:root{--color-bg:#f8fafc;--color-surface:#ffffff;--color-border:#cbd5e1;--color-text:#0f172a;--color-muted:#475569;--color-primary:#155e75;--color-primary-hover:#164e63;--color-danger:#b91c1c;--shadow-soft:0 1px 2px rgba(15,23,42,0.08),0 6px 18px rgba(15,23,42,0.06)}*{box-sizing:border-box}#__next,body,html{margin:0;padding:0;min-height:100%;background:var(--color-bg);color:var(--color-text);font-family:Segoe UI,Helvetica Neue,Helvetica,Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.main-column{width:min(1200px,92vw);margin-inline:auto}.card{border:1px solid var(--color-border);border-radius:12px;box-shadow:var(--shadow-soft)}.btn,.card{background:var(--color-surface)}.btn{border:1px solid var(--color-border);color:var(--color-text);border-radius:10px;padding:10px 14px;cursor:pointer}.btn-primary{border-color:var(--color-primary);background:var(--color-primary);color:#f8fafc}.btn-primary:hover{background:var(--color-primary-hover)}.btn-danger{border-color:#fecaca;background:#fee2e2;color:var(--color-danger)}.field{width:100%;border:1px solid var(--color-border);border-radius:10px;background:var(--color-surface);padding:10px 12px;color:var(--color-text)}.muted{color:var(--color-muted)}.grid{display:grid;grid-gap:12px;gap:12px}.toast-viewport{position:fixed;bottom:16px;right:16px;display:grid;grid-gap:10px;gap:10px;width:min(360px,calc(100vw - 24px));z-index:9999}.toast{border:1px solid var(--color-border);border-radius:12px;background:var(--color-surface);box-shadow:var(--shadow-soft);padding:10px 12px;display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.toast-success{border-color:#86efac;background:#f0fdf4}.toast-error{border-color:#fca5a5;background:#fef2f2}.toast-close{border:1px solid var(--color-border);border-radius:8px;background:transparent;min-width:24px;height:24px;cursor:pointer}