/* Terra Learner shell tokens (from parking brand — light trainer workspace) */
:root {
  --tl-void: #071433;
  --tl-sky: #0d2860;
  --tl-sky-soft: #16386e;
  --tl-sun: #ffc93c;
  --tl-ink: #2a160c;
  --tl-ink-soft: #5a341c;
  --tl-navy: #17224a;
  --tl-paper: #f4f8ff;
  --tl-sand: #e0c088;
  --tl-danger: #a3241c;
  --tl-radius-card: 14px;
  --tl-radius-pill: 999px;
  --tl-font-display: "Baloo 2", system-ui, sans-serif;
  --tl-font-ui: "Nunito", "Segoe UI", system-ui, sans-serif;
}

html {
  font-size: 14px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  margin: 0;
  margin-bottom: 60px;
  min-height: 100%;
  color: var(--tl-ink);
  font-family: var(--tl-font-ui);
  background: var(--tl-paper);
}

a {
  color: var(--tl-navy);
}

a:hover,
a:focus-visible {
  color: var(--tl-ink);
}

:focus-visible {
  outline: 3px solid var(--tl-sun);
  outline-offset: 2px;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--tl-sun);
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* —— Layout chrome —— */
.tl-nav {
  background: linear-gradient(180deg, var(--tl-void) 0%, var(--tl-navy) 100%);
  border-bottom: none;
  box-shadow: 0 2px 12px rgba(7, 20, 51, 0.28);
  padding: 0.35rem 0;
  margin-bottom: 0;
}

.tl-nav .navbar-brand {
  color: var(--tl-paper);
  font-family: var(--tl-font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.tl-nav .navbar-brand:hover,
.tl-nav .navbar-brand:focus-visible {
  color: var(--tl-sun);
}

.tl-nav .nav-link {
  color: rgba(244, 248, 255, 0.88);
  font-family: var(--tl-font-ui);
  font-weight: 700;
  padding: 0.55rem 0.75rem;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
}

.tl-nav .nav-link:hover,
.tl-nav .nav-link:focus-visible {
  color: var(--tl-sun);
}

.tl-nav .nav-link.is-current,
.tl-nav .nav-link[aria-current="page"] {
  color: var(--tl-paper);
  border-bottom-color: var(--tl-sun);
}

.tl-nav .navbar-toggler {
  border-color: rgba(244, 248, 255, 0.35);
}

.tl-nav .navbar-toggler-icon {
  filter: invert(1) brightness(1.4);
}
.tl-nav-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-left: auto;
  padding: 0.25rem 0;
}

.tl-nav-actions .tl-btn--primary {
  background: var(--tl-sun);
  color: var(--tl-ink);
  border-color: var(--tl-sun);
  min-height: 40px;
  padding: 0.4rem 1rem;
  font-size: 0.9rem;
}

.tl-nav-actions .tl-btn--primary:hover,
.tl-nav-actions .tl-btn--primary:focus-visible {
  filter: brightness(1.05);
  color: var(--tl-ink);
}

.tl-nav-link-secondary {
  color: rgba(244, 248, 255, 0.88);
  font-family: var(--tl-font-ui);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  white-space: nowrap;
}

.tl-nav-link-secondary:hover,
.tl-nav-link-secondary:focus-visible {
  color: var(--tl-sun);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.tl-nav-account {
  color: rgba(244, 248, 255, 0.88);
  font-family: var(--tl-font-ui);
  font-weight: 700;
  font-size: 0.9rem;
  max-width: 14rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tl-nav-logout {
  display: inline;
  margin: 0;
}

.tl-nav-actions .tl-nav-signout {
  background: transparent;
  color: rgba(244, 248, 255, 0.88);
  border-color: transparent;
  text-decoration: underline;
  text-underline-offset: 3px;
  min-height: 40px;
  padding-inline: 0.35rem;
}

.tl-nav-actions .tl-nav-signout:hover,
.tl-nav-actions .tl-nav-signout:focus-visible {
  color: var(--tl-sun);
}

.tl-shell {
  max-width: 40rem;
  margin-inline: auto;
  padding: clamp(1rem, 4vw, 2.5rem);
}

.tl-shell--wide {
  max-width: 56rem;
}

.tl-shell--front-door {
  max-width: 72rem;
}

.tl-footer {
  border-top: 1px solid #d7deef;
  background: #fff;
  color: var(--tl-ink-soft);
  font-weight: 600;
}

.tl-footer a {
  color: var(--tl-navy);
  font-weight: 700;
}

/* —— Shared cards / buttons —— */
.tl-page-title {
  margin: 0;
  font-family: var(--tl-font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 4vw, 2.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--tl-navy);
}

.tl-lead {
  margin: 0.4rem 0 0;
  color: var(--tl-ink-soft);
  font-weight: 700;
  line-height: 1.4;
}

.tl-card {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-radius: var(--tl-radius-card);
  background: #fff;
  box-shadow: 0 8px 22px rgba(7, 20, 51, 0.08);
  border: 1px solid #e3eaf8;
}

.tl-card--signin {
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.tl-card--quiet {
  background: #fafcff;
  box-shadow: 0 4px 14px rgba(7, 20, 51, 0.05);
}

.tl-card--notice {
  border-left: 4px solid var(--tl-navy);
  background: var(--tl-paper);
  font-weight: 700;
  color: var(--tl-navy);
}

.tl-card h2,
.tl-card-title {
  margin: 0;
  font-family: var(--tl-font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--tl-navy);
}

.tl-card h3,
.tl-learner-name {
  margin: 0 0 0.65rem;
  font-family: var(--tl-font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--tl-ink);
}

.tl-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.65rem 0.75rem;
}

.tl-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1 1 12rem;
  min-width: 0;
  font-weight: 800;
  font-size: 0.92rem;
  color: var(--tl-ink-soft);
}

.tl-field input {
  width: 100%;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  border: 2px solid #d7deef;
  border-radius: 10px;
  font: 700 1rem var(--tl-font-ui);
  color: var(--tl-navy);
  background: #fff;
}

.tl-field input:focus-visible {
  border-color: var(--tl-navy);
  outline: 3px solid var(--tl-sun);
  outline-offset: 2px;
}

.tl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0.5rem 1.1rem;
  border: 2px solid transparent;
  border-radius: var(--tl-radius-pill);
  font: 800 0.95rem/1.2 var(--tl-font-ui);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.tl-btn:focus-visible {
  outline: 3px solid var(--tl-sun);
  outline-offset: 2px;
}

.tl-btn--primary {
  background: var(--tl-sun);
  color: var(--tl-ink);
  border-color: var(--tl-sun);
}

.tl-btn--primary:hover,
.tl-btn--primary:focus-visible {
  filter: brightness(1.05);
  color: var(--tl-ink);
}

.tl-btn--secondary {
  background: var(--tl-navy);
  color: var(--tl-paper);
  border-color: var(--tl-navy);
}

.tl-btn--secondary:hover,
.tl-btn--secondary:focus-visible {
  color: var(--tl-sun);
}

.tl-btn--danger {
  background: transparent;
  color: var(--tl-danger);
  border-color: #e8b4b0;
  font-weight: 700;
}

.tl-btn--danger:hover,
.tl-btn--danger:focus-visible {
  background: #fff5f4;
  color: var(--tl-danger);
}

.tl-btn--ghost {
  background: transparent;
  color: var(--tl-navy);
  border-color: transparent;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding-inline: 0.35rem;
}

.tl-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.tl-actions form {
  display: inline;
  margin: 0;
}

.tl-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.tl-chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.25rem 0.7rem;
  border-radius: var(--tl-radius-pill);
  background: var(--tl-paper);
  color: var(--tl-navy);
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  border: 1px solid #d7deef;
}

.tl-chip:hover,
.tl-chip:focus-visible {
  border-color: var(--tl-navy);
  color: var(--tl-ink);
}

.tl-learner-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tl-muted {
  margin: 0.5rem 0 0;
  color: var(--tl-ink-soft);
  font-weight: 600;
  line-height: 1.45;
}

.tl-code {
  display: block;
  margin: 0.75rem 0;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  background: var(--tl-paper);
  border: 1px solid #d7deef;
  color: var(--tl-navy);
  font-size: 0.9rem;
  word-break: break-all;
}

.tl-replay-stage {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 2 / 1;
  background: #d7ecf5;
  border-radius: var(--tl-radius-card);
  border: 1px solid #d7deef;
}

.tl-replay-marker {
  position: absolute;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: #1d4e89;
}

/* Admin observability */
.tl-admin-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 1rem;
  padding: 0.35rem;
  border-radius: var(--tl-radius-card);
  background: #e8eefc;
  border: 1px solid #d7deef;
}

.tl-admin-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.25rem 0.85rem;
  border-radius: var(--tl-radius-pill);
  color: var(--tl-navy);
  font: 800 0.9rem/1.2 var(--tl-font-ui);
  text-decoration: none;
}

.tl-admin-nav__link:hover,
.tl-admin-nav__link:focus-visible {
  background: #fff;
  color: var(--tl-ink);
}

.tl-admin-nav__link.is-current {
  background: var(--tl-sun);
  color: var(--tl-ink);
}

.tl-admin-metrics {
  margin: 0 0 1.25rem;
}

.tl-admin-metrics .tl-card-title {
  margin-bottom: 0.5rem;
}

.tl-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.tl-metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin: 0;
  padding: 0.9rem 1rem;
}

.tl-metric__value {
  font: 800 1.6rem/1.1 var(--tl-font-display);
  color: var(--tl-navy);
}

.tl-metric__label {
  font: 700 0.8rem/1.3 var(--tl-font-ui);
  color: var(--tl-ink-soft);
}

.tl-admin-dl {
  display: grid;
  gap: 0.5rem;
  margin: 0.5rem 0 0;
}

.tl-admin-dl > div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0.5rem;
  align-items: baseline;
}

.tl-admin-dl dt {
  margin: 0;
  font-weight: 800;
  color: var(--tl-navy);
}

.tl-admin-dl dd {
  margin: 0;
  word-break: break-all;
}

.tl-admin-ops-list {
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
  color: var(--tl-ink);
  font-weight: 600;
  line-height: 1.55;
}

.tl-admin-ops-list a {
  color: var(--tl-navy);
  font-weight: 800;
}

.tl-admin-table-wrap {
  overflow-x: auto;
  border-radius: var(--tl-radius-card);
  border: 1px solid #d7deef;
  background: #fff;
}

.tl-admin-table {
  width: 100%;
  border-collapse: collapse;
  font: 600 0.9rem/1.35 var(--tl-font-ui);
}

.tl-admin-table th,
.tl-admin-table td {
  padding: 0.65rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid #e8eefc;
  vertical-align: top;
}

.tl-admin-table th {
  background: #e8eefc;
  color: var(--tl-navy);
  font-weight: 800;
}

.tl-admin-table tbody tr:last-child td {
  border-bottom: 0;
}

.tl-chip.is-current {
  background: var(--tl-sun);
  border-color: var(--tl-sun);
  color: var(--tl-ink);
}