:root{--bg: #f6f7f9;--surface: #ffffff;--surface-2: #f0f2f5;--border: #dfe3e8;--border-strong: #c3cad3;--text: #16181d;--text-muted: #5f6673;--text-faint: #8a919e;--accent: #1f6feb;--accent-text: #ffffff;--accent-soft: #e8f0fe;--danger: #c0392b;--danger-soft: #fdecea;--ok: #1a7f4b;--ok-soft: #e7f5ed;--radius: 10px;--radius-sm: 6px;--s1: 4px;--s2: 8px;--s3: 12px;--s4: 16px;--s5: 24px;--s6: 32px;--s7: 48px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 12px rgba(16, 24, 40, .06);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}@media (prefers-color-scheme: dark){:root{--bg: #101216;--surface: #181b21;--surface-2: #21252d;--border: #2b303a;--border-strong: #3c4350;--text: #e9ecf1;--text-muted: #a2aab8;--text-faint: #767e8c;--accent: #4c8ffb;--accent-text: #0b1220;--accent-soft: #17273f;--danger: #f0827a;--danger-soft: #34201f;--ok: #5fcf95;--ok-soft: #14291f;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 14px rgba(0, 0, 0, .3)}}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.01em}h1{font-size:22px}h2{font-size:17px}p{margin:0}a{color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.field{display:flex;flex-direction:column;gap:var(--s2)}.label{font-size:13px;font-weight:600;color:var(--text-muted)}.input{width:100%;padding:11px var(--s3);font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);transition:border-color .12s ease}.input:focus{border-color:var(--accent)}.input::placeholder{color:var(--text-faint)}select.input{-moz-appearance:none;appearance:none;-webkit-appearance:none;padding-right:34px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%239aa1ab' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/></svg>");background-repeat:no-repeat;background-position:right 12px center}.input-sm{width:auto;padding:6px var(--s2)}select.input-sm{padding-right:28px;background-position:right 9px center}.input-code{font-family:var(--mono);font-size:22px;letter-spacing:.35em;text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--s2);padding:11px var(--s4);font:inherit;font-weight:600;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);cursor:pointer;transition:background .12s ease,border-color .12s ease}.btn:hover:not(:disabled){background:var(--surface-2)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{color:var(--accent-text);background:var(--accent);border-color:var(--accent)}.btn-primary:hover:not(:disabled){filter:brightness(1.08)}.btn-quiet{padding:var(--s2) var(--s3);font-weight:500;color:var(--text-muted);background:none;border-color:transparent}.btn-quiet:hover:not(:disabled){color:var(--text);background:var(--surface-2)}.btn-block{width:100%}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.note{padding:var(--s3);font-size:14px;border-radius:var(--radius-sm)}.note-error{color:var(--danger);background:var(--danger-soft)}.note-info{color:var(--text-muted);background:var(--surface-2)}.stack{display:flex;flex-direction:column}.center-page{display:flex;align-items:center;justify-content:center;min-height:100%;padding:var(--s5)}.muted{color:var(--text-muted)}.faint{color:var(--text-faint);font-size:13px}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:18px;height:18px;border:2px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@media (prefers-reduced-motion: reduce){.spinner{animation-duration:2s}}@media print{:root{--surface: #fff;--surface-2: #fff;--bg: #fff}body{background:#fff}header,.no-print{display:none!important}main{padding:0!important}.card{box-shadow:none!important;border:1px solid #ccc!important;break-inside:avoid}tr,img{break-inside:avoid}}