:root{--color-bg:#fff;--color-fg:#14181f;--color-muted:#5a6472;--color-border:#d9dee5;--color-surface:#f5f7fa;--color-accent:#2f5fd6;--color-accent-fg:#fff;--color-danger:#b3261e;--focus-ring:#2f5fd6}@media (prefers-color-scheme:dark){:root{--color-bg:#12151a;--color-fg:#eef1f5;--color-muted:#a3adba;--color-border:#2b313b;--color-surface:#1a1f26;--color-accent:#7ea1f2;--color-accent-fg:#0b1220;--color-danger:#ff8a80;--focus-ring:#7ea1f2}}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--color-bg);color:var(--color-fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}a{color:var(--color-accent)}:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}button,input,select,textarea{font:inherit;color:inherit}.container{max-width:72rem;margin:0 auto;padding:0 1.5rem}.button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border-radius:.5rem;padding:.65rem 1.25rem;font-weight:600;border:1px solid transparent;cursor:pointer;text-decoration:none}.button-primary{background:var(--color-accent);color:var(--color-accent-fg)}.button-secondary{background:transparent;color:var(--color-fg);border-color:var(--color-border)}.button:disabled{opacity:.6;cursor:not-allowed}.field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:1rem}.field label{font-weight:600;font-size:.9rem}.field input,.field select{padding:.6rem .75rem;border-radius:.4rem;border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-fg)}.field-error{color:var(--color-danger);font-size:.85rem}.card{border:1px solid var(--color-border);border-radius:.75rem;padding:1.5rem;background:var(--color-surface)}.form-error{background:color-mix(in srgb,var(--color-danger) 12%,transparent);border:1px solid var(--color-danger);color:var(--color-danger);padding:.75rem 1rem;border-radius:.5rem;margin-bottom:1rem;font-size:.9rem}