:root{--bg:#f4f7f6;--surface:#fff;--text:#1d2b32;--muted:#53646c;--line:#d3dde0;--brand:#17566a;--on-brand:#fff;--focus:#b36200;--err:#8f1d1d;--err-bg:#fdecec;--note-bg:#e8f3f6;--soft:#eef3f4;color-scheme:light dark;font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;font-size:16px;line-height:1.5}
@media(prefers-color-scheme:dark){:root{--bg:#12181c;--surface:#1a2227;--text:#e6ecee;--muted:#a7b5bb;--line:#33424a;--brand:#7cc3d6;--on-brand:#0d2a33;--focus:#ffbf47;--err:#ffb4ab;--err-bg:#3a1c1c;--note-bg:#1e3138;--soft:#222d33}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100dvh;display:flex;flex-direction:column;background:var(--bg);color:var(--text)}
.sr,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip:focus{position:fixed;left:12px;top:12px;z-index:10;background:var(--surface);color:var(--text);padding:10px 14px;border-radius:8px;border:2px solid var(--focus)}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px max(16px,4vw);background:var(--surface);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.1rem;min-width:0}
.mark{display:grid;place-items:center;width:34px;height:34px;flex:none;border-radius:10px;background:var(--brand);color:var(--on-brand);font-weight:700}
.name{overflow-wrap:anywhere}
main{width:100%;max-width:52rem;margin:0 auto;padding:24px 16px 32px;flex:1;outline:none}
h1{font-size:1.6rem;line-height:1.25;margin:0 0 8px;overflow-wrap:anywhere;outline:none}
h2{font-size:1.1rem;margin:24px 0 8px}
.lead{margin:0 0 20px;color:var(--muted)}
.hint{margin:6px 0 0;color:var(--muted);font-size:.9rem}
form{display:grid;gap:6px;max-width:26rem;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}
label{font-weight:600;margin-top:10px}
label:first-of-type{margin-top:0}
label.check{display:flex;align-items:center;gap:10px;font-weight:400;min-height:44px;margin-top:4px}
input[type=checkbox]{width:22px;height:22px;flex:none;accent-color:var(--brand)}
input[type=text],input[type=password]{width:100%;min-height:46px;padding:10px 12px;font:inherit;color:var(--text);background:var(--surface);border:1px solid #7a8d95;border-radius:8px}
button{font:inherit;min-height:46px;padding:10px 18px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--text);cursor:pointer}
button:hover{background:var(--soft)}
button:disabled{opacity:.6;cursor:progress}
button.primary{margin-top:14px;background:var(--brand);border-color:var(--brand);color:var(--on-brand);font-weight:600}
button.primary:hover{filter:brightness(1.08)}
button.ghost{min-height:44px}
:where(a,button,input,summary,[tabindex]):focus-visible{outline:3px solid var(--focus);outline-offset:2px}
h1[tabindex="-1"]:focus{outline:none}
a{color:var(--brand)}
@media(prefers-color-scheme:light){a{color:#0f5062}}
.secret{font-family:ui-monospace,Consolas,"Cascadia Mono",monospace;font-size:1.15rem;letter-spacing:.06em;overflow-wrap:anywhere;background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:12px 14px;margin:8px 0;user-select:all}
.steps{margin:8px 0;padding-left:1.3rem}.steps li{margin:4px 0}
.qr{display:block;width:min(100%,300px);height:auto;margin:12px 0;background:#fff;border:1px solid var(--line);border-radius:8px;image-rendering:pixelated}.qr[hidden]{display:none}
h2{margin-top:8px}
.notice{background:var(--note-bg);border-radius:8px;padding:12px 14px;margin:0 0 16px;max-width:26rem}
.error{background:var(--err-bg);color:var(--err);border-radius:8px;padding:10px 12px;margin:8px 0 0;overflow-wrap:anywhere}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;margin:0 0 16px}
.panel.empty{text-align:center;padding:32px 16px}
.panel .error{margin:0 0 12px}
.cases{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:10px}
.case{display:grid;gap:4px;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--text);text-decoration:none;min-height:44px}
a.case:hover{border-color:var(--brand)}
.case .row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}
.case .no{font-size:.85rem;color:var(--muted);overflow-wrap:anywhere}
.case .subject{font-weight:600;overflow-wrap:anywhere}
.case .when{font-size:.85rem;color:var(--muted)}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.8rem;font-weight:600;border:1px solid var(--line);background:var(--soft);white-space:nowrap}
.badge.s-new,.badge.s-open{border-color:var(--brand)}
.badge.s-resolved,.badge.s-closed{background:transparent}
.back{margin:0 0 12px}
.back a,#otp-link{display:inline-flex;align-items:center;min-height:44px}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));gap:12px 16px;margin:0 0 8px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:12px}
.facts dt{font-size:.85rem;color:var(--muted)}
.facts dd{margin:2px 0 0;font-weight:600;overflow-wrap:anywhere}
.text{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px}
.replies{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.replies li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px}
.replies time{display:block;font-size:.85rem;color:var(--muted);margin-bottom:4px}
.replies p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}
.foot{padding:16px;text-align:center;color:var(--muted);font-size:.85rem}
[hidden]{display:none!important}
@media(max-width:480px){main{padding:16px 12px 24px}h1{font-size:1.4rem}form{padding:16px}.top{padding:10px 12px}}
@media(prefers-reduced-motion:no-preference){button,a.case{transition:border-color .15s,background .15s}}