:root {
  --bg: #0a0a0a;
  --panel: #111111;
  --panel-2: #161616;
  --line: rgba(255,255,255,0.08);
  --text: #e0e0e0;
  --muted: #888;
  --blue: #007aff;
  --green: #2ed09b;
  --yellow: #f8c451;
  --red: #ff6b6b;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  --accent: #007aff;
  --input-bg: #1c1c1c;
  --border: rgba(255,255,255,0.08);
}
/* 默认深色，如果系统是浅色则自动切换 */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f5f5f7;
    --panel: #ffffff;
    --panel-2: #f0f0f2;
    --line: rgba(0,0,0,0.1);
    --text: #1d1d1f;
    --muted: #86868b;
    --blue: #0066cc;
    --accent: #0066cc;
    --input-bg: #f0f0f0;
    --border: rgba(0,0,0,0.1);
  }
}

/* 显式手动切换级别最高 */
[data-theme="light"] {
  --bg: #f5f5f7;
  --panel: #ffffff;
  --panel-2: #f0f0f2;
  --line: rgba(0,0,0,0.1);
  --text: #1d1d1f;
  --muted: #86868b;
  --blue: #0066cc;
  --accent: #0066cc;
  --input-bg: #f0f0f0;
  --border: rgba(0,0,0,0.1);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  transition: background 0.3s ease, color 0.3s ease;
}
button, input, textarea, select { font: inherit; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--input-bg);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  outline: none;
  font-size: 16px; /* iOS 要求 ≥16px 才不会自动缩放 */
}
input:focus, textarea:focus { border-color: var(--blue); }

.app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
}
.header-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  gap: 8px;
  flex-shrink: 0;
}
.brand-title { font-size: 18px; font-weight: 800; text-decoration: none; color: inherit; white-space: nowrap; }
.header-actions { display: flex; gap: 6px; flex-shrink: 0; }
.icon-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border-color: var(--line);
  color: var(--text);
  cursor: pointer;
  transition: transform .15s ease, opacity .15s ease, background .15s ease;
  line-height: 1;
}
.icon-btn:hover { transform: translateY(-1px); background: rgba(255,255,255,0.12); }
[data-theme="light"] .icon-btn { background: rgba(0,0,0,0.05); border-color: var(--border); }
[data-theme="light"] .icon-btn:hover { background: rgba(0,0,0,0.1); }

.main-fullscreen {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 24px;
  min-height: 0;
}
.editor-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  min-height: 0;
}
.editor-workspace {
  flex: 1;
  display: flex;
  gap: 16px;
  min-height: 0;
  flex-direction: row;
  position: relative;
}
.editor-fab {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 10;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity .15s, transform .15s, background .15s;
  padding: 0;
  line-height: 1;
}
.editor-fab:hover { opacity: 1; transform: scale(1.1); background: var(--input-bg); }
@media (max-width: 768px) {
  .editor-workspace { flex-direction: column; }
  .editor-textarea { font-size: 16px; }
  /* CodeMirror 搜索对话框手机端适配 */
  .CodeMirror-dialog {
    font-size: 14px;
    padding: 6px 8px;
    flex-wrap: wrap;
  }
  .CodeMirror-dialog input {
    max-width: 120px;
  }
  .editor-fab {
    z-index: 100;
  }
}
.editor-textarea, .editor-preview {
  flex: 1;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  overflow: auto;
}
.editor-textarea {
  resize: none;
  font-family: var(--mono);
  font-size: 14px;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
}
.editor-preview {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
}
/* CodeMirror Overrides */
.CodeMirror {
  flex: 1;
  height: 100% !important;
  border-radius: 8px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 14px;
}
.CodeMirror-dialog {
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
  padding: 6px 12px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 13px;
}
.CodeMirror-dialog input {
  background: var(--input-bg);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 6px;
  padding: 4px 8px;
  font-family: var(--mono);
  font-size: 16px;
  outline: none;
  width: auto;
}
.CodeMirror-dialog input:focus { border-color: var(--blue); }
.CodeMirror-dialog {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  overflow: hidden;
}
.CodeMirror-dialog button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 3px 10px;
  cursor: pointer;
  font-size: 12px;
  margin-left: 4px;
}
.cm-searching { background: rgba(255, 235, 59, 0.3); }
.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}
.toolbar-field {
  flex: 1;
  min-width: 120px;
}
.toolbar-field label { display: block; margin-bottom: 6px; font-size: 12px; color: var(--muted); }
.toolbar-field input, .toolbar-field select { padding: 8px 12px; }

.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
  transition: transform .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: #000; color: #fff; border-color: transparent; }
.btn.primary:hover { opacity: 0.85; }
[data-theme="light"] .btn.primary { background: #fff; color: #000; border-color: rgba(0,0,0,0.15); }
.btn.secondary { background: transparent; color: var(--text); border-color: var(--line); }
.btn.secondary:hover { background: var(--input-bg); }
.btn.red-btn { background: var(--red); color: #fff; border-color: transparent; }
.btn.red-btn:hover { opacity: 0.88; }
.btn.green-btn { background: var(--green); color: #0a0a0a; border-color: transparent; }
.btn.green-btn:hover { opacity: 0.88; }
[data-theme="light"] .btn.secondary { background: transparent; border-color: var(--border); }
[data-theme="light"] .btn.secondary:hover { background: rgba(0,0,0,0.06); }
.btn.full { width: 100%; }
.copy-flash { border-color: #3fb950 !important; background: rgba(63,185,80,0.13) !important; color: #3fb950 !important; transition: border-color 0.1s, background 0.1s, color 0.1s; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 14px 36px rgba(0,0,0,.18);
  margin-bottom: 16px;
}
.card-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; }

table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 12px; color: var(--muted); font-size: 12px; text-transform: uppercase; border-bottom: 1px solid var(--line); }
td { padding: 12px; border-bottom: 1px solid var(--line); font-size: 14px; }
.td-sub { font-size: 12px; color: var(--muted); }
.td-expired { color: var(--red); }
.td-link { color: var(--accent); text-decoration: none; }
.small-btn { font-size: 12px !important; padding: 4px 10px !important; }
.td-actions { display: flex; gap: 8px; }

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; z-index: 1000;
}
.modal {
  background: var(--panel-2);
  border: 1px solid var(--line);
  padding: 24px;
  border-radius: 20px;
  width: 90%; max-width: 440px;
  box-shadow: 0 24px 64px rgba(0,0,0,.5);
  max-height: min(88vh, 960px);
  overflow-y: auto;
}
.modal.large { max-width: 800px; height: min(80vh, 960px); display: flex; flex-direction: column; overflow: hidden; }
.modal.large.edit-share-modal { max-width: 1100px; }

.hidden { display: none !important; }

.capsule-btn { border: none; padding: 6px 15px; border-radius: 16px; cursor: pointer; font-size: 12px; font-weight: 600; }

.text-share-field { margin-bottom: 12px; }
.text-share-field label { display: block; margin-bottom: 6px; font-size: 12px; color: var(--muted); }
.text-share-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.result-box {
  margin-top: 15px; background: rgba(255,255,255,0.05); padding: 10px; border-radius: 8px;
  word-break: break-all; font-family: var(--mono); font-size: 0.75rem;
}

.gist-modal,
.edit-share-modal {
  width: 100vw !important;
  height: 100vh !important;
  max-width: 100vw !important;
  max-height: 100vh !important;
  border-radius: 0 !important;
  margin: 0 !important;
  border: none !important;
}
.gist-modal {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  gap: 16px;
}
.edit-share-modal {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 16px;
}
.gist-modal .card-header,
.edit-share-modal .card-header {
  background: var(--panel-2);
  margin-bottom: 0;
  min-height: 0;
}
.edit-share-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}
.edit-share-meta {
  border-right: 1px solid var(--line);
  padding-right: 16px;
  min-height: 0;
  overflow: auto;
  position: relative;
  z-index: 1;
}
.edit-share-editor-shell {
  min-width: 0;
  min-height: 0;
  overflow: auto;
  position: relative;
  z-index: 0;
}
.edit-workspace {
  min-height: 420px;
}
.convert-anchor {
  position: relative;
  display: inline-flex;
}
.convert-popover {
  position: fixed;
  min-width: 240px;
  max-width: min(80vw, 540px);
  padding: 10px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  box-shadow: 0 20px 40px rgba(0,0,0,.35);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  z-index: 1200;
}
.convert-popover.hidden {
  display: none !important;
}
.gist-editor-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 16px;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}
.gist-meta-panel {
  border-right: 1px solid var(--line);
  padding-right: 16px;
  min-height: 0;
  overflow: auto;
  position: relative;
  z-index: 1;
}
.gist-files-panel {
  min-width: 0;
  min-height: 0;
  overflow: auto;
  position: relative;
  z-index: 0;
}
.gist-files-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 4px;
}
.gist-file-nav {
  position: fixed;
  right: 20px;
  bottom: 76px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 1100;
}
.gist-file-nav-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
  border: none;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.35);
  transition: opacity .15s, transform .15s;
  opacity: 0.82;
  line-height: 1;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.gist-file-nav-btn:hover { opacity: 1; transform: scale(1.08); }
.gist-file-nav-btn:disabled { opacity: 0.25; cursor: not-allowed; transform: none; }
.gist-file-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: rgba(255,255,255,0.03);
}
.gist-file-editor-shell {
  position: relative;
  margin-top: 10px;
  min-height: 220px;
}
.gist-file-editor-shell .editor-fab {
  top: 10px;
  right: 10px;
}
.gist-file-editor-shell .CodeMirror,
.gist-file-editor-shell textarea {
  min-height: 220px;
  height: 220px !important;
}
.edit-workspace .CodeMirror {
  min-height: 420px;
  height: 420px !important;
}
.gist-file-card-header {
  display: flex;
  gap: 10px;
  align-items: center;
}
.gist-file-card-header input {
  flex: 1;
}
.gist-file-meta {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-all;
}
.gist-modal > .text-share-actions,
.edit-share-modal > .text-share-actions {
  margin-top: 0;
  padding-top: 0;
  background: none;
  flex-shrink: 0;
}
.gist-modal > .result-box {
  margin-top: 0;
  max-height: 18vh;
  overflow: auto;
}

@media (max-width: 900px) {
  .modal {
    max-height: calc(100dvh - 16px);
    padding: 18px;
    border-radius: 18px;
  }
  .modal.large {
    width: min(96vw, 96vw);
    height: calc(100dvh - 16px);
    max-height: calc(100dvh - 16px);
    padding: 16px;
  }
  .gist-modal .card-header,
  .edit-share-modal .card-header {
    margin: 0;
    padding: 0 0 2px;
  }
  .card-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .edit-share-layout,
  .gist-editor-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 100%;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    padding-right: 2px;
  }
  .edit-share-meta,
  .gist-meta-panel {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding-right: 0;
    padding-bottom: 12px;
    overflow: visible;
    flex: 0 0 auto;
  }
  .edit-share-editor-shell,
  .gist-files-panel {
    flex: 0 0 auto;
    min-height: 0;
    overflow: visible;
  }
  .edit-share-editor-shell {
    margin-top: 16px;
  }
  .edit-workspace {
    min-height: 280px;
  }
  .edit-workspace .CodeMirror {
    min-height: 280px;
    height: 280px !important;
  }
  .gist-file-editor-shell,
  .gist-file-editor-shell .CodeMirror,
  .gist-file-editor-shell textarea {
    min-height: 180px;
    height: 180px !important;
  }
  .text-share-actions {
    margin-top: 0;
    padding-top: 0;
    padding-bottom: max(2px, env(safe-area-inset-bottom));
    background: none;
  }
  .text-share-actions .btn {
    width: 100%;
  }
  .gist-file-card-header {
    align-items: stretch;
    flex-direction: column;
  }
  .gist-file-card-header .gist-file-remove {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .modal {
    width: calc(100vw - 12px);
    max-width: calc(100vw - 12px);
    padding: 14px;
    border-radius: 16px;
  }
}
@media (max-width: 640px) {
  .modal.large {
    width: calc(100vw - 12px);
    height: calc(100dvh - 12px);
    max-height: calc(100dvh - 12px);
    padding: 14px;
    border-radius: 16px;
  }
  .card-header h2 {
    font-size: 22px;
  }
  .card-header .btn.secondary {
    align-self: flex-start;
  }
  .edit-share-layout,
  .gist-editor-grid {
    gap: 10px;
  }
  .edit-share-editor-shell {
    margin-top: 18px;
  }
  .edit-share-meta .text-share-field,
  .gist-meta-panel .text-share-field {
    margin-bottom: 10px;
  }
  .edit-workspace {
    min-height: 240px;
  }
  .edit-workspace .CodeMirror {
    min-height: 240px;
    height: 240px !important;
  }
  .gist-file-card {
    padding: 12px;
  }
  .result-box {
    font-size: 12px;
  }
  .gist-modal > .result-box {
    max-height: 14vh;
  }
}

/* WebDAV Save Settings button specific colors */
#btn-save-webdav {
  background: #161616 !important;
  color: #e0e0e0 !important;
  border-color: rgba(255,255,255,0.1) !important;
}
[data-theme="light"] #btn-save-webdav {
  background: #F0F0F2 !important;
  color: #1d1d1f !important;
  border-color: rgba(0,0,0,0.1) !important;
}

/* Batch delete bar */
.batch-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  margin-top: 8px;
}
.batch-bar span { font-size: 14px; color: var(--text); }

/* Gist raw copy popover */
.gist-raw-popover {
  position: fixed;
  z-index: 1300;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  box-shadow: 0 20px 40px rgba(0,0,0,.4);
  max-width: min(80vw, 480px);
}

/* Clickable raw URL in gist file meta */
.gist-raw-meta-btn {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--accent);
  font-size: 11px;
  padding: 2px 8px;
  cursor: pointer;
  font-family: var(--mono);
  word-break: break-all;
  text-align: left;
  transition: background .15s, border-color .15s;
  max-width: 100%;
}
.gist-raw-meta-btn:hover { background: var(--input-bg); border-color: var(--accent); }