/* ========================================
   New Header Design (통합 툴바)
   ======================================== */
.header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--spacing-2) var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  width: 100%;
}

/* Header Left - View Toggle */
.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex: 1;
  justify-content: flex-start;
}

/* Header Center - Navigation */
.header-center {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex: 1;
  justify-content: center;
}

.nav-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
}

.nav-btn:hover {
  background-color: var(--color-gray-100);
  color: var(--color-black);
}

.nav-btn:active {
  background-color: var(--color-gray-200);
}

.today-btn {
  padding: var(--spacing-2) var(--spacing-4);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: 20px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-black);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.today-btn:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-400);
}

.today-btn:active {
  background-color: var(--color-gray-200);
}

.page-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
  margin: 0;
  white-space: nowrap;
}

/* Header Right - Actions */
.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-2);
  flex: 1;
}

.login-section,
.user-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--color-gray-200);
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-300);
  color: var(--color-black);
}

.icon-btn:active {
  background-color: var(--color-gray-200);
}

.icon-btn-primary {
  background-color: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

.icon-btn-primary:hover {
  background-color: var(--color-gray-800);
  border-color: var(--color-gray-800);
  color: var(--color-white);
}

.icon-btn-primary:active {
  background-color: var(--color-gray-700);
}

/* ========================================
   Toolbar (더 이상 사용 안함 - header에 통합)
   ======================================== */
.toolbar {
  display: none;
}

.toolbar-content {
  display: none;
}

/* Period Tabs - Pill Style */
.period-tabs {
  display: flex;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 24px;
  padding: 3px;
  gap: 2px;
}

.period-tab {
  padding: var(--spacing-2) var(--spacing-4);
  background: none;
  border: none;
  border-radius: 20px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.period-tab:hover {
  color: var(--color-black);
  background-color: var(--color-gray-100);
}

.period-tab.active {
  background-color: var(--color-black);
  color: var(--color-white);
}

/* Custom Date Range */
.custom-date-range {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
}

.date-input {
  padding: var(--spacing-1) var(--spacing-2);
  border: 1px solid var(--color-gray-200);
  border-radius: 6px;
  font-size: var(--font-size-sm);
  color: var(--color-black);
  background-color: var(--color-white);
}

.date-input:focus {
  outline: none;
  border-color: var(--color-black);
}

.date-separator {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
}

.apply-btn {
  padding: var(--spacing-1) var(--spacing-3);
  background-color: var(--color-black);
  color: var(--color-white);
  border: none;
  border-radius: 6px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.apply-btn:hover {
  background-color: var(--color-gray-800);
}

/* View Toggle - Icon Style */
.view-toggle {
  display: flex;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
  overflow: hidden;
}

.view-toggle .view-tab {
  width: 40px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-right: 1px solid var(--color-gray-200);
  color: var(--color-gray-500);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.view-toggle .view-tab:last-child {
  border-right: none;
}

.view-toggle .view-tab:hover {
  background-color: var(--color-gray-100);
  color: var(--color-black);
}

.view-toggle .view-tab.active {
  background-color: var(--color-black);
  color: var(--color-white);
}

/* ========================================
   Legacy Button Styles (for modals)
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  border: 1px solid;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3) var(--spacing-5);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  background-color: var(--color-black);
  color: var(--color-white);
  border: 1px solid var(--color-black);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-gray-700);
  border-color: var(--color-gray-700);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3) var(--spacing-5);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  background-color: var(--color-white);
  color: var(--color-black);
  border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-500);
}

/* ========================================
   Form Elements
   ======================================== */
.form-group {
  margin-bottom: var(--spacing-5);
}

.form-group label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--color-black);
  margin-bottom: var(--spacing-2);
}

.form-input {
  width: 100%;
  padding: var(--spacing-3);
  border: 1px solid var(--color-gray-300);
  border-radius: 8px;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
  background-color: var(--color-white);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-black);
}

.form-actions {
  display: flex;
  gap: var(--spacing-3);
  justify-content: flex-end;
  margin-top: var(--spacing-6);
}

/* Star Rating */
.star-rating {
  display: flex;
  gap: var(--spacing-1);
  margin-top: var(--spacing-2);
}

.star {
  font-size: var(--font-size-xl);
  cursor: pointer;
  color: #e0e0e0; /* 연한 회색 (빈 별) */
  transition: color var(--transition-fast);
  user-select: none;
}

.star:hover,
.star.active {
  color: #FFD700; /* 노란색 (채워진 별) */
}

/* ========================================
   Loading Spinner
   ======================================== */
.loading-spinner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  backdrop-filter: blur(2px);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-gray-200);
  border-top: 3px solid var(--color-black);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: var(--spacing-4);
}

.loading-spinner p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin: 0;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ========================================
   Content Container
   ======================================== */
.content-container {
  min-height: calc(100vh - 200px);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
  .header-content {
    grid-template-columns: auto 1fr auto;
    padding: var(--spacing-2) var(--spacing-3);
  }
  
  .page-title {
    font-size: var(--font-size-lg);
  }
  
  .toolbar-content {
    flex-direction: column;
    gap: var(--spacing-3);
  }
  
  .period-tabs {
    width: 100%;
    justify-content: center;
  }
  
  .view-toggle {
    align-self: flex-end;
  }
  
  .custom-date-range {
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .icon-btn {
    width: 36px;
    height: 36px;
  }
  
  .today-btn {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
  }
}