:root{--bg: #0b141a;--panel: #111b21;--card: #182229;--border: #2a3942;--text: #e9edef;--muted: #8696a0;--accent: #25d366;--accent-ink: #04231a;--danger: #f04747;--warn: #e6b800;--off: #6b7c85}@media(prefers-color-scheme:light){:root{--bg: #f0f2f5;--panel: #ffffff;--card: #ffffff;--border: #e2e8ec;--text: #111b21;--muted: #667781;--accent: #12a150;--accent-ink: #ffffff}}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{min-height:100vh}.topbar{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;background:var(--panel);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;color:var(--accent)}.brand strong{display:block;color:var(--text);font-size:15px}.brand .muted{font-size:12px}.who{display:flex;align-items:center;gap:10px;font-size:13px}.role{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--card);border:1px solid var(--border)}.role.administrator{color:var(--accent);border-color:var(--accent)}.link{background:none;border:none;color:var(--muted);cursor:pointer;text-decoration:underline}.center{display:grid;place-items:center;min-height:calc(100vh - 56px);padding:20px}.content{max-width:960px;margin:0 auto;padding:20px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.actions{display:flex;gap:8px;flex-wrap:wrap}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px}.login{width:340px;max-width:100%}.login h2{margin:0 0 6px}input{width:100%;padding:10px 12px;margin:8px 0;border-radius:8px;border:1px solid var(--border);background:var(--panel);color:var(--text);font-size:14px}label{font-size:12px;color:var(--muted)}button{cursor:pointer;border-radius:8px;padding:9px 14px;font-size:14px;border:1px solid var(--border);background:var(--panel);color:var(--text)}button:disabled{opacity:.5;cursor:not-allowed}.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}.ghost{background:transparent}.danger{color:var(--danger);border-color:var(--danger);background:transparent}.sm{padding:6px 10px;font-size:13px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-top:16px}.num-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.num-actions{display:flex;gap:6px;margin-top:12px;flex-wrap:wrap}.badge{font-size:11px;padding:3px 9px;border-radius:999px;border:1px solid var(--border)}.badge.ok{color:var(--accent);border-color:var(--accent)}.badge.warn{color:var(--warn);border-color:var(--warn)}.badge.off{color:var(--off)}.muted{color:var(--muted)}.small{font-size:12px}.empty{margin-top:20px;padding:24px;text-align:center;color:var(--muted);border:1px dashed var(--border);border-radius:12px}.alert{background:#f047471f;border:1px solid var(--danger);color:#ffb4b4;padding:8px 12px;border-radius:8px;margin:8px 0;font-size:13px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:grid;place-items:center;padding:16px;z-index:10}.modal{width:400px;max-width:100%}.center-modal{text-align:center}.row-end{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}.adopt-list{max-height:320px;overflow-y:auto;margin:8px 0;display:flex;flex-direction:column;gap:8px}.adopt-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px;border:1px solid var(--border);border-radius:8px}.qr{width:240px;height:240px;background:#fff;border-radius:8px;padding:8px;margin:10px auto;display:block}.pair{font-size:18px;letter-spacing:2px;margin-top:8px}.ok-big{font-size:22px;margin:20px 0;color:var(--accent)}.toast{position:fixed;left:50%;bottom:20px;transform:translate(-50%);z-index:20;padding:10px 16px;border-radius:8px;font-size:14px;border:1px solid var(--border);background:var(--card);box-shadow:0 6px 20px #0000004d;max-width:90%}.toast.ok{border-color:var(--accent);color:var(--accent)}.toast.err{border-color:var(--danger);color:#ffb4b4}