/* === Variables === */
:root {
  --color-primary: #0d6efd;
  --color-secondary: #6c757d;
  --color-light: #f9fafb;
  --color-border: #dee2e6;
  --radius-lg: 0.75rem;
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --font-family: 'Inter', sans-serif;
}

/* === Reset === */
body {
  font-family: var(--font-family);
  font-size: 1rem;
  background-color: var(--color-light);
  color: #212529;
}

/* === Cards === */
.card {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* === Forms === */
.form-control,
.form-select {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: border-color 0.2s;
}
.form-control:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

/* === Botones === */
button,
.btn {
  border-radius: var(--radius-lg);
  font-weight: 600;
}
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background-color: #084298;
}
.btn-outline-secondary:hover,
.btn-outline-primary:hover {
  opacity: 0.9;
}

/* === Piscina === */
#piscinaContainer {
  background-color: #e6f7ff;
  border: 2px dashed #007bff;
  border-radius: var(--radius-lg);
  aspect-ratio: 2 / 1;
  width: 100%;
  height: auto;
  max-width: 100%;
  overflow: hidden;
}

#piscina {
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(to right, rgba(0,0,0,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,0,0,0.05) 1px, transparent 1px);
  background-size: 45px 45px;
  display: block;
}

/* === Timeline === */
.timeline-placeholder {
  border: 1px solid #ccc;
  border-radius: var(--radius-lg);
  padding: 1rem;
  background-color: white;
  box-shadow: var(--shadow-md);
  overflow-x: auto;
}
.timeline-placeholder .step {
  min-width: 100px;
  padding: 0.5rem;
  background: white;
  border: 1px solid #ccc;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}
.timeline-placeholder .step:hover {
  background-color: #dbeafe;
}
.step.active {
  background-color: var(--color-primary);
  color: white;
  font-weight: bold;
}

/* === Sugerencias figura === */
#sugerenciasFigura {
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 6px;
  position: absolute;
  width: 100%;
  z-index: 10;
  max-height: 160px;
  overflow-y: auto;
}
#sugerenciasFigura button {
  width: 100%;
  padding: 6px 12px;
  border: none;
  background: none;
  text-align: left;
  font-size: 0.9rem;
  cursor: pointer;
}
#sugerenciasFigura button:hover {
  background-color: #edf6ff;
  font-weight: 500;
}

/* === Audio === */
#waveform {
  height: 80px;
  background: #f1f3f5;
  border-radius: 6px;
}
#audioPlayer {
  display: none;
}

/* === Responsivo === */
@media (max-width: 768px) {
  .timeline-placeholder .step {
    min-width: 80px;
  }
  #piscinaContainer {
    aspect-ratio: 1.5 / 1;
  }
}

/* === Ancho de página controlado === */
main.container-xl {
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}