/* ===== VARIABLES ===== */
:root {
  --cyan: #009fe3;
  --cyan-dark: #007bb8;
  --text: #565656;
  --bg: #f4f4f4;
  --border: #dcdcdc;
}

/* ===== CONFIGURACIÓN GENERAL ===== */
body {
  margin: 0;
  font-family: 'Lato', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===== ENCABEZADO ===== */
.encabezado {
  background-color: #ffffff;
  color: var(--text);
  padding: 20px 20px 20px 60px;
  text-align: left;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  font-weight: 700;
  position: relative;
}

/* Botón de volver arriba a la izquierda */
.btn-volver {
  position: absolute;
  left: 20px;
  top: 18px;
  background-color: var(--cyan);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  transition: background-color 0.3s ease;
  text-decoration: none;
}
.btn-volver:hover {
  background-color: var(--cyan-dark);
}

/* ===== ESTRUCTURA PRINCIPAL ===== */
.contenido {
  flex: 1;
  padding: 20px;
}

.layout {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: flex-start;
}

/* ===== FILTROS ===== */
.filtros-laterales {
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  width: 270px;
  color: var(--text);
}

.filtros-laterales h2,
.filtros-laterales h3 {
  color: var(--text);
  margin-bottom: 10px;
}

.filtros-laterales label {
  color: var(--text);
  font-weight: 500;
  display: block;
  margin: 6px 0;
}

.filtros-laterales input[type="checkbox"] {
  margin-right: 6px;
}

#limpiar-filtros {
  background-color: var(--cyan);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  margin-top: 15px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background-color 0.3s ease;
}
#limpiar-filtros:hover {
  background-color: var(--cyan-dark);
}

/* ===== CONTENIDO PRINCIPAL ===== */
.contenido-principal {
  flex: 1;
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  min-height: 650px;
  color: var(--text);
}

/* ===== TARJETAS ===== */
.contenedor-tarjetas {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}

.tarjeta {
  background-color: #ffffff;
  color: var(--text);
  font-weight: 600;
  padding: 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--cyan);
  box-shadow: none;
  width: 300px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.tarjeta:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

/* Color de franja según días restantes */
.tarjeta-amarilla {
  border-left: 5px solid #ffc107 !important;
}
.tarjeta-roja {
  border-left: 5px solid #dc3545 !important;
}

/* Títulos y texto dentro de tarjetas */
.tarjeta h3 {
  font-size: 1.1rem;
  margin: 0 0 0.6rem 0;
  font-weight: 800; /* más negrita */
  color: var(--text);
  text-transform: capitalize;
  letter-spacing: 0.2px;
}

.tarjeta p {
  color: var(--text);
  font-weight: 600;
  margin: 0.3rem 0;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* Botón “Ver más” dentro de tarjetas */
.btn-link {
  display: inline-block;
  margin-top: 0.5rem;
  color: white;
  background: var(--cyan);
  padding: 0.4rem 0.8rem;
  text-decoration: none;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 700;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-link:hover {
  background: var(--cyan-dark);
  transform: scale(1.05);
}

/* ===== PIE DE PÁGINA ===== */
.footer {
  text-align: center;
  padding: 15px;
  background-color: #ffffff;
  font-size: 14px;
  color: var(--text);
  border-top: 1px solid var(--border);
  font-weight: 600;
  margin-top: 40px;
}

/* ===== ENCABEZADO ===== */
.encabezado {
  position: sticky;
  top: 0;
  background-color: #ffffff;
  color: #565656;
  padding: 10px 20px;
  border-bottom: 2px solid #009fe3;
}

/* ===== BARRA SUPERIOR ===== */
.barra-superior {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== BOTÓN DE VOLVER ===== */
.btn-volver {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  background-color: #009fe3;
  color: white;
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-volver:hover {
  background-color: #007bb8;
  transform: translateY(-50%) scale(1.05);
}

/* ===== TÍTULO PRINCIPAL ===== */
.barra-superior h1 {
  margin: 0;
  text-align: center;
  font-weight: 800;
  font-size: 1.6rem;
  color: #565656;
}

/* ===== BUSCADOR ===== */
.buscador {
  margin-bottom: 20px;
  position: sticky;
  top: 0;
  background: #ffffff;
  padding: 10px 0;
  z-index: 10;
  border-bottom: 1px solid #dcdcdc;
}

#buscador-texto {
  width: 90%;
  padding: 8px 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: 'Lato', sans-serif;
  font-size: 15px;
  color: #565656;
  outline: none;
  transition: all 0.3s ease;
}

#buscador-texto:focus {
  border-color: #009fe3;
  box-shadow: 0 0 4px rgba(0,159,227,0.3);
}