/* ==========================================================================
   Paleta institucional UTFSM
   Colores extraídos del escudo y timbre oficiales de la Universidad Técnica
   Federico Santa María (Dirección General de Docencia).
   ========================================================================== */
:root,
[data-md-color-scheme="default"] {
  --usm-navy: #1b2a5e;
  --usm-navy-dark: #10193b;
  --usm-blue: #005f96;
  --usm-gold: #e5b300;
  --usm-red: #b30828;

  --md-primary-fg-color: var(--usm-navy);
  --md-primary-fg-color--light: var(--usm-blue);
  --md-primary-fg-color--dark: var(--usm-navy-dark);
  --md-accent-fg-color: var(--usm-gold);
  --md-accent-fg-color--transparent: #e5b30022;
  --md-typeset-a-color: var(--usm-blue);
}

[data-md-color-scheme="slate"] {
  --usm-navy: #24356e;
  --usm-navy-dark: #0c1330;
  --usm-blue: #3d9bd6;
  --usm-gold: #f2c334;
  --usm-red: #e15268;

  --md-primary-fg-color: var(--usm-navy-dark);
  --md-primary-fg-color--light: var(--usm-navy);
  --md-primary-fg-color--dark: #080d1f;
  --md-accent-fg-color: var(--usm-gold);
  --md-typeset-a-color: var(--usm-blue);
  --md-default-bg-color: #10142a;
}

/* Header / topbar -------------------------------------------------------- */
.md-header {
  background: linear-gradient(90deg, var(--usm-navy-dark) 0%, var(--usm-navy) 55%, var(--usm-blue) 100%);
  box-shadow: 0 1px 0 var(--usm-gold);
}

.md-tabs {
  background-color: var(--usm-navy-dark);
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 1.6rem;
  width: 1.6rem;
}

/* Gold accent underline on active tabs/links */
.md-tabs__link--active,
.md-nav__link--active {
  color: var(--usm-gold) !important;
}

.md-typeset a:hover {
  color: var(--usm-gold);
}

/* Footer ------------------------------------------------------------------ */
.md-footer {
  background-color: var(--usm-navy-dark);
}

.md-footer-meta {
  background-color: var(--usm-navy-dark);
}

/* Headings ----------------------------------------------------------------*/
.md-typeset h1 {
  color: var(--usm-navy);
  border-bottom: 3px solid var(--usm-gold);
  padding-bottom: 0.3rem;
}

[data-md-color-scheme="slate"] .md-typeset h1 {
  color: #eef1fb;
}

.md-typeset h2 {
  border-left: 4px solid var(--usm-blue);
  padding-left: 0.6rem;
}

/* Tables -------------------------------------------------------------------*/
.md-typeset table:not([class]) th {
  background-color: var(--usm-navy);
  color: #ffffff;
}

.md-typeset table:not([class]) tr:nth-child(even) {
  background-color: var(--md-accent-fg-color--transparent);
}

/* Admonitions tuned to the palette ------------------------------------------*/
.md-typeset .admonition.note,
.md-typeset .note > .admonition-title {
  border-color: var(--usm-blue);
}
.md-typeset .note > .admonition-title::before {
  background-color: var(--usm-blue);
}

.md-typeset .admonition.warning,
.md-typeset .warning > .admonition-title {
  border-color: var(--usm-gold);
}
.md-typeset .warning > .admonition-title::before {
  background-color: var(--usm-gold);
}

/* ==========================================================================
   Hero banner (home page)
   ========================================================================== */
.usm-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  background: linear-gradient(120deg, var(--usm-navy-dark) 0%, var(--usm-navy) 60%, var(--usm-blue) 100%);
  color: #f3f5fb;
  border-radius: 12px;
  padding: 2.2rem 2.4rem;
  margin: 0.5rem 0 2rem 0;
  border-bottom: 4px solid var(--usm-gold);
}

.usm-hero h1 {
  color: #ffffff !important;
  border-bottom: none !important;
  margin: 0 0 0.4rem 0;
  font-size: 1.9rem;
}

.usm-hero p {
  margin: 0;
  opacity: 0.92;
  max-width: 46ch;
}

.usm-hero .usm-hero-tag {
  display: inline-block;
  margin-bottom: 0.6rem;
  padding: 0.15rem 0.7rem;
  border-radius: 999px;
  background: var(--usm-gold);
  color: var(--usm-navy-dark);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.usm-hero img {
  height: 110px;
  width: auto;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.35));
}

/* Info strip / key facts ---------------------------------------------------*/
.usm-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2rem 0;
}

.usm-fact {
  background: var(--md-default-bg-color);
  border: 1px solid var(--md-accent-fg-color--transparent);
  border-top: 3px solid var(--usm-blue);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  text-align: center;
}

.usm-fact .usm-fact-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
  margin-bottom: 0.25rem;
}

.usm-fact .usm-fact-value {
  display: block;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--usm-navy);
}

[data-md-color-scheme="slate"] .usm-fact .usm-fact-value {
  color: #eef1fb;
}

/* Card grid (docente, unidades, etc.) ---------------------------------------*/
.usm-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin: 1.5rem 0;
}

.usm-card {
  border: 1px solid var(--md-accent-fg-color--transparent);
  border-radius: 10px;
  padding: 1.2rem 1.3rem;
  background: var(--md-default-bg-color);
  border-top: 4px solid var(--usm-gold);
}

.usm-card h3 {
  margin-top: 0;
  color: var(--usm-navy);
}

[data-md-color-scheme="slate"] .usm-card h3 {
  color: #eef1fb;
}

/* Class session header badge -------------------------------------------------*/
.usm-session-meta {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 0.6rem 0 1.4rem 0;
}

.usm-session-meta span {
  background: var(--usm-navy);
  color: #fff;
  border-radius: 6px;
  padding: 0.25rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.usm-session-meta span.usm-tag-gold {
  background: var(--usm-gold);
  color: var(--usm-navy-dark);
}

.usm-session-meta span.usm-tag-red {
  background: var(--usm-red);
}

/* Interactive chart containers ----------------------------------------------*/
.usm-chart {
  background: var(--md-default-bg-color);
  border: 1px solid var(--md-accent-fg-color--transparent);
  border-radius: 10px;
  padding: 1.2rem 1.4rem 0.6rem 1.4rem;
  margin: 1.4rem 0;
}

.usm-chart-canvas-wrap {
  position: relative;
  width: 100%;
  height: 300px;
}

.usm-chart-canvas-wrap canvas {
  /* Chart.js sizes the canvas to this wrapper (responsive + maintainAspectRatio:false in
     charts.js) — without a fixed-height wrapper, Chart.js and the CSS max-height fight over the
     canvas size and it collapses over successive re-renders. */
  width: 100% !important;
  height: 100% !important;
}

.usm-chart-caption {
  display: block;
  text-align: center;
  font-size: 0.78rem;
  opacity: 0.7;
  margin: 0.4rem 0 0.9rem 0;
  font-style: italic;
}

.usm-chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}

/* Concept Venn diagram (IA / ML / IA Generativa) ----------------------------*/
.usm-venn {
  position: relative;
  width: 100%;
  max-width: 420px;
  height: 260px;
  margin: 1.5rem auto;
}

.usm-venn div {
  position: absolute;
  border-radius: 50%;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14px;
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
  color: #ffffff;
  cursor: help;
  transition: transform 0.15s ease;
}

.usm-venn div:hover {
  transform: scale(1.03);
}

.usm-venn .usm-venn-ia {
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background: color-mix(in srgb, var(--usm-blue) 35%, transparent);
  border: 2px solid var(--usm-blue);
  color: var(--usm-blue);
}

.usm-venn .usm-venn-ml {
  width: 72%;
  height: 72%;
  left: 14%;
  top: 20%;
  background: color-mix(in srgb, var(--usm-navy) 45%, transparent);
  border: 2px solid var(--usm-navy);
  color: var(--usm-navy);
}

[data-md-color-scheme="slate"] .usm-venn .usm-venn-ml {
  color: #d7dcf5;
}

.usm-venn .usm-venn-genia {
  width: 42%;
  height: 42%;
  left: 29%;
  top: 34%;
  background: var(--usm-gold);
  border: 2px solid var(--usm-gold);
  color: var(--usm-navy-dark);
  padding-top: 30%;
}

/* Deliverable / activity callouts --------------------------------------------*/
.usm-activity {
  border: 1px solid var(--md-accent-fg-color--transparent);
  border-left: 5px solid var(--usm-blue);
  border-radius: 6px;
  padding: 1rem 1.2rem;
  margin: 1.2rem 0;
  background: var(--md-default-bg-color);
}

.usm-activity h3 {
  margin-top: 0;
}

.usm-deliverable {
  border: 1px solid var(--md-accent-fg-color--transparent);
  border-left: 5px solid var(--usm-red);
  border-radius: 6px;
  padding: 1rem 1.2rem;
  margin: 1.2rem 0;
  background: var(--md-default-bg-color);
}

.usm-deliverable h3 {
  margin-top: 0;
  color: var(--usm-red);
}

.usm-deliverable-badge {
  display: inline-block;
  background: var(--usm-red);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
}

/* ==========================================================================
   Perfil docente (Home)
   ========================================================================== */
.usm-profile {
  display: flex;
  gap: 1.6rem;
  align-items: center;
  flex-wrap: wrap;
  border-top: 4px solid var(--usm-gold);
  border: 1px solid var(--md-accent-fg-color--transparent);
  border-radius: 12px;
  padding: 1.6rem 1.8rem;
  margin: 1.2rem 0 1.6rem 0;
  background: var(--md-default-bg-color);
}

.usm-profile img {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--usm-gold);
  flex-shrink: 0;
}

.usm-profile-body {
  flex: 1;
  min-width: 240px;
}

.usm-profile-body h3 {
  margin: 0 0 0.15rem 0;
  font-size: 1.35rem;
  color: var(--usm-navy);
}

[data-md-color-scheme="slate"] .usm-profile-body h3 {
  color: #eef1fb;
}

.usm-profile-role {
  display: block;
  font-weight: 600;
  color: var(--usm-blue);
  margin-bottom: 0.6rem;
}

.usm-profile-body p {
  margin: 0 0 0.8rem 0;
}

.usm-profile-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--usm-navy);
  color: #fff !important;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none !important;
}

.usm-profile-links a:hover {
  background: var(--usm-blue);
}

/* Timeline (experiencia / docencia) ------------------------------------------*/
.usm-timeline {
  list-style: none;
  margin: 0.6rem 0 0 0;
  padding: 0;
  position: relative;
}

.usm-timeline li {
  position: relative;
  padding: 0 0 1.1rem 1.4rem;
  border-left: 2px solid var(--md-accent-fg-color--transparent);
}

.usm-timeline li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.usm-timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--usm-blue);
  border: 2px solid var(--md-default-bg-color);
}

.usm-timeline li.usm-current::before {
  background: var(--usm-gold);
}

.usm-timeline .usm-timeline-title {
  display: block;
  font-weight: 700;
  color: var(--usm-navy);
}

[data-md-color-scheme="slate"] .usm-timeline .usm-timeline-title {
  color: #eef1fb;
}

.usm-timeline .usm-timeline-meta {
  display: block;
  font-size: 0.82rem;
  opacity: 0.75;
}

.usm-timeline .usm-timeline-badge {
  display: inline-block;
  margin-left: 0.4rem;
  background: var(--usm-gold);
  color: var(--usm-navy-dark);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
}

/* Call-to-action box (ej. registro de grupos) --------------------------------*/
.usm-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  flex-wrap: wrap;
  border: 1px solid var(--md-accent-fg-color--transparent);
  border-left: 5px solid var(--usm-gold);
  border-radius: 8px;
  padding: 1rem 1.3rem;
  margin: 1.2rem 0;
  background: var(--md-default-bg-color);
}

.usm-cta-text > strong {
  display: block;
  color: var(--usm-navy);
  font-size: 1rem;
  margin-bottom: 0.15rem;
}

[data-md-color-scheme="slate"] .usm-cta-text > strong {
  color: #eef1fb;
}

.usm-cta-text span {
  display: block;
  font-size: 0.85rem;
  opacity: 0.8;
}

/* Negritas dentro del texto secundario: inline, sin romper el párrafo */
.usm-cta-text span strong {
  display: inline;
  font-size: inherit;
  color: inherit;
  margin: 0;
}

.usm-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--usm-gold);
  color: var(--usm-navy-dark) !important;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none !important;
  white-space: nowrap;
  transition: transform 0.1s ease, background 0.15s ease;
}

.usm-btn:hover {
  background: #f2c334;
  transform: translateY(-1px);
}

/* Business Model Canvas (mini-visual) -----------------------------------------*/
.usm-bmc {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: auto auto auto;
  grid-template-areas:
    "partners activities value relations segments"
    "partners resources  value channels  segments"
    "costs    costs       costs revenue  revenue";
  gap: 6px;
  margin: 1.5rem 0;
  font-size: 0.8rem;
}

.usm-bmc-block {
  border: 1px solid var(--md-accent-fg-color--transparent);
  border-radius: 6px;
  padding: 0.6rem 0.7rem;
  background: var(--md-default-bg-color);
  border-top: 3px solid var(--usm-blue);
}

.usm-bmc-block strong {
  display: block;
  font-size: 0.8rem;
  color: var(--usm-navy);
  margin-bottom: 0.3rem;
}

[data-md-color-scheme="slate"] .usm-bmc-block strong {
  color: #eef1fb;
}

.usm-bmc-block span {
  display: block;
  font-size: 0.72rem;
  opacity: 0.8;
}

.usm-bmc-block.usm-bmc-value {
  border-top-color: var(--usm-gold);
  background: var(--md-accent-fg-color--transparent);
}

.usm-bmc-block.usm-bmc-cost,
.usm-bmc-block.usm-bmc-revenue {
  border-top-color: var(--usm-red);
}

.usm-bmc-partners { grid-area: partners; }
.usm-bmc-activities { grid-area: activities; }
.usm-bmc-resources { grid-area: resources; }
.usm-bmc-value { grid-area: value; }
.usm-bmc-relations { grid-area: relations; }
.usm-bmc-channels { grid-area: channels; }
.usm-bmc-segments { grid-area: segments; }
.usm-bmc-cost { grid-area: costs; }
.usm-bmc-revenue { grid-area: revenue; }

@media (max-width: 640px) {
  .usm-bmc {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "partners  activities"
      "partners  resources"
      "value     value"
      "relations channels"
      "segments  segments"
      "costs     revenue";
  }
}