:root{--bg: #ffffff;--surface: #fafafa;--surface-2: #f5f5f7;--text: #1d1d1f;--text-2: #6e6e73;--accent: #0a84ff;--accent-press: #0060df;--border: #ececec;--radius: 16px;--radius-sm: 12px;--shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.04);color-scheme:light}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}#app{max-width:480px;margin:0 auto;min-height:100vh}.screen{padding:16px 16px calc(96px + env(safe-area-inset-bottom))}h1{font-size:24px;font-weight:600;letter-spacing:-.02em;margin:8px 0 16px}h2{font-size:17px;font-weight:600;margin:0 0 10px}.muted{color:var(--text-2)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.row+.row{margin-top:12px}.label{color:var(--text-2);font-size:14px}.value{font-size:15px;font-weight:500}.big{font-size:34px;font-weight:700;letter-spacing:-.03em}.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;border:none;cursor:pointer;font-size:16px;font-weight:500;padding:15px 18px;border-radius:var(--radius);background:var(--accent);color:#fff;transition:transform .06s ease,background .15s ease}.btn:active{transform:scale(.985);background:var(--accent-press)}.btn.secondary{background:var(--surface-2);color:var(--text)}.btn.ghost{background:transparent;color:var(--accent)}.btn[disabled]{opacity:.5;pointer-events:none}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.chip{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 8px;text-align:center;font-weight:600;cursor:pointer;font-size:15px;transition:transform .06s ease,border-color .15s ease}.chip:active{transform:scale(.97)}.chip.active{border-color:var(--accent);color:var(--accent)}.input{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:16px;background:var(--surface);color:var(--text);outline:none}.input:focus{border-color:var(--accent)}.stack>*+*{margin-top:12px}.tabbar{position:fixed;left:0;right:0;bottom:0;margin:0 auto;max-width:480px;display:grid;grid-template-columns:repeat(5,1fr);background:#ffffffeb;backdrop-filter:saturate(180%) blur(20px);border-top:1px solid var(--border);padding:8px 8px calc(8px + env(safe-area-inset-bottom))}.tab{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;color:var(--text-2);background:none;border:none;cursor:pointer;padding:4px}.tab.active{color:var(--accent)}.tab svg{width:24px;height:24px}.pill{display:inline-block;padding:4px 10px;border-radius:999px;font-size:13px;font-weight:500}.pill.ok{background:#34c7591f;color:#248a3d}.pill.warn{background:#ff950024;color:#b25e00}.pill.off{background:#8e8e9329;color:#6e6e73}.toast{position:fixed;bottom:calc(96px + env(safe-area-inset-bottom));left:50%;transform:translate(-50%);background:#1d1d1f;color:#fff;padding:10px 16px;border-radius:12px;font-size:14px;z-index:50}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background:var(--surface-2);border-radius:10px;padding:12px;word-break:break-all;white-space:pre-wrap}.center{text-align:center}.spacer{height:8px}