/* Sentido Health brand: navy #06172D, cyan #63CAE5, light cyan #CBEDF6, teal #229189, Poppins. */
:root {
  --navy: #06172d;
  --cyan: #63cae5;
  --cyan-light: #cbedf6;
  --teal: #229189;

  --bg: #f4f8fa;
  --surface: #ffffff;
  --text: #06172d;
  --muted: #53627a;
  --border: #d9e4ea;
  --accent: #1d7f78;          /* links, highlights: teal, readable on white */
  --accent-soft: #e6f6fa;     /* light cyan tint */
  --btn-bg: var(--cyan);
  --btn-ink: var(--navy);
  --btn-secondary-ink: var(--navy);
  --header-bg: var(--navy);
  --header-ink: #ffffff;
  --header-muted: #a9c3d6;
  --ok: #1d7a46;
  --ok-soft: #e4f4ea;
  --warn: #9a5b00;
  --warn-soft: #fdf1dc;
  --bad: #b3261e;
  --bad-soft: #fbe7e6;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(6, 23, 45, .06), 0 2px 10px rgba(6, 23, 45, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #06172d; --surface: #0e2540; --text: #eaf4f8; --muted: #a9c3d6; --border: #1f3a58;
    --accent: #63cae5; --accent-soft: #123452;
    --btn-secondary-ink: #63cae5;
    --header-bg: #040f1f;
    --ok: #5cc98a; --ok-soft: #173024; --warn: #e8ad4f; --warn-soft: #33270f; --bad: #f0857d; --bad-soft: #3a1c1a;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.65 "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.25; font-weight: 600; letter-spacing: -.01em; }
h1 { font-size: 1.75rem; margin: 0 0 .5rem; }
h2 { font-size: 1.3rem; margin: 1.75rem 0 .75rem; }
h3 { font-size: 1.08rem; margin: 1.5rem 0 .5rem; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: .8rem 1.25rem; background: var(--header-bg); color: var(--header-ink);
  border-bottom: 3px solid var(--cyan);
}
.brand { display: flex; align-items: center; gap: .75rem; color: var(--header-ink); text-decoration: none; }
.brand-logo { height: 30px; width: auto; display: block; }
.brand-fallback { font-weight: 600; font-size: 1.1rem; }
.brand-sub {
  padding-left: .75rem; border-left: 1px solid rgba(255, 255, 255, .3);
  font-size: .9rem; color: var(--cyan); font-weight: 500; letter-spacing: .02em;
}
#nav { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; font-size: .92rem; }
#nav a { text-decoration: none; color: var(--header-muted); }
#nav a.active, #nav a:hover { color: var(--header-ink); }
#nav a.active { box-shadow: inset 0 -2px 0 var(--cyan); }
#nav .btn.link { color: var(--cyan); }

main { max-width: 1040px; margin: 0 auto; padding: 1.75rem 16px 4rem; outline: none; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem 1.4rem; box-shadow: var(--shadow);
}
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
.stack > * + * { margin-top: 1rem; }
.row { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .6rem 1.15rem; border-radius: 5px; border: 1px solid var(--btn-bg);
  background: var(--btn-bg); color: var(--btn-ink); font: inherit; font-weight: 600;
  cursor: pointer; text-decoration: none;
}
.btn:hover:not(:disabled) { filter: brightness(1.05); }
.btn.secondary { background: transparent; color: var(--btn-secondary-ink); border-color: var(--cyan); }
.btn.link { border: none; background: none; color: var(--accent); padding: 0; font-weight: 500; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

input[type=text], input[type=email], input[type=password], input:not([type]) {
  width: 100%; padding: .6rem .75rem; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text); font: inherit;
}
input:focus-visible, .btn:focus-visible, a:focus-visible, .option:focus-within { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 2px; }
label.field { display: block; font-weight: 600; margin-bottom: .9rem; }
label.field > span { display: block; margin-bottom: .3rem; font-size: .95rem; }
.code-input { font-size: 1.6rem !important; letter-spacing: .5rem; text-align: center; font-variant-numeric: tabular-nums; }

.error { color: var(--bad); background: var(--bad-soft); padding: .6rem .8rem; border-radius: 8px; margin: .5rem 0; }
.notice { background: var(--accent-soft); padding: .7rem .9rem; border-radius: 8px; }
.draft-banner {
  background: var(--warn-soft); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent);
  padding: .6rem .9rem; border-radius: 8px; font-size: .9rem; margin-bottom: 1rem;
}

.pill { display: inline-block; padding: .15rem .6rem; border-radius: 999px; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.pill.complete { background: var(--ok-soft); color: var(--ok); }
.pill.expiring, .pill.in_progress { background: var(--warn-soft); color: var(--warn); }
.pill.overdue { background: var(--bad-soft); color: var(--bad); }
.pill.not_started, .pill.planned { background: var(--bg); color: var(--muted); border: 1px solid var(--border); }

.role-badge { display: inline-block; padding: .12rem .55rem; border-radius: 999px; font-size: .78rem; font-weight: 600; white-space: nowrap; }
.role-badge.main_admin { background: var(--navy); color: var(--cyan); }
.role-badge.hr_admin { background: var(--accent-soft); color: var(--accent); }
.role-badge.employee { color: var(--muted); }
.role-select {
  font: inherit; font-size: .85rem; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 6px; padding: .25rem .4rem;
}

.course-card { display: flex; flex-direction: column; gap: .5rem; }
.course-card .code { font-size: .8rem; font-weight: 700; color: var(--muted); letter-spacing: .04em; }
.course-card h3 { margin: 0; }
.course-card.planned { opacity: .7; box-shadow: none; }
.progress { height: 6px; background: var(--border); border-radius: 99px; overflow: hidden; }
.progress > div { height: 100%; background: var(--cyan); }

.stats { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin: 1rem 0 1.5rem; }
.stat .num { font-size: 1.8rem; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: .9rem; }

.course-layout { display: grid; grid-template-columns: 250px 1fr; gap: 1.5rem; align-items: start; }
.lesson-nav { position: sticky; top: 1rem; padding: .75rem; }
.lesson-nav ol { list-style: none; margin: 0; padding: 0; }
.lesson-nav a {
  display: flex; gap: .55rem; align-items: flex-start; padding: .45rem .5rem; border-radius: 6px;
  color: var(--text); text-decoration: none; font-size: .93rem;
}
.lesson-nav a.current { background: var(--accent-soft); font-weight: 600; }
.lesson-nav a.locked { color: var(--muted); pointer-events: none; }
.lesson-nav .tick { width: 1.1rem; flex: none; color: var(--ok); font-weight: 700; }
@media (max-width: 760px) {
  .course-layout { grid-template-columns: 1fr; }
  .lesson-nav { position: static; }
}

.tts-bar {
  display: flex; align-items: center; gap: .75rem 1rem; flex-wrap: wrap;
  padding: .6rem .75rem; margin: .75rem 0 1.25rem; border: 1px solid var(--border); border-radius: 8px; background: var(--bg);
}
.tts-bar .btn { padding: .4rem .9rem; min-width: 7.5rem; }
.tts-opt { display: flex; align-items: center; gap: .4rem; font-size: .88rem; color: var(--muted); }
.tts-opt select {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; padding: .25rem .4rem; max-width: 14rem;
}
.reading { background: color-mix(in srgb, var(--accent) 14%, transparent); border-radius: 4px; box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 14%, transparent); transition: background .2s; }

.lesson-body ul, .lesson-body ol { padding-left: 1.3rem; }
.lesson-body li { margin: .25rem 0; }
.lesson-body ol.cols { columns: 2; column-gap: 2rem; }
@media (max-width: 600px) { .lesson-body ol.cols { columns: 1; } }
kbd { border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 4px; padding: 0 .3rem; font-size: .85em; background: var(--bg); }
.callout { border-left: 4px solid var(--accent); background: var(--accent-soft); padding: .8rem 1rem; border-radius: 0 8px 8px 0; margin: 1.25rem 0; }
.callout.field { border-color: var(--ok); background: var(--ok-soft); }
.callout.warn { border-color: var(--warn); background: var(--warn-soft); }
.callout-title { font-weight: 700; margin-bottom: .25rem; }
.callout p { margin: .3rem 0; }

.question { margin: 1.25rem 0; }
.question .qtext { font-weight: 600; margin-bottom: .5rem; }
.option {
  display: flex; gap: .65rem; align-items: flex-start; padding: .6rem .8rem; margin: .4rem 0;
  border: 1px solid var(--border); border-radius: 8px; cursor: pointer; background: var(--surface);
}
.option input { margin-top: .3rem; accent-color: var(--accent); }
.option.correct { border-color: var(--ok); background: var(--ok-soft); }
.option.wrong { border-color: var(--bad); background: var(--bad-soft); }
.feedback { padding: .6rem .8rem; border-radius: 8px; font-size: .95rem; }
.feedback.ok { background: var(--ok-soft); }
.feedback.no { background: var(--bad-soft); }

table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; }
.table-wrap { overflow-x: auto; }

/* Certificate */
.certificate {
  max-width: 900px; margin: 0 auto; aspect-ratio: 11 / 8.5; background: #fff; color: #06172d;
  border: 12px solid #06172d; outline: 2px solid #63cae5; outline-offset: -24px;
  padding: 3.5rem 4rem; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  -webkit-print-color-adjust: exact; print-color-adjust: exact;
}
.certificate .muted { color: #53627a; }
.certificate .cert-brand { display: flex; align-items: center; gap: .5rem; font-weight: 600; font-size: 1rem; color: #06172d; letter-spacing: .02em; }
.certificate .cert-brand svg { width: 30px; height: 30px; }
.certificate .eyebrow { letter-spacing: .25em; text-transform: uppercase; font-size: .78rem; color: #1d7f78; margin-top: .35rem; }
.certificate .title { font-size: 2.3rem; font-weight: 600; margin: .5rem 0 1.1rem; color: #06172d; }
.certificate .name { font-size: 2rem; font-weight: 500; border-bottom: 3px solid #63cae5; padding: 0 2rem .3rem; margin: .5rem 0 1rem; }
.certificate .course { font-size: 1.25rem; font-weight: 600; }
.certificate .meta { display: flex; gap: 2.5rem; justify-content: center; flex-wrap: wrap; margin-top: 1.8rem; font-size: .92rem; }
.certificate .meta div span { display: block; color: #53627a; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.certificate .fine { margin-top: 1.6rem; font-size: .7rem; color: #53627a; max-width: 640px; }
@media (max-width: 700px) {
  .certificate { aspect-ratio: auto; padding: 2rem 1.25rem; border-width: 6px; outline-offset: -14px; }
  .certificate .title { font-size: 1.7rem; } .certificate .name { font-size: 1.5rem; }
}
@media print {
  @page { size: letter landscape; margin: 0.4in; }
  body { background: #fff; }
  .topbar, .no-print { display: none !important; }
  main { padding: 0; max-width: none; }
  .certificate { border-width: 12px; max-width: none; width: 100%; height: 7.6in; aspect-ratio: auto; }
}