/* Student portal — builds on styles.css tokens */

.portal-header .brand span { color: var(--color-accent); }

.portal-banner {
  width: min(100% - 2.5rem, var(--page-max));
  margin: var(--space-md) auto 0;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: color-mix(in srgb, var(--color-accent) 10%, white);
  border: 1px solid color-mix(in srgb, var(--color-accent) 35%, white);
  color: var(--color-ink);
}
.portal-banner--warn {
  background: #fff8e8;
  border-color: #e0c070;
}
.portal-banner[hidden] { display: none; }

.portal-main {
  width: min(100% - 2.5rem, 42rem);
  margin: 0 auto;
  padding: var(--space-xl) 0;
  flex: 1;
}
.portal-main--wide {
  width: min(100% - 2.5rem, var(--page-max));
}

.portal-card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow);
  margin-bottom: var(--space-md);
}
.portal-card--clickable { cursor: pointer; transition: border-color 0.2s ease; }
.portal-card--clickable:hover { border-color: var(--color-accent); }
.portal-card h2,
.portal-card h3 { margin-top: 0; }
.portal-card__actions { margin-top: var(--space-sm); }

.portal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: var(--space-md);
}

.portal-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 24rem;
}
.portal-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-ink);
}
.portal-form input,
.portal-form textarea,
.portal-form select {
  font: inherit;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  color: var(--color-ink);
  background: #fff;
}
.portal-form input:read-only,
.portal-form textarea:read-only {
  background: var(--color-paper-soft);
  color: var(--color-ink-muted);
}

.portal-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-line);
}
.portal-tabs button {
  appearance: none;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.75rem 1rem;
  color: var(--color-ink-muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
}
.portal-tabs button.is-active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.portal-error {
  color: var(--color-accent-hover);
  font-weight: 700;
}
.portal-error[hidden] { display: none; }
.portal-empty { color: var(--color-ink-muted); }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: color-mix(in srgb, var(--color-accent) 12%, white);
  color: var(--color-accent);
  border-radius: 999px;
}
.badge--muted {
  background: var(--color-paper-soft);
  color: var(--color-ink-muted);
}

.materials-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.materials-list__item {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-line);
}
.manage-list {
  margin: 0 0 var(--space-md);
  padding-left: 1.2rem;
}

.btn--small {
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
}

.portal-footer {
  margin-top: auto;
  padding: var(--space-md) 0;
  background: var(--color-footer);
  color: var(--color-footer-muted);
  font-size: 0.85rem;
}
.portal-footer__inner {
  width: min(100% - 2.5rem, var(--page-max));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  justify-content: space-between;
  align-items: baseline;
}
.portal-footer a { color: #fff; }
.portal-footer a:hover { color: var(--color-accent); }

.portal-user {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.04em;
  margin-right: 0.5rem;
}

@media (max-width: 640px) {
  .portal-main { padding-top: var(--space-lg); }
  .nav a { padding: 0.65rem 0.55rem; font-size: 0.7rem; }
}

/* Studio admin */
.portal-card--admin {
  border-color: color-mix(in srgb, var(--color-accent) 45%, white);
  background: color-mix(in srgb, var(--color-accent) 6%, white);
}
.admin-table-wrap {
  overflow-x: auto;
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.admin-table th,
.admin-table td {
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
}
.admin-table th {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}
.admin-table__actions {
  white-space: nowrap;
}
.note.meta { margin-top: 0.35rem; }

.portal-muted {
  color: var(--color-ink-muted);
  font-size: 0.9rem;
  line-height: 1.45;
  max-width: 28rem;
}
.portal-form-links {
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
}
.portal-form-links a { font-weight: 700; }
.portal-checkbox {
  display: flex !important;
  flex-direction: row !important;
  align-items: flex-start;
  gap: 0.55rem !important;
  text-transform: none !important;
  letter-spacing: 0 !important;
  font-weight: 400 !important;
  font-size: 0.95rem !important;
}
.portal-checkbox input {
  margin-top: 0.2rem;
  width: auto;
}