/* =====================================================
   ログイン画面
   ===================================================== */
.container-login {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-box {
  background: white;
  border-radius: 15px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  padding: 40px;
  max-width: 400px;
  width: 100%;
  animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-box h2 {
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
  font-size: 28px;
  font-weight: 700;
}

.login-box .text-muted {
  font-size: 14px;
  margin-bottom: 25px;
}

.login-box .btn-primary {
  background: linear-gradient(135deg, #667eea, #764ba2);
  border: none;
  padding: 12px;
  font-weight: 600;
}

.login-box .btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* =====================================================
   アプリメイン画面
   ===================================================== */
.app-container {
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.app-container .navbar {
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.app-container .navbar-brand {
  font-size: 20px;
  font-weight: 700;
}

.app-container .list-group-item {
  border: 1px solid #e0e0e0;
  cursor: pointer;
  transition: all 0.3s;
}

.app-container .list-group-item:hover {
  background: #f8f9fa;
  border-color: #667eea;
  color: #667eea;
}

.app-container .list-group-item.active {
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-color: #667eea;
  color: white;
}

.tab-content {
  animation: fadeIn 0.3s ease-out;
}

.card {
  border: 1px solid #e0e0e0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  margin-bottom: 20px;
}

.card-header {
  border-bottom: 2px solid rgba(255,255,255,0.2);
}

.card-body {
  padding: 30px;
}

.badge {
  font-size: 12px;
  padding: 6px 12px;
}

/* =====================================================
   フォーム
   ===================================================== */
.form-control {
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  padding: 10px 14px;
  transition: all 0.3s;
}

.form-control:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* =====================================================
   ボタン
   ===================================================== */
.btn {
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s;
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}