:root {
  --ink: #0f172a;
  --ink-2: #334155;
  --mute: #64748b;
  --line: #e6e9f0;
  --bg: #f3f5fa;
  --card: #ffffff;
  --navy: #0b1324;
  --navy-2: #13213d;
  --sun: #f59e0b;
  --sun-2: #fbbf24;
  --sun-ink: #3b2500;
  --ok: #15803d;
  --ok-bg: #e7f6ec;
  --warn: #b45309;
  --warn-bg: #fff4e0;
  --bad: #c62828;
  --bad-bg: #fde8e8;
  --r-lg: 20px;
  --r-md: 14px;
  --r-sm: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 10px 30px -12px rgba(15, 23, 42, .18);
  --ease: cubic-bezier(.2, .8, .2, 1);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  word-break: keep-all;
  overflow-wrap: break-word;
}
button { font: inherit; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.hero { position: relative; overflow: hidden; color: #e8eefc; background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 62%, #1d2f54 100%); padding: 0 20px 56px; }
.sky { position: absolute; inset: 0; pointer-events: none; }
.sun { position: absolute; width: 460px; height: 460px; right: -90px; top: -160px; border-radius: 50%;
  background: radial-gradient(circle, rgba(251, 191, 36, .95) 0 18%, rgba(245, 158, 11, .45) 32%, rgba(245, 158, 11, .12) 52%, transparent 70%);
  animation: glow 7s ease-in-out infinite alternate; }
.rays { position: absolute; right: 140px; top: 70px; width: 900px; height: 900px; transform: translate(50%, -50%);
  background: repeating-conic-gradient(from 0deg, rgba(251, 191, 36, .07) 0 6deg, transparent 6deg 18deg);
  -webkit-mask: radial-gradient(circle, #000 0 20%, transparent 62%); mask: radial-gradient(circle, #000 0 20%, transparent 62%);
  animation: spin 90s linear infinite; }
.panels { position: absolute; left: -10%; right: -10%; bottom: -40px; height: 260px; transform: perspective(520px) rotateX(58deg); transform-origin: bottom;
  background:
    linear-gradient(90deg, rgba(148, 182, 255, .22) 2px, transparent 2px) 0 0 / 64px 100%,
    linear-gradient(0deg, rgba(148, 182, 255, .22) 2px, transparent 2px) 0 0 / 100% 40px,
    linear-gradient(180deg, rgba(56, 97, 180, .0), rgba(56, 97, 180, .35));
  -webkit-mask: linear-gradient(180deg, transparent, #000 60%); mask: linear-gradient(180deg, transparent, #000 60%); }
@keyframes glow { from { transform: scale(1); opacity: .9; } to { transform: scale(1.08); opacity: 1; } }
@keyframes spin { to { transform: translate(50%, -50%) rotate(360deg); } }

.hero-in { position: relative; max-width: 1080px; margin: 0 auto; padding-top: 28px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; letter-spacing: -.01em; }
.brand svg { width: 30px; height: 30px; }
.b-sun { fill: var(--sun-2); }
.b-panel { fill: #2f5bd3; stroke: #9fb8ff; stroke-width: 1.2; stroke-linejoin: round; }
.b-grid { fill: none; stroke: #c9d6ff; stroke-width: 1; opacity: .8; }
.tag { font-size: 12px; font-weight: 700; background: var(--sun); color: var(--sun-ink); padding: 2px 9px; border-radius: 999px; }
.hero h1 { margin: 44px 0 14px; font-size: clamp(30px, 4.6vw, 52px); line-height: 1.16; letter-spacing: -.035em; font-weight: 800;
  background: linear-gradient(92deg, #ffffff 0%, #ffffff 55%, #ffd88a 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sub { margin: 0 0 28px; color: #b9c5e0; font-size: 16px; max-width: 640px; }
.sub b { color: #fff; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow); }
.search { max-width: 760px; padding: 20px; color: var(--ink); border: 0; box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .55), 0 0 0 1px rgba(255, 255, 255, .06); }
form { display: flex; gap: 10px; }
.field { flex: 1; min-width: 0; display: flex; align-items: center; gap: 10px; padding: 0 14px; border: 1.5px solid var(--line); border-radius: var(--r-md); background: #f8fafc; transition: border-color .2s, box-shadow .2s, background .2s; }
.field:focus-within { border-color: var(--sun); background: #fff; box-shadow: 0 0 0 4px rgba(245, 158, 11, .18); }
.field svg { width: 20px; height: 20px; flex: none; fill: none; stroke: var(--mute); stroke-width: 2; stroke-linecap: round; }
.field input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; font: inherit; font-size: 16px; padding: 14px 0; color: var(--ink); }
.btn-search { flex: none; padding: 0 22px; border: 0; border-radius: var(--r-md); background: var(--ink); color: #fff; font-weight: 700; cursor: pointer; transition: transform .15s var(--ease), background .2s; }
.btn-search:hover { background: #1e293b; }
.btn-search:active, #run:active:not(:disabled) { transform: scale(.97); }
.examples { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 12px; }
.examples span { font-size: 12px; color: var(--mute); margin-right: 2px; }
.examples button { font-size: 13px; padding: 5px 11px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink-2); cursor: pointer; transition: border-color .2s, background .2s; }
.examples button:hover { border-color: var(--sun); background: #fff8eb; }
.hint { color: var(--mute); font-size: 13px; margin: 10px 0 0; }
.err { color: var(--bad); background: var(--bad-bg); border-radius: var(--r-sm); padding: 10px 12px; margin: 12px 0 0; font-size: 14px; }
.loading { display: flex; align-items: center; gap: 10px; color: var(--ink-2); font-size: 14px; margin: 14px 0 0; }
.loading i { width: 16px; height: 16px; border-radius: 50%; border: 2px solid #f3d7a2; border-top-color: var(--sun); animation: rot .8s linear infinite; }
@keyframes rot { to { transform: rotate(360deg); } }
.cand-count { margin: 16px 0 0; font-size: 12px; font-weight: 700; color: var(--mute); letter-spacing: .02em; }
.cand { position: relative; display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--r-md); margin-top: 8px; cursor: pointer;
  transition: border-color .2s, background .2s, transform .2s var(--ease); animation: rise .45s var(--ease) both; animation-delay: calc(var(--i) * 60ms); }
.cand:hover { border-color: #f3c46b; }
.cand input { position: absolute; opacity: 0; pointer-events: none; }
.cand .dot { flex: none; width: 20px; height: 20px; margin-top: 2px; border-radius: 50%; border: 2px solid #cbd5e1; display: grid; place-items: center; transition: border-color .2s; }
.cand .dot::after { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--sun); transform: scale(0); transition: transform .2s var(--ease); }
.cand:has(input:checked) { border-color: var(--sun); background: #fffaf0; }
.cand:has(input:checked) .dot { border-color: var(--sun); }
.cand:has(input:checked) .dot::after { transform: scale(1); }
.cand:has(input:focus-visible) { box-shadow: 0 0 0 4px rgba(245, 158, 11, .25); }
.c-txt { display: grid; gap: 2px; min-width: 0; }
.c-txt small { color: var(--mute); font-size: 13px; }
#run { margin-top: 16px; display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border: 0; border-radius: var(--r-md); cursor: pointer; font-weight: 800; font-size: 16px;
  color: var(--sun-ink); background: linear-gradient(135deg, #fcd34d, var(--sun)); box-shadow: 0 10px 24px -10px rgba(245, 158, 11, .8); transition: transform .15s var(--ease), box-shadow .2s, filter .2s; }
#run svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s var(--ease); }
#run:hover:not(:disabled) svg { transform: translateX(3px); }
#run:disabled { background: #e8e2d4; color: #8f8670; box-shadow: none; cursor: not-allowed; }

main { max-width: 1080px; margin: -28px auto 0; padding: 0 20px 48px; position: relative; display: grid; gap: 18px; }
#steps-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow); padding: 16px; scroll-margin-top: 16px; }
#steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr) 1.25fr; gap: 10px; }
#steps li { display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: var(--r-md); background: #f6f7fb; border: 1px solid transparent; transition: background .3s, border-color .3s; min-width: 0; }
#steps .n { flex: none; display: grid; place-items: center; min-width: 34px; height: 34px; padding: 0 6px; border-radius: 10px; background: #fff; border: 1px solid var(--line); font-size: 12px; font-weight: 800; color: var(--ink-2); transition: background .3s, color .3s; }
#steps .lbl { display: grid; font-weight: 700; font-size: 14px; min-width: 0; }
#steps .lbl small { font-weight: 500; font-size: 12px; color: var(--mute); }
#steps .st { margin-left: auto; flex: none; font-style: normal; font-size: 12px; font-weight: 700; color: var(--mute); padding: 3px 9px; border-radius: 999px; background: #fff; }
#steps li.out { opacity: .6; }
#steps li.out .lbl { font-weight: 500; font-size: 12.5px; color: var(--ink-2); }
#steps li.out .st { flex: 1 1 auto; text-align: right; background: transparent; font-weight: 500; padding: 0; }
#steps li.ok { background: var(--ok-bg); border-color: #bfe5cb; }
#steps li.ok .n { background: var(--ok); color: #fff; border-color: var(--ok); }
#steps li.ok .st { color: var(--ok); }
#steps li.warn { background: var(--warn-bg); border-color: #f5d79f; }
#steps li.warn .n { background: var(--sun); color: var(--sun-ink); border-color: var(--sun); }
#steps li.warn .st { color: var(--warn); }
#steps li.bad { background: var(--bad-bg); border-color: #f4c2c2; }
#steps li.bad .n { background: var(--bad); color: #fff; border-color: var(--bad); }
#steps li.bad .st { color: var(--bad); }
#steps li.run { background: #fff; border-color: #f3c46b; }
#steps li.run .n { animation: pulse 1.1s ease-in-out infinite; background: #fff4dc; }
#steps li.skip { opacity: .55; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, .5); } 50% { box-shadow: 0 0 0 7px rgba(245, 158, 11, 0); } }
.progress { margin-top: 12px; height: 4px; border-radius: 999px; background: #eef0f5; overflow: hidden; }
.progress i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--sun-2), var(--sun)); border-radius: inherit; transition: width .6s var(--ease); }

#overview { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 18px; align-items: stretch; }
.map-card { padding: 14px; display: flex; flex-direction: column; min-width: 0; }
.map-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 2px 4px 12px; }
.map-head h2 { margin: 0; font-size: 16px; letter-spacing: -.01em; }
.seg { display: inline-flex; padding: 3px; border-radius: 999px; background: #eef0f5; }
.seg button { border: 0; background: transparent; padding: 5px 12px; border-radius: 999px; font-size: 13px; font-weight: 700; color: var(--mute); cursor: pointer; transition: background .2s, color .2s; }
.seg button.on { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(15, 23, 42, .12); }
#map { flex: 1; min-height: 380px; border-radius: var(--r-md); overflow: hidden; background: #1b2740; isolation: isolate; }
#map.map-empty { display: grid; place-items: center; text-align: center; padding: 24px; background: repeating-linear-gradient(135deg, #f6f7fb 0 12px, #f0f2f7 12px 24px); color: var(--ink-2); }
#map.map-empty svg { width: 32px; height: 32px; fill: none; stroke: var(--mute); stroke-width: 1.8; }
#map.map-empty small { display: block; color: var(--mute); max-width: 360px; }
.parcel-svg { width: 100%; max-height: 340px; }
.parcel-svg path { fill: rgba(245, 158, 11, .18); stroke: var(--sun); stroke-width: 3; stroke-linejoin: round; }
.cap { margin: 10px 4px 0; font-size: 12px; color: var(--mute); }
.leaflet-container { font: inherit; }
.leaflet-control-attribution { font-size: 10px; }

.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-content: start; }
.fact { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-md); box-shadow: var(--shadow); padding: 14px 16px; display: grid; gap: 4px; min-width: 0; position: relative; overflow: hidden; }
.fact::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: linear-gradient(var(--sun-2), var(--sun)); opacity: .9; }
.f-label { font-size: 12px; font-weight: 700; color: var(--mute); }
.f-val { display: flex; align-items: baseline; gap: 4px; min-height: 34px; flex-wrap: wrap; }
.f-val .num { font-size: 26px; font-weight: 800; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.f-val .txt { font-size: 18px; font-weight: 800; letter-spacing: -.02em; line-height: 1.3; }
.f-val .unit { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.f-sub { font-size: 12px; color: var(--mute); }
.skel { display: block; width: 70%; height: 24px; border-radius: 8px; background: linear-gradient(90deg, #eef0f5 0%, #f8f9fc 50%, #eef0f5 100%) 0 0 / 200% 100%; animation: shimmer 1.2s linear infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }

.result { padding: 22px 24px; }
.r-head { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 14px; }
.r-ico { flex: none; width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(135deg, #fff4dc, #ffe6b3); }
.r-ico svg { width: 22px; height: 22px; fill: none; stroke: #a16207; stroke-width: 1.9; stroke-linejoin: round; stroke-linecap: round; }
.r-head h2 { margin: 0; font-size: 19px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; letter-spacing: -.02em; }
.msg { margin: 2px 0 0; color: var(--mute); font-size: 14px; }
.badge { font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: #eef0f5; color: var(--ink-2); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.kv { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 28px; }
.kv > div { display: grid; grid-template-columns: minmax(96px, 38%) 1fr; gap: 12px; padding: 10px 2px; border-bottom: 1px solid var(--line); min-width: 0; }
.kv dt { color: var(--mute); font-size: 13.5px; }
.kv dd { margin: 0; font-size: 14.5px; font-weight: 600; min-width: 0; }
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 13px; background: #f3f5fa; padding: 1px 6px; border-radius: 6px; }
.none { display: inline-block; color: var(--warn); background: var(--warn-bg); border: 1px dashed #f0c27a; padding: 0 7px; border-radius: 6px; font-size: 12.5px; font-weight: 700; line-height: 1.6; }
.note { font-size: 13px; color: var(--warn); background: #fffaf0; border: 1px solid #f3e2c2; border-radius: var(--r-sm); padding: 9px 12px; margin: 0 0 12px; }
.zones { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 12px 14px; border-radius: var(--r-md); background: #f8fafc; border: 1px solid var(--line); margin-bottom: 6px; }
.z-label { font-size: 13px; color: var(--mute); }
.zones > div { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 13px; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: #fff; border: 1px solid #dbe2f0; }
.chip small { font-weight: 500; color: var(--mute); }

.blds { display: grid; gap: 10px; }
.bld { border: 1.5px solid var(--line); border-radius: var(--r-md); padding: 0 16px; transition: border-color .2s; }
.bld[open] { border-color: #f3c46b; padding-bottom: 10px; }
.bld summary { list-style: none; cursor: pointer; display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px; padding: 14px 0; }
.bld summary::-webkit-details-marker { display: none; }
.bld summary input { accent-color: var(--sun); width: 18px; height: 18px; margin: 0; }
.b-name { font-weight: 800; }
.b-meta { color: var(--ink-2); font-size: 14px; }
.roof-chip { margin-left: auto; font-size: 12.5px; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: #eaf0ff; color: #2948a8; }
.meter { margin: 2px 0 10px; padding: 12px 14px; border-radius: var(--r-sm); background: #f8fafc; border: 1px solid var(--line); }
.m-top { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-2); }
.m-top b { font-variant-numeric: tabular-nums; }
.m-bar { height: 8px; margin: 8px 0 6px; border-radius: 999px; background: #e6eaf2; overflow: hidden; }
.m-bar i { display: block; height: 100%; width: var(--w); border-radius: inherit; background: linear-gradient(90deg, #3b6fe0, #6f95f0); animation: grow 1s var(--ease) both; }
@keyframes grow { from { width: 0; } }
.meter small { font-size: 12px; color: var(--mute); }

footer { max-width: 1080px; margin: 0 auto; padding: 4px 20px 40px; color: var(--mute); font-size: 12px; }
footer p { margin: 4px 0; }

.in { animation: rise .55s var(--ease) both; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
[hidden] { display: none !important; }

@media (max-width: 900px) {
  #overview { grid-template-columns: 1fr; }
  #steps { grid-template-columns: 1fr 1fr; }
  #steps li.out { grid-column: 1 / -1; }
  .kv { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .hero { padding: 0 16px 48px; }
  .hero h1 { margin-top: 32px; }
  .br-d { display: none; }
  .sun { width: 300px; height: 300px; right: -110px; top: -120px; }
  .search { padding: 16px; }
  form { flex-direction: column; }
  .btn-search { padding: 13px; }
  #run { width: 100%; justify-content: center; }
  main { padding: 0 12px 40px; gap: 14px; }
  #steps { grid-template-columns: 1fr; gap: 8px; }
  #steps li.out { flex-wrap: wrap; }
  #steps li.out .st { text-align: left; flex-basis: 100%; padding-left: 44px; }
  #map { min-height: 300px; }
  .facts { gap: 10px; }
  .fact { padding: 12px 14px; }
  .f-val .num { font-size: 22px; }
  .f-val .txt { font-size: 16px; }
  .result { padding: 18px 16px; }
  .kv > div { grid-template-columns: 104px 1fr; }
  .roof-chip { margin-left: 0; }
  footer { padding: 4px 16px 32px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}