/* ========== Morse de Picos (aislado en #morse-picos) ========== */
#morse-picos * { box-sizing: border-box; }

#morse-picos {
  font-family: 'Courier Prime', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: #33281E;
}

#morse-picos .container { max-width: 1200px; margin: 0 auto; padding: 20px; }

/* ===== Hero ===== */
#morse-picos .hero-section {
  text-align: center;
  margin-bottom: 28px;
  padding: 28px;
  background: linear-gradient(135deg, #F5F1E6, #EBE5D8);
  border: 6px solid #B87E45;
  border-radius: 14px;
  box-shadow: inset 0 0 24px rgba(0,0,0,.08), 0 8px 20px rgba(0,0,0,.15);
}
#morse-picos .main-title {
  font-family: 'Special Elite', cursive;
  margin: 0 0 10px;
  font-size: clamp(28px, 5vw, 54px);
  color: #8B5C34;
  letter-spacing: 2px;
}
#morse-picos .main-subtitle {
  max-width: 900px;
  margin: 0 auto 18px;
  font-size: 1.05rem;
}

/* ===== Controles ===== */
#morse-picos .controls { display: grid; gap: 12px; margin: 12px 0 16px; }
#morse-picos .control-row {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
#morse-picos #input-text {
  min-width: 280px;
  width: min(900px, 95%);
  padding: 12px 14px;
  border-radius: 8px;
  border: 2px solid #B87E45;
  background: #fff;
  font-size: 1rem;
}
#morse-picos #btn-ejemplos {
  border: 2px solid #8B5C34;
  background: #B87E45;
  color: #FFF8EA;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  transition: transform .15s ease;
}
#morse-picos #btn-ejemplos:hover { filter: brightness(.95); transform: translateY(-1px); }

#morse-picos .sliders { gap: 16px; }
#morse-picos .sliders label {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  background: #fff;
  border: 2px solid #B87E45;
  border-radius: 10px;
  padding: 8px 12px;
}
#morse-picos .sliders input[type="range"] { width: min(260px, 40vw); }
#morse-picos .hint { font-size: .9rem; color: #8B5C34; }
#morse-picos .check { user-select: none; }

/* ===== Caja fija + área de scroll ===== */
#morse-picos .canvas-box { position: relative; }

#morse-picos .canvas-wrap {
  background: #FFFFFF;
  border: 3px solid #B87E45;
  border-radius: 10px;
  padding: 8px;
  height: 360px;
  overflow-y: scroll;   /* barra siempre visible */
  overflow-x: hidden;
  box-shadow: inset 0 0 10px rgba(0,0,0,.06);
}

#morse-picos svg { display: block; width: 100%; }

#morse-picos svg .baseline {
  stroke: #B6B1A8;
  stroke-width: 1.5;
  stroke-dasharray: 4 6;
  opacity: .8;
}
#morse-picos svg .peaks {
  fill: none;
  stroke: #8B5C34;
  stroke-width: 3;
  stroke-linejoin: round;
  stroke-linecap: round;
}

/* ===== Botones fijos de scroll ===== */
#morse-picos .scroll-btn {
  position: absolute;
  right: 6px;
  width: 28px;
  height: 28px;
  display: none;              /* el JS decide cuándo mostrar */
  align-items: center;
  justify-content: center;
  z-index: 5;
  background: #FFFFFF;
  border: 2px solid #B87E45;
  border-radius: 999px;
  box-shadow: 0 1px 4px rgba(0,0,0,.12);
  color: #8B5C34;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  user-select: none;
  padding: 0;
}
#morse-picos .scroll-btn.up   { top: 6px; }
#morse-picos .scroll-btn.down { bottom: 6px; }

/* ===== Botones acción ===== */
#morse-picos .actions {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
#morse-picos .demo-button {
  background: #B87E45;
  color: #FFF8EA;
  border: 3px solid #8B5C34;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 16px;
  border-radius: 8px;
  transition: transform .15s ease, box-shadow .15s ease;
}
#morse-picos .demo-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0,0,0,.18);
}

/* ===== Intro ===== */
#morse-picos .intro-section {
  background: #F5F1E6;
  border: 6px solid #B87E45;
  padding: 18px;
  border-radius: 12px;
}
#morse-picos .section-title {
  font-family: 'Special Elite', cursive;
  color: #8B5C34;
  text-align: center;
  margin: 0 0 10px;
}
#morse-picos .explain {
  max-width: 820px;
  margin: 0 auto;
  padding-left: 18px;
  line-height: 1.6;
}

/* ===== Responsive ===== */
@media (max-width: 520px) {
  #morse-picos .sliders label {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
  }
  #morse-picos .canvas-wrap { height: 300px; }
}