:root{--primary:#1d4ed8;--accent:#0ea5e9;--bg:#f6f9ff;--surface:#fff;--ink:#0f172a;--muted:#5b6b86;--line:#e2e8f5;--ok:#047857;--okbg:#d1fae5;--warn:#92400e;--warnbg:#fef3c7;--bad:#b91c1c;--badbg:#fee2e2;--info:#1e40af;--infobg:#dbeafe;--r:14px;--shadow:0 1px 2px rgba(15,23,42,.05),0 8px 24px rgba(29,78,216,.07);--font:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",Arial,sans-serif}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.5 var(--font);color:var(--ink);background:var(--bg);min-height:100vh}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}h1{font-size:clamp(1.7rem,4vw,2.6rem)}h2{font-size:1.35rem}h3{font-size:1.05rem}
p{margin:0 0 1em}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:99}.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 16px}
.boot{display:flex;gap:10px;align-items:center;justify-content:center;min-height:60vh;color:var(--muted)}
.spinner{width:18px;height:18px;border:3px solid var(--line);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}
/* header */
.topbar{background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar .container{display:flex;align-items:center;gap:12px;min-height:60px}
.brand{min-width:0;white-space:nowrap;display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);font-size:1.05rem}.brand:hover{text-decoration:none}.brand img,.brand svg{flex:none;width:34px;height:34px;border-radius:10px;object-fit:contain}.brand span{overflow:hidden;text-overflow:ellipsis}
.hide-sm{display:none!important}@media(min-width:860px){.hide-sm{display:inline-flex!important}}
.nav{display:none;gap:4px;margin-left:16px}.nav a{padding:8px 12px;border-radius:10px;color:var(--muted);font-weight:600}.nav a:hover,.nav a[aria-current=page]{background:var(--infobg);color:var(--primary);text-decoration:none}
.spacer{flex:1}.balance-chip{background:var(--infobg);color:var(--info);padding:6px 12px;border-radius:999px;font-weight:700;font-size:.9rem}
.menu-btn{display:inline-flex}
.drawer{display:none;border-top:1px solid var(--line);padding:8px 16px 14px;background:#fff}.drawer.open{display:block}.drawer a{display:block;padding:12px 6px;color:var(--ink);font-weight:600;border-bottom:1px solid var(--line)}
@media(min-width:860px){.nav{display:flex}.menu-btn{display:none}.drawer{display:none!important}}
.announce{background:var(--primary);color:#fff;text-align:center;padding:8px 16px;font-size:.92rem}
/* buttons / forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:12px;border:1px solid transparent;font:600 1rem var(--font);cursor:pointer;background:var(--primary);color:#fff;text-decoration:none}
.btn:hover{filter:brightness(1.08);text-decoration:none}.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn.secondary{background:#fff;color:var(--primary);border-color:var(--line)}.btn.danger{background:var(--bad)}.btn.ghost{background:transparent;color:var(--primary)}.btn.sm{min-height:36px;padding:0 12px;font-size:.9rem;border-radius:10px}.btn.block{width:100%}
label{display:block;font-weight:600;margin:0 0 6px;font-size:.93rem}
input,select,textarea{width:100%;min-height:46px;padding:10px 12px;border:1px solid #cbd5ea;border-radius:12px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:110px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--primary);outline:3px solid #bfdbfe;outline-offset:0}
.field{margin-bottom:16px}.hint{color:var(--muted);font-size:.85rem;margin-top:5px}.err{color:var(--bad);font-size:.88rem;margin-top:5px}
.row{display:grid;gap:14px}@media(min-width:700px){.row.cols2{grid-template-columns:1fr 1fr}.row.cols3{grid-template-columns:repeat(3,1fr)}.row.cols4{grid-template-columns:repeat(4,1fr)}}
/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}.card+.card{margin-top:16px}
.grid{display:grid;gap:16px}.grid.g2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.grid.g3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.grid.g4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.stat .v{font-size:1.7rem;font-weight:800;letter-spacing:-.02em}.stat .l{color:var(--muted);font-size:.88rem}
.page{padding-top:24px;padding-bottom:96px}.page-head{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:18px}.page-head h1{font-size:1.6rem;margin:0}
.muted{color:var(--muted)}.right{text-align:right}.center{text-align:center}.mt{margin-top:16px}.nowrap{white-space:nowrap}.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.88rem}.wrap-any{overflow-wrap:anywhere}
/* tables */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table{border-collapse:collapse;width:100%;min-width:560px}th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:.93rem;vertical-align:top}th{background:#f1f6ff;color:var(--muted);font-weight:700;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}tr:last-child td{border-bottom:0}
.empty{padding:34px 16px;text-align:center;color:var(--muted)}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:700;background:var(--infobg);color:var(--info);white-space:nowrap}
.badge.ok{background:var(--okbg);color:var(--ok)}.badge.warn{background:var(--warnbg);color:var(--warn)}.badge.bad{background:var(--badbg);color:var(--bad)}.badge.gray{background:#eef2f7;color:#475569}
.alert{padding:12px 14px;border-radius:12px;margin-bottom:16px;background:var(--infobg);color:var(--info);font-size:.93rem}.alert.ok{background:var(--okbg);color:var(--ok)}.alert.warn{background:var(--warnbg);color:var(--warn)}.alert.bad{background:var(--badbg);color:var(--bad)}
/* hero */
.hero{padding:54px 0 40px;background:radial-gradient(900px 380px at 80% -10%,#dbeafe 0,transparent 70%),linear-gradient(#fff,var(--bg))}
.hero .container{display:grid;gap:28px;align-items:center}@media(min-width:860px){.hero .container{grid-template-columns:1.15fr .85fr}}
.hero p.lead{font-size:1.1rem;color:var(--muted);max-width:46ch}.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.feature{display:flex;gap:12px}.feature .ic{flex:none;width:42px;height:42px;border-radius:12px;background:var(--infobg);color:var(--primary);display:grid;place-items:center;font-weight:800}
.steps{counter-reset:s;display:grid;gap:14px}.steps li{list-style:none;counter-increment:s;display:flex;gap:12px}.steps li:before{content:counter(s);flex:none;width:30px;height:30px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700}
.auth{max-width:440px;margin:40px auto}
details.faq{border:1px solid var(--line);border-radius:12px;background:#fff;padding:14px 16px;margin-bottom:10px}details.faq summary{cursor:pointer;font-weight:700}
.prose{white-space:pre-wrap}
footer.site{border-top:1px solid var(--line);background:#fff;padding:26px 0 90px;color:var(--muted);font-size:.92rem}footer.site .container{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between}
/* bottom tab bar (mobile) */
.tabbar{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);z-index:25;padding-bottom:env(safe-area-inset-bottom)}
.tabbar a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 2px;color:var(--muted);font-size:.72rem;font-weight:600}.tabbar a[aria-current=page]{color:var(--primary)}.tabbar a:hover{text-decoration:none}.tabbar .i{font-size:1.25rem;line-height:1}
@media(min-width:860px){.tabbar{display:none}}
/* admin */
.admin{display:grid;min-height:100vh;grid-template-rows:auto 1fr;align-content:start}@media(min-width:960px){.admin{grid-template-rows:none}}@media(min-width:960px){.admin{grid-template-columns:240px 1fr}}
.side{background:#0b1b44;color:#cfe0ff;padding:16px}.side .brand{color:#fff;margin-bottom:14px}.side a{display:block;padding:10px 12px;border-radius:10px;color:#cfe0ff;font-weight:600}.side a:hover{background:#16306f;text-decoration:none}.side a[aria-current=page]{background:var(--primary);color:#fff}
.side nav{display:none;margin-top:8px}.side nav.open{display:block}@media(min-width:960px){.side nav{display:block}.side .menu-btn{display:none}.side{position:sticky;top:0;height:100vh;overflow:auto}}
.side .head{display:flex;justify-content:space-between;align-items:center}.side .menu-btn{background:#16306f;color:#fff;border-color:#16306f}
.admin main{padding:20px 16px 60px;min-width:0}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}.toolbar input,.toolbar select{width:auto;min-width:150px;flex:1}
.pager{display:flex;gap:10px;align-items:center;justify-content:flex-end;margin-top:12px}
dl.kv{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:0}dl.kv dt{color:var(--muted)}dl.kv dd{margin:0;overflow-wrap:anywhere}
.timeline{list-style:none;margin:0;padding:0}.timeline li{padding:8px 0 8px 18px;border-left:2px solid var(--line);position:relative}.timeline li:before{content:"";position:absolute;left:-6px;top:14px;width:10px;height:10px;border-radius:50%;background:var(--primary)}
.msg{padding:12px 14px;border-radius:12px;background:#f1f6ff;margin-bottom:10px}.msg.staff{background:#ecfdf5}.msg.internal{background:#fffbeb;border:1px dashed #f59e0b}
/* modal + toast */
.modal-back{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:50;display:grid;place-items:end center;padding:0}@media(min-width:700px){.modal-back{place-items:center;padding:20px}}
.modal{background:#fff;width:100%;max-width:640px;max-height:92vh;overflow:auto;border-radius:18px 18px 0 0;padding:20px}@media(min-width:700px){.modal{border-radius:18px}}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.toasts{position:fixed;left:12px;right:12px;bottom:76px;z-index:60;display:grid;gap:8px;pointer-events:none}@media(min-width:860px){.toasts{left:auto;right:20px;bottom:20px;width:360px}}
.toast{pointer-events:auto;background:#0f172a;color:#fff;padding:12px 14px;border-radius:12px;box-shadow:var(--shadow)}.toast.bad{background:var(--bad)}.toast.ok{background:var(--ok)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}