/* zz365 工具网站 - 暗色程序员主题（更亮版本） */
:root {
  --bg-primary: #1a1d23;
  --bg-secondary: #252932;
  --bg-tertiary: #2d3139;
  --bg-input: #2d3139;
  --border-color: #3a3f4a;
  --text-primary: #e0e0e0;
  --text-secondary: #569cd6;
  --text-muted: #9ca0a8;
  --accent-color: #569cd6;
  --accent-hover: #6bb5f5;
  --success: #4caf50;
  --warning: #d4a92a;
  --error: #e74c3c;
  --string: #ce9178;
  --keyword: #569cd6;
  --number: #b5cea8;
  --comment: #6a9955;
  --shadow: 0 4px 12px rgba(0,0,0,0.3);
  --star-color: #f1c40f;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Fira Code", "Consolas", "Monaco", "Courier New", monospace;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* 顶部导航栏 */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border-color);
  background: #15171c;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 600;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #0e639c, #569cd6);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: bold;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 语言切换下拉框 */
.lang-select {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-input);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  transition: all 0.2s;
}

.lang-btn:hover {
  border-color: var(--accent-color);
  background: var(--bg-tertiary);
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-shadow: var(--shadow);
  display: none;
  min-width: 120px;
  z-index: 1000;
}

.lang-dropdown.show {
  display: block;
}

.lang-option {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.2s;
}

.lang-option:hover {
  background: var(--bg-tertiary);
}

.lang-option.active {
  color: var(--accent-color);
  font-weight: 500;
}

/* 返回主页按钮 */
.back-home {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-input);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 13px;
  font-family: inherit;
  transition: all 0.2s;
}

.back-home:hover {
  border-color: var(--accent-color);
  color: var(--text-secondary);
}

/* 收藏按钮 */
.bookmark-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  padding: 4px 6px;
  color: var(--text-muted);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.bookmark-btn:hover {
  color: var(--star-color);
  transform: scale(1.15);
}

.bookmark-btn.active {
  color: var(--star-color);
}

/* 主内容区 */
.main-content {
  flex: 1;
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* 兼容旧页面使用的 .container 类 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  width: 100%;
}

/* 页面标题 */
.page-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-secondary);
  border-left: 3px solid var(--accent-color);
  padding-left: 12px;
}

/* 卡片网格 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

/* 工具卡片 */
.tool-card {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 20px;
  background: var(--bg-secondary);
  transition: all 0.2s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
  position: relative;
}

.tool-card:hover {
  border-color: var(--accent-color);
  background: var(--bg-tertiary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.tool-card-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 12px;
}

.tool-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.tool-card-desc {
  font-size: 13px;
  color: var(--text-muted);
}

.tool-card .bookmark-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
}

/* 表单元素 */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
  background: var(--bg-input);
  color: var(--text-primary);
  transition: border-color 0.2s;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}

.form-textarea {
  min-height: 200px;
  resize: vertical;
  line-height: 1.5;
}

.form-select {
  cursor: pointer;
}

/* ==================== 统一样式按钮系统 ==================== */

/* 主按钮 */
.form-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  min-height: 36px;
  border: none;
  border-radius: 4px;
  background: var(--accent-color);
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  line-height: 1.4;
  white-space: nowrap;
}

.form-btn:hover {
  background: var(--accent-hover);
  opacity: 0.95;
}

/* 主按钮变体（兼容旧页面中的 primary） */
.form-btn.primary {
  background: var(--accent-color);
  color: #fff;
}

.form-btn.primary:hover {
  background: var(--accent-hover);
}

/* 次要按钮 */
.form-btn.secondary {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.form-btn.secondary:hover {
  border-color: var(--accent-color);
  color: var(--text-secondary);
}

/* 危险按钮 */
.form-btn.danger {
  background: var(--error);
  color: #fff;
}

.form-btn.danger:hover {
  background: #c0392b;
}

/* 按钮组 */
.form-btn-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

/* 旧版兼容 */
.form-btn-horizontal {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* 结果区域 */
.result-box {
  margin-top: 20px;
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.result-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.result-content {
  font-family: inherit;
  font-size: 14px;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-primary);
}

/* 输入输出双栏 */
.io-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 768px) {
  .io-container {
    grid-template-columns: 1fr;
  }
}

/* 底部链接 */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 20px 24px;
  text-align: center;
  background: var(--bg-secondary);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--accent-color);
}

.footer-copy {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-muted);
}

/* 技能卡片样式 */
.skill-category {
  margin-bottom: 32px;
}

.skill-category-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent-color);
  color: var(--text-secondary);
}

.skill-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
}

.skill-item {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px;
  background: var(--bg-secondary);
}

.skill-item-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.skill-item-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--keyword);
}

.skill-item-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.skill-item-code {
  background: var(--bg-tertiary);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 11px;
  overflow-x: auto;
  color: var(--text-muted);
}

/* 搜索框 */
.search-box {
  margin-bottom: 20px;
}

.search-input {
  width: 100%;
  max-width: 400px;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 13px;
  font-family: inherit;
  background: var(--bg-input);
  color: var(--text-primary);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-color);
}

/* 进制转换器 */
.base-converter {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.base-item {
  padding: 14px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-secondary);
}

.base-item label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.base-item input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: inherit;
  font-size: 13px;
  background: var(--bg-input);
  color: var(--string);
}

/* crontab 结果 */
.cron-result {
  margin-top: 20px;
}

.cron-next-runs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cron-next-item {
  padding: 10px 14px;
  background: var(--bg-secondary);
  border-radius: 4px;
  font-size: 13px;
  color: var(--success);
  border-left: 3px solid var(--success);
}

.cron-error {
  color: var(--error);
  padding: 12px;
  background: rgba(241, 76, 76, 0.1);
  border-radius: 4px;
  border-left: 3px solid var(--error);
}

/* 广告位 */
.ad-container {
  margin: 16px 0;
  text-align: center;
  min-height: 90px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--bg-primary);
}

.ad-container.bottom {
  margin-top: 24px;
}

/* 标签页 */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 18px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-family: inherit;
  transition: all 0.2s;
}

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

.tab-btn.active {
  color: var(--accent-color);
  border-bottom-color: var(--accent-color);
}

.tab-content {
  display: none;
}

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

/* 代码高亮样式 */
code, pre {
  font-family: "Fira Code", "Consolas", "Monaco", monospace;
}

/* 弹窗遮罩 */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.modal-overlay.show {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border-radius: 8px;
  max-width: 700px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-secondary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

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

.modal-body {
  padding: 20px;
  line-height: 1.8;
}

.modal-body h3 {
  color: var(--text-secondary);
  margin: 20px 0 10px;
  font-size: 15px;
}

.modal-body p {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 12px;
}

.modal-body a {
  color: var(--accent-color);
}

/* 工具页面布局 */
.form-vertical {
  display: flex;
  flex-direction: column;
}

/* 旧页面兼容样式 */
.tool-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 20px;
}

.tool-box h1 {
  font-size: 22px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.input-group {
  margin-bottom: 16px;
}

.input-group label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 16px;
  font-size: 13px;
  color: var(--text-primary);
}

.input-group input[type="text"],
.input-group input[type="number"],
.input-group textarea {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-primary);
}

.input-group input[type="text"]:focus,
.input-group input[type="number"]:focus,
.input-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}

.output-area {
  margin-top: 16px;
}

.output-area p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.output-area strong {
  color: var(--text-primary);
}

.output-box {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 12px;
  color: var(--text-primary);
  font-size: 14px;
}

/* 旧页面文本区域统一样式 */
.tool-box textarea,
#sortInput,
#jsInput,
#cssInput,
#entityInput,
#unicodeInput,
#replaceResult,
#sourceText,
#sortOutput,
#jsOutput,
#cssOutput,
#entityOutput,
#unicodeOutput,
#textInput,
#statsOutput,
#passwordOutput {
  background: var(--bg-input) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 4px !important;
  color: var(--text-primary) !important;
  font-family: inherit;
}

/* 旧页面中的裸<button>统一样式 */
.input-group button:not(.form-btn):not(.lang-btn):not(.tab-btn):not(.bookmark-btn),
.output-area button:not(.form-btn):not(.lang-btn):not(.tab-btn):not(.bookmark-btn) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  min-height: 36px;
  border: none;
  border-radius: 4px;
  background: var(--accent-color);
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  line-height: 1.4;
}

.input-group button:not(.form-btn):not(.lang-btn):not(.tab-btn):not(.bookmark-btn):hover,
.output-area button:not(.form-btn):not(.lang-btn):not(.tab-btn):not(.bookmark-btn):hover {
  background: var(--accent-hover);
  opacity: 0.95;
}

/* 分类标签栏 */
.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.category-tab {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-secondary);
  cursor: pointer;
  color: var(--text-muted);
  font-size: 13px;
  font-family: inherit;
  transition: all 0.2s;
}

.category-tab:hover {
  border-color: var(--accent-color);
  color: var(--text-primary);
}

.category-tab.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
}

.bookmark-count {
  font-size: 11px;
  margin-left: 4px;
}

/* 响应式 */
@media (max-width: 600px) {
  .top-bar {
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .main-content {
    padding: 16px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    gap: 16px;
  }

  .skill-list {
    grid-template-columns: 1fr;
  }

  .io-container {
    grid-template-columns: 1fr;
  }
}