:root { color-scheme:light; --ink:#17211b; --muted:#647069; --line:#dce3de; --surface:#fff; --soft:#f4f7f4; --green:#1f6f4a; --green-soft:#e4f4eb; --danger:#a43b36; --warning:#8a6416; --shadow:0 18px 45px rgba(30,51,39,.08); font-family:Inter,"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif; }
* { box-sizing:border-box; }
body { margin:0; color:var(--ink); background:#f8faf8; }
button,input { font:inherit; }
button { cursor:pointer; }
button:disabled,input:disabled { cursor:wait; opacity:.62; }
button:focus-visible,input:focus-visible,a:focus-visible { outline:3px solid #77b996; outline-offset:2px; }
.hidden { display:none !important; }
.skip-link { position:fixed; left:12px; top:-60px; z-index:9; background:#fff; padding:10px 14px; color:var(--ink); }
.skip-link:focus { top:12px; }
.topbar { height:72px; display:flex; align-items:center; justify-content:space-between; padding:0 28px; border-bottom:1px solid var(--line); background:rgba(255,255,255,.96); position:sticky; top:0; z-index:4; }
.brand { color:var(--ink); text-decoration:none; font-size:20px; font-weight:760; display:flex; align-items:center; gap:10px; }
.brand-mark { width:34px; height:34px; display:grid; place-items:center; border-radius:50%; color:#fff; background:var(--green); }
.top-actions { display:flex; gap:10px; }
main { width:min(1120px,100%); min-height:calc(100vh - 72px); padding:42px clamp(20px,4vw,64px) 80px; }
main:focus { outline:none; }
h1 { font-size:clamp(28px,4vw,42px); letter-spacing:-.035em; margin:4px 0 8px; }
h2 { font-size:20px; margin:0 0 16px; }
h3 { margin:0 0 4px; text-transform:capitalize; }
p { line-height:1.58; }
.eyebrow { color:var(--green); font-size:12px; letter-spacing:.16em; font-weight:800; margin:0; }
.muted,.field-help,.device-list p,.membership-row p { color:var(--muted); }
.field-help { font-size:13px; margin:-8px 0 0; }
.loading { color:var(--muted); padding:36px 0; }
.notice { border-radius:12px; padding:13px 16px; margin-bottom:18px; background:var(--green-soft); color:#17623f; }
.notice.error { background:#fff0ef; color:var(--danger); }
.card { background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:24px; box-shadow:var(--shadow); }
.quiet-button,.outline-button,.primary-button,.text-button { border-radius:10px; padding:10px 14px; font-weight:650; }
.quiet-button,.outline-button { border:1px solid var(--line); background:#fff; color:var(--ink); }
.primary-button { border:1px solid var(--green); background:var(--green); color:#fff; }
.text-button { border:0; background:transparent; color:var(--green); }
.fit { width:fit-content; }
.auth-layout { min-height:620px; display:grid; grid-template-columns:1fr minmax(340px,470px); align-items:center; gap:8vw; }
.auth-copy h1 { max-width:600px; }
.auth-card { padding:28px; }
.tabs { display:grid; grid-template-columns:1fr 1fr; padding:4px; background:var(--soft); border-radius:12px; margin-bottom:22px; }
.tab { border:0; background:transparent; padding:9px; border-radius:9px; }
.tab.active { background:#fff; box-shadow:0 2px 10px rgba(20,30,24,.08); font-weight:700; }
.form { display:grid; gap:16px; }
.form > label:not(.check) { display:grid; gap:7px; font-size:14px; font-weight:650; }
.form input:not([type=checkbox]) { width:100%; border:1px solid #c8d2cb; border-radius:10px; background:#fff; padding:11px 12px; color:var(--ink); }
.check { display:flex; gap:8px; align-items:flex-start; color:var(--muted); font-size:14px; }
.check input { margin-top:3px; }
.narrow { max-width:620px; margin:10vh auto 0; }
.action-card { min-height:260px; }
.page-heading,.card-heading,.membership-row,.device-list li { display:flex; align-items:center; justify-content:space-between; gap:20px; }
.badge { display:inline-flex; border-radius:99px; padding:5px 10px; font-size:12px; font-weight:700; }
.badge.success { color:#17623f; background:var(--green-soft); }
.badge.warning { color:var(--warning); background:#fff4d4; }
.section-nav { display:flex; gap:8px; overflow:auto; margin:18px 0; }
.section-tab { white-space:nowrap; border:1px solid var(--line); background:#fff; color:var(--muted); border-radius:999px; padding:9px 15px; }
.section-tab.active { border-color:var(--green); color:var(--green); background:var(--green-soft); font-weight:700; }
.two-column { display:grid; grid-template-columns:minmax(280px,.8fr) minmax(380px,1.2fr); gap:18px; }
.compact { max-width:520px; }
.device-list { list-style:none; padding:0; margin:0; }
.device-list li { padding:14px 0; border-top:1px solid var(--line); }
.device-list li:first-child { border-top:0; }
.device-list li > div { flex:1; }
.device-list p,.membership-row p { margin:3px 0 0; font-size:14px; }
.membership-list { display:grid; gap:12px; }
.membership-row { padding:16px; border:1px solid var(--line); border-radius:14px; box-shadow:none; }
@media (max-width:800px) { .auth-layout,.two-column { grid-template-columns:1fr; }.auth-layout { padding-top:30px; }.topbar { padding:0 16px; } main { padding-top:28px; }.page-heading,.card-heading { align-items:flex-start; flex-direction:column; } }
@media (max-width:520px) { .card { padding:18px; }.top-actions { gap:6px; }.quiet-button { padding:9px 10px; }.membership-row { align-items:flex-start; } }
@media (prefers-reduced-motion:reduce) { * { scroll-behavior:auto !important; } }