:root{--font-sans:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--color-bg:#f7f8fb;--color-surface:#fff;--color-border:#e4e7ec;--color-text:#1a1d29;--color-text-muted:#667085;--color-primary:#4f46e5;--color-primary-hover:#4338ca;--color-primary-bg:#eef2ff;--color-danger:#dc2626;--color-danger-hover:#b91c1c;--color-danger-bg:#fef2f2;--color-success:#16a34a;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--shadow-sm:0 1px 2px #1018280f;--shadow-md:0 4px 16px #10182814}*{box-sizing:border-box}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;margin:0}h1,h2,h3{letter-spacing:-.01em;font-weight:700}a{color:var(--color-primary)}.btn{border-radius:var(--radius-sm);font:inherit;cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:.4rem;padding:.55rem 1.1rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:background-color .15s,border-color .15s,color .15s;display:inline-flex}.btn:disabled{opacity:.55;cursor:default}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}.btn-secondary:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary)}.btn-danger{background:var(--color-surface);border-color:var(--color-danger-bg);color:var(--color-danger)}.btn-danger:hover:not(:disabled){background:var(--color-danger-bg);border-color:var(--color-danger)}.card{border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.card,.input{background:var(--color-surface);border:1px solid var(--color-border)}.input{border-radius:var(--radius-sm);font:inherit;color:var(--color-text);padding:.55rem .7rem}.input:focus{outline:2px solid var(--color-primary-bg);border-color:var(--color-primary)}.text-muted{color:var(--color-text-muted)}