/* ═══════════════════════════════════════════════════════════
   AURUM — product chrome & composed components.
   Built strictly on the tokens in main.css.
   ═══════════════════════════════════════════════════════════ */

/* ── NAV ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out),
    backdrop-filter var(--dur) var(--ease-out);
}
.nav.is-scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  border-bottom-color: var(--border);
}
.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  flex-shrink: 0;
}
.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--gradient-brand);
  display: grid;
  place-items: center;
  font-size: 0.8125rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0;
  box-shadow: var(--glow-soft);
}
.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-1);
}
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 550;
  color: var(--text-secondary);
  transition: color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}
.nav-links a:hover {
  color: var(--text-primary);
  background: var(--bg-inset);
}
.nav-links a[aria-current='page'] {
  color: var(--text-primary);
  background: var(--primary-soft);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-burger { display: none; }
}
.menu-panel {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  padding: var(--space-4) var(--space-5) var(--space-5);
}
.menu-panel a {
  display: block;
  padding: 13px 4px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.menu-panel a:last-of-type { border-bottom: 0; }
@media (min-width: 900px) {
  .menu-panel { display: none !important; }
}

/* ── HERO ── */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(60px, 10vw, 120px) clamp(56px, 8vw, 104px);
}
.hero > .container { position: relative; z-index: 2; }
.hero-title {
  max-width: 17ch;
  margin-inline: auto;
  text-align: center;
}
.hero-sub {
  max-width: 56ch;
  margin: var(--space-5) auto 0;
  text-align: center;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* ── STAT STRIP ── */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stats > div {
  background: var(--bg-primary);
  padding: var(--space-5) var(--space-4);
  text-align: center;
}
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 4px;
  letter-spacing: 0.04em;
}
@media (min-width: 768px) {
  .stats { grid-template-columns: repeat(4, 1fr); }
}

/* ── SECTION HEADER ── */
.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.section-head .row-between {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ── COURSE CARD ── */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: var(--space-5);
}
.course-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out);
}
.course-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-brand);
  box-shadow: var(--glow-soft);
}
.course-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--gradient-brand);
}
.course-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.82;
  transition: transform 0.7s var(--ease-out), opacity var(--dur) var(--ease-out);
}
.course-card:hover .course-thumb img {
  transform: scale(1.06);
  opacity: 1;
}
.thumb-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  background: rgba(7, 7, 15, 0.66);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
}
.course-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-5);
  gap: var(--space-3);
}
.course-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  flex-wrap: wrap;
}
.course-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.course-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}
.price {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}
.price-old {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  text-decoration: line-through;
  margin-left: 7px;
  font-weight: 500;
}

/* ── INSTRUCTOR ── */
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-strong);
  flex-shrink: 0;
}
.avatar-lg { width: 56px; height: 56px; }

/* ── MARQUEE ── */
.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: var(--space-7);
  animation: marquee 34s linear infinite;
}
.marquee-track span {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-tertiary);
  white-space: nowrap;
}

/* ── FOOTER ── */
.footer {
  margin-top: var(--space-9);
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  padding-block: var(--space-8) var(--space-6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}
.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 6px 0;
  transition: color var(--dur) var(--ease-out);
}
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}
@media (min-width: 700px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-6) var(--space-7); }
}
/* Column count varies per page (4 on inner pages, 5 on home) — let it flow. */
@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.6fr repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-7);
  }
}

/* ── CATALOG ── */
.catalog-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}
@media (min-width: 1024px) {
  .catalog-layout { grid-template-columns: 260px 1fr; gap: var(--space-7); }
  .filter-rail { position: sticky; top: calc(var(--nav-h) + 24px); }
}
.filter-group {
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--border);
}
.filter-group:first-child { padding-top: 0; }
.filter-group h5 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
}
.check {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  min-height: 36px;
}
.check:hover { color: var(--text-primary); }
.check input { accent-color: var(--primary); width: 16px; height: 16px; cursor: pointer; }
.check .count { margin-left: auto; font-size: 0.75rem; color: var(--text-tertiary); }
.chip-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.chip {
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--dur) var(--ease-out);
}
.chip:hover { color: var(--text-primary); border-color: var(--border-strong); }
.chip.is-active {
  background: var(--primary-soft);
  border-color: var(--border-brand);
  color: var(--text-primary);
}
/* Lucide swaps <i> for a block-level <svg>, which would wrap the icon
   onto its own line inside a chip. */
.chip svg {
  display: inline-block;
  vertical-align: -2px;
  margin-left: 2px;
}

/* ── COURSE DETAIL ── */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}
@media (min-width: 1024px) {
  .detail-layout { grid-template-columns: minmax(0, 1fr) 380px; gap: var(--space-7); }
  .buy-rail { position: sticky; top: calc(var(--nav-h) + 24px); }
}
.lesson {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
  transition: background var(--dur) var(--ease-out);
}
.lesson:last-child { border-bottom: 0; }
.lesson:hover { background: var(--bg-inset); }
.lesson-num {
  width: 30px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* ── CHECKOUT ── */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}
@media (min-width: 900px) {
  .checkout-layout { grid-template-columns: minmax(0, 1fr) 400px; gap: var(--space-7); }
  .summary-rail { position: sticky; top: calc(var(--nav-h) + 24px); }
}
.steps {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}
.step {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-tertiary);
}
.step b {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.6875rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-tertiary);
}
.step.is-active { color: var(--text-primary); }
.step.is-active b { background: var(--gradient-brand); border-color: transparent; color: #fff; }
.step.is-done b { background: rgba(52, 211, 153, 0.15); border-color: rgba(52,211,153,0.4); color: var(--success); }
.step-sep { width: 22px; height: 1px; background: var(--border-strong); }
.field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 560px) {
  .field-row-2 { grid-template-columns: 1fr 1fr; }
  .field-row-3 { grid-template-columns: 2fr 1fr 1fr; }
}
.pay-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--dur) var(--ease-out);
  min-height: 56px;
}
.pay-option:hover { border-color: var(--border-strong); }
.pay-option.is-selected {
  border-color: var(--primary);
  background: var(--primary-soft);
}
.summary-line {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 9px 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.summary-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  padding-top: var(--space-4);
  margin-top: var(--space-3);
  border-top: 1px solid var(--border);
}

/* ── DASHBOARD ── */
.dash-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}
@media (min-width: 1024px) {
  .dash-layout { grid-template-columns: 220px minmax(0, 1fr); gap: var(--space-7); }
  .dash-rail { position: sticky; top: calc(var(--nav-h) + 24px); }
}
.dash-nav a {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 14px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--dur) var(--ease-out);
}
.dash-nav a:hover { background: var(--bg-inset); color: var(--text-primary); }
.dash-nav a.is-active {
  background: var(--primary-soft);
  color: var(--text-primary);
  box-shadow: inset 0 0 0 1px var(--border-brand);
}
.continue-card {
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
}
@media (min-width: 700px) {
  .continue-card { grid-template-columns: 300px 1fr; }
}
.continue-thumb {
  position: relative;
  min-height: 180px;
  background: var(--gradient-brand);
  overflow: hidden;
}
.continue-thumb img { width: 100%; height: 100%; object-fit: cover; opacity: 0.8; }
.play-btn {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(7, 7, 15, 0.55);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  cursor: pointer;
  transition: transform var(--dur) var(--ease-out);
}
.play-btn:hover { transform: scale(1.08); }

/* ── PRICING ── */
.plans {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: start;
}
@media (min-width: 900px) {
  .plans { grid-template-columns: repeat(3, 1fr); }
}
.plan {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  gap: var(--space-5);
  height: 100%;
}
.plan-featured { transform: none; }
@media (min-width: 900px) {
  .plan-featured { transform: translateY(-18px); }
}
.plan ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.plan li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.plan li i { color: var(--primary); flex-shrink: 0; margin-top: 2px; }

/* ── FAQ ── */
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-tertiary);
  transition: transform var(--dur) var(--ease-out);
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); color: var(--primary); }
.faq-item p {
  margin: 0;
  padding-bottom: var(--space-5);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 68ch;
}

/* ── CTA BAND ── */
.cta-band {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 7vw, 80px) var(--space-5);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-brand);
  background: var(--gradient-brand-soft), var(--bg-secondary);
  text-align: center;
}
/* The orb must stay absolutely positioned — promoting it to relative would
   put a 440px decorative block into the flow and inflate the band. */
.cta-band > *:not(.orb) { position: relative; z-index: 2; }

/* ── STICKY MOBILE BUY BAR ── */
.buy-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  border-top: 1px solid var(--border);
}
@media (min-width: 1024px) {
  .buy-bar { display: none; }
}

/* ═══════════════════════════════════════════════════════════
   STUDIO — instructor workspace
   One account can hold both roles, so the workspace switcher is
   the primary orientation device, not a separate login.
   ═══════════════════════════════════════════════════════════ */

/* ── WORKSPACE SWITCHER ── */
.switcher {
  position: relative;
}
.switcher > summary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 12px 6px 6px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  cursor: pointer;
  list-style: none;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--dur) var(--ease-out);
}
.switcher > summary::-webkit-details-marker { display: none; }
.switcher > summary:hover { border-color: var(--border-brand); }
.switcher[open] > summary { border-color: var(--border-brand); background: var(--bg-elevated); }
.switcher-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 120;
  width: 290px;
  padding: 8px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
  animation: fadeIn 0.2s var(--ease-out);
}
.switcher-panel .overline { display: block; padding: 10px 12px 6px; }
.switcher-opt {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 12px;
  border-radius: var(--radius-md);
  transition: background var(--dur) var(--ease-out);
}
.switcher-opt:hover { background: var(--bg-inset); }
.switcher-opt.is-current { background: var(--primary-soft); }
.switcher-opt i { flex-shrink: 0; margin-top: 2px; color: var(--primary); }
.switcher-opt b { display: block; font-size: 0.875rem; font-weight: 650; color: var(--text-primary); }
.switcher-opt span { display: block; font-size: 0.75rem; color: var(--text-tertiary); margin-top: 2px; line-height: 1.45; }

/* Studio accent — distinguishes the teaching workspace from learning */
.studio-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
}

/* ── TABLES ── */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
}
.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}
.table thead tr { background: var(--bg-tertiary); }
.table th {
  text-align: left;
  padding: 14px 18px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  white-space: nowrap;
}
.table td {
  padding: 15px 18px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  vertical-align: middle;
}
.table tbody tr { transition: background var(--dur) var(--ease-out); }
.table tbody tr:hover { background: var(--bg-inset); }
.table .cell-strong { color: var(--text-primary); font-weight: 600; }
.table .cell-num { font-family: var(--font-mono); font-size: 0.8125rem; }

/* ── BUILDER ── */
.builder-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}
@media (min-width: 1024px) {
  .builder-layout { grid-template-columns: 250px minmax(0, 1fr); gap: var(--space-7); }
  .builder-steps { position: sticky; top: calc(var(--nav-h) + 24px); }
}

/* Horizontal scroll on mobile, vertical rail on desktop */
.builder-steps {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-2);
}
@media (min-width: 1024px) {
  .builder-steps { flex-direction: column; overflow: visible; padding-bottom: 0; }
}
.bstep {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--dur) var(--ease-out);
}
.bstep:hover { background: var(--bg-inset); }
.bstep b {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.6875rem;
  font-weight: 700;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-tertiary);
}
.bstep > div { display: flex; flex-direction: column; }
.bstep-title { font-size: 0.875rem; font-weight: 600; color: var(--text-secondary); }
.bstep-meta { font-size: 0.6875rem; color: var(--text-tertiary); }
.bstep.is-active {
  background: var(--primary-soft);
  border-color: var(--border-brand);
}
.bstep.is-active .bstep-title { color: var(--text-primary); }
.bstep.is-active b { background: var(--gradient-brand); border-color: transparent; color: #fff; }
.bstep.is-done b {
  background: rgba(52, 211, 153, 0.15);
  border-color: rgba(52, 211, 153, 0.4);
  color: var(--success);
}
.bstep.is-done .bstep-title { color: var(--text-primary); }

/* ── CURRICULUM EDITOR ── */
.module-block {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  overflow: hidden;
  margin-bottom: var(--space-4);
}
.module-head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 14px 16px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}
.drag-dots {
  color: var(--text-tertiary);
  cursor: grab;
  flex-shrink: 0;
  display: flex;
}
.drag-dots:active { cursor: grabbing; }
.lesson-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  transition: background var(--dur) var(--ease-out);
}
.lesson-row:last-child { border-bottom: 0; }
.lesson-row:hover { background: var(--bg-inset); }
.lesson-type {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary);
}
.lesson-type.t-project { background: rgba(232,121,249,0.14); color: var(--accent); }
.lesson-type.t-download { background: rgba(96,165,250,0.14); color: var(--info); }
.lesson-type.t-quiz { background: rgba(251,191,36,0.14); color: var(--warning); }
.lesson-type.t-live { background: rgba(251,113,133,0.14); color: var(--danger); }
.lesson-type.t-text { background: var(--bg-tertiary); color: var(--text-secondary); }
.lesson-title-input {
  flex: 1;
  min-width: 0;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9375rem;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--dur) var(--ease-out);
}
.lesson-title-input:hover { background: var(--bg-tertiary); }
.lesson-title-input:focus { background: var(--bg-tertiary); border-color: var(--primary); }

.add-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--dur) var(--ease-out);
}
.add-row:hover {
  border-color: var(--primary);
  color: var(--text-primary);
  background: var(--primary-soft);
}

/* ── UPLOAD ── */
.upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 36px 20px;
  text-align: center;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--bg-inset);
  cursor: pointer;
  transition: all var(--dur) var(--ease-out);
}
.upload-zone:hover { border-color: var(--primary); background: var(--primary-soft); }
.upload-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary);
}
.asset-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
}

/* ── TOGGLE ── */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  width: 42px;
  height: 24px;
  cursor: pointer;
}
.switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.switch .track {
  width: 42px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-strong);
  transition: all var(--dur) var(--ease-out);
}
.switch .track::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-tertiary);
  transition: all var(--dur) var(--ease-out);
}
.switch input:checked + .track { background: var(--gradient-brand); border-color: transparent; }
.switch input:checked + .track::after { left: 22px; background: #fff; }

/* ── REVIEW CHECKLIST ── */
.check-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.check-row:last-child { border-bottom: 0; }
.check-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
}
.check-icon.ok { background: rgba(52,211,153,0.15); color: var(--success); }
.check-icon.warn { background: rgba(251,191,36,0.15); color: var(--warning); }

/* ── SPLIT AUTH ── */
.auth-split {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100vh;
}
@media (min-width: 960px) {
  .auth-split { grid-template-columns: 1fr 1fr; }
}
.auth-aside {
  display: none;
  position: relative;
  overflow: hidden;
  padding: 56px;
  flex-direction: column;
  justify-content: space-between;
  background: var(--gradient-brand-soft), var(--bg-secondary);
  border-left: 1px solid var(--border);
}
@media (min-width: 960px) {
  .auth-aside { display: flex; }
}
.auth-form-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px var(--space-5) 56px;
}
.auth-form { width: 100%; max-width: 400px; }

/* ═══════════════════════════════════════════════════════════
   ADMIN CONSOLE — elevated privileges
   Deliberately cooler and more utilitarian than Studio: amber
   signals "you are acting on the whole platform", and destructive
   actions get their own button weight.
   ═══════════════════════════════════════════════════════════ */

.admin-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: rgba(251, 191, 36, 0.14);
  border: 1px solid rgba(251, 191, 36, 0.4);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warning);
}

/* Thin amber rule under the nav so the console is never mistaken
   for the student or instructor app. */
.nav-admin {
  border-bottom: 1px solid rgba(251, 191, 36, 0.28) !important;
  box-shadow: 0 1px 0 rgba(251, 191, 36, 0.08);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: rgba(251, 113, 133, 0.45);
}
.btn-danger:hover {
  background: rgba(251, 113, 133, 0.1);
  border-color: var(--danger);
}
.btn-success {
  background: var(--success);
  color: #04231a;
  border-color: transparent;
}
.btn-success:hover { filter: brightness(1.08); transform: translateY(-2px); }

/* ── REVIEW WORKSPACE ── */
.review-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}
@media (min-width: 1100px) {
  .review-layout { grid-template-columns: minmax(0, 1fr) 380px; gap: var(--space-7); }
  .decision-rail { position: sticky; top: calc(var(--nav-h) + 24px); }
}

/* Queue row */
.queue-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all var(--dur) var(--ease-out);
}
.queue-item:hover { border-color: var(--border-brand); background: var(--bg-tertiary); }
.queue-item.is-selected {
  border-color: var(--warning);
  background: rgba(251, 191, 36, 0.07);
}
.queue-age {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  white-space: nowrap;
}
.queue-age.is-late { color: var(--danger); font-weight: 600; }

/* ── ROLE PILLS ── */
.role {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.6875rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  border: 1px solid;
}
.role-student { background: rgba(96,165,250,0.12); color: var(--info); border-color: rgba(96,165,250,0.32); }
.role-instructor { background: var(--primary-soft); color: var(--accent); border-color: var(--border-brand); }
.role-admin { background: rgba(251,191,36,0.13); color: var(--warning); border-color: rgba(251,191,36,0.36); }
.role-suspended { background: rgba(251,113,133,0.12); color: var(--danger); border-color: rgba(251,113,133,0.32); }

/* ── SEGMENTED CONTROL ── */
.seg {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border-radius: var(--radius-pill);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
}
.seg button {
  padding: 7px 15px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--dur) var(--ease-out);
}
.seg button:hover { color: var(--text-primary); }
.seg button.is-active {
  background: var(--gradient-brand);
  color: #fff;
}

/* ── AUDIT LOG ── */
.audit-row {
  display: flex;
  gap: var(--space-4);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.audit-row:last-child { border-bottom: 0; }
.audit-dot {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.audit-dot.ok { background: rgba(52,211,153,0.13); border-color: rgba(52,211,153,0.3); color: var(--success); }
.audit-dot.warn { background: rgba(251,191,36,0.13); border-color: rgba(251,191,36,0.3); color: var(--warning); }
.audit-dot.bad { background: rgba(251,113,133,0.13); border-color: rgba(251,113,133,0.3); color: var(--danger); }

/* ── SETTINGS ROW ── */
.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.setting-row:last-child { border-bottom: 0; }
.setting-row > div:first-child { flex: 1; min-width: 220px; }

/* Danger zone */
.danger-zone {
  border: 1px solid rgba(251, 113, 133, 0.32);
  border-radius: var(--radius-lg);
  background: rgba(251, 113, 133, 0.05);
  padding: 26px;
}