/**
 * Regex Styles - 正则规则管理样式
 * @version 1.0.0
 * @date 2025-01-26
 */

/* ==================== 容器 ==================== */
#app-regex,
.regex-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  background: var(--color-bg);
  overflow: hidden;
}

/* ==================== 导航栏 ==================== */
.regex-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--navbar-padding);
  background: var(--navbar-bg-standard);
  border-bottom: 1px solid var(--navbar-border);
  flex-shrink: 0;
  position: relative;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.regex-navbar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--brand-primary) 50%,
    transparent 100%);
  opacity: 0.3;
}

.regex-navbar .nav-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--nav-title-font-size);
  font-weight: var(--nav-title-font-weight);
  color: var(--text-primary);
  pointer-events: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.regex-navbar .nav-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--brand-primary);
  cursor: pointer;
  border-radius: 12px;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.regex-navbar .nav-btn i {
  font-size: 18px;
}

.regex-navbar .nav-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.regex-navbar .nav-btn:hover {
  background: var(--bg-hover);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.regex-navbar .nav-btn:active {
  background: var(--bg-active);
  transform: scale(0.95);
}

.regex-navbar .nav-right {
  display: flex;
  gap: 8px;
}

/* ==================== 内容区 ==================== */
.regex-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px;
  height: 100%;
}

/* ==================== 规则列表 ==================== */
.regex-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 30px; /* 🔥🔥🔥 最关键！解决滚动回弹问题！ */
}

.regex-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.2s;
}

.regex-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.regex-item.disabled {
  opacity: 0.6;
}

/* ==================== 分组区域（对齐世界书样式） ==================== */
.regex-group-section {
  margin-bottom: 4px;
}

.regex-group-section.ungrouped {
  opacity: 0.8;
}

.group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px 12px 0 0;
  margin-bottom: 0;
  cursor: pointer;
  transition: all 0.2s;
}

.group-header:hover {
  background: var(--bg-hover);
}

.regex-group-section.collapsed .group-header {
  border-radius: 12px;
  border-bottom: 1px solid var(--color-border);
}

.group-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-base-lg);
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
}

.group-toggle-icon {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: transform 0.2s;
}

.group-icon {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.group-name {
  flex: 0 1 auto;
}

.group-badges {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 6px;
}

.group-status-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  border-radius: 6px;
  font-size: var(--font-size-xs-md);
  font-weight: 600;
  gap: 4px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.group-status-badge.global {
  background: rgba(80, 186, 120, 0.08);
  border-color: rgba(80, 186, 120, 0.18);
  color: var(--color-success);
}

.group-status-badge.disabled {
  background: rgba(149, 149, 149, 0.08);
  border-color: rgba(149, 149, 149, 0.18);
  color: var(--color-text-secondary);
}

.group-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.group-actions {
  display: flex;
  gap: 6px;
}

.group-actions .action-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  padding: 6px;
  border-radius: 8px;
  transition: all 0.2s;
}

.group-actions .action-btn:hover {
  background: var(--bg-hover);
  color: var(--color-primary);
}

.group-count {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.group-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 12px 12px;
  padding: 12px 12px 4px 12px;
}

.group-content.collapsed {
  display: none;
}

.rule-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.rule-name {
  font-size: var(--font-size-base-lg);
  font-weight: 600;
  color: var(--color-text);
}

.rule-actions {
  display: flex;
  gap: 8px;
}

.rule-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rule-pattern {
  background: var(--color-bg);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: 'Courier New', monospace;
  font-size: var(--font-size-md);
  color: var(--color-primary);
  overflow-x: auto;
}

.rule-pattern code {
  white-space: nowrap;
}

.rule-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.rule-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.rule-badge i {
  color: var(--color-primary);
}

.rule-badge-send {
  background: rgba(52, 120, 246, 0.08);
  border-color: rgba(52, 120, 246, 0.2);
  color: var(--color-primary);
}

.rule-badge-display {
  background: rgba(80, 186, 120, 0.1);
  border-color: rgba(80, 186, 120, 0.25);
  color: var(--color-success);
}

.rule-badge-scope {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.2);
  color: var(--color-info);
}

.rule-badge-global {
  background: rgba(241, 196, 15, 0.08);
  border-color: rgba(241, 196, 15, 0.2);
  color: var(--color-warning);
}

.rule-badge-muted {
  background: rgba(149, 149, 149, 0.08);
  border-color: rgba(149, 149, 149, 0.2);
  color: var(--color-text-secondary);
}

/* ==================== 模态框 ==================== */
.regex-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--overlay-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 20px;
}

.regex-modal .modal-content {
  background: var(--color-surface);
  border-radius: 16px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.regex-modal .modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--color-border);
}

.regex-modal .modal-header h3 {
  margin: 0;
  font-size: var(--nav-title-font-size);
  font-weight: 600;
  color: var(--color-text);
}

.regex-modal .modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s;
}

.regex-modal .modal-close:hover {
  color: var(--color-text);
}

.regex-modal .modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.regex-modal .modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 20px;
  border-top: 1px solid var(--color-border);
}

/* ==================== 表单 ==================== */
.regex-modal .form-item {
  margin-bottom: 20px;
}

.regex-modal .form-item label {
  display: block;
  margin-bottom: 8px;
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--color-text);
}

.regex-modal .form-item input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: var(--font-size-md);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s;
}

.regex-modal .form-item input[type="text"]:focus {
  outline: none;
  border-color: var(--color-primary);
}

.regex-modal .form-hint {
  margin-top: 6px;
  font-size: var(--font-size-xs-md);
  color: var(--color-text-secondary);
}

.regex-modal .checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.regex-modal .checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: var(--font-size-md);
  color: var(--color-text);
}

.regex-modal .checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.regex-modal .character-bindings {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 150px;
  overflow-y: auto;
  padding: 8px;
  background: var(--color-bg);
  border-radius: 8px;
}

/* ==================== 空状态 ==================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
  color: var(--color-text-secondary);
}

.empty-state i {
  font-size: var(--font-size-5xl);
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p {
  margin: 8px 0;
  font-size: var(--font-size-base-lg);
}

.empty-state .hint {
  font-size: var(--font-size-md);
  opacity: 0.7;
}

/* ==================== 响应式 ==================== */
@media (max-width: 600px) {
  .regex-modal .modal-content {
    max-width: 100%;
    border-radius: 16px 16px 0 0;
  }
}