:root{--bg:#f1f3f5;--surface:#fff;--ink:#1e1e1e;--muted:#6b6b6b;--accent:#1f6feb;--danger:#c92a2a}@media (prefers-color-scheme:dark){:root{--bg:#121417;--surface:#1d2026;--ink:#e9ecef;--muted:#9aa0a6}}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.phone{flex-direction:column;gap:16px;max-width:420px;min-height:100dvh;margin:0 auto;padding:0 16px 24px;display:flex}.status-bar{color:var(--muted);justify-content:space-between;padding:10px 0;font-size:13px;display:flex}.card{background:var(--surface);border-radius:16px;flex-direction:column;gap:12px;padding:20px;display:flex}.card h1{margin:0;font-size:20px}label{color:var(--muted);flex-direction:column;gap:6px;font-size:14px;display:flex}input,select{font:inherit;background:var(--surface);color:var(--ink);border:1px solid #ced4da;border-radius:10px;padding:12px;font-size:18px}.dial{text-align:center;letter-spacing:2px;font-size:28px}button{font:inherit;background:var(--surface);color:var(--ink);border:1px solid #ced4da;border-radius:10px;min-height:48px;padding:12px 16px;font-size:16px}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.link{color:var(--muted);background:0 0;border:none;min-height:0}button:disabled{opacity:.5}.ussd-backdrop{background:#00000073;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.ussd-dialog{background:var(--surface);border-radius:14px;flex-direction:column;gap:12px;width:100%;max-width:388px;padding:18px;display:flex}.ussd-text{white-space:pre-wrap;margin:0;font-size:17px;line-height:1.35}.reply{width:100%}.actions{justify-content:flex-end;gap:8px;margin-top:8px;display:flex}.dev{color:var(--muted);margin:0;font-family:ui-monospace,Menlo,monospace;font-size:12px}.error{color:var(--danger);margin:0}.dev-toggle{flex-direction:row;align-items:center;gap:8px;margin-top:auto}.status-bar{align-items:center;gap:8px}button.icon{min-width:44px;min-height:44px;padding:0;font-size:22px}button.icon.lang{margin-left:auto;font-size:13px;font-weight:600}.reconnecting{color:var(--muted);text-align:center;margin:0 0 8px;font-size:12px}.topup{gap:8px;display:flex}.topup button{flex:1}.tools{flex-direction:row}.tools button{flex:1}.badge{background:var(--danger);color:#fff;text-align:center;border-radius:11px;min-width:22px;margin-left:8px;padding:2px 6px;font-size:13px;display:inline-block}.sms-banner{z-index:30;text-align:left;background:var(--surface);width:calc(100% - 16px);max-width:404px;color:var(--ink);border:1px solid var(--accent);min-height:48px;position:fixed;top:8px;left:50%;transform:translate(-50%);box-shadow:0 4px 16px #0000004d}.sheet{z-index:20;background:var(--bg);flex-direction:column;gap:12px;max-width:420px;margin:0 auto;padding:16px;display:flex;position:fixed;inset:0;overflow-y:auto}.sheet h2,.pin-dialog h2{color:var(--ink);margin:0;font-size:20px}.drawer{gap:14px}.toggle{min-height:44px;color:var(--ink);flex-direction:row;align-items:center;gap:10px}.toggle input{width:24px;height:24px}.sheet.inbox-sheet{height:100dvh;padding:max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));inset:0;overflow:hidden}.inbox-list{-webkit-overflow-scrolling:touch;overscroll-behavior:contain;min-height:0;overflow-y:auto}.messages{flex-direction:column;flex:1;gap:8px;margin:0;padding:0;list-style:none;display:flex}.msg{background:var(--surface);border-radius:12px;padding:4px 12px 10px}.msg.unread{border-left:4px solid var(--accent)}.msg-head{text-align:left;background:0 0;border:none;justify-content:space-between;width:100%;padding:8px 0;display:flex}.msg-text{white-space:pre-wrap;margin:0}.msg-text.clamp{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.muted{color:var(--muted)}.pin-overlay{z-index:40;background:#0009;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.pin-dialog{background:var(--surface);border-radius:14px;flex-direction:column;gap:12px;width:100%;max-width:388px;padding:18px;display:flex}.pin-dialog p{margin:0}.pin-dialog input{text-align:center;letter-spacing:8px}