:root {
  --bg: #f5f5f7;
  --card: rgba(255,255,255,.72);
  --card-border: rgba(0,0,0,.08);
  --text: #1d1d1f;
  --dim: #6e6e73;
  --accent: #0071e3;
  --accent2: #2997ff;
  --danger: #d70015;
  --ok: #0a7c42;
  --radius: 18px;
  --shadow: 0 8px 28px rgba(0,0,0,.08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000;
    --card: rgba(28,28,30,.75);
    --card-border: rgba(255,255,255,.12);
    --text: #f5f5f7;
    --dim: #98989f;
    --accent: #2997ff;
    --danger: #ff453a;
    --ok: #30d158;
  }
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh; line-height: 1.55;
}
.bg-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 400px at 12% -6%, rgba(41,151,255,.20), transparent 60%),
    radial-gradient(700px 500px at 95% 12%, rgba(41,151,255,.14), transparent 60%);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* top bar */
.topbar { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(20px) saturate(1.4);
  background: color-mix(in srgb, var(--bg) 72%, transparent); border-bottom: 1px solid var(--card-border); }
.topbar-in { max-width: 1080px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 9px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-tile { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; font-weight: 800; font-size: 16px;
  box-shadow: 0 2px 10px rgba(41,151,255,.4); }
.brand-text { font-weight: 700; font-size: 15px; letter-spacing: .2px; }
.brand-text .dim { color: var(--dim); font-weight: 400; }
.nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.nav a { padding: 6px 11px; border-radius: 999px; color: var(--text); font-size: 14px; }
.nav a:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); text-decoration: none; }
.nav a.on { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); font-weight: 600; }
.modelpick { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--dim); }
.modelpick select, select { background: var(--card); color: var(--text); border: 1px solid var(--card-border);
  border-radius: 9px; padding: 5px 8px; font-size: 13px; }
.model-label { display: flex; flex-direction: column; gap: 3px; font-size: 11.5px; }
.model-label select { max-width: 210px; font-size: 12.5px; }
.linkbtn { background: none; border: none; color: var(--dim); font-size: 13px; cursor: pointer; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 26px 16px 70px; }
.foot { position: fixed; bottom: 0; left: 0; right: 0; text-align: center; font-size: 12px; color: var(--dim);
  padding: 10px; background: color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter: blur(12px); }

/* flashes */
.flashes { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.flash { padding: 11px 15px; border-radius: 14px; background: color-mix(in srgb, var(--accent) 12%, var(--card));
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); font-size: 14px; overflow-wrap: anywhere; }
.flash.error { background: color-mix(in srgb, var(--danger) 12%, var(--card));
  border-color: color-mix(in srgb, var(--danger) 30%, transparent); }

/* hero + sections */
.hero { margin-bottom: 24px; }
.hero h1 { font-size: clamp(26px, 4vw, 34px); letter-spacing: -.6px; margin-bottom: 8px; }
.sub { font-size: 13px; color: var(--dim); }
.dim { opacity: .75; }
h1 { font-size: clamp(22px, 3.2vw, 28px); letter-spacing: -.4px; margin-bottom: 8px; }
h2.sec { font-size: 17px; margin: 28px 0 12px; }
.inline-form, .stack { display: flex; flex-direction: column; gap: 10px; }

/* stats */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin-bottom: 8px; }
.stat-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 14px 16px; backdrop-filter: blur(20px) saturate(1.4); box-shadow: var(--shadow); }
.stat-card b { display: block; font-size: 26px; letter-spacing: -.5px; }
.stat-card span { font-size: 12px; color: var(--dim); }

/* cards */
.grid2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 16px 18px; backdrop-filter: blur(20px) saturate(1.4); box-shadow: var(--shadow); display: block; color: var(--text); }
a.card:hover { text-decoration: none; border-color: color-mix(in srgb, var(--accent) 35%, var(--card-border)); }
.card-top { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.card-top b { font-size: 15px; }
.badge { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); font-weight: 600; }

/* tables */
.tablecard { padding: 8px 4px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th { text-align: left; font-size: 12px; color: var(--dim); font-weight: 600; padding: 10px 10px; white-space: nowrap; border-bottom: 1px solid var(--card-border); }
td { padding: 9px 10px; border-bottom: 1px solid color-mix(in srgb, var(--card-border) 55%, transparent);
  vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
.nowrap { white-space: nowrap; }
.tiny { font-size: 12px; }
.strong { font-weight: 600; }
.snip { font-size: 12px; color: var(--dim); margin-top: 3px; max-width: 520px; overflow-wrap: anywhere; }

/* status pills */
.st { display: inline-block; font-size: 11px; padding: 2px 9px; border-radius: 999px; background: color-mix(in srgb, var(--dim) 14%, transparent); }
.st-completed { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.st-pending { background: color-mix(in srgb, #ff9f0a 18%, transparent); color: #b25000; }
.st-cancelled { background: color-mix(in srgb, var(--danger) 15%, transparent); color: var(--danger); }
.st-scheduled { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }

/* chips & experts */
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip { font-size: 12.5px; padding: 5px 12px; border-radius: 999px; border: 1px solid var(--card-border);
  background: var(--card); }
.expert-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.expert-chip { background: var(--card); border: 1px solid var(--card-border); border-radius: 14px;
  padding: 12px 15px; display: flex; flex-direction: column; gap: 2px; min-width: 200px; color: var(--text); }
.expert-chip:hover { text-decoration: none; border-color: color-mix(in srgb, var(--accent) 35%, var(--card-border)); }
.ex-name { font-weight: 650; font-size: 14.5px; }
.li { color: var(--accent); font-size: 12px; }

/* forms */
.searchbar { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.txt { background: var(--card); border: 1px solid var(--card-border); border-radius: 12px; color: var(--text);
  padding: 10px 14px; font-size: 14px; outline: none; }
.txt:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(41,151,255,.18); }
.grow { flex: 1; min-width: 200px; }
.btn { background: color-mix(in srgb, var(--accent) 10%, var(--card)); color: var(--accent); border: 1px solid
  color-mix(in srgb, var(--accent) 30%, transparent); border-radius: 12px; padding: 9px 16px; font-size: 14px;
  font-weight: 600; cursor: pointer; }
.btn:hover { background: color-mix(in srgb, var(--accent) 18%, var(--card)); }
.btn.primary { background: var(--accent); color: #fff; border-color: transparent; }
.btn.primary:hover { background: var(--accent2); }
.btn.tiny { font-size: 12px; padding: 5px 11px; border-radius: 9px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.between { justify-content: space-between; }
label { font-size: 13px; color: var(--dim); }
.back { display: inline-block; margin-bottom: 12px; font-size: 13.5px; }

/* expert head */
.expert-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.li-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* markdown render */
.md { font-size: 14.5px; }
.md h2 { font-size: 17px; margin: 20px 0 8px; padding-bottom: 5px; border-bottom: 1px solid var(--card-border); }
.md h3 { font-size: 15px; margin: 16px 0 6px; }
.md p { margin: 7px 0; }
.md ul, .md ol { margin: 7px 0 7px 22px; }
.md li { margin: 3px 0; }
.md strong { font-weight: 700; }
.md code { background: color-mix(in srgb, var(--dim) 14%, transparent); border-radius: 5px; padding: 1px 6px; font-size: 13px; }
.md table { margin: 10px 0; font-size: 13px; }
.md th, .md td { border: 1px solid var(--card-border); padding: 7px 10px; }
.md th { background: color-mix(in srgb, var(--dim) 8%, transparent); }

/* call page */
.action-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 10px; }
@media (max-width: 640px) { .action-grid { grid-template-columns: 1fr 1fr; } }
.action { display: flex; flex-direction: column; gap: 7px; padding: 14px; }
.action b { font-size: 14px; }
.action .btn { align-self: flex-start; }
.action-row { display: flex; gap: 12px; align-items: center; margin-top: 8px; flex-wrap: wrap; }
.tr-wrap { margin-top: 8px; }
.tr-wrap summary { cursor: pointer; font-size: 13.5px; color: var(--accent); }
.tr-text { white-space: pre-wrap; font-size: 13.5px; line-height: 1.7; margin-top: 10px;
  max-height: 62vh; overflow-y: auto; padding-right: 8px; }

/* job page */
.job-hero { margin-top: 12px; }
.job-hero h1 { font-size: 22px; }
.progress { height: 8px; border-radius: 999px; background: color-mix(in srgb, var(--dim) 16%, transparent);
  margin: 16px 0 10px; overflow: hidden; }
.progress .bar { height: 100%; width: 0; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width .5s; }

.error-card { text-align: center; padding: 48px 20px; }
.error-card h1 { font-size: 40px; }

/* login */
.login-body { display: grid; place-items: center; min-height: 100dvh; padding: 20px; }
.login-card { background: var(--card); border: 1px solid var(--card-border); border-radius: 24px;
  padding: 34px 30px; width: 100%; max-width: 370px; backdrop-filter: blur(20px) saturate(1.4); box-shadow: var(--shadow); }
.login-logo { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; font-size: 28px;
  font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 4px 18px rgba(41,151,255,.45); margin-bottom: 16px; }
.login-card h1 { font-size: 21px; margin-bottom: 4px; }
.login-sub { font-size: 13px; color: var(--dim); margin-bottom: 18px; }
.login-card form { display: flex; flex-direction: column; gap: 10px; }
.login-card .txt { width: 100%; }