/* ========================================================
   考试登录覆盖层样式
   ======================================================== */
.exam-login-wrap {
  position: relative;
}

.exam-login-banner {
  background: linear-gradient(135deg, #1565c0 0%, #1976d2 100%);
  color: #fff;
  border-radius: 10px;
  padding: 28px 24px;
  text-align: center;
  margin: 24px 0;
}

.exam-login-banner h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: #fff;
}

.exam-login-banner p {
  font-size: .9rem;
  opacity: .88;
  margin-bottom: 18px;
  color: #fff;
}

.exam-login-btn {
  display: inline-block;
  background: #fff;
  color: #1565c0;
  font-weight: bold;
  font-size: 1rem;
  padding: 10px 28px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
  transition: box-shadow .2s, transform .1s;
}

.exam-login-btn:hover {
  box-shadow: 0 4px 14px rgba(0,0,0,.22);
  transform: translateY(-1px);
}

.exam-quiz-overlay {
  position: relative;
}

.exam-quiz-mask {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(3px);
  border-radius: 8px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.exam-status-bar {
  background: #e8f5e9;
  border: 1px solid #a5d6a7;
  border-radius: 8px;
  padding: 12px 18px;
  margin-bottom: 16px;
  font-size: .92rem;
  color: #2e7d32;
  display: flex;
  align-items: center;
  gap: 10px;
}

.exam-submitted-banner {
  background: #e8f5e9;
  border: 1px solid #a5d6a7;
  border-radius: 10px;
  padding: 24px;
  text-align: center;
  margin: 24px 0;
}

.exam-submitted-banner .score-big {
  font-size: 2.4rem;
  font-weight: bold;
  color: #1565c0;
  line-height: 1;
}

.exam-submitted-banner .score-label {
  font-size: .9rem;
  color: #888;
  margin-top: 6px;
}

.exam-submitted-banner .submitted-time {
  font-size: .85rem;
  color: #aaa;
  margin-top: 4px;
}

/* ── Modal ── */
.exam-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.exam-modal {
  background: #fff;
  border-radius: 12px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
  overflow: hidden;
}

.exam-modal-header {
  background: #1565c0;
  color: #fff;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.exam-modal-header h3 {
  font-size: 1rem;
  color: #fff;
}

.exam-modal-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  opacity: .8;
}

.exam-modal-close:hover { opacity: 1; }

.exam-modal-body { padding: 20px; }

.exam-modal-body label {
  display: block;
  font-size: .88rem;
  color: #555;
  margin-bottom: 6px;
}

.exam-modal-body input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
  margin-bottom: 10px;
}

.exam-modal-body input:focus {
  outline: none;
  border-color: #1565c0;
  box-shadow: 0 0 0 3px rgba(21,101,192,.1);
}

.exam-candidate-list {
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  max-height: 200px;
  overflow-y: auto;
  margin-bottom: 12px;
}

.exam-candidate-item {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid #f5f5f5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background .15s;
}

.exam-candidate-item:last-child { border-bottom: none; }
.exam-candidate-item:hover { background: #e3f2fd; }
.exam-candidate-item.selected { background: #e3f2fd; border-left: 3px solid #1565c0; }

.exam-cand-name { font-weight: bold; }
.exam-cand-meta { font-size: .82rem; color: #888; }

.exam-confirm-btn {
  width: 100%;
  padding: 11px;
  background: #1565c0;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background .2s;
}

.exam-confirm-btn:hover:not(:disabled) { background: #0d47a1; }
.exam-confirm-btn:disabled { background: #aaa; cursor: not-allowed; }

.exam-modal-hint {
  font-size: .82rem;
  color: #888;
  text-align: center;
  margin-top: 10px;
}

.exam-modal-msg {
  padding: 10px 14px;
  border-radius: 6px;
  font-size: .9rem;
  margin-bottom: 10px;
}

.exam-modal-msg.error { background: #ffebee; color: #c62828; }
.exam-modal-msg.info  { background: #e3f2fd; color: #1565c0; }