:root{--bg:#fafafa;--ink:#111;--muted:#6b7280;--border:#e5e7eb;--accent:#111;--accent-ink:#fff;--radius:12px;--shadow:0 2px 10px rgba(0,0,0,.06);--grid:#eee;--font:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji"}*{box-sizing:border-box}#__next,body,html{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:24px}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:#fff;color:var(--ink);border-radius:10px;padding:8px 12px;transition:background .15s ease,border-color .15s ease,box-shadow .15s ease}button:hover{background:#f9fafb}button:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.btn-primary:hover{box-shadow:0 4px 14px rgba(0,0,0,.12)}.btn-ghost{background:transparent}input[type=search],input[type=text]{width:100%;border:1px solid var(--border);border-radius:10px;padding:8px 12px;outline:none}input:focus{border-color:#cbd5e1;box-shadow:0 0 0 3px rgba(59,130,246,.08)}.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.grid-bg{background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:60px 60px}