/* --- BASE --- */
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  background: #111;
  color: #eee;
}

#app {
  padding: 12px;
  max-width: 1400px;
  margin: 0 auto;
}

/* --- HEADER --- */
header {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #1a1a1a;
  padding: 12px 16px;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

header h1 {
  font-size: 20px;
  margin: 0;
  text-align: center;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: center;
}

.controls label {
  font-size: 16px;
}

#tessera {
  padding: 10px;
  font-size: 18px;
  border-radius: 6px;
  border: 1px solid #333;
  background: #222;
  color: #fff;
  width: clamp(160px, 40vw, 260px);
  text-align: center;
}

/* --- MAIN --- */
main {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 16px;
}

/* --- COMMISSARIO --- */
#commissario {
  flex: 0 0 180px;
  text-align: center;
}

#commissario h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

#commissario .slot {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: #222;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}

/* --- LINEE DI TIRO --- */
#lines {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 10px;
  flex: 1;
}

.slot {
  background: #222;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  text-align: center;
  padding: 20px 0;
  transition: background 0.2s, transform 0.1s;
}

.slot.free {
  background: #1e7b3a;
}

.slot.occupied {
  background: #8b1e1e;
}

.slot:hover {
  transform: scale(1.03);
}

/* --- RESPONSIVE --- */
@media (max-width: 800px) {
  #app {
    padding: 8px;
  }

  header h1 {
    font-size: 18px;
  }

  #commissario {
    flex: 1 1 100%;
    order: -1;
  }

  #commissario .slot {
    height: 80px;
    font-size: 16px;
  }

  #lines {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 8px;
  }

  .slot {
    font-size: 16px;
    padding: 16px 0;
  }
}

@media (max-width: 500px) {
  #lines {
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  }

  #tessera {
    width: 100%;
  }

  header {
    padding: 8px;
  }
}