:root{--bg:#f8fafc;--bg-subtle:#f1f5f9;--surface:#fff;--surface-hover:#f8fafc;--surface-active:#f1f5f9;--surface-sunken:#f1f5f9;--surface-elevated:#fff;--surface-sidebar:#fff;--surface-glass:#ffffffe6;--line:#e2e8f0;--line-strong:#cbd5e1;--line-subtle:#f1f5f9;--line-highlight:#94a3b8;--ink:#0f172a;--ink-secondary:#334155;--ink-muted:#64748b;--ink-faint:#94a3b8;--ink-inverse:#fff;--accent:#4f46e5;--accent-hover:#4338ca;--accent-subtle:#4f46e514;--accent-border:#4f46e540;--accent-warm:#d97706;--accent-warm-subtle:#d9770614;--accent-warm-border:#d9770647;--signal-red:#ef4444;--signal-red-subtle:#ef444414;--signal-red-glow:#ef44444d;--signal-emerald:#10b981;--signal-emerald-subtle:#10b98114;--signal-blue:#3b82f6;--signal-blue-subtle:#3b82f614;--signal-grey:#94a3b8;--font-sans:"IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"IBM Plex Mono", "SF Mono", "Cascadia Code", ui-monospace, monospace;--font-serif:"Plus Jakarta Sans", serif;--radius-xs:6px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px;--shadow-xs:0 1px 2px #0f172a0a;--shadow-sm:0 1px 3px #0f172a0f, 0 1px 2px #0f172a0a;--shadow-md:0 4px 16px #0f172a0f, 0 2px 4px #0f172a05;--shadow-lg:0 12px 32px #0f172a14, 0 4px 8px #0f172a08;--shadow-glow:0 0 20px #4f46e526;--inner-highlight:inset 0 1px 0 #ffffffe6;--ease-out:cubic-bezier(.22, .61, .36, 1);--ease-smooth:cubic-bezier(.4, 0, .2, 1);--ease-entrance:cubic-bezier(.16, 1, .3, 1);--dur-fast:.12s;--dur:.18s;--dur-slow:.26s;--dur-enter:.42s;--transition-ui:background-color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out)}body{min-height:100%;color:var(--ink);background-color:var(--bg);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;font-size:15px;line-height:1.6;display:flex}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-ui);white-space:nowrap;-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;gap:.5rem;padding:.65rem 1.25rem;font-size:.88rem;font-weight:600;text-decoration:none;display:inline-flex}.btn:active:not(:disabled){transform:scale(.98)}.btn-primary{background:var(--accent);color:#fff;border:1px solid var(--accent);box-shadow:0 1px 4px #4f46e540}.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover);box-shadow:0 4px 12px #4f46e559}.btn-danger{background:var(--signal-red);color:#fff;border:1px solid var(--signal-red);box-shadow:0 1px 4px #ef444440}.btn-danger:hover:not(:disabled){background:#dc2626;box-shadow:0 4px 12px #ef444459}.btn-secondary{color:var(--ink);border:1px solid var(--line-strong);box-shadow:var(--shadow-xs);background:#fff}.btn-secondary:hover:not(:disabled){background:var(--surface-hover);border-color:var(--line-highlight)}.btn-ghost{color:var(--ink-muted);background:0 0;border:1px solid #0000}.btn-ghost:hover:not(:disabled){color:var(--ink);background:var(--surface-sunken)}.btn-sm{border-radius:var(--radius-sm);padding:.42rem .85rem;font-size:.82rem}.btn:disabled{opacity:.5;cursor:not-allowed}
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