px; background: var(--c); box-shadow: 0 0 12px var(--c); }
.panel-card p { margin: 12px 0 0; font-size: 15px; line-height: 1.7; color: var(--cream-2); }
.panel-card .panel-sub { font-size: 12.5px; margin-top: 6px; }
.panel-card ul { list-style: none; margin: 12px -8px 0; padding: 0; overflow: auto; scrollbar-width: thin; scrollbar-color: var(--hud-line) transparent; }
.panel-card li a { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; padding: 9px 8px; border-radius: 8px; text-decoration: none; }
.panel-card li a:hover { background: rgba(255, 200, 140, .1); }
.panel-card .nm { font-weight: 600; font-size: 14px; }
.panel-card .nm b { color: var(--amber); margin-right: 6px; font-size: 11px; }
.panel-card time { font: 400 11px var(--mono); color: var(--cream-2); }
.panel-card small { grid-column: 1 / -1; font-size: 12px; color: var(--cream-2); opacity: .8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip { font-size: 13px; font-weight: 600; text-decoration: none; padding: 8px 14px; border-radius: 99px; border: 1px solid var(--glow); color: var(--glow); }
.chip:hover { background: var(--glow); color: var(--space-1); }

/* 3D 건물 이름표 */
.tip[hidden] { display: none; }
.tip { position: fixed; left: 0; top: 0; z-index: 20; pointer-events: none; display: grid; gap: 2px; max-width: 260px;
  background: var(--hud); border: 1px solid var(--hud-line); border-radius: 10px; padding: 10px 12px; backdrop-filter: blur(10px); }
.tip b { font-size: 14px; display: flex; align-items: center; gap: 6px; }
.tip b::before { content: ''; width: 7px; height: 7px; border-radius: 99px; background: var(--c); }
.tip span { font-size: 12px; color: var(--cream-2); }
.tip em { font: normal 400 10.5px var(--mono); color: var(--glow); margin-top: 4px; }

/* 아래 궤도 이동 막대. 밝은 섬 위에서도 읽히게 바닥을 어둡게 깐다 */
body::after { content: ''; position: fixed; inset: auto 0 0; height: 150px; z-index: 4; pointer-events: none; background: linear-gradient(transparent, rgba(20, 12, 34, .75)); }
.orbit { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%); z-index: 6; width: min(640px, calc(100% - 32px)); }
.orbit-line { position: absolute; left: 4%; right: 4%; top: 6px; height: 1px; background: rgba(248, 239, 224, .2); }
.orbit-line i { position: absolute; inset: 0 auto 0 0; background: linear-gradient(90deg, transparent, var(--glow)); box-shadow: 0 0 8px var(--glow); }
.orbit ol { list-style: none; margin: 0; padding: 0; display: flex; justify-content: space-between; position: relative; }
.orbit button { all: unset; cursor: pointer; display: grid; justify-items: center; gap: 8px; width: 64px; }
.orbit button i { width: 9px; height: 9px; margin-top: 2px; border-radius: 99px; border: 1.5px solid var(--cream-2); background: var(--space-1); transition: .3s; }
.orbit button span { font-size: 11.5px; color: var(--cream-2); opacity: .7; transition: .3s; }
.orbit button.on i { background: var(--glow); border-color: var(--glow); box-shadow: 0 0 12px var(--glow); transform: scale(1.3); }
.orbit button.on span { opacity: 1; color: var(--cream); font-weight: 600; }
.orbit button:focus-visible i { outline: 2px solid var(--glow); outline-offset: 3px; }

.credit { position: fixed; left: 20px; bottom: 10px; z-index: 6; font-size: 11px; color: var(--cream-2); opacity: .55; }
.credit:hover { opacity: 1; }

/* 둘러보기 안내. 한 번 끌면 사라진다 */
#scene { touch-action: pan-y; cursor: grab; }
body.turning #scene { cursor: grabbing; }
.hint { position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%); z-index: 6; pointer-events: none;
  font-size: 12px; color: var(--cream); background: var(--hud); border: 1px solid var(--hud-line); border-radius: 99px; padding: 7px 14px;
  opacity: 0; transition: opacity .4s; }
.hint.show { opacity: .9; }
.hint.used { display: none; }

/* 본사 정류장의 네 가지 */
.points { list-style: none; margin: 16px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.points li { display: grid; gap: 3px; padding: 10px 12px; border: 1px solid var(--hud-line); border-radius: 10px; }
.points b { font-size: 13.5px; color: var(--amber); }
.points span { font-size: 12px; line-height: 1.5; color: var(--cream-2); }

/* 하늘 정류장 범례 */
.legend { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 8px; }
.legend li { display: grid; grid-template-columns: 12px 1fr auto; align-items: center; gap: 10px; font-size: 14px; }
.legend b { width: 10px; height: 10px; border-radius: 99px; background: var(--c); box-shadow: 0 0 10px var(--c); }
.legend em { font: normal 400 11px var(--mono); color: var(--cream-2); }

/* 오른쪽 아래 미니맵 */
.minimap { position: fixed; right: 24px; bottom: 28px; z-index: 6; width: 180px; padding: 10px 10px 8px;
  background: var(--hud); border: 1px solid var(--hud-line); border-radius: 18px 4px 18px 4px; backdrop-filter: blur(10px); }
.minimap svg { display: block; width: 100%; height: auto; overflow: visible; }
.mm-head { display: block; margin-top: 4px; font: 400 10px var(--mono); letter-spacing: .08em; color: var(--glow); }
.mm-head b { color: var(--cream); font-family: var(--sans); font-weight: 600; letter-spacing: 0; }
.mm-island { fill: rgba(185, 201, 154, .18); stroke: rgba(255, 196, 140, .55); stroke-width: .25; }
.mm-area { fill-opacity: .28; }
.mm-path { stroke: rgba(243, 227, 198, .45); stroke-width: .35; }
.mm-name { fill: var(--cream-2); font: 600 2px var(--sans); text-anchor: middle; }
.mm-hq { fill: #efe7dc; }
.mm-rocket { fill: #ff8a5c; }
.mm-sky { fill: #ffd9a0; }
.mm-stop { fill: transparent; stroke: var(--cream-2); stroke-width: .3; cursor: pointer; }
.mm-stop:hover, .mm-stop.on { stroke: var(--glow); stroke-width: .45; }
.mm-me path { fill: var(--glow); filter: drop-shadow(0 0 1px var(--glow)); }

@media (max-width: 760px) {
  .minimap { display: none; }
  .nav { padding: 14px 16px; }
  .nav-meta #clock { display: none; }
  .hero { left: 16px; right: 16px; top: 88px; transform: none; }
  .hero.off { transform: translateY(-8px); }
  .hero h1 { font-size: 28px; }
  .hero-lead { font-size: 14px; }
  .panel { left: 12px; right: 12px; width: auto; top: auto; bottom: 92px; height: 46vh; }
  .panel-card { top: auto; bottom: 0; transform: translateY(12px); padding: 16px 18px; }
  .panel-card.on { transform: none; }
  .orbit { bottom: 34px; }
  .orbit button { width: 40px; }
  .orbit button span { font-size: 10px; }
  .credit { left: 0; right: 0; bottom: 8px; text-align: center; font-size: 10px; }
}