:root {
  --bg: #f6f7f9; --panel: #ffffff; --ink: #14171c; --muted: #5d6673; --line: #e2e6ec;
  --accent: #3b5bdb; --accent-ink: #ffffff; --ok: #2b8a5a; --warn: #c97a14; --bad: #c92a3a;
  --shadow: 0 1px 2px rgba(20,23,28,.06), 0 8px 28px rgba(20,23,28,.07);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116; --panel: #161b22; --ink: #e8ebf0; --muted: #96a0ae; --line: #262d38;
    --accent: #7c93ff; --accent-ink: #0e1116; --ok: #4cc38a; --warn: #e8a34a; --bad: #ff6b7a;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 28px rgba(0,0,0,.35);
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
button, input { font: inherit; color: inherit; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }

/* ---- landing ---- */
.top { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; text-decoration: none; color: var(--ink); }
.mark { width: 28px; height: 28px; border-radius: 9px; background: linear-gradient(135deg, var(--accent), #9b6bff); display: grid; place-items: center; color: #fff; font-size: 15px; }
.hero { padding: 64px 0 40px; text-align: center; }
.hero h1 { font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1.08; letter-spacing: -.03em; margin: 0 0 16px; }
.hero p { color: var(--muted); font-size: 1.1rem; max-width: 560px; margin: 0 auto 28px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); cursor: pointer; text-decoration: none; color: var(--ink); font-weight: 600; box-shadow: var(--shadow); }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn.small { padding: 7px 12px; font-size: .9rem; box-shadow: none; }
.btn.danger { color: var(--bad); }
.fine { color: var(--muted); font-size: .85rem; max-width: 460px; margin: 14px auto 0; }
.err { color: var(--bad); font-weight: 600; margin-top: 12px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; padding: 24px 0 56px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.foot { border-top: 1px solid var(--line); padding: 22px 0 40px; color: var(--muted); font-size: .88rem; display: flex; gap: 18px; flex-wrap: wrap; }

/* ---- legal pages ---- */
.doc { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 28px clamp(18px, 4vw, 40px); margin: 8px 0 40px; box-shadow: var(--shadow); }
.doc h1 { margin-top: 0; letter-spacing: -.02em; }
.doc h2 { margin-top: 1.8em; font-size: 1.15rem; }
.doc td, .doc th { text-align: left; padding: 6px 12px 6px 0; vertical-align: top; border-bottom: 1px solid var(--line); font-size: .93rem; }
.doc table { border-collapse: collapse; width: 100%; }

/* ---- app ---- */
body.app { display: flex; flex-direction: column; height: 100%; }
.bar { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: var(--panel); border-bottom: 1px solid var(--line); }
.bar .brand .name { display: none; }
@media (min-width: 720px) { .bar .brand .name { display: inline; } }
.go { flex: 1; display: flex; min-width: 0; }
.go input { flex: 1; min-width: 0; padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg); outline: none; }
.go input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.meter { display: flex; flex-direction: column; gap: 4px; min-width: 96px; font-size: .74rem; color: var(--muted); text-align: right; }
.track { height: 6px; border-radius: 99px; background: var(--line); overflow: hidden; }
.fill { height: 100%; width: 0; background: var(--ok); transition: width .6s, background .3s; }
.fill.warn { background: var(--warn); } .fill.bad { background: var(--bad); }
.icon { border: 1px solid var(--line); background: var(--panel); border-radius: 10px; width: 38px; height: 38px; cursor: pointer; font-size: 1.1rem; }
.icon:hover { border-color: var(--accent); }
.stage { position: relative; flex: 1; min-height: 0; }
#view { color-scheme: light; position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: #fff; display: none; }
.empty { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: 24px; overflow: auto; }
.empty h2 { font-size: clamp(1.5rem, 4vw, 2.2rem); letter-spacing: -.02em; margin: 0 0 8px; }
.empty p { color: var(--muted); margin: 0 0 22px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.chip { padding: 8px 14px; border-radius: 99px; border: 1px solid var(--line); background: var(--panel); cursor: pointer; }
.chip:hover { border-color: var(--accent); }
.overlay { position: absolute; inset: 0; display: none; place-items: center; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(4px); text-align: center; padding: 24px; z-index: 5; }
.overlay.show { display: grid; }
.menu { position: absolute; right: 14px; top: 58px; z-index: 10; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 8px; display: none; min-width: 230px; }
.menu.show { display: block; }
.menu button, .menu a { display: block; width: 100%; text-align: left; padding: 9px 12px; border: 0; background: none; border-radius: 8px; cursor: pointer; text-decoration: none; color: var(--ink); font-size: .93rem; }
.menu button:hover, .menu a:hover { background: var(--bg); }
.menu .sep { height: 1px; background: var(--line); margin: 6px 0; }
.menu .danger { color: var(--bad); }
.menu .info { padding: 8px 12px; color: var(--muted); font-size: .82rem; }

.invite { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.invite input { padding: 12px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); min-width: 200px; text-align: center; outline: none; }
.invite input:focus { border-color: var(--accent); }

/* ---- app polish ---- */
.bar .icon { flex: none; }
.chips + .chips { margin-top: 12px; }
.chip.recent::before { content: "↺ "; color: var(--muted); }
.loadbar { position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--accent); z-index: 4; opacity: 0; transition: width .4s ease, opacity .3s; }
.loadbar.on { opacity: 1; width: 70%; transition: width 6s cubic-bezier(.1,.8,.2,1); }
.loadbar.done { opacity: 0; width: 100%; transition: width .15s, opacity .4s .15s; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 12px; font-size: .92rem; opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; z-index: 20; max-width: calc(100vw - 32px); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.menu .info a { display: inline; padding: 0; color: var(--accent); }
@media (max-width: 560px) { .bar { gap: 8px; padding: 8px 10px; } .icon { width: 34px; height: 34px; } .meter { min-width: 70px; } #full { display: none; } }