:root{--bg: #0b0b10;--bg-soft: #15151d;--bg-soft2: #1d1d27;--fg: #ececf1;--fg-soft: #a4a4b3;--accent: #7c5cff;--accent-soft: #5a40d6;--danger: #ef4f4f;--ok: #4fef93;--warn: #efb74f;--border: #2a2a37;--tap: 48px;--safe-bottom: env(safe-area-inset-bottom, 0px);color-scheme:dark}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;height:100%;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}#root,.app{min-height:100%}.app{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}button{background:var(--bg-soft);color:var(--fg);border:1px solid var(--border);border-radius:12px;padding:12px 16px;font:inherit;min-height:var(--tap);cursor:pointer}button:active{transform:scale(.98)}button.on{background:var(--accent);border-color:var(--accent);color:#fff}button.ghost{background:transparent;border:none;color:var(--accent);padding:8px 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