/* ============================================================
   CHARTGURU — "the record on trial"
   Palette: chart-paper, flowsheet-grid blue, chart-ink navy,
   exhibit-stamp red, deposition-highlighter, defensible green.
   Type: Bitter (display slab) / Public Sans (body) / IBM Plex Mono
   (timestamps, chart labels, transcripts).
   ============================================================ */

:root {
  --paper:      #F7F8F6;
  --paper-deep: #EDF3F6;
  --grid:       #C9D8E4;
  --grid-soft:  #E3EBF0;
  --ink:        #16222E;
  --ink-soft:   #46586A;
  --stamp:      #A61B21;
  --stamp-soft: #F6E3E3;
  --highlight:  #FFE58A;
  --safe:       #175E54;
  --safe-soft:  #E1EEEA;
  --night:      #101B26;

  --display: "Bitter", Georgia, "Times New Roman", serif;
  --body:    "Public Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;

  --wrap: 1120px;
}

/* ---------- base ---------- */

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.02rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--display); color: var(--ink); }
h1 { font-weight: 800; font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.08; letter-spacing: -0.015em; margin: 0.3em 0 0.4em; }
h2 { font-weight: 800; font-size: clamp(1.6rem, 3vw, 2.3rem); line-height: 1.15; letter-spacing: -0.01em; margin: 0.2em 0 0.5em; }
h3 { font-weight: 700; font-size: 1.15rem; margin: 0 0 0.4em; }

a { color: var(--stamp); text-underline-offset: 2px; }
a:hover { color: #7E1216; }

.mono { font-family: var(--mono); }

:focus-visible { outline: 3px solid var(--stamp); outline-offset: 2px; border-radius: 2px; }

::selection { background: var(--highlight); color: var(--ink); }

/* Chart-field eyebrow: mono, letterspaced, ruled underneath like a form label */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--grid);
  display: inline-block;
  padding-bottom: 6px;
  margin-bottom: 14px;
}
.eyebrow.inverse { color: #9FB4C6; border-bottom-color: #33465A; }

.lede { font-size: 1.14rem; color: var(--ink-soft); max-width: 620px; }
.section-lede { color: var(--ink-soft); max-width: 640px; margin-bottom: 1.6rem; }

/* ---------- buttons ---------- */

.btn-cg, .btn-cg-light, .btn-cg-ghost {
  display: inline-block;
  font-family: var(--body);
  font-weight: 700;
  font-size: 0.98rem;
  padding: 12px 24px;
  border-radius: 4px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.12s ease;
}
.btn-cg { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-cg:hover { background: #22384E; color: #fff; transform: translateY(-1px); }
.btn-cg.btn-wait { background: transparent; color: var(--ink); }
.btn-cg-light { background: #fff; color: var(--ink); border-color: #fff; }
.btn-cg-light:hover { background: var(--paper-deep); color: var(--ink); }
.btn-cg-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-cg-ghost:hover { background: var(--ink); color: #fff; }
.btn-cg-ghost.inverse { color: #fff; border-color: #fff; }
.btn-cg-ghost.inverse:hover { background: #fff; color: var(--ink); }

.btn-plain {
  background: none; border: 1px solid var(--grid); border-radius: 4px;
  font-family: var(--body); font-size: 0.85rem; font-weight: 600;
  color: var(--ink-soft); padding: 5px 12px; cursor: pointer;
}
.btn-plain:hover { border-color: var(--ink-soft); color: var(--ink); }
.btn-plain.ok { color: var(--safe); border-color: #B8D4CC; }
.btn-plain.ok:hover { border-color: var(--safe); }
.btn-plain.danger { color: var(--stamp); border-color: #E4C2C3; }
.btn-plain.danger:hover { border-color: var(--stamp); }

/* ---------- nav ---------- */

.nav-cg {
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
  position: sticky; top: 0; z-index: 50;
}
.nav-cg .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 62px; gap: 16px; }
.wordmark {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--display); font-weight: 800; font-size: 1.3rem;
  color: var(--ink); text-decoration: none; letter-spacing: -0.01em;
}
.wordmark span { color: var(--stamp); }
.wordmark svg { width: 26px; height: 31px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a {
  color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.94rem;
}
.nav-links a:hover { color: var(--stamp); }
.nav-links .btn-cg { padding: 8px 16px; font-size: 0.88rem; color: #fff; }
.nav-links .btn-cg:hover { color: #fff; }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2.5px; background: var(--ink); margin: 4.5px 0; border-radius: 2px; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 2px solid var(--ink);
    flex-direction: column; align-items: flex-start;
    padding: 14px 24px 20px; gap: 14px;
  }
  .nav-links.open { display: flex; }
}

/* ---------- flash ---------- */

.flash-stack { position: sticky; top: 62px; z-index: 40; }
.flash { padding: 12px 18px; border-radius: 4px; margin: 10px 0; font-weight: 600; border: 1.5px solid; }
.flash-success { background: var(--safe-soft); color: var(--safe); border-color: var(--safe); }
.flash-danger  { background: var(--stamp-soft); color: var(--stamp); border-color: var(--stamp); }

/* ---------- hero ---------- */

.hero { padding: 64px 0 80px; }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 56px; align-items: start;
}
.hero-copy h1 { margin-top: 0.5em; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin: 1.6rem 0 1.2rem; }
.hero-ctas.center { justify-content: center; }
.hero-meta { font-size: 0.78rem; letter-spacing: 0.08em; color: var(--ink-soft); }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ---------- the exhibit (signature element) ---------- */

.exhibit-bar { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.exhibit-toggle { display: flex; gap: 0; border: 2px solid var(--ink); border-radius: 5px; overflow: hidden; width: fit-content; max-width: 100%; box-shadow: 0 2px 0 var(--grid); }
.exhibit-toggle button {
  font-family: var(--mono); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  background: #fff; color: var(--ink-soft);
  border: 0; padding: 9px 14px; cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}
.exhibit-toggle button + button { border-left: 2px solid var(--ink); }
.exhibit-toggle button:not(.on):hover { background: var(--highlight); color: var(--ink); }
.exhibit-toggle button:not(.on):active { background: var(--highlight); }
.exhibit-toggle button.on { background: var(--ink); color: #fff; }

/* For a few seconds after load, the waiting tab pulses its background so
   the pair reads as clickable. Ends on its own (4 beats) or at first click
   (.touched); the global prefers-reduced-motion rule disables it. */
@keyframes tab-wait-pulse {
  0%, 100% { background: #fff; color: var(--ink-soft); }
  50%      { background: var(--highlight); color: var(--ink); }
}
.exhibit-toggle:not(.touched) button:not(.on) {
  animation: tab-wait-pulse 1.3s ease-in-out 1s 4;
}

.exhibit-hint {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.66rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-soft); white-space: nowrap;
}
/* Hand-annotation arrow sweeping back up at the toggle. Reading order in the
   bar is [toggle] [text] [arrow→toggle], so it points left. */
.hint-arrow { width: 30px; height: 22px; color: var(--ink); margin-top: -8px; }

.note-card {
  position: relative;
  background:
    repeating-linear-gradient(to bottom, transparent 0, transparent 27px, var(--grid-soft) 27px, var(--grid-soft) 28px),
    #FFFFFF;
  border: 2px solid var(--ink);
  border-radius: 3px;
  box-shadow: 6px 6px 0 var(--grid);
  padding: 20px 22px 16px;
}
.note-head {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--ink);
  padding-bottom: 8px; margin-bottom: 10px;
}
.note-body { font-size: 0.93rem; line-height: 28px; }
.note-line { display: flex; gap: 12px; }
.note-line .t { flex: 0 0 auto; font-weight: 600; font-size: 0.82rem; color: var(--ink-soft); padding-top: 1px; }
.note-sig {
  margin-top: 10px; padding-top: 6px;
  text-align: right; font-size: 0.8rem; color: var(--ink-soft);
  border-top: 1px solid var(--grid-soft);
}

/* attorney-flagged phrases */
mark.flag {
  background: linear-gradient(transparent 62%, var(--highlight) 62%);
  color: inherit; padding: 0 1px;
  text-decoration: underline wavy var(--stamp) 1.5px;
  text-underline-offset: 3px;
}

.exhibit-stamp {
  position: absolute; top: -18px; right: -12px;
  transform: rotate(6deg);
  font-family: var(--mono); font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.14em; text-align: center; line-height: 1.5;
  color: var(--stamp);
  border: 2.5px solid var(--stamp); border-radius: 3px;
  background: #fff;
  padding: 7px 12px;
  box-shadow: 0 2px 0 rgba(22,34,46,0.15);
}
.exhibit-stamp strong { font-size: 1.05rem; display: block; }

.stamp-good {
  position: absolute; top: -14px; right: -10px;
  transform: rotate(-4deg);
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.2em;
  color: var(--safe); border: 2.5px solid var(--safe); border-radius: 3px;
  background: #fff; padding: 7px 14px;
}

.note-margin {
  list-style: none; margin: 16px 0 0; padding: 12px 0 0;
  border-top: 2px dashed var(--stamp);
  font-family: var(--mono); font-size: 0.74rem; line-height: 1.7;
  color: var(--stamp);
}
.note-margin li::before { content: "✗  "; font-weight: 600; }
.note-margin.good { border-top-color: var(--safe); color: var(--safe); }
.note-margin.good li::before { content: "✓  "; }

.exhibit-caption {
  margin-top: 16px; font-size: 0.9rem; color: var(--ink-soft);
  font-style: italic; text-align: center;
}

/* ---------- risk band (dark) ---------- */

.risk-band { background: var(--night); color: #D7E1EA; padding: 72px 0; }
.risk-band h2 { color: #fff; max-width: 700px; }
.risk-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; margin: 2.2rem 0 2.4rem; }
.risk-col h3 { color: var(--highlight); font-size: 1.06rem; }
.risk-col p { font-size: 0.95rem; color: #B9C7D4; margin: 0; }
.risk-col em { color: #fff; font-style: italic; }

@media (max-width: 860px) { .risk-cols { grid-template-columns: 1fr; gap: 24px; } }

/* ---------- curriculum ---------- */

.curriculum { padding: 76px 0; }
.modules {
  list-style: none; counter-reset: mod; margin: 0; padding: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-top: 2px solid var(--ink);
}
.modules li {
  counter-increment: mod;
  position: relative;
  padding: 26px 26px 26px 78px;
  border-bottom: 1px solid var(--grid);
}
.modules li:nth-child(odd) { border-right: 1px solid var(--grid); }
.modules li::before {
  content: "0" counter(mod);
  position: absolute; left: 22px; top: 26px;
  font-family: var(--mono); font-size: 1.05rem; font-weight: 600;
  color: var(--stamp);
}
.modules li p { margin: 0; font-size: 0.94rem; color: var(--ink-soft); }
.ce-note { font-size: 0.75rem; color: var(--ink-soft); margin-top: 1.4rem; }

@media (max-width: 860px) {
  .modules { grid-template-columns: 1fr; }
  .modules li:nth-child(odd) { border-right: 0; }
}

/* ---------- classes teaser + session cards ---------- */

.classes-teaser { background: var(--paper-deep); padding: 76px 0; }
.session-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 0 0 1.8rem; }
.session-card {
  background: #fff; border: 1.5px solid var(--grid); border-left: 5px solid var(--ink);
  border-radius: 6px; padding: 18px 20px;
}
.sc-code { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em; color: var(--ink-soft); }
.sc-when { font-family: var(--display); font-weight: 700; font-size: 1.2rem; margin: 6px 0 2px; }
.sc-where { font-size: 0.88rem; color: var(--ink-soft); min-height: 2.6em; }
.sc-foot { display: flex; justify-content: space-between; align-items: baseline; margin-top: 10px; }
.sc-price { font-family: var(--display); font-weight: 800; font-size: 1.25rem; }
.sc-seats { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.05em; color: var(--safe); }
.sc-seats.low { color: var(--stamp); font-weight: 600; }
.teaser-alt { margin-left: 18px; font-size: 0.92rem; color: var(--ink-soft); }

@media (max-width: 860px) {
  .session-cards { grid-template-columns: 1fr; }
  .teaser-alt { display: block; margin: 14px 0 0; }
}

/* ---------- course teaser ---------- */

.course-teaser { padding: 76px 0; }
.course-teaser-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.course-price-row { display: flex; align-items: baseline; gap: 12px; margin: 0 0 1.4rem; }
.course-price { font-family: var(--display); font-weight: 800; font-size: 2.2rem; }
.course-price-row .mono, .buy-price-row .mono { font-size: 0.72rem; letter-spacing: 0.08em; color: var(--ink-soft); text-transform: uppercase; }
.course-points ul {
  list-style: none; margin: 0; padding: 22px 26px;
  background: #fff; border: 1.5px solid var(--grid); border-radius: 6px;
  box-shadow: 6px 6px 0 var(--grid-soft);
}
.course-points li { padding: 8px 0 8px 30px; position: relative; }
.course-points li + li { border-top: 1px solid var(--grid-soft); }
.course-points li::before {
  content: "✓"; position: absolute; left: 4px;
  color: var(--safe); font-weight: 700;
}

@media (max-width: 860px) { .course-teaser-grid { grid-template-columns: 1fr; gap: 30px; } }

/* ---------- instructor ---------- */

.instructor { background: var(--paper-deep); padding: 70px 0; }
.instructor-grid { display: grid; grid-template-columns: 150px 1fr; gap: 40px; align-items: center; }
.instructor-mark svg { width: 130px; height: 130px; }

@media (max-width: 700px) { .instructor-grid { grid-template-columns: 1fr; gap: 18px; } .instructor-mark svg { width: 90px; height: 90px; } }

/* ---------- page heads (inner pages) ---------- */

.page-head { padding: 58px 0 44px; }
.page-head.confirm { padding-bottom: 20px; }
.page-plain { padding: 70px 0 90px; }

/* ---------- the-risk page ---------- */

.risk-hero { background: var(--night); color: #D7E1EA; padding: 64px 0 70px; }
.risk-hero h1 { color: #fff; }
.risk-hero .lede { color: #B9C7D4; }

.venues { padding: 72px 0; }
.venue-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.venue {
  background: #fff; border: 1.5px solid var(--grid); border-top: 5px solid var(--stamp);
  border-radius: 6px; padding: 24px 24px 18px;
}
.venue .v-label { font-size: 0.66rem; font-weight: 600; letter-spacing: 0.16em; color: var(--stamp); margin-bottom: 10px; }
.venue p { font-size: 0.93rem; color: var(--ink-soft); margin: 0; }
.venue em { color: var(--ink); }

@media (max-width: 900px) { .venue-grid { grid-template-columns: 1fr; } }

.deposition { background: var(--paper-deep); padding: 76px 0; }
.depo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }

.transcript {
  background: #fff; border: 2px solid var(--ink); border-radius: 3px;
  box-shadow: 6px 6px 0 var(--grid);
  padding: 22px 26px; font-size: 0.84rem; line-height: 1.8;
}
.transcript .tr-head {
  font-size: 0.64rem; letter-spacing: 0.14em; color: var(--ink-soft);
  border-bottom: 2px solid var(--ink); padding-bottom: 8px; margin-bottom: 14px;
}
.transcript p { margin: 0 0 8px; }
.transcript .q { color: var(--stamp); font-weight: 600; }
.transcript .a { color: var(--ink-soft); font-weight: 600; }
.transcript mark { background: var(--highlight); padding: 0 2px; }

@media (max-width: 900px) { .depo-grid { grid-template-columns: 1fr; gap: 32px; } }

.failures { padding: 76px 0; }
.fail-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 0; border-top: 2px solid var(--ink); border-left: 1px solid var(--grid); }
.fail { padding: 22px 22px 18px; border-right: 1px solid var(--grid); border-bottom: 1px solid var(--grid); }
.fail h3 { font-size: 1.02rem; }
.fail h3::before { content: "✗ "; color: var(--stamp); }
.fail p { font-size: 0.9rem; color: var(--ink-soft); margin: 0; }

.risk-cta { background: var(--night); color: #D7E1EA; padding: 70px 0; text-align: center; }
.risk-cta h2 { color: #fff; }
.risk-cta .section-lede { margin-left: auto; margin-right: auto; color: #B9C7D4; }

/* ---------- classes page ---------- */

.sessions-list { padding: 10px 0 40px; }
.session-rows { display: flex; flex-direction: column; gap: 16px; }
.session-row {
  display: grid; grid-template-columns: 130px 1fr 200px; gap: 24px;
  background: #fff; border: 1.5px solid var(--grid); border-left: 5px solid var(--ink);
  border-radius: 6px; padding: 22px 24px;
}
.session-row.is-full { border-left-color: var(--stamp); }
.sr-code { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em; color: var(--ink-soft); }
.sr-day { font-family: var(--display); font-weight: 800; font-size: 1.5rem; line-height: 1.15; }
.sr-year { font-size: 0.75rem; color: var(--ink-soft); }
.sr-body h2 { font-size: 1.25rem; margin: 0 0 6px; }
.sr-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--ink-soft); }
.sr-notes { font-size: 0.87rem; color: var(--ink-soft); margin: 10px 0 0; }
.sr-side { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; justify-content: center; text-align: right; }
.sr-price { font-family: var(--display); font-weight: 800; font-size: 1.5rem; }

.pill {
  display: inline-block; font-family: var(--mono); font-size: 0.66rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 999px; border: 1.5px solid;
}
.pill-person   { color: var(--ink); border-color: var(--ink); background: var(--paper-deep); }
.pill-virtual  { color: var(--safe); border-color: var(--safe); background: var(--safe-soft); }
.pill-scheduled{ color: var(--safe); border-color: var(--safe); background: var(--safe-soft); }
.pill-closed, .pill-completed { color: var(--ink-soft); border-color: var(--grid); background: var(--paper-deep); }
.pill-cancelled{ color: var(--stamp); border-color: var(--stamp); background: var(--stamp-soft); }
.pill-held     { color: #8A6100; border-color: #C99700; background: #FFF3CE; }
.pill-paid     { color: var(--safe); border-color: var(--safe); background: var(--safe-soft); }
.pill-waitlisted { color: var(--ink-soft); border-color: var(--ink-soft); background: var(--paper-deep); }

@media (max-width: 860px) {
  .session-row { grid-template-columns: 1fr; gap: 12px; }
  .sr-side { align-items: flex-start; text-align: left; }
}

.reserve-block { background: var(--paper-deep); padding: 66px 0 80px; }
.reserve-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 52px; align-items: start; }
.small-note { font-size: 0.78rem; }
.empty-note { background: #fff; border: 1.5px solid var(--grid); border-radius: 6px; padding: 36px; }

@media (max-width: 900px) { .reserve-grid { grid-template-columns: 1fr; gap: 30px; } }

/* ---------- forms ---------- */

.cg-form { display: flex; flex-direction: column; gap: 16px; }
.cg-form label {
  display: block; font-family: var(--mono); font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft);
  margin-bottom: 5px;
}
.cg-form label .opt { color: var(--grid); letter-spacing: 0.06em; }
.cg-form input, .cg-form select, .cg-form textarea {
  width: 100%; box-sizing: border-box;
  font-family: var(--body); font-size: 1rem; color: var(--ink);
  background: #fff; border: 1.5px solid var(--grid); border-radius: 4px;
  padding: 10px 12px;
}
.cg-form input:focus, .cg-form select:focus, .cg-form textarea:focus {
  outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px var(--grid-soft);
}
.cg-form button[type="submit"] { align-self: flex-start; }
.form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-fine { font-size: 0.82rem; color: var(--ink-soft); margin: 0; }

@media (max-width: 600px) { .form-2col { grid-template-columns: 1fr; } }

/* ---------- course page ---------- */

.course-detail { padding: 10px 0 70px; }
.course-detail-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 52px; align-items: start; }
.checklist { list-style: none; margin: 0 0 2rem; padding: 0; }
.checklist li { padding: 12px 0 12px 32px; position: relative; border-bottom: 1px solid var(--grid-soft); font-size: 0.97rem; }
.checklist li::before { content: "✓"; position: absolute; left: 4px; color: var(--safe); font-weight: 700; }

.buy-card {
  background: #fff; border: 2px solid var(--ink); border-radius: 6px;
  box-shadow: 6px 6px 0 var(--grid);
  padding: 26px 26px 22px;
  position: sticky; top: 90px;
}
.buy-price-row { display: flex; align-items: baseline; gap: 12px; border-bottom: 2px solid var(--ink); padding-bottom: 14px; }

.course-vs { background: var(--paper-deep); padding: 66px 0 80px; }
.vs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.vs-col { background: #fff; border: 1.5px solid var(--grid); border-radius: 6px; padding: 24px; }
.vs-col p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

@media (max-width: 900px) {
  .course-detail-grid { grid-template-columns: 1fr; }
  .buy-card { position: static; }
  .vs-grid { grid-template-columns: 1fr; }
}

/* ---------- confirmation pages ---------- */

.confirm-card-wrap { padding: 0 0 80px; }
.confirm-card {
  background: #fff; border: 2px solid var(--ink); border-radius: 6px;
  box-shadow: 6px 6px 0 var(--grid);
  padding: 26px 30px; max-width: 560px;
}
.cc-ref { font-size: 0.7rem; letter-spacing: 0.12em; color: var(--ink-soft); border-bottom: 2px solid var(--ink); padding-bottom: 10px; margin-bottom: 14px; }
.confirm-card dl { margin: 0; }
.confirm-card dl > div { display: grid; grid-template-columns: 90px 1fr; gap: 14px; padding: 7px 0; }
.confirm-card dt { font-family: var(--mono); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); padding-top: 3px; }
.confirm-card dd { margin: 0; }
.cc-notes { font-size: 0.87rem; color: var(--ink-soft); border-top: 1px solid var(--grid-soft); padding-top: 12px; margin: 12px 0 0; }
.confirm-foot { margin-top: 20px; color: var(--ink-soft); font-size: 0.92rem; }

/* ---------- admin ---------- */

.admin { padding: 40px 0 90px; }
.admin-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.admin-head h1 { font-size: 1.8rem; margin: 0; }

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 22px 0 34px; }
.stat { background: #fff; border: 1.5px solid var(--grid); border-left: 4px solid var(--ink); border-radius: 5px; padding: 14px 18px; }
.stat-num { font-family: var(--display); font-weight: 800; font-size: 1.7rem; line-height: 1.1; }
.stat-lbl { font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); margin-top: 4px; }

.admin h2 { font-size: 1.3rem; margin: 1.6em 0 0.7em; }
.admin-session { background: #fff; border: 1.5px solid var(--grid); border-radius: 6px; padding: 18px 20px; margin-bottom: 18px; }
.as-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
.as-code { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; color: var(--ink-soft); margin-right: 8px; }
.as-when { color: var(--ink-soft); font-size: 0.88rem; margin-left: 8px; }
.as-status { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.as-seats { font-family: var(--mono); font-size: 0.74rem; color: var(--ink-soft); }
.empty-roster { color: var(--ink-soft); font-size: 0.9rem; padding: 8px 2px; }

/* spine rows — the platform's canonical admin list style:
   rounded corners + colored left bar (see feedback_spine_row_table_style) */
.spine-rows { display: flex; flex-direction: column; gap: 8px; }
.spine-row {
  display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 14px; align-items: center;
  background: #fbfcfc; border: 1px solid var(--grid-soft);
  border-left: 4px solid var(--ink-soft);
  border-radius: 5px; padding: 10px 14px;
}
.spine-row.sb-held       { border-left-color: #C99700; }
.spine-row.sb-paid       { border-left-color: var(--safe); }
.spine-row.sb-waitlisted { border-left-color: var(--ink-soft); }
.spine-row.sb-cancelled  { border-left-color: var(--grid); opacity: 0.62; }
.srw-who { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.srw-who .mono { font-size: 0.76rem; color: var(--ink-soft); overflow-wrap: anywhere; }
.srw-detail { font-size: 0.8rem; color: var(--ink-soft); }
.srw-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.srw-amt { font-size: 0.8rem; font-weight: 600; }
.srw-date { font-size: 0.72rem; color: var(--ink-soft); }
.srw-actions { display: flex; gap: 8px; }
.inline-form { display: inline; }

.admin-new { background: #fff; border: 1.5px solid var(--grid); border-radius: 6px; padding: 22px 24px; margin: 10px 0 26px; }
.new-session-form { max-width: 640px; }

@media (max-width: 800px) {
  .spine-row { grid-template-columns: 1fr; gap: 8px; }
  .srw-actions { justify-content: flex-start; }
}

/* ---------- errors ---------- */

.error-page { max-width: 560px; }
.err-code { font-size: 0.74rem; font-weight: 600; letter-spacing: 0.16em; color: var(--stamp); margin-bottom: 14px; }

/* ---------- footer ---------- */

.footer-cg { background: var(--night); color: #9FB4C6; padding: 40px 0 46px; margin-top: 0; }
.footer-cg .wrap { display: flex; flex-direction: column; gap: 10px; font-size: 0.88rem; }
.footer-cg a { color: #D7E1EA; }
.footer-cg a:hover { color: #fff; }
.foot-note .mono { letter-spacing: 0.18em; font-size: 0.72rem; color: #D7E1EA; }
.foot-copy { font-size: 0.8rem; color: #66798B; }

/* ---------- motion ---------- */

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