/* ===================== ESTILOS GENERALES ===================== */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f9f9f9;
    margin: 0;
    padding: 0;
    text-align: center;
    user-select: none;
}

header {
    background-color: var(--color-principal, #0f285c);
    color: white;
    padding: 5px 0;
    font-size: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* ===================== VARIABLES DE COLOR ===================== */
:root {
  --color-principal: #0f285c; /* El Diario (por defecto) */
}

body.m-eldiario { --color-principal: #0f285c; }
body.m-lamarea  { --color-principal: #FF6633; }
body.m-centro   { --color-principal: #ED0000; }
body.m-suplementos { --color-principal: #7B3FA0; }

/* ===================== CONTROLES DE MEDIO Y CALENDARIO ===================== */
#controles {
  display: block;
  margin: 16px auto 8px;
  padding: 16px;
  max-width: 1000px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  animation: fadeIn 0.6s ease;
  text-align: left;
}

#medio-group {
  border: 0;
  margin: 0 0 10px 0;
  padding: 0;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

#medio-group legend {
  font-size: 1rem;
  color: var(--color-principal);
  margin-bottom: 6px;
}

#medio-group label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f7f9fc;
  border: 1px solid #e8eef8;
  color: #1d2b4f;
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  user-select: none;
}

#medio-group label:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.08);
}

/* Radios personalizados */
#medio-group input[type="radio"] {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-principal);
  border-radius: 50%;
  position: relative;
  background: #fff;
  cursor: pointer;
  transition: border-color .2s ease, box-shadow .2s ease;
}

#medio-group input[type="radio"]:checked {
  border-color: var(--color-principal);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-principal) 30%, white);
}

#medio-group input[type="radio"]:checked::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--color-principal);
  border-radius: 50%;
}

/* Fila del calendario + botones */
#controles > div {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

#controles label[for="fecha-edicion"] {
  font-weight: 600;
  color: var(--color-principal);
}

/* Input date estilizado */
#fecha-edicion {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #d9e1ef;
  background: #ffffff;
  font-size: 15px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.06);
  outline: none;
  transition: box-shadow .2s ease, border-color .2s ease, transform .08s ease;
}

#fecha-edicion:hover {
  transform: translateY(-1px);
}

#fecha-edicion:focus {
  border-color: var(--color-principal);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-principal) 30%, white);
}

#fecha-edicion::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: .8;
}

/* Botones día anterior/siguiente */
#prev-day, #next-day {
  background: var(--color-principal);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  width: 40px;
  height: 40px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(0,0,0,0.18);
  transition: transform .15s ease, background .2s ease;
}

#prev-day:hover, #next-day:hover {
  background: color-mix(in srgb, var(--color-principal) 80%, black);
  transform: translateY(-1px) scale(1.03);
}

/* Botón Abrir edición */
#abrir-edicion {
  background: var(--color-principal);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(0,0,0,0.18);
  transition: transform .15s ease, background .2s ease;
}

#abrir-edicion:hover {
  background: color-mix(in srgb, var(--color-principal) 80%, black);
  transform: translateY(-1px);
}

#abrir-edicion:disabled {
  background: #c6cde0;
  cursor: not-allowed;
  box-shadow: none;
}

/* Texto de ayuda */
#ayuda-fecha {
  color: #5a6787;
  font-size: .9rem;
  margin-top: 6px;
}

/* ===================== VISOR PDF ===================== */
#visor-container {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 20px auto;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    animation: fadeIn 0.6s ease;
}

#pdf-canvas {
    width: 100%;
    background: white;
}

/* Indicador de carga */
#loading-indicator {
    display: none;
    margin: 20px;
    color: var(--color-principal);
    font-weight: bold;
}

/* ===================== NAVEGACIÓN DE PÁGINAS ===================== */
#page-controls {
    position: relative;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    z-index: 10;
    animation: fadeIn 0.6s ease;
    border-radius: 16px;
    padding: 10px 20px;
    width: fit-content;
    margin: 20px auto;
}

.nav-arrow {
    background-color: var(--color-principal);
    color: white;
    border: none;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    font-size: 22px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 6px 14px rgba(0,0,0,0.2);
    transition: all 0.2s ease;
}

.nav-arrow:hover {
    background-color: color-mix(in srgb, var(--color-principal) 80%, black);
    transform: scale(1.1);
}

#page-num {
    background: #ffffff;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 1.2rem;
    border: 2px solid var(--color-principal);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* ===================== BOTÓN CAMBIAR EDICIÓN ===================== */
#cambiar-edicion {
    background-color: var(--color-principal);
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
    margin-top: 12px;
}

#cambiar-edicion:hover {
    background-color: color-mix(in srgb, var(--color-principal) 80%, black);
}

/* ===================== ZOOM OPCIONAL ===================== */
#zoom-controls {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

#zoom-controls button {
    padding: 8px 16px;
    font-size: 16px;
    border: none;
    border-radius: 6px;
    background-color: var(--color-principal);
    color: white;
    cursor: pointer;
    transition: background 0.3s;
}

#zoom-controls button:hover {
    background-color: color-mix(in srgb, var(--color-principal) 80%, black);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {
    #controles {
        width: 92%;
        padding: 12px;
    }

    #medio-group label {
        padding: 8px 10px;
    }

    #abrir-edicion {
        width: 100%;
        justify-content: center;
    }

    #visor-container {
        width: 95%;
    }

    .nav-arrow {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }

    #page-num {
        font-size: 1rem;
        padding: 8px 14px;
    }
}

/* ===================== ANIMACIONES ===================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}