/* ========================================
   Display Options Widget — Patricia Loto
   Paleta sitio: azul acero #4e7a9e + oscuro #1c1c1c
   ======================================== */

/* Botón flotante */
#display-options-toggle {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  z-index: 9999;
  background-color: #4e7a9e;
  color: #ffffff;
  border: none;
  border-radius: 50px;
  padding: 0.6rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 4px 16px rgba(78, 122, 158, 0.45);
  transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  font-family: inherit;
}

#display-options-toggle:hover {
  background-color: #3d6685;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(78, 122, 158, 0.55);
}

#display-options-toggle:focus-visible {
  outline: 3px solid #4e7a9e;
  outline-offset: 3px;
}

/* Panel */
#display-options-panel {
  position: fixed;
  bottom: 5rem;
  right: 1.5rem;
  z-index: 9998;
  background: #ffffff;
  border: 1px solid #e0d0d8;
  border-radius: 12px;
  padding: 1.2rem 1.4rem 1rem;
  width: 270px;
  box-shadow: 0 8px 32px rgba(112, 37, 82, 0.18);
  font-family: inherit;
  font-size: 0.875rem;

  /* Animación de entrada/salida */
  opacity: 0;
  transform: translateY(10px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

#display-options-panel.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Título del panel */
#display-options-panel h3 {
  margin: 0 0 1rem 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: #4e7a9e;
  border-bottom: 2px solid #d8e8f2;
  padding-bottom: 0.5rem;
  letter-spacing: 0.01em;
}

/* Grupos de control */
.do-group {
  margin-bottom: 0.85rem;
}

.do-group label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: #444;
  margin-bottom: 0.3rem;
}

.do-group label span.do-value {
  font-weight: 400;
  color: #4e7a9e;
  font-size: 0.78rem;
  min-width: 40px;
  text-align: right;
}

/* Sliders */
.do-group input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 4px;
  background: #d8e8f2;
  outline: none;
  cursor: pointer;
}

.do-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #4e7a9e;
  cursor: pointer;
  transition: background 0.15s;
}

.do-group input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #4e7a9e;
  cursor: pointer;
  border: none;
}

/* Selector de fuente */
.do-font-buttons {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.do-font-btn {
  flex: 1;
  padding: 0.3rem 0.4rem;
  font-size: 0.75rem;
  border: 1.5px solid #ddd;
  border-radius: 6px;
  background: white;
  color: #444;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.do-font-btn:hover {
  border-color: #4e7a9e;
  color: #4e7a9e;
}

.do-font-btn.active {
  background: #4e7a9e;
  border-color: #4e7a9e;
  color: white;
  font-weight: 600;
}

/* Botón reset */
#do-reset {
  width: 100%;
  margin-top: 0.8rem;
  padding: 0.45rem;
  background: transparent;
  border: 1.5px solid #4e7a9e;
  border-radius: 6px;
  color: #4e7a9e;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

#do-reset:hover {
  background: #4e7a9e;
  color: white;
}

/* Overlay de "eye strain" */
#do-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9000;
  background: #f5f0e8;
  opacity: 0;
  transition: opacity 0.3s ease;
  mix-blend-mode: multiply;
}

/* Modo oscuro */
@media (prefers-color-scheme: dark) {
  #display-options-panel {
    background: #1e1e1e;
    border-color: #2a3a4a;
    color: #eee;
  }
  #display-options-panel h3 {
    color: #7ab0d4;
    border-color: #2a3a4a;
  }
  .do-group label { color: #ccc; }
  .do-font-btn {
    background: #2a2a2a;
    border-color: #444;
    color: #ccc;
  }
  .do-font-btn.active {
    background: #4e7a9e;
    color: white;
  }
  #do-reset { color: #7ab0d4; border-color: #7ab0d4; }
  #do-reset:hover { background: #4e7a9e; color: white; border-color: #4e7a9e; }
}