:root {
  color-scheme: light;

  /* palette — matches ideitas.online's main site tokens */
  --bg: #f5ebe0;        /* linen */
  --paper: #edede9;     /* parchment */
  --fg: #14213d;        /* prussian-blue */
  --accent: #d5bdaf;    /* almond-silk */
  --accent-strong: #b8860b;

  --muted: color-mix(in srgb, var(--fg) 55%, transparent);
  --text-2: color-mix(in srgb, var(--fg) 76%, transparent);
  --border-fade: color-mix(in srgb, var(--fg) 16%, transparent);
  --focus: var(--accent-strong);

  --good: #2f6e44;
  --bad: #a3402f;

  --font-display: "Instrument Serif", "Times New Roman", serif;
  --font-mono: "Courier Prime", "Courier New", monospace;
  --font-rules: "Archivo", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #14213d;       /* prussian-blue */
    --paper: #000000;
    --fg: #e5e5e5;       /* alabaster-grey */
    --accent: #fca311;   /* orange */
    --accent-strong: #fca311;

    --muted: color-mix(in srgb, var(--fg) 55%, transparent);
    --text-2: color-mix(in srgb, var(--fg) 78%, transparent);
    --border-fade: color-mix(in srgb, var(--fg) 15%, transparent);

    --good: #6fcf8f;
    --bad: #e2735a;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { margin: 0; padding: 0; min-height: 100%; }
body {
  background:
    radial-gradient(circle at 50% -10%, color-mix(in srgb, var(--accent-strong) 12%, transparent), transparent 55%),
    var(--bg);
  color: var(--fg);
  font-family: var(--font-rules);
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; }

.wrap { max-width: 760px; margin: 0 auto; padding: 40px 24px 72px; }

.home-link {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 22px;
  transition: color 0.18s ease;
}
.home-link:hover { color: var(--accent-strong); }

header.hero { margin-bottom: 30px; }
header.hero h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.1rem, 5vw, 2.9rem);
  line-height: 1;
  letter-spacing: 0.005em;
  margin: 0 0 12px;
}
header.hero h1 .hl { font-style: italic; color: var(--accent-strong); }
header.hero p { margin: 0; color: var(--text-2); font-size: 0.98rem; line-height: 1.55; max-width: 58ch; }
header.hero .model-tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.68rem;
  color: var(--muted);
  border: 1px solid var(--border-fade);
  border-radius: 999px;
  padding: 5px 14px;
}

.panes { display: flex; flex-direction: column; gap: 18px; }

.drop-card, .result-card, .loading-card {
  background: var(--paper);
  border: 1px solid var(--border-fade);
  border-radius: 4px;
  padding: 18px;
}

.drop-zone {
  border: 1.5px dashed var(--border-fade);
  border-radius: 6px;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 20px;
  transition: border-color 0.18s ease, background 0.18s ease;
  position: relative;
  overflow: hidden;
}
.drop-zone:hover, .drop-zone:focus-visible { border-color: var(--accent-strong); }
.drop-zone.drag-over { border-color: var(--accent-strong); background: color-mix(in srgb, var(--accent-strong) 8%, transparent); }
.drop-zone:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.drop-empty { text-align: center; color: var(--text-2); }
.drop-icon { width: 34px; height: 34px; color: var(--muted); margin-bottom: 10px; }
.drop-empty p { margin: 4px 0; font-size: 0.94rem; }
.drop-empty p.hint { font-size: 0.72rem; color: var(--muted); font-family: var(--font-mono); letter-spacing: 0.03em; text-transform: uppercase; }

.preview { max-width: 100%; max-height: 360px; border-radius: 4px; display: block; }

.drop-actions { display: flex; align-items: center; gap: 12px; margin-top: 16px; }

button.go {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--bg);
  background: var(--fg);
  border: 1px solid var(--fg);
  border-radius: 999px;
  padding: 11px 26px;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
button.go:hover:not(:disabled) { background: var(--accent-strong); border-color: var(--accent-strong); color: var(--bg); transform: translateY(-1px); }
button.go:disabled { opacity: 0.45; cursor: default; transform: none; }
button.go:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.clear-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.7rem;
  cursor: pointer;
  padding: 4px 0;
  transition: color 0.18s ease;
}
.clear-btn:hover { color: var(--bad); }

.error {
  margin: 14px 0 0;
  font-size: 0.85rem;
  color: var(--bad);
  border: 1px solid color-mix(in srgb, var(--bad) 40%, transparent);
  background: color-mix(in srgb, var(--bad) 8%, transparent);
  border-radius: 4px;
  padding: 10px 14px;
}

.loading-card {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-2);
}
.loading-card p { margin: 0; font-size: 0.72rem; color: var(--muted); }
.spinner {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2.5px solid var(--border-fade);
  border-top-color: var(--accent-strong);
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.result-tag { font-size: 0.66rem; color: var(--muted); letter-spacing: 0.08em; }
.result-actions { display: flex; gap: 8px; }
.toggle-view, .copy-btn {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--border-fade);
  background: var(--bg);
  color: var(--text-2);
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}
.toggle-view:hover, .copy-btn:hover { border-color: var(--accent-strong); color: var(--accent-strong); }
.copy-btn.copied { border-color: var(--good); color: var(--good); }

.result-body {
  background: var(--bg);
  border: 1px solid var(--border-fade);
  border-radius: 4px;
  padding: 18px 20px;
  max-height: 60vh;
  overflow-y: auto;
  line-height: 1.6;
  font-size: 0.95rem;
}
.result-body :first-child { margin-top: 0; }
.result-body :last-child { margin-bottom: 0; }
.result-body h1, .result-body h2, .result-body h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.2; }
.result-body table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 0.88rem; }
.result-body th, .result-body td { border: 1px solid var(--border-fade); padding: 6px 10px; text-align: left; }
.result-body th { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.result-body code { font-family: var(--font-mono); background: var(--paper); padding: 1px 5px; border-radius: 3px; font-size: 0.88em; }
.result-body pre { background: var(--paper); border: 1px solid var(--border-fade); border-radius: 4px; padding: 12px 14px; overflow-x: auto; }
.result-body pre code { background: none; padding: 0; }
.result-body blockquote { margin: 8px 0; padding-left: 14px; border-left: 3px solid var(--accent-strong); color: var(--text-2); }

.result-raw {
  width: 100%;
  min-height: 200px;
  max-height: 60vh;
  background: var(--bg);
  border: 1px solid var(--border-fade);
  border-radius: 4px;
  padding: 16px 18px;
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.55;
  resize: vertical;
}
.result-raw:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }

@media (max-width: 520px) {
  .wrap { padding: 28px 16px 56px; }
  .drop-zone { min-height: 180px; }
}