/* ===== Global ===== */
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: #f4f6f9;
  color: #333;
}

/* ===== Header ===== */
header {
  background: linear-gradient(90deg, #1e3a8a, #2563eb);
  color: white;
  padding: 16px;
  text-align: center;
  font-size: 18px;
}

/* ===== Layout ===== */
.container {
  display: flex;
  gap: 24px;
  padding: 24px;
}

/* ===== Cards ===== */
.exam-section,
.proctor-section {
  background: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.exam-section {
  flex: 2;
}

.proctor-section {
  flex: 1;
  text-align: center;
}

/* ===== Question UI ===== */
.question-box {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 20px;
  background: #f9fafb;
  margin-top: 15px;
}

.question-box p {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 15px;
}

/* ===== Options ===== */
.question-box label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  margin-bottom: 10px;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  cursor: pointer;
  background: white;
  transition: all 0.2s ease;
}

.question-box label:hover {
  background: #eff6ff;
  border-color: #2563eb;
}

.question-box input[type="radio"] {
  accent-color: #2563eb;
}

/* ===== Navigation Buttons ===== */
.nav-buttons {
  margin-top: 20px;
  display: flex;
  gap: 10px;
}

button {
  padding: 10px 18px;
  font-size: 14px;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease;
}

button:hover {
  background: #1e40af;
}

button:disabled {
  background: #9ca3af;
  cursor: not-allowed;
}

/* ===== Video ===== */
video {
  width: 100%;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  margin-bottom: 12px;
}

/* ===== Status Box ===== */
.status {
  padding: 12px;
  border-radius: 8px;
  font-weight: 600;
  margin-bottom: 10px;
}

.status.normal {
  background: #dcfce7;
  color: #166534;
}

.status.warning {
  background: #fef3c7;
  color: #92400e;
}

.status.violation {
  background: #fee2e2;
  color: #991b1b;
}

/* ===== Info ===== */
.info p {
  margin: 6px 0;
  font-weight: 600;
}

/* ===== Modal (Exam Report) ===== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(3px);
}

.modal-content {
  background: white;
  padding: 28px;
  margin: 10% auto;
  width: 360px;
  border-radius: 14px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.modal-content h3 {
  margin-top: 0;
  color: #1e3a8a;
}

.modal-content p {
  font-size: 15px;
  margin: 10px 0;
  font-weight: 600;
}

.modal-content button {
  margin-top: 15px;
  width: 100%;
}