/* General Resets and Font */
:root {
  --primary-color: #ff4b81;
  --background-color: #121212;
  --surface-color: #1E1E1E;
  --text-color: #E0E0E0;
  --border-color: #333;
  --action-color: #8e65ff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 20px;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 20px 20px;
}

button,
select {
  font-family: inherit;
}

.content-wrap {
    flex-grow: 1; 
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
}

header {
  text-align: center;
  margin-bottom: 30px;
  width: 100%;
}

header h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 2px;
}

header p {
  font-size: 1.1rem;
  color: var(--text-color);
  opacity: 0.7;
}

/* ## MODIFICA CHIAVE: Layout dei Controlli ## */
.controls {
  display: flex;
  flex-direction: column; /* Impila le righe verticalmente */
  gap: 15px; /* Spazio TRA le righe */
  background-color: var(--surface-color);
  padding: 25px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

/* Nuova regola per le righe */
.controls-row {
  display: flex;
  gap: 20px; /* Spazio TRA gli elementi nella riga */
  align-items: flex-end; /* Allinea gli elementi in basso */
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1; /* Fa sì che i gruppi riempiano lo spazio */
}

/* Regola specifica per allineare il gruppo del metronomo */
#metronome-group {
    flex-grow: 0; /* Impedisce al gruppo di espandersi */
    padding-bottom: 12px; /* Solleva leggermente la checkbox per un allineamento perfetto */
}

.control-group select {
  background-color: #333;
  color: var(--text-color);
  border: 1px solid #555;
  padding: 10px;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.control-group select:hover {
  border-color: var(--primary-color);
}

.control-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(212, 0, 71, 0.3);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: transform 0.1s, background-color 0.2s;
  flex-grow: 1;
}

button:active {
  transform: scale(0.97);
}

button .fa-solid {
  font-size: 0.9em;
}

.action-btn {
  background-color: var(--primary-color);
  color: #111;
}

.action-btn:hover {
  background-color: var(--action-color);
}

#downloadBtn {
  background-color: var(--background-color);
  color: var(--text-color);
  border: 1px solid var(--primary-color);
}

#downloadBtn:hover {
  background-color: #353535;
}

/* ## MODIFICA CHIAVE: Stile Checkbox ## */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  /* Rimosso il 'padding-top' che non serve più */
}

input[type="checkbox"] {
  width: 1.2em;
  height: 1.2em;
  accent-color: var(--primary-color);
  cursor: pointer;
}

footer {
    width: 100%;
    padding: 20px 0;
    text-align: center;
}

.copyright {
    font-size: 0.9rem;
    opacity: 0.6;
}

@media (max-width: 600px) {
  body {
      padding: 15px;
      display: block; 
      min-height: auto;
  }
  
  .content-wrap {
      flex-grow: 0;
      justify-content: flex-start;
  }

  /* Impila i controlli su mobile */
  .controls-row {
    flex-direction: column;
    align-items: stretch; /* Elementi a tutta larghezza */
    gap: 15px;
  }

  #metronome-group {
      padding-bottom: 0;
  }
  
  .actions {
      flex-direction: column;
  }

  header h1 {
      font-size: 2.5rem;
  }
}

/* Allinea la checkbox, l'icona e il testo sulla stessa riga */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px; /* Spazio tra gli elementi */
  cursor: pointer;
}

/* Definisce lo stile dell'icona del metronomo */
/* Stile per la nuova icona SVG del metronomo */
.metronome-icon {
  width: 22px;
  height: 22px;
  
  /* Proprietà per lo stile "outline" */
  fill: none;
  stroke: #A0A0A0; /* Colore della linea */
  stroke-width: 2.5; /* Spessore della linea */
  stroke-linecap: round;
  stroke-linejoin: round;
  
  transition: stroke 0.2s;
}

/* Cambia colore dell'icona quando si passa il mouse sopra la label */
.checkbox-label:hover .metronome-icon {
  stroke: var(--primary-color);
}

/* Stile per la barra di progresso */
.progress-bar-container {
  width: 100%;
  max-width: 800px;
  background-color: var(--surface-color);
  border-radius: 4px;
  margin-top: 20px;
  height: 8px;
  overflow: hidden;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background-color: var(--primary-color);
  transition: width 0.1s linear;
}

/* Stile per i pulsanti disabilitati */
button:disabled {
  background-color: #555;
  color: #999;
  cursor: not-allowed;
  transform: none;
}
button:disabled .fa-solid {
  color: #999;
}


/* Stile per le notifiche non invasive */
.notification {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--action-color);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 1000;
}

.notification.show {
  opacity: 1;
  visibility: visible;
}

/* Stili per la Sezione Contenuti SEO */
.content-section {
  max-width: 800px;
  margin: 40px auto 20px auto;
  padding: 0 20px;
  color: var(--text-color);
  opacity: 0.8;
  line-height: 1.6;
}
.content-section h2 {
  color: var(--primary-color);
  margin-bottom: 10px;
  margin-top: 20px;
}
.content-section p, .content-section ol {
  margin-bottom: 15px;
}
.content-section ol {
  padding-left: 20px;
}