/* ================================================================
   GRADUADOS — Hoja de estilos (Estética Bordo y Dorado)
   ------------------------------------------------------------------
   Sistema de tokens (colores, tipografía, espaciados) centralizado
   en :root para que sea fácil de adaptar a la identidad del resto
   del sitio con solo tocar estas variables.
   ================================================================ */

:root {
  /* Paleta: bordo institucional + acento dorado */
  --color-bg: #f6f7f9;
  --color-surface: #ffffff;
  --color-primary: #7a1a2e;       /* Tono principal bordo */
  --color-primary-dark: #5c1423;  /* Bordo más oscuro para títulos */
  --color-primary-light: #9c223b; /* Bordo claro para hovers de botones */
  --color-accent: #852c31;        /* Tono principal dorado */
  --color-accent-dark: #6b1a1a;   /* Dorado más oscuro para legibilidad */
  --color-text: #1b1f27;
  --color-text-secondary: #5b6472;
  --color-text-muted: #8a92a0;
  --color-border: #e3e6eb;
  --color-border-strong: #d3d8e0;
  --color-row-hover: #fdf7f8;     /* Fondo hover sutilmente cálido/bordo para la tabla */
  --color-overlay: rgba(15, 22, 33, 0.6);

  /* Tipografía */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Radios y sombras */
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(20, 30, 45, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 30, 45, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 22, 33, 0.25);

  /* Transiciones */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Respeta la preferencia de reducir animaciones */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* ----------------------------------------------------------------
   Base de la sección (namespaced con .graduados-section para no
   interferir con el resto del sitio)
   ---------------------------------------------------------------- */
.graduados-section {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  padding: 64px 24px 88px;
  box-sizing: border-box;
}

.graduados-section *,
.modal-overlay * {
  box-sizing: border-box;
}

.graduados-header {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.graduados-eyebrow {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 14px;
}

.graduados-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 600;
  color: var(--color-primary-dark);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.graduados-subtitle {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ----------------------------------------------------------------
   Cuadrícula de tarjetas de carreras
   ---------------------------------------------------------------- */
.carreras-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.carreras-cargando {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 14px;
  padding: 32px 0;
}

.carrera-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px 24px 22px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    border-color 0.25s var(--ease);
  display: flex;
  flex-direction: column;
}

.carrera-card:hover,
.carrera-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

/* Línea de acento superior — el "sello" distintivo de cada tarjeta */
.carrera-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.carrera-card:hover::before,
.carrera-card:focus-within::before {
  transform: scaleX(1);
}

.carrera-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-primary) 8%, white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.carrera-nombre {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 6px;
  line-height: 1.3;
}

.carrera-cantidad {
  font-size: 13.5px;
  color: var(--color-text-secondary);
  margin: 0 0 20px;
}

.carrera-cantidad strong {
  color: var(--color-primary);
  font-weight: 600;
}

.btn-ver-graduados {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.15s var(--ease);
}

.btn-ver-graduados:hover {
  background: var(--color-primary-light);
  transform: translateX(2px);
}

.btn-ver-graduados:active {
  transform: translateX(0) scale(0.98);
}

.btn-ver-graduados svg {
  transition: transform 0.2s var(--ease);
}

.btn-ver-graduados:hover svg {
  transform: translateX(3px);
}

/* Estado de error si un Excel no pudo leerse */
.carrera-card.con-error .carrera-cantidad {
  color: #b3431e;
}

/* ================================================================
   MODAL
   ================================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease), visibility 0.25s var(--ease);
  
}

.modal-overlay.activo {
  opacity: 1;
  visibility: visible;
}

.graduados_modal {
  width: 100%;
  max-width: 780px;
  max-height: 85vh;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(16px) scale(0.98);
  opacity: 0;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.modal-overlay.activo .graduados_modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px 16px;
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin: 0 0 4px;
}

.modal-count {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0;
}

.modal-close {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.modal-close:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.modal-search {
  position: relative;
  padding: 16px 26px;
  border-bottom: 1px solid var(--color-border);
}

.search-icon {
  position: absolute;
  left: 42px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px 14px 10px 36px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
  background: var(--color-surface);
}

.modal-body {
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.table-wrapper {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  padding: 0 26px;
}

.modal-pdf {
   width: 95vw;
   max-width: 1300px;
   height: 92vh; 
   max-height: 92vh;

  
}


.pdf-body {
  flex: 1; overflow-y: auto; background: #4a4f58; padding: 20px;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  user-select: none; -webkit-user-select: none;
  overflow-y: auto;
}

.pdf-body canvas {
  height: auto !important; box-shadow: var(--shadow-md);
  border-radius: 4px; background: #fff; pointer-events: none;
}

.pdf-body .tabla-cargando { color: #e7e9ee; }

.pdf-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 26px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.pdf-zoom-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-primary);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.pdf-zoom-btn:hover {
  background: var(--color-primary);
  color: #fff;
}

.pdf-zoom-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-text-secondary);
  min-width: 42px;
  text-align: center;
}

.pdf-zoom-reset {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
}

.pdf-zoom-reset:hover {
  color: var(--color-primary-dark);
}

/* ----------------------------------------------------------------
   Tabla de graduados
   ---------------------------------------------------------------- */
.graduados-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.graduados-table thead th {
  position: sticky;
  top: 0;
  background: var(--color-surface);
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 12px 10px;
  border-bottom: 2px solid var(--color-border);
  z-index: 1;
}

.graduados-table tbody td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  white-space: nowrap;
}

.graduados-table tbody tr {
  transition: background 0.15s var(--ease);
}

.graduados-table tbody tr:hover {
  background: var(--color-row-hover);
}

.graduados-table tbody tr:last-child td {
  border-bottom: none;
}

.col-nombre {
  font-weight: 500;
}

.tabla-vacia,
.tabla-cargando {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13.5px;
  padding: 40px 0;
}

.modal-footer {
  padding: 12px 26px;
  border-top: 1px solid var(--color-border);
  font-size: 12.5px;
  color: var(--color-text-muted);
  background: var(--color-bg);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 640px) {
  .graduados-section {
    padding: 44px 16px 64px;
  }

  .carreras-grid {
    grid-template-columns: 1fr;
  }

  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .graduados_modal {
    max-width: 100%;
    max-height: 92vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  .graduados-table thead th,
  .graduados-table tbody td {
    padding: 10px 8px;
    font-size: 12.5px;
  }
}