/* cron-dialect — own lightweight brand. Light + dark via prefers-color-scheme,
   overridable by a data-theme attribute the toggle sets. No external fonts,
   no @import, no url() network references. */

:root {
  --bg: #eef1f7;
  --bg-grad: radial-gradient(1200px 500px at 100% -10%, #e4ecff 0%, rgba(228,236,255,0) 60%);
  --surface: #ffffff;
  --surface-2: #f4f7fb;
  --surface-3: #eef2f8;
  --border: #d9e0ea;
  --border-strong: #c3ccda;
  --text: #101828;
  --muted: #5a6a80;
  --accent: #3b56d6;
  --accent-ink: #ffffff;
  --accent-weak: #e7ecff;
  --code: #1b2333;
  --danger-bg: #fdecec;
  --danger-bd: #f0b4b1;
  --danger-tx: #94191a;
  --warn-bg: #fff6e6;
  --warn-bd: #f2cf87;
  --warn-tx: #7a5610;
  --warn-badge: #b5810f;
  --warn-strong-bg: #fdeede;
  --warn-strong-bd: #eaa76a;
  --warn-strong-tx: #8a3d0c;
  --ok: #1f8a54;
  --shadow: 0 1px 2px rgba(16,24,40,.05), 0 8px 24px rgba(16,24,40,.07);
}

:root[data-theme="dark"] {
  --bg: #070b16;
  --bg-grad: radial-gradient(1200px 500px at 100% -10%, #16244a 0%, rgba(22,36,74,0) 60%);
  --surface: #111a2d;
  --surface-2: #0d1524;
  --surface-3: #16223a;
  --border: #263248;
  --border-strong: #33425f;
  --text: #e8eef8;
  --muted: #97a6bd;
  --accent: #7c9bff;
  --accent-ink: #08122a;
  --accent-weak: #1b2a4a;
  --code: #d7e2f4;
  --danger-bg: #3a1618;
  --danger-bd: #6d2529;
  --danger-tx: #ffb4ac;
  --warn-bg: #2f2410;
  --warn-bd: #6b531d;
  --warn-tx: #f4d9a0;
  --warn-badge: #f0c46a;
  --warn-strong-bg: #3a2410;
  --warn-strong-bd: #8a541f;
  --warn-strong-tx: #f6c48d;
  --ok: #5cd6a0;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #070b16;
    --bg-grad: radial-gradient(1200px 500px at 100% -10%, #16244a 0%, rgba(22,36,74,0) 60%);
    --surface: #111a2d;
    --surface-2: #0d1524;
    --surface-3: #16223a;
    --border: #263248;
    --border-strong: #33425f;
    --text: #e8eef8;
    --muted: #97a6bd;
    --accent: #7c9bff;
    --accent-ink: #08122a;
    --accent-weak: #1b2a4a;
    --code: #d7e2f4;
    --danger-bg: #3a1618;
    --danger-bd: #6d2529;
    --danger-tx: #ffb4ac;
    --warn-bg: #2f2410;
    --warn-bd: #6b531d;
    --warn-tx: #f4d9a0;
    --warn-badge: #f0c46a;
    --warn-strong-bg: #3a2410;
    --warn-strong-bd: #8a541f;
    --warn-strong-tx: #f6c48d;
    --ok: #5cd6a0;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.4);
  }
}

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

body {
  background: var(--bg-grad), var(--bg);
  background-repeat: no-repeat;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  padding: 0 clamp(12px, 4vw, 40px) 40px;
}

.mono, code, .mono-input, .output-code, .run-iso, .run-wall {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip { position: absolute; left: -999px; }
.skip:focus {
  left: 8px; top: 8px; z-index: 30;
  background: var(--accent); color: var(--accent-ink);
  padding: 6px 10px; border-radius: 6px;
}

/* ---------------- header ---------------- */
.site-head {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 0 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 18px;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark { color: var(--accent); display: inline-flex; }
.site-head h1 {
  font-size: clamp(1.25rem, 2.8vw, 1.7rem);
  margin: 0;
  letter-spacing: -.015em;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
.trust {
  margin: 0;
  color: var(--muted);
  font-size: .84rem;
  flex: 1 1 260px;
}
.theme-toggle {
  font: inherit;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  box-shadow: var(--shadow);
}
.theme-toggle:hover { border-color: var(--accent); }
.theme-ico { color: var(--accent); font-size: 1rem; line-height: 1; }

main {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

/* ---------------- cards ---------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 18px 20px 20px;
}
.card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 14px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.card-head h2 {
  font-size: 1.02rem;
  margin: 0;
  letter-spacing: -.01em;
}
.hint { font-size: .78rem; color: var(--muted); }

/* ---------------- fields ---------------- */
.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }
.field-label {
  display: block;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: 7px;
  font-weight: 700;
}
.field-legend {
  margin: 8px 0 0;
  font-size: .8rem;
  color: var(--muted);
}
.field-legend em { color: var(--text); font-style: normal; font-weight: 600; }

/* segmented dialect picker */
.segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px;
}
.seg {
  font: inherit;
  font-weight: 600;
  font-size: .9rem;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 8px 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  transition: background .12s, color .12s;
}
.seg .seg-sub { font-size: .72rem; font-weight: 500; opacity: .8; }
.seg:hover { color: var(--text); }
.seg.is-on {
  background: var(--surface);
  color: var(--accent);
  border-color: var(--border-strong);
  box-shadow: 0 1px 2px rgba(16,24,40,.06);
}

/* text input rows */
.input-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}
.mono-input {
  flex: 1 1 auto;
  min-width: 0;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 1.02rem;
  padding: 12px 14px;
  border-radius: 11px;
  outline: none;
  transition: border-color .12s, box-shadow .12s;
}
.mono-input::placeholder { color: var(--muted); opacity: .75; }
.mono-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-weak);
}

/* example chips */
.examples { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip {
  font: inherit;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  transition: border-color .12s, background .12s;
}
.chip:hover { border-color: var(--accent); background: var(--accent-weak); }
.chip code { font-size: .82rem; color: var(--accent); }
.chip-note { font-size: .74rem; color: var(--muted); }

/* ---------------- buttons ---------------- */
.btn {
  font: inherit;
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 10px 16px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .12s, border-color .12s, transform .04s, filter .12s;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn-accent {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.btn-accent:hover { filter: brightness(1.06); border-color: var(--accent); }
.btn-ghost { padding: 10px 13px; }
.copy-btn { flex: 0 0 auto; }

/* ---------------- results grid (read) ---------------- */
.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 16px;
}
@media (min-width: 760px) {
  .results-grid { grid-template-columns: 1fr 1fr; align-items: start; }
}
.panel {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 14px 16px 16px;
  min-width: 0;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.panel-head h3 { font-size: .82rem; margin: 0; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }

.explain-out {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.55;
  color: var(--text);
}
.explain-out.empty { color: var(--muted); font-style: italic; font-size: .95rem; }

.tz-select {
  font: inherit;
  font-size: .8rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 5px 8px;
  max-width: 190px;
}

.runs-out {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  counter-reset: run;
}
.run-iso { word-break: break-all; }
.run {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 9px 12px 9px 34px;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
}
.run::before {
  counter-increment: run;
  content: counter(run);
  position: absolute;
  left: 10px; top: 50%;
  transform: translateY(-50%);
  font-size: .72rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.run-wall { font-size: .92rem; font-weight: 600; letter-spacing: -.01em; }
.run-iso { font-size: .72rem; color: var(--muted); }
.runs-empty { list-style: none; color: var(--muted); font-style: italic; font-size: .9rem; }
.panel-foot { margin: 12px 0 0; font-size: .74rem; color: var(--muted); line-height: 1.5; }

/* ---------------- callouts ---------------- */
.callout {
  border-radius: 11px;
  padding: 11px 14px;
  font-size: .9rem;
  line-height: 1.5;
}
.callout-error {
  background: var(--danger-bg);
  border: 1px solid var(--danger-bd);
  color: var(--danger-tx);
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: .86rem;
  margin: 14px 0 0;
}
.callout-warn {
  background: var(--warn-bg);
  border: 1px solid var(--warn-bd);
  color: var(--warn-tx);
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.callout-warn-strong {
  background: var(--warn-strong-bg);
  border: 1px solid var(--warn-strong-bd);
  border-left-width: 4px;
  color: var(--warn-strong-tx);
}

/* ---------------- translate + english output ---------------- */
.xlate-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
}
.xlate-target-field { margin-bottom: 0; flex: 1 1 260px; }
.select {
  font: inherit;
  font-size: .95rem;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 11px 12px;
  width: 100%;
  cursor: pointer;
}
.select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-weak); }

.xlate-result { margin-top: 16px; }
.output-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.output-lbl {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  font-weight: 700;
  flex: 0 0 auto;
}
.output-code {
  flex: 1 1 200px;
  min-width: 0;
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 1.02rem;
  color: var(--code);
  word-break: break-word;
  overflow-wrap: anywhere;
}
.output-reading {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: .92rem;
}

.warnings { margin-top: 14px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.warn-head {
  margin: 0;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
}
.warn-none { margin: 0; font-size: .9rem; color: var(--ok); font-weight: 600; }
.warn-badge {
  align-self: flex-start;
  font-size: .68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--warn-badge);
}
.callout-warn-strong .warn-badge { color: var(--warn-strong-tx); }
.warn-msg { font-size: .9rem; }

/* accepted-forms disclosure */
.forms { margin-top: 16px; }
.forms summary {
  cursor: pointer;
  font-size: .84rem;
  font-weight: 600;
  color: var(--accent);
  padding: 4px 0;
}
.forms ul {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.forms li code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 4px 9px;
  font-size: .8rem;
  color: var(--text);
}

/* ---------------- footer ---------------- */
.site-foot {
  max-width: 1080px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.6;
}
.site-foot code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0 5px;
  color: var(--text);
}
.toast {
  display: inline-block;
  margin-left: 6px;
  color: var(--accent);
  font-weight: 700;
  opacity: 0;
  transition: opacity .2s;
}
.toast.show { opacity: 1; }