/* ClassMind AI - カスタムスタイル */

/* アニメーション */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

.animate-spin { animation: spin 1s linear infinite; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-fadeIn { animation: fadeIn 0.3s ease-out; }

/* ローディングドット */
.loading-dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0%, 20% { content: ''; }
  40% { content: '.'; }
  60% { content: '..'; }
  80%, 100% { content: '...'; }
}

/* カード */
.card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  transition: box-shadow 0.2s;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* ステータスバッジ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* サイドナビ */
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 8px;
  color: #64748b;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
  text-decoration: none;
}

.sidebar-link:hover {
  background: #f1f5f9;
  color: #1e293b;
}

.sidebar-link.active {
  background: #eff6ff;
  color: #2563eb;
}

/* ステップインジケーター */
.step-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* トースト */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  padding: 12px 20px;
  border-radius: 10px;
  background: #1e293b;
  color: white;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  animation: fadeIn 0.3s ease-out;
}

/* プログレスバー */
.progress-bar {
  height: 6px;
  border-radius: 3px;
  background: #e2e8f0;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #3b82f6, #6366f1);
  transition: width 0.5s ease;
}

/* AI処理アニメーション */
.ai-processing {
  background: linear-gradient(90deg, #818cf8, #a78bfa, #818cf8);
  background-size: 200% 100%;
  animation: shimmer 2s linear infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0 !important; }
}

/* スクロールバー */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* タブ */
.tab-btn {
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
  background: transparent;
  color: #64748b;
}

.tab-btn.active, .tab-btn:hover {
  background: white;
  color: #2563eb;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* フォームスタイル */
input, textarea, select {
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

/* ボタンスタイル */
.btn-primary {
  background: #2563eb;
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover { background: #1d4ed8; }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  background: white;
  color: #374151;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid #e5e7eb;
  cursor: pointer;
  transition: background 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover { background: #f9fafb; }

/* Google Meet バッジ */
.meet-badge {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* AI バッジ */
.ai-badge {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}