/* Drama Ling - 組件樣式 */

/* ========================================
   按鈕組件 (Buttons)
======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-xl);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 2.75rem;
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* 按鈕尺寸 */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  min-height: 2rem;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  min-height: 3.5rem;
}

/* 按鈕變體 */
.btn-primary {
  background: linear-gradient(135deg, var(--primary-teal), var(--secondary-purple));
  color: var(--text-inverse);
  box-shadow: 0 4px 15px 0 var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px 0 var(--shadow-primary);
}

.btn-secondary {
  background-color: var(--background-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background-color: var(--border-light);
  border-color: var(--border-medium);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-teal);
  border: 2px solid var(--primary-teal);
}

.btn-outline:hover {
  background-color: var(--primary-teal);
  color: var(--text-inverse);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background-color: var(--background-tertiary);
  color: var(--text-primary);
}

.btn-danger {
  background-color: var(--text-error);
  color: var(--text-inverse);
}

.btn-danger:hover {
  background-color: #DC2626;
  transform: translateY(-1px);
}

/* ========================================
   卡片組件 (Cards)
======================================== */
.card {
  background-color: var(--background-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: 0 2px 8px 0 var(--shadow-light);
  transition: all var(--transition-fast);
}

.card:hover {
  box-shadow: 0 8px 25px 0 var(--shadow-medium);
  transform: translateY(-2px);
}

.card-header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-light);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: var(--space-1) 0 0 0;
}

.card-body {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

/* 卡片變體 */
.card-interactive {
  cursor: pointer;
  transition: all var(--transition-normal);
}

.card-interactive:hover {
  border-color: var(--primary-teal);
  box-shadow: 0 12px 30px 0 var(--shadow-primary);
}

.card-flat {
  box-shadow: none;
  border: 1px solid var(--border-light);
}

.card-elevated {
  box-shadow: 0 10px 25px 0 var(--shadow-medium);
}

/* ========================================
   表單組件 (Forms)
======================================== */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-label.required::after {
  content: '*';
  color: var(--text-error);
  margin-left: var(--space-1);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  background-color: var(--background-secondary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-teal);
  box-shadow: 0 0 0 3px rgba(0, 229, 204, 0.1);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--text-error);
}

.form-input.error:focus,
.form-textarea.error:focus,
.form-select.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 6rem;
}

.form-help {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--text-error);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* 複選框和單選框 */
.form-checkbox,
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.form-checkbox input,
.form-radio input {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
}

/* ========================================
   徽章組件 (Badges)
======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
}

.badge-primary {
  background-color: var(--primary-teal);
  color: var(--text-inverse);
}

.badge-secondary {
  background-color: var(--text-secondary);
  color: var(--text-inverse);
}

.badge-success {
  background-color: var(--text-success);
  color: var(--text-inverse);
}

.badge-warning {
  background-color: var(--text-warning);
  color: var(--text-inverse);
}

.badge-error {
  background-color: var(--text-error);
  color: var(--text-inverse);
}

.badge-outline {
  background-color: transparent;
  border: 1px solid currentColor;
}

/* ========================================
   彈窗組件 (Modal)
======================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background-color: var(--background-secondary);
  border-radius: var(--radius-2xl);
  box-shadow: 0 20px 50px 0 var(--shadow-heavy);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--background-tertiary);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

/* ========================================
   提示框組件 (Toast)
======================================== */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-tooltip);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  background-color: var(--background-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: 0 8px 25px 0 var(--shadow-medium);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  max-width: 400px;
  animation: slideInRight var(--transition-normal) ease-out;
}

.toast.removing {
  animation: slideOutRight var(--transition-normal) ease-in;
}

.toast-icon {
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.toast-close {
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toast-close:hover {
  background-color: var(--background-tertiary);
  color: var(--text-primary);
}

/* 提示框類型 */
.toast-success {
  border-left: 4px solid var(--text-success);
}

.toast-success .toast-icon {
  color: var(--text-success);
}

.toast-warning {
  border-left: 4px solid var(--text-warning);
}

.toast-warning .toast-icon {
  color: var(--text-warning);
}

.toast-error {
  border-left: 4px solid var(--text-error);
}

.toast-error .toast-icon {
  color: var(--text-error);
}

.toast-info {
  border-left: 4px solid var(--primary-teal);
}

.toast-info .toast-icon {
  color: var(--primary-teal);
}

/* ========================================
   載入組件 (Loading)
======================================== */
.loading {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--border-light);
  border-top-color: var(--primary-teal);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

.loading-sm {
  width: 1rem;
  height: 1rem;
  border-width: 1px;
}

.loading-lg {
  width: 2rem;
  height: 2rem;
  border-width: 3px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 載入覆蓋層 */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

/* ========================================
   進度條組件 (Progress)
======================================== */
.progress {
  width: 100%;
  height: 0.5rem;
  background-color: var(--background-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-teal), var(--secondary-purple));
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0.2) 0%, 
    rgba(255, 255, 255, 0.4) 50%, 
    rgba(255, 255, 255, 0.2) 100%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* 進度條尺寸 */
.progress-sm {
  height: 0.25rem;
}

.progress-lg {
  height: 0.75rem;
}

/* ========================================
   標籤頁組件 (Tabs)
======================================== */
.tabs {
  display: flex;
  flex-direction: column;
}

.tab-list {
  display: flex;
  border-bottom: 2px solid var(--border-light);
  margin-bottom: var(--space-6);
}

.tab-button {
  padding: var(--space-3) var(--space-4);
  border: none;
  background: none;
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.tab-button:hover {
  color: var(--text-primary);
}

.tab-button.active {
  color: var(--primary-teal);
}

.tab-button.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary-teal);
}

.tab-panel {
  display: none;
  animation: fadeInUp var(--transition-normal) ease-out;
}

.tab-panel.active {
  display: block;
}

/* ========================================
   下拉選單組件 (Dropdown)
======================================== */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.dropdown-toggle:hover {
  background-color: var(--background-tertiary);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background-color: var(--background-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 25px 0 var(--shadow-medium);
  padding: var(--space-2);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
}

.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.dropdown-item:hover {
  background-color: var(--background-tertiary);
  color: var(--text-primary);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--border-light);
  margin: var(--space-2) 0;
}

/* 響應式調整 */
@media (max-width: 767px) {
  .modal {
    width: 95%;
    margin: var(--space-4);
  }
  
  .toast-container {
    left: var(--space-4);
    right: var(--space-4);
  }
  
  .toast {
    max-width: none;
  }
}

/* Toast 動畫 */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}