:root {
  --signal: #C85320;
  --bg: #f8fafc; --panel: #ffffff; --fg: #0f172a; --muted: #64748b; --line: #e2e8f0;
  --accent: #0f766e; --accent-fg: #ffffff; --soft: #f0fdfa;
  --ok: #15803d; --ok-soft: #dcfce7; --warn: #b45309; --warn-soft: #fef3c7; --bad: #b91c1c; --bad-soft: #fee2e2;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --signal: #F08A55;
    --bg: #0b1120; --panel: #111827; --fg: #e5e7eb; --muted: #94a3b8; --line: #1f2937;
    --accent: #2dd4bf; --accent-fg: #042f2e; --soft: #0b2e2b;
    --ok: #4ade80; --ok-soft: #052e16; --warn: #fbbf24; --warn-soft: #3a2a05; --bad: #f87171; --bad-soft: #3b0d0d;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.55 'Figtree', 'Segoe UI', Arial, sans-serif; }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
button, .btn {
  font: 600 13px system-ui, sans-serif; border: 1px solid var(--line); background: var(--panel); color: var(--fg);
  border-radius: 8px; padding: 8px 12px; cursor: pointer; text-decoration: none; display: inline-block;
}
button.primary, .btn.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
button:disabled { opacity: .6; cursor: default; }
input, select, textarea {
  font: inherit; color: var(--fg); background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 10px; width: 100%;
}
textarea { resize: vertical; }
label { display: block; font-size: 12px; color: var(--muted); margin: 10px 0 4px; }
.muted { color: var(--muted); }
.hidden { display: none !important; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.brand { font-weight: 800; font-size: 18px; letter-spacing: -.02em; }
.brand span { color: var(--accent); }

/* landing */
.hero { padding: 72px 0 40px; text-align: center; }
.hero h1 { font-size: clamp(30px, 6vw, 52px); letter-spacing: -.03em; }
.hero p { font-size: 18px; color: var(--muted); max-width: 640px; margin: 0 auto 28px; }
.signin { display: flex; gap: 8px; max-width: 420px; margin: 0 auto; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; padding: 24px 0 40px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; padding-bottom: 60px; }
.price { font-size: 28px; font-weight: 800; }

/* app */
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; gap: 12px; flex-wrap: wrap; }
.layout { display: grid; grid-template-columns: 240px 1fr; gap: 16px; padding-bottom: 40px; }
@media (max-width: 860px) { .layout { grid-template-columns: minmax(0, 1fr); } }
.layout > * { min-width: 0; }
.events button { display: block; width: 100%; text-align: left; margin-bottom: 6px; }
.events button.active { border-color: var(--accent); background: var(--soft); }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.toolbar input[type=search] { max-width: 260px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 12px; }
.stat b { display: block; font-size: 22px; }
.stat small { color: var(--muted); }
.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; min-width: 820px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: var(--bg); position: sticky; top: 0; }
tr:last-child td { border-bottom: none; }
td .sub { color: var(--muted); font-size: 12px; }
.pill { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.none { background: var(--bg); color: var(--muted); border: 1px solid var(--line); }
.links a { margin-right: 8px; white-space: nowrap; }
.posts { font-size: 12px; margin-top: 4px; }
.posts a { display: block; }
td select { padding: 4px 6px; width: auto; }
.actions button { padding: 5px 9px; margin: 0 4px 4px 0; }

dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: var(--fg); padding: 20px; width: min(560px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0,0,0,.4); }
.dialog-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
@media (max-width: 520px) { .grid2 { grid-template-columns: 1fr; } }
.notice { padding: 10px 12px; border-radius: 8px; background: var(--warn-soft); color: var(--warn); margin-bottom: 12px; }
code.token { display: block; word-break: break-all; padding: 8px; background: var(--bg); border: 1px dashed var(--line); border-radius: 8px; margin-top: 8px; }

/* booths */
.side-label { font: 500 11px/1 'JetBrains Mono', monospace; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 18px 0 8px; }
.booth-head { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.booth-head .tag { align-self: flex-start; font: 500 11px/1 'JetBrains Mono', monospace; letter-spacing: .06em; text-transform: uppercase; background: var(--soft); color: var(--accent); border-radius: 999px; padding: 4px 9px; }
.capture { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-bottom: 16px; }
.capture .card { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.capture .card h3 { font-size: 16px; margin: 0; }
.capture .card p { margin: 0; font-size: 13px; color: var(--muted); }
.capture .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.capture code { font: 500 13px/1.4 'JetBrains Mono', monospace; background: var(--bg); border: 1px dashed var(--line); border-radius: 6px; padding: 6px 8px; word-break: break-all; }
.qrimg { width: 160px; height: 160px; background: #fff; border-radius: 8px; padding: 6px; border: 1px solid var(--line); }
.saved-note { font-size: 13px; color: var(--ok); }

/* team plan */
.plan-days { display: flex; flex-direction: column; gap: 22px; }
.plan-day { display: flex; flex-direction: column; gap: 10px; }
.plan-day h3 { font-size: 15px; color: var(--muted); font-family: 'JetBrains Mono', monospace; font-weight: 500; letter-spacing: .04em; text-transform: uppercase; margin: 0; }
.plan-card { display: grid; grid-template-columns: 96px 1fr; gap: 14px; }
.plan-time { font: 600 15px/1.3 'JetBrains Mono', monospace; font-variant-numeric: tabular-nums; }
.plan-body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.plan-flags, .plan-people { display: flex; gap: 6px; flex-wrap: wrap; }
@media (max-width: 560px) { .plan-card { grid-template-columns: 1fr; } }

/* event report */
.report { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.funnel { display: flex; flex-direction: column; gap: 6px; }
.funnel-step { display: grid; grid-template-columns: 1fr 150px; align-items: center; gap: 10px; }
.funnel-bar { height: 12px; border-radius: 99px; background: var(--accent); }
.funnel-step span { font-variant-numeric: tabular-nums; }
@media (max-width: 520px) { .funnel-step { grid-template-columns: 1fr 120px; } }

.cphoto { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; float: left; margin: 2px 10px 0 0; }

/* Claude Design system: type and components */
h1, h2, h3, .brand, .stat b, .price { font-family: 'Bricolage Grotesque', 'Trebuchet MS', sans-serif; letter-spacing: -.01em; }
.brand { font-weight: 800; }
.hero h1 { font-weight: 800; letter-spacing: -.03em; }
.eyebrow, th, .side-label, code, .time { font-family: 'JetBrains Mono', 'Courier New', monospace; }
.eyebrow { display: block; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--signal, #C85320); margin-bottom: 6px; }
th { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.pill { font-family: 'Figtree', sans-serif; }
.features { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 900px) { .features { grid-template-columns: minmax(0, 1fr); } }
.features .card h3 { margin-bottom: 6px; }
button, .btn { border-radius: 7px; }
.card { border-radius: 12px; }
.signin button { white-space: nowrap; }
.plans .card.popular { border: 2px solid var(--accent); }

/* settings: tabs instead of one long scroll */
dialog.settings { width: min(640px, calc(100vw - 32px)); padding: 0; }
.settings-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px 0; }
.settings-head h3 { margin: 0; }
.settings-head button { border: none; background: none; font-size: 18px; padding: 4px 8px; }
.tabs { display: flex; gap: 4px; overflow-x: auto; padding: 12px 20px 0; border-bottom: 1px solid var(--line); scrollbar-width: none; }
.tabs button { border: none; border-bottom: 2px solid transparent; border-radius: 0; background: none; color: var(--muted); padding: 8px 10px; white-space: nowrap; }
.tabs button.active { color: var(--fg); border-bottom-color: var(--signal, var(--accent)); }
.tab-panel { padding: 16px 20px 20px; min-height: 320px; max-height: min(70vh, 640px); overflow-y: auto; }
.tab-panel hr { border: none; border-top: 1px solid var(--line); margin: 16px 0; }
.notice .toolbar { margin-top: 8px; }

/* first sign-in welcome: an announcement-style modal, shown once */
dialog.welcome { width: min(620px, calc(100vw - 32px)); padding: 0; overflow: hidden; }
.welcome-hero { height: 120px; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 35% 50%, rgba(45,212,191,.35), transparent 55%), radial-gradient(circle at 65% 50%, rgba(240,138,85,.3), transparent 55%), #0b1120; }
.welcome-body { position: relative; padding: 20px 22px 18px; }
.welcome-x { position: absolute; top: -108px; right: 12px; border: none; background: rgba(0,0,0,.35); color: #fff; }
.welcome-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 14px; }
.welcome-grid button { text-align: left; padding: 12px; display: flex; flex-direction: column; gap: 4px; font-weight: 400; }
.welcome-grid button b { font-size: 14px; }
.welcome-grid button span { color: var(--muted); font-size: 13px; }
.welcome-grid button:hover { border-color: var(--accent); }
@media (max-width: 520px) { .welcome-grid { grid-template-columns: minmax(0, 1fr); } }

.brand.logo { display: inline-flex; align-items: center; line-height: 0; }
.brand.logo img { height: 30px; width: auto; }

.booth-head .tag.ok { background: var(--ok-soft); color: var(--ok); }
.host-pass { border-color: var(--accent); }