:root {
  --bg: #fdfdfd;
  --text: #111111;
  --muted: #555555;
  --muted-2: #666666;
  --border: #e8e8e8;
  --surface: #ffffff;
  --surface-2: #f7f7f7;
  --surface-3: #f0f0f0;
  --link: #2a7ae2;
  --link-visited: #1756a9;
  --link-hover: #111111;
  --code-bg: #eeeeff;
  --code-border: #e8e8e8;
  --blockquote: #828282;
  --header-top: #424242;
  --accent: #8b4512;
  --accent-hover: #654321;
  --success-bg: #e8f5e9;
  --focus: #2a7ae2;
}

html[data-theme="dark"] {
  --bg: #0b0f14;
  --text: #e6edf3;
  --muted: #a8b3bf;
  --muted-2: #93a0ad;
  --border: #2b3541;
  --surface: #0f1724;
  --surface-2: #121c2a;
  --surface-3: #172334;
  --link: #7bb4ff;
  --link-visited: #c39cff;
  --link-hover: #e6edf3;
  --code-bg: #0c1320;
  --code-border: #2b3541;
  --blockquote: #a8b3bf;
  --header-top: #2b3541;
  --accent: #d6a07a;
  --accent-hover: #e3b894;
  --success-bg: #0f2a1a;
  --focus: #7bb4ff;
}

html {
  color-scheme: light;
}
html[data-theme="dark"] {
  color-scheme: dark;
}

body {
  background-color: var(--bg);
  color: var(--text);
}

a {
  color: var(--link);
}
a:visited {
  color: var(--link-visited);
}
a:hover {
  color: var(--link-hover);
}

blockquote {
  color: var(--blockquote);
  border-left-color: var(--border);
}

pre,
code {
  background-color: var(--code-bg);
  border-color: var(--code-border);
  color: inherit;
}

table {
  color: var(--text);
  background-color: var(--surface);
  border-color: var(--border);
}
table tr:nth-child(even) {
  background-color: var(--surface-2);
}
table th {
  background-color: var(--surface-3);
  border-color: var(--border);
  border-bottom-color: var(--border);
}
table td {
  border-color: var(--border);
}

.site-header {
  border-top-color: var(--header-top);
  border-bottom-color: var(--border);
}
.site-title,
.site-title:visited {
  color: var(--text);
}
.site-nav .page-link {
  color: var(--text);
}

@media screen and (max-width: 600px) {
  .site-nav {
    background-color: var(--surface);
    border-color: var(--border);
  }
  .site-nav .menu-icon > svg {
    fill: var(--text);
  }
}

.site-footer {
  border-top-color: var(--border);
}
.footer-col-wrapper {
  color: var(--muted);
}

select,
input,
textarea {
  background-color: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
select:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.docentes-list {
  font-family: inherit;
  margin: 1.5em 0;
}
.docentes-list .docentes-section {
  margin-top: 2em;
}
.docentes-list .docentes-section:first-child {
  margin-top: 0;
}
.docentes-list .docentes-section-title {
  font-size: 1.25em;
  font-weight: bold;
  margin-bottom: 0.5em;
  display: flex;
  align-items: center;
  gap: 0.35em;
}
.docentes-list .docentes-section-title .icon {
  font-style: normal;
}
.docentes-list .docentes-name-header {
  font-size: 0.9em;
  color: var(--muted-2);
  text-align: right;
  padding-right: 0.5em;
  margin-bottom: 0.25em;
  border-bottom: 1px solid var(--border);
}
.docentes-list .docentes-person {
  display: flex;
  align-items: center;
  padding: 0.6em 0;
  border-bottom: 1px solid var(--border);
}
.docentes-list .docentes-section .docentes-person:last-child {
  border-bottom: none;
}
.docentes-list .docentes-person-img {
  width: 70px;
  height: 70px;
  min-width: 70px;
  border-radius: 50%;
  object-fit: cover;
}
.docentes-list .docentes-person-name {
  margin-left: 1em;
}
.docentes-list .docentes-person-name a {
  color: var(--accent);
  text-decoration: underline;
}
.docentes-list .docentes-person-name a:hover {
  color: var(--accent-hover);
}
.docentes-list .docentes-person-name span {
  color: var(--text);
}

.calendario {
  border-left: none;
  border-right: none;
}

.calendario th,
.calendario td {
  border-left: none;
  border-right: none;
}

.calendario td:nth-child(3),
.calendario td:nth-child(4) {
  text-align: center;
}

.calendario tr.cal-feriado td {
  background-color: var(--success-bg);
}

/* Calendario: columna Tema (estilo tipo schedule CMU) */
.calendario .calendar-activity {
  vertical-align: top;
}
.calendario .calendar-activity .lecture-title {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35em;
}
.calendario .calendar-activity .cal-activity-dl {
  margin: 0;
  padding-left: 0.25rem;
  display: grid;
  grid-template-columns: minmax(5.5rem, auto) 1fr;
  gap: 0.2em 0.65em;
  align-items: baseline;
  font-size: 0.95em;
}
.calendario .calendar-activity .cal-activity-dl dt {
  margin: 0;
  font-weight: normal;
  color: var(--muted);
}
.calendario .calendar-activity .cal-activity-dl dd {
  margin: 0;
}

.calendario .calendar-activity .cal-activity-dl dd ul.cal-reading-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2em;
}
.calendario .calendar-activity .cal-activity-dl dd ul.cal-reading-list > li {
  margin: 0;
}
.calendario .calendar-activity .cal-activity-dl a.schedule-badge {
  white-space: nowrap;
}

/* Escritorio/tablet ancho: 4 columnas; sin duplicar Notas/Video en la celda Tema */
@media (min-width: 768px) {
  .calendario .cal-mobile-only {
    display: none;
  }
}

/* Teléfono: Notas y Video solo dentro de Tema; ocultar columnas dedicadas */
@media (max-width: 767.98px) {
  .calendario th:nth-child(3),
  .calendario th:nth-child(4),
  .calendario td:nth-child(3),
  .calendario td:nth-child(4) {
    display: none;
  }
}

.cal-bibliografia-heading {
  margin-top: 2rem;
  font-size: 1.15em;
  font-weight: 600;
}
.cal-bibliografia {
  margin: 0.5em 0 0;
  padding-left: 1.5rem;
}
.cal-bibliografia cite {
  font-style: italic;
}

.theme-toggle {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 9999;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}
.theme-toggle__icon {
  width: 22px;
  height: 22px;
  display: block;
}
.theme-toggle:hover {
  transform: translateY(-1px);
}
.theme-toggle:active {
  transform: translateY(0);
}
.theme-toggle:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}