/* 지니어스 세미나 허브 · 워크보드 디자인 가이드(2026-10-18) 기준
   공개 페이지 = 밤하늘 위 흰 카드(body.sky), 관리자 = 밝은 회색 관리 화면. 다크 모드 없음. */
@font-face{font-family:Paperlogy;src:url("/assets/Paperlogy-7Bold.ttf") format("truetype");font-weight:700;font-display:swap}
:root{
  --night:#0D1B3D; --night-deep:#080F24; --night-glow:#19345A; --hover:#001945; --brand:#12346B; --accent:#4D6F92;
  --ink:#111827; --title:#17233F; --body:#334155; --muted:#526077; --th:#70757E;
  --line:#E5EAF1; --line-strong:#CBD5E1; --card-line:rgba(65,94,128,.35);
  --base:#EDF1F6; --mist:#F8FAFC; --blue-soft:#E8EEF7; --sky-face:#EDF5FF;
  --good:#047857; --good-bg:#ECFDF5; --warn:#B45309; --bad:#B91C1C; --bad-bg:#FEF2F2; --info:#4B78B5; --info-bg:#DCECFF;
  --on-night-2:#C3D1E3;
  --f:"Pretendard","Pretendard Variable","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  --d:Paperlogy,var(--f);
  --ease:cubic-bezier(.2,0,0,1);
  --shadow:0 8px 18px rgba(15,23,42,.05);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--base);color:var(--body);font-family:var(--f);font-size:16px;line-height:1.6;word-break:keep-all;overflow-wrap:anywhere;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));
  padding-block:max(24px,env(safe-area-inset-top,0px)) max(48px,env(safe-area-inset-bottom,0px))}
.wrap{max-width:560px;width:100%;margin:0 auto;display:flex;flex-direction:column;gap:20px;position:relative}
.wide{max-width:1100px}
h1,h2,h3{margin:0;color:var(--ink);line-height:1.3;text-wrap:balance;font-family:var(--d);font-weight:700}
h1{font-size:clamp(26px,7vw,30px)}
h2,h3{font-size:18px}
p{margin:0}
a{color:#34506E}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--muted);font-size:12px;font-weight:600;letter-spacing:.02em}
.brand img{height:22px;width:auto;display:block}
.lead{color:var(--muted);white-space:pre-line}
.hint{font-size:13px;color:var(--muted);font-weight:400}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:12px;font-weight:700;color:var(--brand);background:var(--blue-soft);border-radius:999px;padding:3px 10px}
.info{background:#fff;border:1px solid var(--card-line);border-radius:16px;padding:18px;display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:15px;margin:0;box-shadow:var(--shadow)}
.info dt{color:var(--muted)}
.info dd{margin:0;font-weight:700;color:var(--title);min-width:0}
.seats{display:inline-flex;gap:8px;font-weight:800;color:#215394;background:var(--info-bg);border:1px solid #BED6F4;border-radius:999px;padding:5px 14px;font-size:14px;font-variant-numeric:tabular-nums;align-self:flex-start}
.seats.full{color:var(--bad);background:var(--bad-bg);border-color:#F5C2C2}
.gets{margin:0;padding:0;list-style:none;display:flex;flex-direction:column}
.gets li{position:relative;padding:11px 0 11px 18px;border-top:1px solid var(--line);font-size:15px}
.gets li:first-child{border-top:0;padding-top:0}
.gets li::before{content:"";position:absolute;left:0;top:20px;width:8px;height:8px;border-radius:50%;background:var(--brand)}
.gets li:first-child::before{top:9px}
.gets li:nth-child(4n+2)::before{background:var(--info)}
.gets li:nth-child(4n+3)::before{background:var(--warn)}
.gets li:nth-child(4n)::before{background:var(--good)}
.steps{display:flex;gap:6px;font-size:13px;color:var(--muted);font-weight:700}
.steps span{flex:1;border-top:3px solid var(--line-strong);padding-top:6px;transition:color .2s var(--ease),border-color .2s var(--ease)}
.steps span.on{border-color:var(--night);color:var(--night)}
form{display:flex;flex-direction:column;gap:20px}
.card{background:#fff;border:1px solid var(--card-line);border-radius:16px;padding:20px 18px;display:flex;flex-direction:column;gap:18px;min-width:0;box-shadow:var(--shadow)}
.f{display:flex;flex-direction:column;gap:8px;border:0;margin:0;padding:0;min-width:0}
.f > label,.f > legend{font-weight:700;font-size:15px;padding:0;color:var(--ink)}
.req{color:var(--bad);margin-left:2px}
input[type=text],input[type=tel],input[type=email],input[type=password],input[type=url],input[type=number],input[type=datetime-local],input[type=date],input[type=search],textarea,select{
  width:100%;font:inherit;font-size:15px;color:var(--ink);background:#fff;border:1px solid var(--line-strong);border-radius:6px;padding:11px 12px;min-height:46px;caret-color:var(--night)}
::placeholder{color:#64748B}
textarea{min-height:110px;resize:vertical;line-height:1.6}
textarea.code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;min-height:260px}
input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--night);outline-offset:1px;border-color:var(--night)}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opt{position:relative}
.opt input{position:absolute;opacity:0;inset:0;margin:0}
.opt span{display:block;border:1px solid var(--line-strong);border-radius:999px;padding:9px 15px;font-size:15px;background:#fff;color:var(--brand);font-weight:600;cursor:pointer;transition:background .15s var(--ease),border-color .15s var(--ease)}
.opt span:hover{background:#ECF0F5;border-color:var(--accent)}
.opt input:checked + span{background:var(--night);border-color:var(--night);color:#fff}
.opt input:focus-visible + span{outline:2px solid var(--night);outline-offset:2px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink)}
.check input{width:20px;height:20px;margin:2px 0 0;flex:none;accent-color:var(--night)}
.check small{display:block;color:var(--muted);font-size:13px}
.btn{font:inherit;font-weight:700;font-size:16px;border:0;border-radius:6px;min-height:52px;padding:14px;cursor:pointer;background:var(--night);color:#fff;width:100%;text-align:center;text-decoration:none;display:block;transition:background .15s var(--ease),transform .12s var(--ease)}
.btn:hover{background:var(--hover)}
.btn:active{transform:scale(.98)}
.btn:disabled{background:#E3E8EF;color:#7A8597;cursor:default;transform:none}
.btn.ghost{background:#fff;color:var(--night);border:1px solid var(--line-strong);font-size:15px;min-height:44px;padding:10px}
.btn.ghost:hover{background:var(--mist)}
.btn.sm{width:auto;display:inline-block;font-size:13px;min-height:32px;padding:6px 12px}
.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.err{color:var(--bad);background:var(--bad-bg);border-radius:6px;padding:10px 12px;font-size:14px;font-weight:600}
.ok{color:var(--good);font-size:14px;font-weight:600}
.foot{font-size:12px;color:var(--muted);text-align:center}
.list{display:flex;flex-direction:column;gap:14px}
.item{display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit;transition:transform .2s var(--ease),border-color .2s var(--ease)}
.item:hover{border-color:var(--accent);transform:translateY(-2px)}
.item h3{color:var(--title)}
.muted{color:var(--muted)}
@media (prefers-reduced-motion:no-preference){.step{animation:in .36s var(--ease)}@keyframes in{from{opacity:.4;transform:translateY(8px)}}}

/* 오시는 길 */
.map{width:100%;aspect-ratio:4/3;max-height:320px;border:1px solid var(--line);border-radius:10px;background:var(--mist);display:block}
.venue-name{font-weight:700;color:var(--title);font-size:15px}
.maplinks{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.maplinks a{font-size:13px;font-weight:700;color:var(--brand);background:#fff;border:1px solid #D1E0F3;border-radius:999px;padding:6px 12px;text-decoration:none;min-height:32px}
.maplinks a:hover{background:#ECF0F5;border-color:var(--accent)}
.venue-guide{white-space:pre-line;font-size:15px;background:var(--sky-face);border-radius:10px;padding:14px 16px}

/* 공개 페이지: 밤하늘 + 별 (모션 줄이기 설정이면 별 고정) */
body.sky{background:radial-gradient(ellipse at 50% 0%,var(--night-glow) 0%,var(--night) 48%,var(--night-deep) 100%) fixed;min-height:100vh}
body.sky::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.45;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 14%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 28% 32%,#fff 50%,transparent 51%),
    radial-gradient(1.5px 1.5px at 46% 8%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 63% 22%,#fff 50%,transparent 51%),
    radial-gradient(2px 2px at 81% 12%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 92% 38%,#fff 50%,transparent 51%),
    radial-gradient(1.5px 1.5px at 7% 52%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 36% 64%,#fff 50%,transparent 51%),
    radial-gradient(1.5px 1.5px at 74% 58%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 55% 84%,#fff 50%,transparent 51%),
    radial-gradient(2px 2px at 18% 88%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 88% 80%,#fff 50%,transparent 51%)}
@media (prefers-reduced-motion:no-preference){body.sky::before{animation:twinkle 4s ease-in-out infinite alternate}@keyframes twinkle{to{opacity:.12}}}
.sky header h1,.sky main > section > h2{color:#fff}
.sky .brand{color:var(--on-night-2)}
.sky .brand img{filter:brightness(0) invert(1)}
.sky header .lead{color:#DCE6F5}
.sky header .chip{background:rgba(255,255,255,.07);color:#E4EDFF;border:1px solid rgba(255,255,255,.12)}
.sky .steps{color:var(--on-night-2)}
.sky .steps span{border-color:rgba(255,255,255,.18)}
.sky .steps span.on{border-color:#CDEBFF;color:#fff}
.sky form > .btn{background:#fff;color:var(--night)}
.sky form > .btn:hover{background:var(--sky-face)}
.sky form > .btn:disabled{background:rgba(255,255,255,.4);color:var(--night)}
.sky form > .btn.ghost{background:transparent;color:var(--on-night-2);border-color:rgba(255,255,255,.25)}
.sky .foot,.sky .list > .muted{color:var(--on-night-2)}
.sky .btn:focus-visible{outline-color:#CDEBFF}

/* 관리자 */
.bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 2px 8px #152C4D05}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{padding:11px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);white-space:nowrap}
td.long{white-space:normal;min-width:260px}
th{background:var(--mist);color:var(--th);font-size:13px;font-weight:500}
tr:last-child td{border-bottom:0}
td.n{font-variant-numeric:tabular-nums}
tr.click{cursor:pointer}
tr.click:hover td{background:#ECF0F5}
td select{padding:6px 8px;font-size:13px;width:auto;min-height:32px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs button{font:inherit;font-size:14px;font-weight:600;background:none;border:0;border-bottom:3px solid transparent;padding:10px 14px;color:var(--muted);cursor:pointer;white-space:nowrap}
.tabs button.on{color:var(--night);border-color:var(--accent)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px}
.stat{background:#fff;border:1px solid var(--card-line);border-radius:10px;padding:14px 16px;box-shadow:var(--shadow)}
.stat b{display:block;font-family:var(--d);font-size:26px;color:var(--title);font-variant-numeric:tabular-nums}
.stat span{font-size:13px;color:var(--muted)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.dist{display:flex;flex-direction:column;gap:6px;font-size:14px}
.dist div{display:grid;grid-template-columns:minmax(0,1fr) 120px 32px;gap:8px;align-items:center}
.dist i{display:block;height:8px;border-radius:4px;background:var(--accent)}
.dist em{font-style:normal;text-align:right;font-variant-numeric:tabular-nums;color:var(--muted)}
.quote{border-left:3px solid var(--line-strong);padding-left:12px;font-size:15px;white-space:pre-wrap}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.mat{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,2fr) auto auto;gap:8px;align-items:center}
@media (max-width:640px){.mat{grid-template-columns:1fr}}