:root{--bg-base:#eff7f9;--bg-surface:#e2eef0;--bg-card:#ffffff;--bg-raised:#dceaed;--border:#cfe0e3;--border-bright:#a9c8cd;--text-primary:#0f2733;--text-secondary:#4c6b76;--text-muted:#7d99a2;--accent:#0f3c61;--accent-hover:#0c3050;--accent-dim:rgba(15,60,97,0.08);--accent-purple:#6b1f6e;--accent-brown:#61340f;--accent-green:#13610f;--success:#13610f;--warning:#8a5a00;--danger:#a1231f;--success-bg:rgba(19,97,15,0.08);--warning-bg:rgba(138,90,0,0.08);--danger-bg:rgba(161,35,31,0.08);--radius:10px;--shadow-card:0 1px 2px rgba(15,39,51,0.06),0 1px 1px rgba(15,39,51,0.04)}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--bg-base);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;margin:0}code{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.85em;background:var(--bg-raised);padding:.1em .4em;border-radius:4px;color:var(--accent)}button{font:inherit}input,select{font:inherit;color:var(--text-primary);background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:.5rem .65rem;outline:none;transition:border-color .15s ease}input:focus,select:focus{border-color:var(--border-bright);box-shadow:0 0 0 3px var(--accent-dim)}input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent)}