:root{--ink:#0F2621;--paper:#F5F2E9;--signal:#17B981;--signal-dk:#0a7d5c;--card:#fff;--line:#e2ddd0;--muted:#6b7a75}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,sans-serif;background:var(--paper);color:var(--ink);min-height:100vh}
.wrap{max-width:640px;margin:0 auto;padding:28px 18px}
h1{font-size:1.5rem;margin-bottom:6px}
h2{font-size:1.05rem;margin-bottom:4px}
.sub{color:var(--muted);font-size:.9rem;margin-bottom:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:16px}
label{font-size:.85rem;font-weight:600;display:block;margin:12px 0 5px}
input,textarea{width:100%;padding:12px 13px;border-radius:10px;border:1px solid var(--line);background:var(--paper);font-size:1rem;font-family:inherit}
input:focus,textarea:focus{outline:none;border-color:var(--signal)}
button{width:100%;margin-top:16px;padding:13px;border:none;border-radius:11px;background:var(--signal-dk);color:#fff;font-size:1rem;font-weight:600;cursor:pointer}
button.secondary{background:var(--paper);color:var(--signal-dk);border:1px solid var(--signal-dk)}
button:disabled{opacity:.5}
.err{color:#c0392b;font-size:.88rem;margin-top:10px;display:none}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat{background:var(--paper);border-radius:12px;padding:14px}
.stat b{display:block;font-size:1.25rem;margin-top:3px}
.stat span{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.bar{height:9px;background:var(--line);border-radius:6px;overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;background:var(--signal);border-radius:6px}
.pill{display:inline-block;padding:4px 12px;border-radius:99px;font-size:.78rem;font-weight:600}
.pill.on{background:#d9f5e9;color:var(--signal-dk)}
.pill.off{background:#fdeaea;color:#c0392b}
.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.logout{background:none;border:none;color:var(--muted);width:auto;margin:0;padding:6px 10px;font-size:.85rem;text-decoration:underline;cursor:pointer}
.ok{color:var(--signal-dk);font-size:.88rem;margin-top:8px;display:none}
a.back{color:var(--signal-dk);font-size:.85rem;text-decoration:none}
a.link{color:var(--signal-dk);font-size:.85rem;text-decoration:underline;cursor:pointer;display:inline-block;margin-top:12px}
.row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:none}
.small{font-size:.82rem;color:var(--muted)}
code.otp{display:block;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:10px;word-break:break-all;font-size:.8rem;margin-top:8px}