:root {
  --ink: #14161d;
  --ink-2: #1a1d26;
  --line: #2b303c;
  --fg: #e8eaf0;
  --muted: #888fa0;
  --faint: #5b6273;
  --accent: #e7a93c;
  --accent-2: #f2b95a;
  --paper: #fbfaf6;
  --paper-ink: #1b1a17;
  --paper-muted: #6b6760;
  --paper-line: #e7e2d6;
  --term: #0f1117;
  --term-fg: #cfe3d8;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }

body {
  background: var(--ink);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.app { max-width: 980px; margin: 0 auto; padding: 48px 24px 80px; }
.spacer { flex: 1; }

.masthead { padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.wordmark { margin: 0; font-family: var(--mono); font-weight: 700; font-size: 34px; letter-spacing: -1px; line-height: 1; }
.wordmark .dot { color: var(--accent); }
.tagline { margin: 12px 0 0; color: var(--muted); font-size: 13.5px; max-width: 62ch; }

.btn { font-family: var(--mono); font-size: 13px; font-weight: 500; padding: 9px 16px; border: 1px solid var(--line); border-radius: 9px; background: transparent; color: var(--fg); cursor: pointer; transition: border-color .15s, background .15s, color .15s; }
.btn.ghost:hover:not(:disabled) { border-color: var(--faint); }
.btn.solid { background: var(--accent); border-color: var(--accent); color: #1d1505; font-weight: 600; }
.btn.solid:hover:not(:disabled) { background: var(--accent-2); border-color: var(--accent-2); }
.btn:disabled { opacity: .5; cursor: default; }

.file-input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; z-index: 2; }

.spinner { width: 15px; height: 15px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.notice { margin-top: 20px; padding: 12px 14px; border-radius: 10px; font-size: 13px; line-height: 1.5; }
.notice.error { color: #ffd9d2; background: rgba(228, 90, 72, .1); border: 1px solid rgba(228, 90, 72, .32); }

.readout { margin-top: 28px; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--ink-2); }
.tabs { display: flex; align-items: center; gap: 4px; padding: 10px 12px; border-bottom: 1px solid var(--line); background: var(--ink); }
.tab { font-family: var(--mono); font-size: 12.5px; color: var(--muted); background: transparent; border: 1px solid transparent; border-radius: 8px; padding: 6px 12px; cursor: pointer; transition: color .15s, background .15s, border-color .15s; }
.tab:hover { color: var(--fg); }
.tab.active { color: var(--accent); background: rgba(231, 169, 60, .1); border-color: rgba(231, 169, 60, .35); }

.hint { color: var(--faint); font-size: 12.5px; padding: 14px 16px; margin: 0; }

.json { margin: 0; background: var(--term); color: var(--term-fg); font-family: var(--mono); font-size: 12.5px; line-height: 1.65; padding: 22px 24px; max-height: 70vh; overflow: auto; white-space: pre; tab-size: 2; }
.json code { font-family: inherit; }

.page { background: var(--paper); color: var(--paper-ink); font-family: var(--serif); font-size: 16px; line-height: 1.65; padding: 34px 40px; max-height: 64vh; overflow: auto; }
.page > :first-child { margin-top: 0; }
.page h1, .page h2, .page h3, .page h4 { font-family: var(--serif); font-weight: 600; line-height: 1.25; color: #15140f; }
.page h1 { font-size: 26px; margin: 1.4em 0 .5em; }
.page h2 { font-size: 21px; margin: 1.3em 0 .5em; }
.page h3 { font-size: 18px; margin: 1.2em 0 .4em; }
.page p { margin: 0 0 1em; }
.page a { color: #9a6b16; text-underline-offset: 2px; }
.page ul, .page ol { margin: 0 0 1em; padding-left: 1.4em; }
.page li { margin: .25em 0; }
.page table { border-collapse: collapse; width: 100%; margin: 1.2em 0; font-size: 14.5px; }
.page th, .page td { border: 1px solid var(--paper-line); padding: 7px 11px; text-align: left; vertical-align: top; }
.page th { background: #f1eee4; font-weight: 600; }
.page code { font-family: var(--mono); font-size: .86em; background: #efece2; padding: 1px 5px; border-radius: 4px; }
.page pre { background: #f1eee4; padding: 14px 16px; border-radius: 8px; overflow: auto; }
.page pre code { background: none; padding: 0; }
.page blockquote { margin: 0 0 1em; padding-left: 14px; border-left: 3px solid var(--paper-line); color: var(--paper-muted); }
.page img { max-width: 100%; }
.page hr { border: none; border-top: 1px solid var(--paper-line); margin: 1.6em 0; }

.detail-table table { border-collapse: collapse; width: 100%; font-family: var(--serif); font-size: 14.5px; }
.detail-table th, .detail-table td { border: 1px solid var(--paper-line); padding: 7px 11px; text-align: left; }
.detail-table th { background: #f1eee4; font-weight: 600; }

.fac-body > :first-child { margin-top: 0; }
.fac-body p { margin: 0 0 .35em; }
.fac-body ul, .fac-body ol { margin: 0 0 .35em; padding-left: 1.1em; }
.fac-body li { margin: 0; }
.fac-body h1, .fac-body h2, .fac-body h3, .fac-body h4 { margin: 0 0 .2em; font-size: 1.15em; font-weight: 600; line-height: 1.15; }
.fac-body table { border-collapse: collapse; width: 100%; }
.fac-body th, .fac-body td { border: 1px solid var(--paper-line); padding: 1px 3px; text-align: left; }
.fac-body pre { margin: 0; white-space: pre-wrap; word-break: break-word; font-family: var(--mono); font-size: .9em; }
.fac-body img { max-width: 100%; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

@media (max-width: 640px) {
  .app { padding: 32px 16px 64px; }
  .page { padding: 24px 20px; }
  .wordmark { font-size: 28px; }
}