:root{--bg: #0a0a0a;--bg-2: #111113;--bg-3: #1a1a1d;--fg: #f4f4f5;--fg-2: #a1a1aa;--fg-3: #6b6b73;--border-1: rgba(255, 255, 255, .08);--border-2: rgba(255, 255, 255, .14);--accent: #f4f4f5;--danger: #f87171;--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--fg);font-family:-apple-system,Segoe UI,Roboto,Noto Sans Thai,Sarabun,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}input,textarea{font:inherit;color:var(--fg)}.shell{max-width:640px;margin:0 auto;min-height:100%;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:12px 16px;background:#0a0a0ae0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-1)}.brand{font-weight:700;letter-spacing:.2px;font-size:16px}.topbar .spacer{flex:1}.iconbtn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;color:var(--fg-2)}.iconbtn:hover{background:var(--bg-3);color:var(--fg)}.tabs{position:sticky;bottom:0;z-index:20;display:flex;border-top:1px solid var(--border-1);background:#0a0a0aeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding-bottom:env(safe-area-inset-bottom)}.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 0 8px;color:var(--fg-3);font-size:11px}.tab.active{color:var(--fg)}.main{flex:1;overflow-y:auto}.login{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 24px;gap:20px}.login h1{font-size:26px;font-weight:700}.login .sub{color:var(--fg-2);font-size:14px;text-align:center}.card{width:100%;max-width:360px;display:flex;flex-direction:column;gap:10px}.field{width:100%;padding:12px 14px;border-radius:var(--radius);background:var(--bg-2);border:1px solid var(--border-1);outline:none}.field:focus{border-color:var(--border-2)}.btn{width:100%;padding:12px 14px;border-radius:var(--radius);background:var(--fg);color:#0a0a0a;font-weight:600}.btn:disabled{opacity:.5;cursor:default}.btn-ghost{background:var(--bg-2);color:var(--fg);border:1px solid var(--border-1)}.error{color:var(--danger);font-size:13px;text-align:center;min-height:18px}.linkline{color:var(--fg-2);font-size:13px;text-align:center}.linkline button{color:var(--fg);text-decoration:underline}.device{display:flex;align-items:center;justify-content:center;padding:32px 20px}.devicecard{width:100%;max-width:400px;display:flex;flex-direction:column;align-items:center;gap:12px;padding:28px 24px;border-radius:16px;background:var(--bg-2);border:1px solid var(--border-1);text-align:center}.devicecard h1{font-size:21px;font-weight:700}.devicecard .sub{color:var(--fg-2);font-size:14px}.devicecard .ok{color:#4ade80}.devicecard .btn{margin-top:2px}.codefield{text-align:center;font-size:26px;letter-spacing:5px;font-weight:600;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;padding:14px 12px;margin-top:6px}.devicemeta{width:100%;display:flex;flex-direction:column;gap:8px;padding:14px;margin-top:4px;border-radius:var(--radius);background:var(--bg);border:1px solid var(--border-1)}.devicemeta>div{display:flex;justify-content:space-between;gap:16px;font-size:13.5px}.devicemeta dt{color:var(--fg-3)}.devicemeta dd{color:var(--fg);text-align:right;word-break:break-word}.devicemeta .mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:1px}.warn{width:100%;padding:10px 12px;border-radius:var(--radius);background:#f8717114;border:1px solid rgba(248,113,113,.25);color:var(--fg-2);font-size:12.5px;text-align:left}