/* ==================================================
   iOS 17 玻璃拟态 - 通透版 + 深色模式优化 + 平滑过渡
   ================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
               "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

/* 全局主题过渡 */
:root {
  transition: background-color 0.35s ease, color 0.35s ease;
}

/* ---------- 背景装饰层：置于最底层 ---------- */
.bg-decoration {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -100;
  overflow: hidden;
  background: #eef1f6;
  transition: background-color 0.35s ease;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.7;
  animation:
    positionShift 20s ease-in-out infinite,
    sizeShift 14s ease-in-out infinite,
    morphShape 11s ease-in-out infinite,
    rotateShift 28s linear infinite,
    opacityShift 10s ease-in-out infinite;
  transition: background-color 0.35s ease;
}
.blob-1 {
  width: 720px;
  height: 720px;
  background: rgba(122 167 255 / 0.4);
  top: -180px;
  left: -220px;
  animation-delay: 0s, 0s, 0s, 0s, 0s;
}
.blob-2 {
  width: 680px;
  height: 680px;
  background: rgba(199 154 255 / 0.4);
  top: 12%;
  right: -180px;
  animation-delay: -5s, -7s, -6s, -9s, -3s;
}
.blob-3 {
  width: 640px;
  height: 640px;
  background: rgb(255 176 196 / 0.3);
  bottom: -200px;
  left: 18%;
  animation-delay: -9s, -13s, -3s, -17s, -7s;
}
@keyframes positionShift {
  0%   { transform: translate(0,0); }
  20%  { transform: translate(80px,-60px); }
  40%  { transform: translate(-70px, 90px); }
  60%  { transform: translate(100px,70px); }
  80%  { transform: translate(-90px,-50px); }
  100% { transform: translate(0,0); }
}
@keyframes sizeShift {
  0%,100% { scale: 1; }
  25% { scale: 1.1; }
  50% { scale: 0.92; }
  75% { scale: 1.06; }
}
@keyframes morphShape {
  0%, 100% { border-radius: 45% 55% 50% 50% / 50% 45% 55% 50%; }
  20%      { border-radius: 60% 40% 65% 35% / 40% 60% 45% 55%; }
  40%      { border-radius: 35% 65% 40% 60% / 60% 35% 65% 40%; }
  60%      { border-radius: 55% 45% 30% 70% / 45% 55% 30% 70%; }
  80%      { border-radius: 50% 50% 55% 45% / 55% 50% 50% 45%; }
}
@keyframes rotateShift {
  from { rotate: 0deg; }
  to   { rotate: 360deg; }
}
@keyframes opacityShift {
  0%,100% { opacity: 0.3; }
  50% { opacity: 0.5; }
}

/* ---------- 主题变量 ---------- */
:root, [data-theme="light"] {
  --glass-bg: rgba(255, 255, 255, 0.35); /* 降低透明度，更通透 */
  --glass-border: rgba(0 22 57 / 0.1);
  --glass-shadow: rgba(100, 110, 150, 0.12);
  --text-primary: #1c1c1e;
  --text-secondary: #6e6e73;
  --accent-color: #007aff;
  --accent-color: #007aff;
  --accent-hover: #0080ff;
  --input-bg: rgba(255, 255, 255, 0.6);
  --input-color: rgba(0 0 0, 1);
  --inputqz-color: rgba(0 0 0, 1);
  --btn-bg: rgba(255, 255, 255, 0.4);
}

/* 黑夜模式：深色背景 + 适配色 */
[data-theme="dark"] {
  --glass-bg: rgba(30, 30, 32, 0.45);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: rgba(0, 0, 0, 0.3);
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --accent-color: #2997ff;
  --accent-hover: #409cff;
  --input-bg: rgba(40, 40, 42, 0.6);
  --input-color: rgba(255 255 255, 1);
  --inputqz-color: rgba(0 0 0, 1);
  --btn-bg: rgba(50, 50, 52, 0.4);
}
/* 黑夜模式背景层变色 */
[data-theme="dark"] .bg-decoration {
  background: #18181b;
}
[data-theme="dark"] .blob-1 { background: rgba(37 99 235 / 0.3); }
[data-theme="dark"] .blob-2 { background: rgba(124 58 237 / 0.3); }
[data-theme="dark"] .blob-3 { background: rgba(252 75 255 / 0.2); }

body {
  min-height: 100vh;
  color: var(--text-primary);
  padding: 12px;
  transition: color 0.35s ease;
}

/* ---------- iOS 17 玻璃核心效果（增强过渡） ---------- */
.glass-effect {
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: 0 8px 32px var(--glass-shadow);
  transition: background-color 0.35s ease, 
              border-color 0.35s ease, 
              box-shadow 0.35s ease,
              color 0.35s ease;
}

/* ---------- 应用容器 ---------- */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  height: calc(100vh - 24px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ---------- 顶部标题栏 ---------- */
.app-header {
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}
.header-left h1 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.3px;
}
.subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.draft-status {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}
#auto-draft-time {
  font-size: 11px;
  opacity: 0.7;
}
.theme-controls {
  display: flex;
  background: var(--btn-bg);
  padding: 3px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
}
.theme-btn {
  padding: 6px 14px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 7px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  transition: all 0.25s ease;
}
.theme-btn.active {
  background: var(--glass-bg);
  color: var(--text-primary);
  box-shadow: 0 2px 6px var(--glass-shadow);
}

/* ---------- 顶部功能栏 ---------- */
.function-bar {
  padding: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-start;
  flex-shrink: 0;
  max-height: 42vh;
  overflow-y: auto;
}
.function-bar::-webkit-scrollbar {
  width: 4px;
}
.function-bar::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.1);
  border-radius: 2px;
}
.func-group {
  flex: 1 1 220px;
  max-width: 280px;
  min-width: 200px;
}
.func-group h3 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.2px;
}

/* 表单元素 */
.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 4px;
}
.form-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.form-item label {
  font-size: 11px;
  color: var(--text-secondary);
}
.form-item input,
.form-item select {
  max-width: 89px;
  padding: 3px 5px;
  border: 1px solid var(--glass-border);
  border-radius: 7px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s ease;
}
.form-item input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.form-inline input:disabled {
  color: var(--inputqz-color);
}
.form-item input:focus,
.form-item select:focus {
  border-color: var(--accent-color);
}
.form-inline {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  font-size: 11px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}
.form-inline select {
  padding: 4px 8px;
  border: 1px solid var(--glass-border);
  border-radius: 7px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 12px;
}
.form-row {
  display: flex;
  gap: 6px;
  margin-bottom: 13px;
}
.form-row input {
  max-width: 104px;
  flex: 1;
  padding: 6px 8px;
  border: 1px solid var(--glass-border);
  border-radius: 7px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 12px;
  outline: none;
}
.form-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
  margin-top: 9px;
  font-size: 12px;
  color: var(--text-secondary);
}
.form-checkbox input[type="checkbox"] {
  accent-color: var(--accent-color);
}

/* ---------- 按钮系统 ---------- */
button {
  padding: 3px 5px;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  background: var(--btn-bg);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.15s ease-out;
}
button:hover {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
  transform: translateY(-0.5px);
  box-shadow: 0 2px 4px rgba(var(--accent-rgb), 0.2);
}
button:active {
  transform: translateY(0) scale(0.98); 
  box-shadow: 0 1px 2px rgba(var(--accent-rgb), 0.2); 
}
button.small {
  padding: 4px 8px;
  font-size: 11px;
}
button.big {
  padding: 4px 40px;
  font-size: 11px;
}
.primary-btn {
  width: 100%;
  background: var(--accent-color);
  color: white;
  border: none;
  padding: 7px;
  font-size: 13px;
  font-weight: 600;
}
.primary-btn:hover {
  background: var(--accent-hover);
}
.btn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin-top: 10px;
  margin-bottom: 5px;
}
/* 2x2按钮网格：上下各2个 */
.btn-grid-2x2 {
  grid-template-columns: repeat(2, 1fr);
}
.input-text{
    max-width: 154px;
    padding: 1px 4px;
    border-radius: 8px;
    color: var(--input-color);
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
}
.func-group:nth-child(2) .btn-grid {
  grid-template-columns: repeat(4, 1fr);
}

/* ---------- 常用正则 ---------- */
.regex-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 16px;
  align-items: center;
}
.regex-label {
  font-size: 11px;
  color: var(--text-secondary);
}
.regex-btn {
  padding: 2px 7px;
  font-size: 11px;
  border-radius: 6px;
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}
.regex-btn:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
  background: transparent;
}

/* ---------- 主内容区 ---------- */
.main-content {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 10px;
  min-height: 0;
}

/* ---------- 主编辑区 ---------- */
.editor-section {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.editor-toolbar {
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}
.toolbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.tool-btn {
  padding: 6px 12px;
  font-size: 12px;
  border: 1px solid var(--glass-border);
  background: var(--btn-bg);
  color: var(--text-primary);
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s ease-out;
}
.tool-btn:hover {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
  box-shadow: 0 2px 4px rgba(var(--accent-rgb), 0.2);
}
.tool-btn:active {
  transform: translateY(0) scale(0.98); 
  box-shadow: 0 1px 2px rgba(var(--accent-rgb), 0.2); 
}
.char-count {
  font-size: 12px;
  color: var(--text-secondary);
}
#text-input {
  flex: 1;
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  padding: 16px 18px;
  background: transparent;
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  border-radius: 0 0 16px 16px;
  font-family: inherit;
}

/* ---------- 右侧草稿面板 ---------- */
.draft-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}
.draft-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.draft-header {
  padding: 10px 12px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  flex-shrink: 0;
  gap: 8px;
}
.draft-box textarea {
  flex: 1;
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  padding: 10px 12px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.5;
  border-radius: 0 0 16px 16px;
  font-family: inherit;
}

/* ---------- 分类保存常驻样式 ---------- */
.draft-box .storage-list {
  flex: 1;
  overflow-y: auto;
  max-height: none;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* 分类保存操作区：横向并列 + 调低高度 */
.storage-actions-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  padding: 6px 12px 8px;
  border-top: 1px solid var(--glass-border);
}
.storage-actions-row input {
  flex: 1;
  padding: 4px 8px;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 11px;
  outline: none;
  height: 26px;
}
.storage-actions-row button {
  padding: 4px 12px;
  font-size: 11px;
  white-space: nowrap;
  height: 26px;
}

.storage-item {
  padding: 0px 10px;
  background: var(--input-bg);
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}
.storage-item:hover {
  border-color: var(--accent-color);
}
.storage-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.storage-item-del {
  color: #ff3b30;
  padding: 2px 6px;
  font-size: 11px;
  cursor: pointer;
  border: none;
  background: transparent;
}

/* 自动草稿历史选择框 */
.auto-history-select {
  flex: 1;
  max-width: 100px;
  padding: 2px 6px;
  font-size: 11px;
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  color: var(--text-primary);
  outline: none;
  height: 24px;
}

/* 对比功能样式 */
.editor-wrapper {
  flex: 1;
  display: flex;
  width: 100%;
  min-height: 0;
  position: relative;
}
.editor-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  min-width: 0;
}
.pane-label {
  display: none;
  padding: 4px 16px;
  font-size: 11px;
  color: var(--text-secondary);
  background: rgba(0,0,0,0.02);
  border-bottom: 1px solid var(--glass-border);
}
.compare-mode .pane-label {
  display: block;
}
.markdown-mode .pane-label {
  display: block;
}
.compare-pane {
  display: none;
  border-left: 1px solid var(--glass-border);
}
.compare-mode .compare-pane {
  display: flex;
}
.compare-mode #text-input {
  border-radius: 0;
}
#text-compare {
  flex: 1;
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  padding: 16px 18px;
  background: transparent;
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  font-family: inherit;
  position: relative;
  z-index: 1;
}
.diff-highlight {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.6;
  font-family: inherit;
  white-space: pre-wrap;
  word-wrap: break-word;
  pointer-events: none;
  z-index: 0;
  color: transparent;
  overflow: hidden;
}
.compare-mode .diff-highlight {
  top: 28px;
}
.diff-highlight .diff {
  background: rgba(255, 59, 48, 0.2);
  border-radius: 2px;
}
[data-theme="dark"] .diff-highlight .diff {
  background: rgba(255, 59, 48, 0.3);
}
.diff-highlight .diff-delete {
  box-shadow: inset 2px 0 0 #ff3b30;
}

/* ---------- Markdown预览模式 ---------- */
.markdown-pane {
  display: none;
  border-left: 1px solid var(--glass-border);
}
.markdown-mode .markdown-pane {
  display: flex;
}
.markdown-preview {
  flex: 1;
  padding: 16px 18px;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-primary);
}
/* Markdown基础排版 */
.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3,
.markdown-preview h4,
.markdown-preview h5,
.markdown-preview h6 {
  margin: 1em 0 0.5em;
  font-weight: 600;
  line-height: 1.3;
}
.markdown-preview h1 { font-size: 1.8em; border-bottom: 1px solid var(--glass-border); padding-bottom: 0.3em; }
.markdown-preview h2 { font-size: 1.5em; border-bottom: 1px solid var(--glass-border); padding-bottom: 0.2em; }
.markdown-preview h3 { font-size: 1.25em; }
.markdown-preview p { margin: 0.8em 0; }
.markdown-preview ul,
.markdown-preview ol { margin: 0.8em 0; padding-left: 2em; }
.markdown-preview blockquote {
  margin: 0.8em 0;
  padding: 0.4em 1em;
  border-left: 4px solid var(--accent-color);
  background: var(--input-bg);
  color: var(--text-secondary);
  border-radius: 0 8px 8px 0;
}
.markdown-preview code {
  padding: 0.2em 0.4em;
  background: var(--input-bg);
  border-radius: 4px;
  font-size: 0.9em;
  font-family: "SF Mono", Menlo, Consolas, monospace;
}
.markdown-preview pre {
  margin: 1em 0;
  padding: 12px 14px;
  background: var(--input-bg);
  border-radius: 8px;
  overflow-x: auto;
  line-height: 1.5;
}
.markdown-preview pre code {
  padding: 0;
  background: none;
  font-size: 13px;
}
.markdown-preview table {
  border-collapse: collapse;
  margin: 1em 0;
  width: 100%;
}
.markdown-preview th,
.markdown-preview td {
  border: 1px solid var(--glass-border);
  padding: 6px 10px;
  text-align: left;
}
.markdown-preview th { background: var(--input-bg); }
.markdown-preview hr {
  border: none;
  border-top: 1px solid var(--glass-border);
  margin: 1.5em 0;
}

/* ---------- 响应式适配 ---------- */
@media (max-width: 1200px) {
  .main-content {
    grid-template-columns: 1fr 280px;
  }
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 900px) {
  body {
    overflow: auto;
  }
  .main-content {
    grid-template-columns: 1fr;
  }
  .editor-section {
    height: 300px;
  }
  .draft-panel {
    flex-direction: row;
    height: 200px;
    flex-wrap: wrap;
  }
  .draft-box {
    min-width: 48%;
    flex: 1 1 48%;
  }
}