/* ============================================================
   GALERÍA ACTO DE GRADO — Hoja de estilos
   Identidad visual institucional (NO cambiar nombres de variables)
   ============================================================ */

/* ============ 🎨 CAMBIAR COLOR PRINCIPAL AQUÍ ============ */
/* ============ 📝 CAMBIAR TIPOGRAFÍA AQUÍ ============ */
:root {
  /* ============ 🎨 COLORES ============ */
  --color-primary: #123F85;        /* Azul profundo - principal */
  --color-primary-dark: #0C2F66;   /* Versión oscura del primario */
  --color-accent: #C11734;         /* Rojo - acentos */
  --color-accent-light: #E84A66;   /* Rojo claro */
  --color-bg: #FAF7F2;             /* Crema - fondo general */
  --color-bg-alt: #F2EDE3;         /* Crema alternativo */
  --color-text: #2A2A2A;           /* Texto principal */
  --color-text-soft: #5A5A5A;      /* Texto secundario */
  --color-border: #E5DED1;         /* Bordes suaves */
  --color-success: #4A8B6F;        /* Verde para éxito */
  --color-error: #B85450;          /* Rojo para errores */

  /* ============ 📝 TIPOGRAFÍAS ============ */
  --font-display: 'Montserrat', -apple-system, sans-serif;
  --font-body: 'Montserrat', -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
}

/* >>> CAMBIAR FONDO AQUÍ <<<
   Decoración sutil con radial-gradients de la paleta */
.fondo-decorativo {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(600px 400px at 8% -5%, rgba(18, 63, 133, 0.08), transparent 60%),
    radial-gradient(500px 350px at 100% 0%, rgba(193, 23, 52, 0.05), transparent 55%),
    radial-gradient(700px 500px at 50% 110%, rgba(18, 63, 133, 0.06), transparent 60%),
    var(--color-bg);
}

/* >>> MARCA DE AGUA DEL ESCUDO <<<
   El águila institucional (sin el anillo azul) como marca de agua
   sutil en el fondo de todas las pantallas.
   - Cambiar imagen: assets/img/aguila-marca.png
   - Intensidad: ajustar opacity (0.04 = muy tenue, 0.10 = más visible) */
.fondo-decorativo::after {
  content: '';
  position: fixed;
  inset: 0;
  background: url('../img/aguila-marca.png') no-repeat center 46%;
  background-size: min(72vmin, 620px);
  opacity: 0.05;
  pointer-events: none;
}

img { max-width: 100%; display: block; }
a { color: var(--color-primary); }
code {
  background: var(--color-bg-alt);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.85em;
  word-break: break-all;
}

/* ============ ANIMACIONES (suaves) ============ */
@keyframes aparecer {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.aparece { animation: aparecer 0.5s ease both; }

/* ============ ESTRUCTURA ============ */
.centro {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.contenedor {
  flex: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

/* ============ TARJETAS ============ */
.tarjeta {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow: 0 8px 28px rgba(18, 63, 133, 0.07);
  padding: 24px;
  margin-bottom: 20px;
}
.tarjeta h2 { font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 8px; color: var(--color-primary-dark); }

/* ============ PANTALLA DE ACCESO ============ */
.tarjeta-login { width: 100%; max-width: 460px; padding: 36px 32px; }
.login-cabecera { text-align: center; margin-bottom: 18px; }
.logo { width: 76px; height: 76px; margin: 0 auto 12px; }
.logo-mini { width: 40px; height: 40px; }
.sobretitulo {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-accent);
}
.tarjeta-login h1 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.25;
  margin: 4px 0;
}
.subtitulo { color: var(--color-text-soft); font-size: 0.88rem; }
.texto-bienvenida {
  font-size: 0.92rem;
  color: var(--color-text-soft);
  text-align: center;
  margin-bottom: 18px;
}

/* ============ FORMULARIOS ============ */
.formulario label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin: 14px 0 6px;
  color: var(--color-primary-dark);
}
.formulario input,
.filtros input,
.filtros select,
.selector-en-linea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.formulario input:focus, .filtros input:focus, .filtros select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(18, 63, 133, 0.12);
}

/* ============ BOTONES ============ */
.boton {
  display: inline-block;
  border: none;
  border-radius: 12px;
  padding: 12px 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
}
.boton:active { transform: scale(0.98); }
.boton-principal {
  width: auto;
  background: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(18, 63, 133, 0.25);
}
.formulario .boton-principal { width: 100%; margin-top: 20px; }
.boton-principal:hover { background: var(--color-primary-dark); }
.boton-secundario {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  border: 1.5px solid var(--color-border);
}
.boton-secundario:hover { background: var(--color-border); }
.boton-borde {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.boton-borde:hover { background: rgba(18, 63, 133, 0.06); }
.boton-mini { padding: 7px 14px; font-size: 0.8rem; border-radius: 9px; }

/* ============ ALERTAS ============ */
.alerta {
  border-radius: 12px;
  padding: 13px 16px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.alerta-error {
  background: rgba(184, 84, 80, 0.1);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}
.alerta-exito {
  background: rgba(74, 139, 111, 0.12);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}
.alerta-aviso {
  background: rgba(193, 23, 52, 0.06);
  border: 1px solid var(--color-accent-light);
  color: var(--color-accent);
  font-weight: 600;
}

/* Vista previa del correo (panel de coordinación) */
.correo-previa {
  background: var(--color-bg);
  border: 1.5px dashed var(--color-border);
  border-radius: 14px;
  padding: 18px 20px;
  margin-top: 14px;
}
.correo-previa .correo-asunto {
  font-weight: 700;
  color: var(--color-primary-dark);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
  margin-bottom: 10px;
  font-size: 0.92rem;
}
.correo-previa pre {
  white-space: pre-wrap;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.65;
}
.botones-envio { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

/* ============ BARRA SUPERIOR ============ */
.barra {
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(18, 63, 133, 0.05);
  position: sticky;
  top: 0;
  z-index: 20;
}
.barra-interior {
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.barra-marca { display: flex; align-items: center; gap: 12px; }
.barra-marca strong { font-family: var(--font-display); color: var(--color-primary-dark); display: block; line-height: 1.2; }
.barra-sub { font-size: 0.75rem; color: var(--color-text-soft); display: block; }
.barra-usuario { display: flex; align-items: center; gap: 10px; }
.barra-menu { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.enlace-menu {
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-text-soft);
  padding: 8px 12px;
  border-radius: 9px;
}
.enlace-menu:hover { background: var(--color-bg-alt); color: var(--color-primary); }
.enlace-menu.activo { background: var(--color-primary); color: #FFFFFF; }
.chip {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-primary-dark);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.78rem;
  font-weight: 600;
}

/* ============ SALUDO ============ */
.saludo { margin: 8px 0 20px; }
.saludo h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-primary-dark);
}
.saludo p { color: var(--color-text-soft); font-size: 0.94rem; max-width: 720px; }

/* ============ PESTAÑAS ============ */
.pestanas {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.pestana {
  border: 1.5px solid var(--color-border);
  background: #FFFFFF;
  border-radius: 999px;
  padding: 9px 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-text-soft);
  cursor: pointer;
  transition: all 0.2s;
}
.pestana:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pestana.activa { background: var(--color-primary); border-color: var(--color-primary); color: #FFFFFF; }
.pestana .conteo {
  background: rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  font-size: 0.75rem;
  padding: 1px 8px;
  margin-left: 4px;
}
.pestana:not(.activa) .conteo { background: var(--color-bg-alt); }
.panel { display: none; }
.panel.activa { display: block; }
.acciones-panel { margin-bottom: 14px; display: flex; justify-content: flex-end; }

/* ============ CUADRÍCULA DE FOTOS ============ */
.cuadricula {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}
.foto-tarjeta {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(18, 63, 133, 0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}
.foto-tarjeta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(18, 63, 133, 0.12);
}
.foto-tarjeta a { display: block; }
.foto-tarjeta img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-bg-alt);
}
.foto-tarjeta figcaption {
  padding: 10px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.foto-nombre {
  font-size: 0.75rem;
  color: var(--color-text-soft);
  word-break: break-all;
  line-height: 1.35;
}
.etiqueta {
  align-self: flex-start;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 999px;
  padding: 2px 9px;
}
.etiqueta-titulos { background: rgba(18, 63, 133, 0.12); color: var(--color-primary-dark); }
.etiqueta-oficiales { background: rgba(18, 63, 133, 0.1); color: var(--color-primary); }
.etiqueta-familiar { background: rgba(90, 90, 90, 0.12); color: var(--color-text-soft); }
.etiqueta-grupal { background: rgba(74, 139, 111, 0.14); color: var(--color-success); }
.etiqueta-merito,
.etiqueta-merito_grupal { background: rgba(193, 23, 52, 0.1); color: var(--color-accent); }

/* Árbol de carpetas en la pantalla de sincronización */
.arbol {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px 18px;
  font-family: 'Courier New', monospace;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--color-text);
  overflow-x: auto;
  margin: 12px 0;
}
.arbol strong { color: var(--color-primary-dark); }
.arbol em { color: var(--color-text-soft); font-style: normal; }

/* ============ ESTADOS VACÍOS ============ */
.vacio { text-align: center; padding: 40px 20px; }
.vacio-icono { font-size: 2.4rem; margin-bottom: 10px; }
.vacio p { color: var(--color-text-soft); max-width: 460px; margin: 0 auto; }

/* ============ CIFRAS / RESUMEN ============ */
.cifras {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.cifra {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 14px 16px;
  text-align: center;
}
.cifra strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-primary-dark);
}
.cifra span { font-size: 0.76rem; color: var(--color-text-soft); }
.cifra.ok strong { color: var(--color-success); }
.cifra.aviso strong { color: var(--color-accent); }
.cifra.alerta-suave strong { color: var(--color-text-soft); }

/* ============ FILTROS ============ */
.filtros { padding: 16px 20px; }
.fila-filtros {
  display: flex;
  gap: 14px;
  align-items: flex-end;
  flex-wrap: wrap;
}
.fila-filtros > div { min-width: 170px; flex: 1; }
.fila-filtros label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 5px;
}
.filtros-acciones { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.fila-acciones { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-top: 12px; }
.fila-acciones form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.selector-en-linea { width: auto; padding: 10px 12px; }
.en-linea { display: inline; }

/* ============ TABLAS ============ */
.tabla-envoltura { overflow-x: auto; }
.tabla { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
.tabla th {
  text-align: left;
  font-family: var(--font-display);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-soft);
  border-bottom: 2px solid var(--color-border);
  padding: 10px 12px;
  white-space: nowrap;
}
.tabla td { padding: 10px 12px; border-bottom: 1px solid var(--color-border); }
.tabla tbody tr:hover { background: var(--color-bg); }

.estado { font-weight: 600; font-size: 0.8rem; white-space: nowrap; }
.estado-ok { color: var(--color-success); }
.estado-aviso { color: var(--color-accent); }
.estado-pendiente { color: var(--color-text-soft); }

.enlace { font-size: 0.82rem; font-weight: 600; }
.enlace-volver { display: inline-block; margin-bottom: 10px; font-size: 0.85rem; font-weight: 600; text-decoration: none; }
.texto-suave { color: var(--color-text-soft); font-size: 0.9rem; }
.titulo-alerta { color: var(--color-accent); font-size: 0.95rem; margin: 18px 0 8px; }
.lista-simple { margin-left: 20px; font-size: 0.85rem; color: var(--color-text-soft); }
.lista-simple li { margin-bottom: 4px; }

/* Lista de fotos por resolver, con su selector de estudiante */
.lista-resolver { list-style: none; margin: 10px 0; }
.lista-resolver li {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg);
  margin-bottom: 8px;
  font-size: 0.85rem;
}
.form-alias { display: flex; gap: 8px; align-items: center; margin-left: auto; }

/* Selector de sección dentro del listado de estudiantes */
.form-seccion select {
  padding: 5px 8px;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  background: #FFFFFF;
  color: var(--color-text);
  cursor: pointer;
}
.form-seccion select:hover { border-color: var(--color-primary); }

/* Ficha del estudiante en la vista previa */
.ficha-cabecera {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  flex-wrap: wrap;
}
.ficha-navegacion { display: flex; gap: 8px; }
.credenciales-caja {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 12px 16px;
  margin-top: 14px;
  font-size: 0.88rem;
}
.credenciales-caja code {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 5px 10px;
  border-radius: 8px;
  font-size: 0.85rem;
}

/* Importación de listas */
.area-csv {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: 12px;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  background: var(--color-bg);
  color: var(--color-text);
  resize: vertical;
}
.area-csv:focus { outline: none; border-color: var(--color-primary); }
.casilla {
  display: block;
  font-size: 0.86rem;
  color: var(--color-text-soft);
  margin-bottom: 12px;
  cursor: pointer;
}
.casilla input { margin-right: 6px; }

/* Zona de acciones irreversibles */
.zona-peligro { border-color: var(--color-accent-light); }
.zona-peligro h2 { color: var(--color-accent); }
.zona-peligro input[type="text"] {
  padding: 10px 12px;
  border: 1.5px solid var(--color-accent-light);
  border-radius: 10px;
  font-family: var(--font-body);
  margin: 8px 10px 8px 0;
  max-width: 260px;
}
.boton-peligro {
  background: var(--color-accent);
  color: #FFFFFF;
}
.boton-peligro:hover { background: #9E1029; }
.form-alias select {
  padding: 8px 10px;
  border: 1.5px solid var(--color-border);
  border-radius: 9px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  background: #FFFFFF;
  max-width: 320px;
}
.nota-limite { text-align: center; color: var(--color-text-soft); font-size: 0.85rem; margin-top: 16px; }

/* ============ PIE DE PÁGINA ============ */
.pie {
  text-align: center;
  padding: 22px 16px;
  color: var(--color-text-soft);
  font-size: 0.78rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

/* ============ RESPONSIVE (mobile-first) ============ */
@media (max-width: 600px) {
  .tarjeta { padding: 18px; }
  .tarjeta-login { padding: 26px 20px; }
  .cuadricula { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .barra-interior { padding: 10px 12px; }
  .saludo h1 { font-size: 1.2rem; }
  .fila-filtros > div { min-width: 100%; }
}