:root {
  --primary: #005dff;
  --primary-hover: #0046c7;
  --bg: #eef3f8;
  --card: #ffffff;
  --text: #2d3436;
  --border: #d1d8e0;
  --success: #12b886;
  --error: #e03131;
  --warning: #f08c00;
  --radius: 12px;
  --shadow: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 6px 18px rgba(0,0,0,0.12);
  --transition: 0.25s ease;
}

body {
  font-family: "Poppins", "Segoe UI", sans-serif;
  background: var(--bg);
  margin: 0;
  padding: 0;
  color: var(--text);
}

.container {
  max-width: 780px;
  background: var(--card);
  padding: 35px 40px;
  margin: 40px auto;
  border-radius: 16px;
  box-shadow: var(--shadow);
  animation: fadeIn 0.4s ease;
}

h1, h2, h3 {
  color: var(--primary);
  font-weight: 700;
  margin: 0 0 15px;
  text-align: center;
}

label {
  font-weight: 600;
  display: block;
  margin: 14px 0 6px;
}

input[type=text],
input[type=password], /* Aggiunto password */
input[type=file],
textarea,
select { /* Aggiunto select */
  width: 100%;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  font-size: 15px;
  transition: border var(--transition), box-shadow var(--transition);
  box-sizing: border-box; /* Assicura che padding non allarghi l'elemento */
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,93,255,0.15);
  outline: none;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.btn {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 12px 25px;
  border-radius: var(--radius);
  font-size: 16px;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

.btn.primary {
  width: 100%;
  font-size: 18px;
  font-weight: bold;
}

.card {
  background: #f9fbff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 18px 20px;
  margin: 20px 0;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-hover);
}

.option {
  display: block;
  margin: 6px 0;
  padding: 10px 14px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.option:hover {
  background: #f0f5ff;
  border-color: var(--primary);
}

.option input[type="radio"],
.option input[type="checkbox"] {
    width: auto;
    margin-right: 10px;
}

.score {
  font-size: 3rem;
  color: var(--success);
  text-align: center;
  font-weight: 900;
  margin: 20px 0;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.score-inline {
    font-weight: bold;
    color: var(--success);
}

.correct {
  color: var(--success);
  font-weight: bold;
}

.wrong {
  color: var(--error);
  font-weight: bold;
}

.error {
  text-align: center;
  background: var(--error);
  color: #fff;
  padding: 10px;
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.warning {
  text-align: center;
  background: var(--warning);
  color: #fff;
  padding: 10px;
  border-radius: var(--radius);
}

.error-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 50vh;
  padding: 25px;
}

/* Stili per l'area Docente */
.result-card {
    border: 2px solid var(--primary);
    margin-bottom: 30px;
}

.result-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
    margin-bottom: 10px;
}

.question-review {
    border-left: 3px solid var(--border);
    padding-left: 15px;
    margin: 15px 0;
}

.correct-answer {
    color: var(--success);
    font-style: italic;
    font-weight: 600;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  .container {
    padding: 22px 18px;
  }
  .btn.primary {
    font-size: 16px;
  }
  .score {
    font-size: 2.2rem;
  }
}