:root{--bg:#f4f6f8;--fg:#1b2733;--accent:#1f4e79;--card:#fff;--safe-t:env(safe-area-inset-top);--safe-b:env(safe-area-inset-bottom);--safe-l:env(safe-area-inset-left);--safe-r:env(safe-area-inset-right)}@media (prefers-color-scheme:dark){:root{--bg:#11181f;--fg:#e8eef3;--accent:#6aa7dc;--card:#1b2733}}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--bg);height:100%;color:var(--fg);margin:0;font:17px/1.4 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}#app{min-height:100%;padding:var(--safe-t) var(--safe-r) var(--safe-b) var(--safe-l)}button{min-width:44px;min-height:44px;font:inherit}.placeholder{padding:24px}#toast-host{left:0;right:0;bottom:calc(16px + var(--safe-b));pointer-events:none;z-index:1000;flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed}.toast{pointer-events:auto;color:#fff;background:#1b2733;border-radius:12px;align-items:center;gap:16px;min-height:48px;padding:8px 16px;display:flex;box-shadow:0 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