.portal-main {
  padding: 40px 6vw 80px;
}

.portal-nav .nav-links {
  display: flex;
  gap: 18px;
}

.portal-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 18px 40px var(--shadow);
  max-width: 960px;
  margin: 0 auto;
}

.portal-card h1 {
  margin-bottom: 12px;
}

.portal-form {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.portal-form label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: var(--muted);
}

.portal-form input,
.portal-form textarea,
.portal-form select {
  background: #10131b;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 14px;
}

.portal-message {
  background: rgba(109, 214, 194, 0.12);
  color: var(--accent-2);
  padding: 10px 14px;
  border-radius: 12px;
  margin-top: 12px;
}

.portal-error {
  background: rgba(244, 96, 96, 0.12);
  color: #ffb3b3;
  padding: 10px 14px;
  border-radius: 12px;
  margin-top: 12px;
}

.portal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto 28px;
}

.portal-search {
  display: flex;
  gap: 12px;
}

.portal-search input {
  min-width: 240px;
  background: #10131b;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 10px 14px;
  border-radius: 12px;
}

.lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.lesson-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  color: var(--ink);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.lesson-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.portal-empty {
  color: var(--muted);
  text-align: center;
}

.lesson-detail iframe {
  width: 100%;
  height: 480px;
  border: none;
  border-radius: 16px;
}

.video-frame {
  margin: 24px 0;
}

.lesson-notes {
  background: #10131b;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 20px;
}

.student-row,
.lesson-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.student-row span,
.lesson-row span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.student-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-pill {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  text-transform: uppercase;
}

.status-pill.pending {
  background: rgba(244, 178, 95, 0.15);
  color: var(--accent);
}

.status-pill.active {
  background: rgba(109, 214, 194, 0.12);
  color: var(--accent-2);
}

.admin-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.portal-footer {
  margin-top: 80px;
}

@media (max-width: 720px) {
  .portal-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .portal-search {
    width: 100%;
  }

  .portal-search input {
    flex: 1;
    min-width: unset;
  }

  .lesson-detail iframe {
    height: 260px;
  }
}