/* Lecture portal local styles */
:root {
  --lec-bg: #f7f3ec;
  --lec-panel: rgba(255, 255, 255, 0.9);
  --lec-panel-strong: #fffdf8;
  --lec-text: #2a211b;
  --lec-muted: #6a5a4b;
  --lec-line: rgba(123, 88, 58, 0.2);
  --lec-accent: #b96c45;
  --lec-accent-strong: #8f4b33;
  --lec-shadow: 0 14px 30px rgba(37, 22, 13, 0.08);
  --lec-radius: 16px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  color: inherit;
}

.lec-shell {
  color: var(--lec-text);
  line-height: 1.6;
}

.lec-shell a {
  color: var(--lec-accent-strong);
}

.lec-shell {
  width: 100%;
  margin: 0;
  padding: 20px 16px 72px;
}

.lec-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 0.9rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--lec-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
}

.lec-site {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.lec-site-kicker {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--lec-muted);
}

.lec-site-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.lec-top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.lec-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.2rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--lec-line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.84);
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 0 4px 10px rgba(20, 14, 8, 0.04);
}

.lec-btn:hover {
  background: #fff;
}

.lec-btn-primary {
  border-color: rgba(185, 108, 69, 0.38);
  background: linear-gradient(180deg, rgba(255, 249, 242, 0.95) 0%, rgba(250, 239, 228, 0.95) 100%);
}

.lec-hero {
  border: 1px solid var(--lec-line);
  border-radius: var(--lec-radius);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.9) 0%, rgba(249, 242, 235, 0.92) 100%);
  box-shadow: var(--lec-shadow);
  padding: clamp(1rem, 2.5vw, 1.4rem);
  margin-bottom: 1rem;
}

.lec-kicker {
  display: inline-flex;
  align-items: center;
  margin: 0 0 0.3rem;
  padding: 0.18rem 0.58rem;
  border-radius: 999px;
  border: 1px solid rgba(143, 75, 51, 0.24);
  background: rgba(255, 255, 255, 0.8);
  color: var(--lec-muted);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.lec-hero h1 {
  margin: 0;
  font-size: clamp(1.35rem, 2vw + 0.8rem, 2rem);
  line-height: 1.25;
}

.lec-hero p {
  margin: 0.6rem 0 0;
  color: var(--lec-muted);
}

.lec-grid {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 720px) {
  .lec-grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.lec-card {
  border: 1px solid var(--lec-line);
  border-radius: var(--lec-radius);
  background: var(--lec-panel);
  box-shadow: var(--lec-shadow);
  padding: 1rem;
}

.lec-card h2,
.lec-card h3 {
  margin: 0 0 0.45rem;
  line-height: 1.3;
}

.lec-card p {
  margin: 0.45rem 0 0;
}

.lec-card-list {
  margin: 0.35rem 0 0;
  padding-left: 1.1rem;
}

.lec-card-list li + li {
  margin-top: 0.25rem;
}

.lec-year-link,
.lec-course-link {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--lec-line);
  background: var(--lec-panel-strong);
  text-decoration: none;
  color: inherit;
}

.lec-year-link[aria-disabled="true"],
.lec-course-link[aria-disabled="true"] {
  opacity: 0.92;
  cursor: default;
}

.lec-year-link:hover,
.lec-course-link:hover {
  border-color: rgba(185, 108, 69, 0.34);
  box-shadow: 0 10px 18px rgba(30, 18, 10, 0.07);
}

.lec-year-link[aria-disabled="true"]:hover,
.lec-course-link[aria-disabled="true"]:hover {
  border-color: var(--lec-line);
  box-shadow: var(--lec-shadow);
}

.lec-link-title {
  font-weight: 700;
}

.lec-link-sub {
  color: var(--lec-muted);
  font-size: 0.88rem;
}

.lec-year-link-main {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  width: fit-content;
  padding: 0.28rem 0.55rem;
  border-radius: 10px;
  border: 1px solid rgba(185, 108, 69, 0.24);
  background: rgba(255, 251, 245, 0.92);
  text-decoration: none;
  font-weight: 700;
}

.lec-year-link-main::after {
  content: "→";
  font-size: 0.82rem;
}

.lec-mini-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem;
}

.lec-mini-groups {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.1rem;
}

.lec-mini-group {
  display: grid;
  gap: 0.35rem;
}

.lec-mini-group-title {
  margin: 0;
  font-size: 0.77rem;
  font-weight: 700;
  color: var(--lec-muted);
  letter-spacing: 0.04em;
}

.lec-mini-link {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 1.85rem;
  padding: 0.24rem 0.46rem;
  border-radius: 10px;
  border: 1px solid rgba(123, 88, 58, 0.18);
  background: rgba(255, 255, 255, 0.92);
  color: var(--lec-text);
  text-decoration: none;
  font-size: 0.79rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: left;
}

.lec-mini-link:hover {
  border-color: rgba(185, 108, 69, 0.34);
  background: #fff;
}

.lec-mini-link.is-pending {
  border-style: dashed;
  color: var(--lec-muted);
  cursor: default;
  background: rgba(255, 255, 255, 0.76);
}

.lec-breadcrumb {
  margin: 0 0 0.9rem;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.45rem;
  color: var(--lec-muted);
  font-size: 0.88rem;
}

.lec-breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.lec-breadcrumb li:not(:last-child)::after {
  content: "/";
  opacity: 0.6;
}

.lec-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.65rem;
}

.lec-chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--lec-line);
  background: rgba(255, 255, 255, 0.88);
  color: var(--lec-muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.lec-table-wrap {
  overflow-x: auto;
  margin-top: 0.4rem;
}

.lec-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 580px;
}

.lec-table th,
.lec-table td {
  border-bottom: 1px solid rgba(123, 88, 58, 0.12);
  padding: 0.6rem 0.4rem;
  vertical-align: top;
  text-align: left;
}

.lec-table th {
  font-size: 0.84rem;
  color: var(--lec-muted);
  font-weight: 700;
}

.lec-external {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(185, 108, 69, 0.24);
  background: rgba(255, 252, 246, 0.92);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.86rem;
}

.lec-external::after {
  content: "↗";
  font-size: 0.75rem;
}

.lec-muted {
  color: var(--lec-muted);
}

.lec-placeholder {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.5rem;
  border-radius: 999px;
  border: 1px dashed rgba(123, 88, 58, 0.3);
  color: var(--lec-muted);
  font-size: 0.84rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.66);
}

.lec-note {
  margin-top: 0.8rem;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid rgba(185, 108, 69, 0.2);
  background: rgba(255, 250, 242, 0.92);
  color: var(--lec-muted);
}

.lec-note strong {
  color: var(--lec-text);
}

.lec-footer {
  margin-top: 1rem;
  padding-top: 0.65rem;
  color: var(--lec-muted);
  font-size: 0.86rem;
}

body.has-mobile-dock .lec-shell,
.lec-has-mobile-dock .lec-shell {
  padding-bottom: 94px;
}

@media (max-width: 560px) {
  .lec-shell {
    padding: 14px 12px 64px;
  }

  .lec-topbar {
    padding: 0.65rem 0.75rem;
  }

  .lec-top-actions {
    width: 100%;
  }

  .lec-btn {
    flex: 1 1 auto;
  }

  .lec-year-link,
  .lec-course-link {
    padding: 0.78rem 0.78rem;
  }

  .lec-mini-links {
    grid-template-columns: 1fr;
  }
}