/* DBA Quest — quiet training-console theme, mobile-first. */
:root {
  --bg: #f6f7f5;
  --panel: #ffffff;
  --ink: #1d2430;
  --muted: #5a6472;
  --line: #d9dee4;
  --accent: #1d6f42;
  --accent-ink: #ffffff;
  --warn: #8a5a00;
  --code-bg: #eef1f4;
  --focus: #2563eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
  font-size: 1.0625rem;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: 0.6rem 1rem;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.brand::before { content: ">_ "; color: var(--accent); }

.mainnav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.9rem;
  margin-left: auto;
}

.mainnav a {
  color: var(--ink);
  text-decoration: none;
  padding: 0.4rem 0.2rem;
  border-bottom: 2px solid transparent;
}
.mainnav a:hover { border-bottom-color: var(--accent); }

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1rem;
}

h1 { font-size: 1.6rem; margin: 0.6rem 0; }
h2 { font-size: 1.2rem; margin: 0.4rem 0 0.6rem; }
h3 { font-size: 1.05rem; margin: 0.3rem 0; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 1rem;
  margin: 0.9rem 0;
}

.hero { border-left: 4px solid var(--accent); }

.eyebrow, .meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.eyebrow {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 0.2rem;
}

.comeback {
  background: #e8f3ec;
  border: 1px solid #bcd9c6;
  border-radius: 0.5rem;
  padding: 0.6rem 0.9rem;
}

.notice {
  background: #fdf6e4;
  border: 1px solid #eadfae;
  border-radius: 0.5rem;
  padding: 0.6rem 0.9rem;
}

.warning { color: var(--warn); }
.errorlist { color: #a32525; }

button, .button {
  display: inline-block;
  min-height: 44px;
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

button.primary, .button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

button:hover, .button:hover { filter: brightness(0.96); }

button.linkish {
  border: 0;
  background: none;
  color: var(--accent);
  min-height: 44px;
  padding: 0.4rem 0.2rem;
  text-decoration: underline;
}

a { color: var(--accent); }

a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

form.inline { display: inline; }

label { display: block; margin: 0.7rem 0 0.2rem; font-weight: 600; }
label input, label textarea { font-weight: 400; }

input[type="text"], input[type="password"], input[type="number"],
textarea, select {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  font: inherit;
  background: #fff;
  color: var(--ink);
}

fieldset {
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  margin: 0.8rem 0;
}

fieldset.rating { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
fieldset.rating legend { font-size: 0.9rem; color: var(--muted); }
fieldset.rating label { display: inline-flex; align-items: center; gap: 0.3rem; font-weight: 400; margin: 0; }

.reader { overflow-wrap: break-word; }
.reader img { max-width: 100%; }
.reader pre {
  background: #20242c;
  color: #e6e9ee;
  padding: 0.8rem;
  border-radius: 0.4rem;
  overflow-x: auto;
  font-size: 0.9rem;
}
.reader code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
}
.reader :not(pre) > code { background: var(--code-bg); padding: 0.1em 0.3em; border-radius: 0.25em; }
.reader .callout {
  border-left: 4px solid var(--line);
  background: var(--code-bg);
  padding: 0.5rem 0.9rem;
  margin: 0.8rem 0;
  border-radius: 0.3rem;
}
.reader .callout-warning, .reader .callout-caution, .reader .callout-danger { border-left-color: var(--warn); }
.reader .callout-note, .reader .callout-info, .reader .callout-tip { border-left-color: var(--accent); }
.reader .unresolved { color: var(--muted); border-bottom: 1px dashed var(--muted); }
.reader .embed-placeholder, .reader .not-imported { color: var(--muted); font-style: italic; }
.reader blockquote { border-left: 3px solid var(--line); margin-left: 0; padding-left: 1rem; color: var(--muted); }
.reader table { border-collapse: collapse; width: 100%; }
.reader th, .reader td { border: 1px solid var(--line); padding: 0.35rem 0.6rem; }

.recall-card .recall-q { font-weight: 600; }
.checklist li { margin: 0.25rem 0; }
.source-ref { color: var(--muted); font-size: 0.88rem; font-family: ui-monospace, Menlo, Consolas, monospace; }

.check-row { display: flex; align-items: center; gap: 0.6rem; margin: 0.4rem 0; }
.check-row input[type="checkbox"] { width: 1.3rem; height: 1.3rem; flex: none; }

.row { display: flex; align-items: center; gap: 0.8rem; }

.momentum {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: var(--muted);
  border-top: 1px dashed var(--line);
  padding-top: 0.8rem;
}

.lessons { padding-left: 1.4rem; }
.lessons li { margin: 0.4rem 0; }
.lessons .status { color: var(--muted); font-size: 0.88rem; margin-left: 0.4rem; }
.lessons li.completed > a { color: var(--muted); }
.lessons li.in-progress > a { font-weight: 700; }

.next-action { font-weight: 600; }
.quiet-actions { margin: 1rem 0 0.2rem; }
.peek { margin-left: 0.6rem; }
.alt h3 { margin-top: 0.2rem; }

pre.notes {
  background: var(--code-bg);
  padding: 0.8rem;
  border-radius: 0.4rem;
  white-space: pre-wrap;
}

details.coach summary { cursor: pointer; min-height: 44px; padding: 0.5rem 0; font-weight: 600; }
#coach-prompt { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.85rem; }

.messages {
  list-style: none;
  margin: 0;
  padding: 0.4rem 1rem;
}
.messages li {
  background: #e8f3ec;
  border: 1px solid #bcd9c6;
  border-radius: 0.4rem;
  padding: 0.45rem 0.9rem;
  margin: 0.4rem 0;
}
.messages li.error { background: #fbeaea; border-color: #e5b8b8; }

#draft-status.saved { color: var(--accent); }
#draft-status.unsaved { color: var(--warn); }

@media (min-width: 40rem) {
  main { padding: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}