.rv-editor-main {
  --rv-ink: #1e3d49;
  --rv-muted: #64808a;
  --rv-accent: #238fa0;
  --rv-accent-strong: #0f7082;
  --rv-violet: #7b6ab5;
  --rv-glass-surface: rgba(247, 253, 254, 0.72);
  --rv-glass-strong: rgba(255, 255, 255, 0.88);
  --rv-glass-line: rgba(255, 255, 255, 0.78);
  --rv-border: rgba(31, 104, 117, 0.16);
  --rv-shadow: 0 24px 60px rgba(24, 77, 91, 0.14);
  position: relative;
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  isolation: isolate;
  color: var(--rv-ink);
  background: linear-gradient(135deg, #e7f8f9 0%, #dcecf7 52%, #ece7fa 100%);
}

.rv-editor-main .rv-editor-ambient {
  position: absolute;
  z-index: -1;
  width: 34vw;
  height: 34vw;
  min-width: 240px;
  min-height: 240px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(8px);
  opacity: 0.55;
}

.rv-editor-main .rv-editor-ambient--cyan {
  top: -16vw;
  left: -8vw;
  background: rgba(96, 211, 218, 0.36);
}

.rv-editor-main .rv-editor-ambient--violet {
  right: -12vw;
  bottom: -18vw;
  background: rgba(157, 135, 222, 0.3);
}

.rv-editor-main .editormd-fullscreen {
  z-index: 9;
}

.rv-editor-main .rv-editor-shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
  margin: 8px;
  overflow: hidden;
  border: 1px solid var(--rv-glass-line);
  border-radius: 16px;
  background: var(--rv-glass-surface);
  box-shadow: var(--rv-shadow), inset 0 1px rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(24px) saturate(130%);
  -webkit-backdrop-filter: blur(24px) saturate(130%);
}

/* Fixed Editor.md overlays must escape the glass shell's containing block. */
.rv-editor-main.rv-editor-overlay-open .rv-editor-shell,
.rv-editor-main.rv-editor-fullscreen-active .rv-editor-shell {
  overflow: visible;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.rv-editor-main .rv-editor-workbench-header {
  position: relative;
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 7px 14px;
  border-bottom: 1px solid var(--rv-border);
}

.rv-editor-main .rv-editor-brand {
  display: flex;
  flex: 0 1 auto;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.rv-editor-main .rv-editor-brand-mark {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: #fff;
  background: linear-gradient(145deg, var(--rv-accent), var(--rv-violet));
  border-radius: 9px;
  box-shadow: 0 8px 18px rgba(35, 143, 160, 0.22);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.rv-editor-main .rv-editor-brand-name,
.rv-editor-main .rv-editor-document-name {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rv-editor-main .rv-editor-brand-name {
  color: var(--rv-ink);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.02em;
}

.rv-editor-main .rv-editor-document-name {
  max-width: 220px;
  margin-top: 1px;
  color: var(--rv-muted);
  font-size: 12px;
}

.rv-editor-main .rv-editor-actions,
.rv-editor-main .rv-editor-actions-right,
.rv-editor-main .rv-editor-control-group {
  display: flex;
  align-items: center;
}

.rv-editor-main .rv-editor-actions {
  flex: 0 1 auto;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}

.rv-editor-main .rv-editor-control-group {
  flex: 0 1 auto;
  gap: 8px;
  min-width: 0;
}

.rv-editor-main .rv-editor-control-group label {
  flex: 0 0 auto;
  color: var(--rv-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.rv-editor-main .rv-editor-actions select,
.rv-editor-main .rv-editor-actions button {
  min-height: 32px;
  padding: 5px 9px;
  color: var(--rv-ink);
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid var(--rv-border);
  border-radius: 10px;
  font: inherit;
  transition: background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.rv-editor-main .rv-editor-actions select {
  min-width: 125px;
  cursor: pointer;
}

.rv-editor-main .rv-editor-actions button {
  cursor: pointer;
  white-space: nowrap;
}

.rv-editor-main .rv-editor-actions button:hover {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(35, 143, 160, 0.42);
  box-shadow: 0 5px 14px rgba(24, 77, 91, 0.1);
  transform: translateY(-1px);
}

.rv-editor-main .rv-editor-actions button:active {
  background: rgba(229, 247, 249, 0.9);
  transform: translateY(0);
}

.rv-editor-main .rv-editor-actions select:focus-visible,
.rv-editor-main .rv-editor-actions button:focus-visible {
  outline: 3px solid rgba(35, 143, 160, 0.28);
  outline-offset: 2px;
  border-color: var(--rv-accent);
}

.rv-editor-main .rv-editor-actions button:disabled {
  cursor: wait;
  opacity: 0.58;
  box-shadow: none;
  transform: none;
}

.rv-editor-main .rv-editor-actions-right {
  justify-content: flex-end;
  gap: 6px;
  min-width: 0;
}

.rv-editor-main #rv-editor-status {
  min-width: 64px;
  padding: 5px 8px;
  color: var(--rv-accent-strong);
  background: rgba(226, 247, 248, 0.74);
  border: 1px solid rgba(35, 143, 160, 0.14);
  border-radius: 999px;
  font-size: 12px;
  line-height: 20px;
  text-align: center;
  white-space: nowrap;
}

.rv-editor-main #rv-editor-status[data-state="working"] {
  color: #125f6b;
  background: rgba(143, 230, 237, 0.48);
}

.rv-editor-main #rv-editor-status[data-state="success"] {
  color: #286a51;
  background: rgba(190, 239, 210, 0.62);
}

.rv-editor-main #rv-editor-status[data-state="error"] {
  color: #9a3f4d;
  background: rgba(255, 216, 220, 0.72);
}

.rv-editor-main #rv-editor-status[data-state="idle"] {
  color: var(--rv-accent-strong);
  background: rgba(226, 247, 248, 0.74);
}

.rv-editor-main .rv-editor-workspace {
  position: relative;
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

/* Editor.md owns display, pane widths and inline resize/preview offsets. */
.rv-editor-main .editormd {
  width: 100% !important;
  height: 100% !important;
  margin: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.rv-editor-main .editormd-toolbar {
  height: 38px;
  min-height: 38px;
  border-bottom: 1px solid var(--rv-border);
  background: rgba(255, 255, 255, 0.48);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.66);
  backdrop-filter: blur(18px) saturate(125%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
}

.rv-editor-main .editormd-toolbar-container {
  height: 37px;
  min-height: 37px;
  padding: 0 6px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.rv-editor-main .editormd-toolbar-container::-webkit-scrollbar {
  display: none;
}

.rv-editor-main .editormd-menu {
  display: flex;
  align-items: center;
  width: max-content;
  min-width: 100%;
  white-space: nowrap;
  color: var(--rv-muted);
}

.rv-editor-main .editormd-menu > li {
  flex: 0 0 auto;
  padding: 3px 0;
}

.rv-editor-main .editormd-menu > li.divider {
  height: 17px;
  margin: 0 3px;
  border-right-color: var(--rv-border);
}

.rv-editor-main .editormd-menu > li > a {
  min-width: 27px;
  min-height: 28px;
  margin: 0;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--rv-muted);
  transition: background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.rv-editor-main .editormd-menu > li + li > a {
  margin-left: 1px;
}

.rv-editor-main .editormd-menu > li > a > .fa {
  padding: 4px;
}

.rv-editor-main .editormd-menu > li > a:hover,
.rv-editor-main .editormd-menu > li > a.active,
.rv-editor-main .editormd-menu > li > a:focus-visible {
  color: var(--rv-accent-strong);
  border-color: rgba(34, 143, 160, 0.22);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 4px 12px rgba(42, 118, 132, 0.12);
}

.rv-editor-main .editormd-dropdown-menu {
  color: var(--rv-ink);
  border-color: var(--rv-border);
  border-radius: 10px;
  background: var(--rv-glass-strong);
  box-shadow: 0 12px 28px rgba(24, 77, 91, 0.16);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.rv-editor-main .editormd-dropdown-menu:before {
  border-bottom-color: var(--rv-border);
}

.rv-editor-main .editormd-dropdown-menu:after {
  border-bottom-color: var(--rv-glass-strong);
}

.rv-editor-main .editormd-dropdown-menu > li + li {
  border-top-color: var(--rv-border);
}

.rv-editor-main .editormd-dropdown-menu > li > a {
  color: var(--rv-ink);
  border-radius: 8px;
}

.rv-editor-main .editormd-dropdown-menu > li > a:hover,
.rv-editor-main .editormd-dropdown-menu > li > a:focus-visible {
  color: var(--rv-accent-strong);
  background: rgba(226, 247, 248, 0.9);
}

.rv-editor-main .editormd-container {
  /* Editor.md measures the toolbar height for pane offsets. */
  background: transparent;
}

.rv-editor-main .CodeMirror,
.rv-editor-main .editormd-preview {
  background: rgba(250, 254, 255, 0.66);
}

.rv-editor-main .CodeMirror {
  color: var(--rv-ink);
  border-right: 1px solid var(--rv-border);
}

.rv-editor-main .CodeMirror-gutters {
  border-right-color: var(--rv-border);
  background: rgba(231, 244, 247, 0.72);
}

.rv-editor-main .CodeMirror-linenumber {
  color: var(--rv-muted);
}

.rv-editor-main .CodeMirror-selected {
  background: rgba(103, 197, 212, 0.3);
}

.rv-editor-main .CodeMirror-focused .CodeMirror-selected {
  background: rgba(103, 197, 212, 0.42);
}

.rv-editor-main .CodeMirror-cursor,
.rv-editor-main .CodeMirror .CodeMirror-cursor {
  border-left-color: var(--rv-accent-strong);
}

.rv-editor-main .CodeMirror-activeline-background {
  background: rgba(224, 244, 247, 0.56);
}

.rv-editor-main .CodeMirror-vscrollbar,
.rv-editor-main .CodeMirror-hscrollbar,
.rv-editor-main .editormd-preview {
  scrollbar-color: rgba(63, 133, 148, 0.48) rgba(231, 244, 247, 0.6);
  scrollbar-width: thin;
}

.rv-editor-main .CodeMirror-scrollbar-filler,
.rv-editor-main .CodeMirror-gutter-filler {
  background: #edf7f9;
}

.rv-editor-main .editormd ::-webkit-scrollbar {
  width: 8px;
  height: 8px;
  background: rgba(231, 244, 247, 0.6);
}

.rv-editor-main .editormd ::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 8px;
  background: rgba(63, 133, 148, 0.48);
  background-clip: padding-box;
}

.rv-editor-main .editormd ::-webkit-scrollbar-thumb:hover {
  background-color: rgba(35, 143, 160, 0.7);
}

.rv-editor-main .editormd-preview {
  box-shadow: inset 1px 0 rgba(255, 255, 255, 0.65);
}

.rv-editor-main .editormd-preview-container {
  /* Do not theme article typography or palette: #bm-md owns those. */
  min-height: 100%;
}

.rv-editor-main .editormd-preview-container:not(#bm-md) pre {
  border: 1px solid var(--rv-border);
  border-radius: 10px;
  background: rgba(237, 247, 249, 0.9);
}

.rv-editor-main .editormd-preview-container:not(#bm-md) pre code {
  background: transparent;
}

.rv-editor-main .editormd-dialog {
  color: var(--rv-ink);
  border: 1px solid var(--rv-border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--rv-shadow), inset 0 1px #fff;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.rv-editor-main .editormd-dialog-header {
  border-bottom-color: var(--rv-border);
  border-radius: 16px 16px 0 0;
  background: rgba(231, 244, 247, 0.66);
}

.rv-editor-main .editormd-dialog-header:hover {
  background: rgba(226, 247, 248, 0.9);
}

.rv-editor-main .editormd-dialog-footer {
  border-top: 1px solid var(--rv-border);
  margin-top: 12px;
}

.rv-editor-main .editormd-form,
.rv-editor-main .editormd-form label {
  color: var(--rv-muted);
}

.rv-editor-main .editormd-form input[type="text"],
.rv-editor-main .editormd-form input[type="number"],
.rv-editor-main .editormd-form textarea,
.rv-editor-main .editormd-dialog textarea,
.rv-editor-main .editormd-dialog select {
  min-height: 36px;
  color: var(--rv-ink);
  border: 1px solid var(--rv-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: inset 0 1px 3px rgba(24, 77, 91, 0.04);
}

.rv-editor-main .editormd-btn,
.rv-editor-main .editormd-dialog button,
.rv-editor-main .editormd-dialog input[type="submit"],
.rv-editor-main .editormd-form button,
.rv-editor-main .editormd-form input[type="submit"] {
  min-height: 36px;
  color: var(--rv-accent-strong);
  border: 1px solid var(--rv-border);
  border-radius: 9px;
  background: var(--rv-glass-strong);
  transition: background-color 160ms ease, border-color 160ms ease;
}

.rv-editor-main .editormd-btn:hover,
.rv-editor-main .editormd-dialog button:hover,
.rv-editor-main .editormd-dialog input[type="submit"]:hover,
.rv-editor-main .editormd-form button:hover,
.rv-editor-main .editormd-form input[type="submit"]:hover {
  border-color: var(--rv-accent);
  background: rgba(226, 247, 248, 0.9);
}

.rv-editor-main .editormd-dialog :disabled,
.rv-editor-main .editormd-form :disabled {
  opacity: 0.58;
  cursor: not-allowed;
}

.rv-editor-main .editormd-code-toolbar {
  color: var(--rv-muted);
  border-bottom: 1px solid var(--rv-border);
  background: rgba(231, 244, 247, 0.66);
  border-radius: 8px;
}

.rv-editor-main .editormd-dialog-close,
.rv-editor-main .editormd-preview-close-btn {
  color: var(--rv-accent-strong);
  border: 1px solid var(--rv-border);
  border-radius: 9px;
  background: var(--rv-glass-strong);
}

.rv-editor-main .editormd-dialog-close:hover,
.rv-editor-main .editormd-preview-close-btn:hover {
  color: var(--rv-ink);
  background: #e2f7f8;
}

.rv-editor-main .editormd a:focus-visible,
.rv-editor-main .editormd input:focus-visible,
.rv-editor-main .editormd textarea:focus-visible,
.rv-editor-main .editormd select:focus-visible,
.rv-editor-main .editormd button:focus-visible {
  outline: 3px solid rgba(35, 143, 160, 0.42);
  outline-offset: 2px;
}

.rv-editor-main .editormd-mask,
.rv-editor-main .editormd-dialog-mask-bg {
  background: rgba(43, 86, 98, 0.28);
  opacity: 1;
  filter: none;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.rv-editor-main .editormd-container-mask {
  /* Keep the native loading image and visibility logic. */
  background-color: #f7fdfe;
}

.rv-editor-main .editormd-onlyread .editormd-preview {
  top: 0;
  height: 100%;
  background: rgba(255, 255, 255, 0.56);
}

.rv-editor-main .editormd-onlyread .CodeMirror {
  margin-top: 0;
  height: 100%;
}

.rv-editor-main .editormd-fullscreen.rv-editor-fullscreen {
  z-index: 9;
  border-radius: 0;
  background: linear-gradient(135deg, #e7f8f9, #dcecf7 52%, #ece7fa);
}

.rv-editor-main .editormd-fullscreen.rv-editor-fullscreen .editormd-toolbar {
  background: rgba(255, 255, 255, 0.62);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .rv-editor-main .rv-editor-shell,
  .rv-editor-main .editormd-toolbar,
  .rv-editor-main .editormd-dropdown-menu,
  .rv-editor-main .CodeMirror,
  .rv-editor-main .editormd-preview,
  .rv-editor-main .editormd-onlyread .editormd-preview,
  .rv-editor-main .editormd-dialog,
  .rv-editor-main .editormd-fullscreen.rv-editor-fullscreen .editormd-toolbar {
    background: #f7fdfe;
  }

  .rv-editor-main .editormd-mask,
  .rv-editor-main .editormd-dialog-mask-bg {
    background: rgba(43, 86, 98, 0.38);
  }
}

.rv-editor-main.rv-log-main {
  min-width: 0;
  overflow-y: auto;
  box-sizing: border-box;
  padding-top: 16px;
  padding-right: 16px;
  padding-bottom: 16px;
  padding-left: var(--sidebar-width, 240px);
}

body.bs-left-container-close .rv-editor-main.rv-log-main {
  padding-left: 16px;
}

.rv-editor-main .rv-log-panel {
  width: min(100%, 1100px);
  min-width: 0;
  box-sizing: border-box;
  margin: 0 auto;
  padding: 18px;
  border: 1px solid var(--rv-border);
  border-radius: 16px;
  background: var(--rv-glass-strong);
  box-shadow: var(--rv-shadow);
}

.rv-editor-main .rv-log-heading,
.rv-editor-main .rv-log-filters,
.rv-editor-main .rv-log-pagination {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.rv-editor-main .rv-log-heading {
  justify-content: space-between;
}

.rv-editor-main .rv-log-heading h1 {
  margin: 0;
  font-size: 20px;
}

.rv-editor-main .rv-log-heading p,
.rv-editor-main .rv-log-count {
  color: var(--rv-muted);
  font-size: 13px;
}

.rv-editor-main .rv-log-filters {
  margin: 14px 0;
}

.rv-editor-main .rv-log-filters label {
  display: flex;
  flex: 1 1 150px;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
}

.rv-editor-main .rv-log-filters input,
.rv-editor-main .rv-log-filters select,
.rv-editor-main .rv-log-filters button {
  min-height: 36px;
  padding: 6px 9px;
  border: 1px solid var(--rv-border);
  border-radius: 8px;
  background: #fff;
  color: var(--rv-ink);
}

.rv-editor-main .rv-log-filters button {
  align-self: flex-end;
  cursor: pointer;
}

.rv-editor-main .rv-log-entry {
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--rv-border);
  border-radius: 10px;
  background: #fff;
}

.rv-editor-main .rv-log-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
  margin: 8px 0;
}

.rv-editor-main .rv-log-number {
  min-width: 28px;
  color: var(--rv-muted);
  font-size: 12px;
}

.rv-editor-main .rv-log-select {
  display: flex;
  flex: 0 0 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--rv-border);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
}

.rv-editor-main .rv-log-select input,
.rv-editor-main .rv-log-bulk input {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.rv-editor-main .rv-log-bulk {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px;
}

.rv-editor-main .rv-log-bulk label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.rv-editor-main .rv-log-bulk button {
  padding: 7px 12px;
  border: 1px solid var(--rv-border);
  border-radius: 8px;
  background: #fff;
  color: var(--rv-ink);
  cursor: pointer;
}

.rv-editor-main .rv-log-bulk button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.rv-editor-main .rv-log-notice {
  color: var(--rv-ink);
}

.rv-editor-main .rv-log-entry summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  cursor: pointer;
  overflow-wrap: anywhere;
}

.rv-editor-main .rv-log-entry summary span,
.rv-editor-main .rv-log-entry summary time {
  color: var(--rv-muted);
  font-size: 12px;
}

.rv-editor-main .rv-log-entry pre {
  overflow: auto;
  max-height: 60vh;
  padding: 12px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: #f2f8fa;
  color: var(--rv-ink);
}

.rv-editor-main .rv-log-pagination {
  justify-content: center;
  margin-top: 14px;
}

.rv-editor-main.rv-tutorial-main { min-height: 100vh; padding: 28px 28px 44px; }
.rv-editor-main.rv-tutorial-main { min-width: 0; height: 100%; overflow: hidden; box-sizing: border-box; padding-left: var(--sidebar-width, 240px); }
body.bs-left-container-close .rv-editor-main.rv-tutorial-main { padding-left: 28px; }
.rv-editor-main .rv-tutorial-panel { width: min(1120px, 100%); height: 100%; max-height: 100%; margin: 0 auto; overflow-x: hidden; overflow-y: scroll; scrollbar-gutter: stable; scrollbar-width: thin; border: 1px solid rgba(103, 130, 170, 0.22); border-radius: 26px; background: rgba(247, 250, 255, 0.86); box-shadow: 0 24px 70px rgba(45, 74, 122, 0.12); }
.rv-editor-main .rv-tutorial-panel::-webkit-scrollbar { width: 10px; }
.rv-editor-main .rv-tutorial-panel::-webkit-scrollbar-track { background: rgba(201, 218, 235, 0.32); }
.rv-editor-main .rv-tutorial-panel::-webkit-scrollbar-thumb { border: 3px solid transparent; border-radius: 999px; background: rgba(69, 133, 166, 0.52); background-clip: padding-box; }
.rv-editor-main .rv-tutorial-hero { padding: 46px 52px 36px; background: linear-gradient(135deg, rgba(230, 244, 255, 0.96), rgba(244, 239, 255, 0.92) 52%, rgba(255, 248, 238, 0.92)); border-bottom: 1px solid rgba(103, 130, 170, 0.16); }
.rv-editor-main .rv-tutorial-kicker, .rv-editor-main .rv-tutorial-step-tag, .rv-editor-main .rv-tutorial-index { color: #647694; font-size: 11px; font-weight: 800; letter-spacing: 0.15em; text-transform: uppercase; }
.rv-editor-main .rv-tutorial-kicker { display: flex; align-items: center; gap: 9px; }
.rv-editor-main .rv-tutorial-kicker-dot { width: 8px; height: 8px; border-radius: 50%; background: #2c9fce; box-shadow: 0 0 0 5px rgba(44, 159, 206, 0.12); }
.rv-editor-main .rv-tutorial-hero-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr); gap: 52px; align-items: end; margin-top: 24px; }
.rv-editor-main .rv-tutorial-hero h1 { margin: 0; color: #183152; font-size: clamp(34px, 5vw, 58px); letter-spacing: -0.05em; line-height: 1; }
.rv-editor-main .rv-tutorial-lead { max-width: 690px; margin: 20px 0 0; color: #536783; font-size: 17px; line-height: 1.8; }
.rv-editor-main .rv-tutorial-hero-note { display: grid; gap: 8px; padding: 20px; border: 1px solid rgba(95, 129, 177, 0.2); border-radius: 18px; background: rgba(255, 255, 255, 0.52); color: #667995; font-size: 13px; line-height: 1.7; }
.rv-editor-main .rv-tutorial-hero-note strong { color: #23456e; font-size: 19px; }
.rv-editor-main .rv-tutorial-hero-note-label { color: #2c9fce; font-size: 10px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.rv-editor-main .rv-tutorial-route { display: flex; align-items: center; gap: 14px; margin-top: 40px; color: #506b8d; font-size: 12px; font-weight: 700; }
.rv-editor-main .rv-tutorial-route span { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.rv-editor-main .rv-tutorial-route b { color: #248db8; font-size: 10px; }
.rv-editor-main .rv-tutorial-route i { flex: 1; height: 1px; background: rgba(91, 125, 169, 0.28); }
.rv-editor-main .rv-tutorial-section { padding: 46px 52px; }
.rv-editor-main .rv-tutorial-section + .rv-tutorial-section { border-top: 1px solid rgba(103, 130, 170, 0.14); }
.rv-editor-main .rv-tutorial-section-heading { display: grid; grid-template-columns: 100px 1fr; gap: 26px; align-items: start; margin-bottom: 28px; }
.rv-editor-main .rv-tutorial-section-heading h2 { margin: 0; color: #1e3555; font-size: 27px; letter-spacing: -0.03em; }
.rv-editor-main .rv-tutorial-section-heading p { margin: 8px 0 0; color: #7889a2; font-size: 14px; }
.rv-editor-main .rv-tutorial-steps { display: grid; }
.rv-editor-main .rv-tutorial-step { display: grid; grid-template-columns: 72px 1fr; gap: 26px; position: relative; padding-bottom: 36px; }
.rv-editor-main .rv-tutorial-step:not(.rv-tutorial-step--last)::after { content: ''; position: absolute; top: 46px; bottom: 0; left: 21px; width: 1px; background: linear-gradient(#8fcde1, rgba(143, 205, 225, 0.12)); }
.rv-editor-main .rv-tutorial-step-number { position: relative; z-index: 1; display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid #9ed5e8; border-radius: 14px; background: #effaff; color: #258cb4; font-size: 13px; font-weight: 800; }
.rv-editor-main .rv-tutorial-step-body { padding-top: 2px; }
.rv-editor-main .rv-tutorial-step h3 { margin: 7px 0 10px; color: #243d5f; font-size: 21px; }
.rv-editor-main .rv-tutorial-step p { max-width: 820px; margin: 0; color: #657792; font-size: 14px; line-height: 1.85; }
.rv-editor-main .rv-tutorial-example { display: grid; gap: 8px; max-width: 820px; margin-top: 17px; padding: 15px 17px; border-left: 3px solid #4eafd0; border-radius: 0 12px 12px 0; background: #f1f8fc; color: #55718d; font-size: 12px; line-height: 1.7; }
.rv-editor-main .rv-tutorial-example strong { color: #2c6e91; }
.rv-editor-main .rv-tutorial-example code { color: #46677f; font-family: Consolas, 'Courier New', monospace; white-space: normal; }
.rv-editor-main .rv-tutorial-points { display: grid; gap: 7px; max-width: 820px; margin: 16px 0 0; padding: 0; list-style: none; color: #657792; font-size: 13px; line-height: 1.7; }
.rv-editor-main .rv-tutorial-points li::before { content: '•'; margin-right: 9px; color: #43a9c9; font-weight: 800; }
.rv-editor-main .rv-tutorial-choice-grid, .rv-editor-main .rv-tutorial-output-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 820px; margin-top: 18px; }
.rv-editor-main .rv-tutorial-choice-grid span, .rv-editor-main .rv-tutorial-output-grid > div { display: grid; gap: 5px; padding: 15px; border: 1px solid rgba(112, 145, 185, 0.18); border-radius: 14px; background: rgba(252, 253, 255, 0.72); }
.rv-editor-main .rv-tutorial-choice-grid b, .rv-editor-main .rv-tutorial-output-grid strong { color: #375677; font-size: 13px; }
.rv-editor-main .rv-tutorial-choice-grid em { color: #8493a8; font-size: 11px; font-style: normal; }
.rv-editor-main .rv-tutorial-output-icon { display: grid; place-items: center; width: 31px; height: 31px; margin-bottom: 8px; border-radius: 10px; background: #eaf7fb; color: #2789af; font-size: 13px; font-weight: 800; }
.rv-editor-main .rv-tutorial-output-grid p { margin-top: 3px; font-size: 12px; line-height: 1.7; }
.rv-editor-main .rv-tutorial-section--split { background: rgba(245, 249, 255, 0.56); }
.rv-editor-main .rv-tutorial-checklist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; overflow: hidden; border: 1px solid rgba(112, 145, 185, 0.18); border-radius: 16px; background: rgba(112, 145, 185, 0.15); }
.rv-editor-main .rv-tutorial-checklist label { display: grid; grid-template-columns: 35px 95px 1fr; gap: 10px; align-items: center; padding: 17px 18px; background: rgba(255, 255, 255, 0.78); }
.rv-editor-main .rv-tutorial-checklist label > span { color: #4ba4c4; font-size: 11px; font-weight: 800; }
.rv-editor-main .rv-tutorial-checklist b { color: #3b5878; font-size: 13px; }
.rv-editor-main .rv-tutorial-checklist em { color: #8493a8; font-size: 12px; font-style: normal; line-height: 1.5; }
.rv-editor-main .rv-tutorial-faq { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.rv-editor-main .rv-tutorial-faq details { padding: 17px; border: 1px solid rgba(112, 145, 185, 0.18); border-radius: 14px; background: rgba(255, 255, 255, 0.7); }
.rv-editor-main .rv-tutorial-faq summary { cursor: pointer; color: #385675; font-size: 13px; font-weight: 700; line-height: 1.6; }
.rv-editor-main .rv-tutorial-faq p { margin: 11px 0 0; color: #71839d; font-size: 12px; line-height: 1.75; }
.rv-editor-main .rv-tutorial-footer { display: flex; align-items: center; gap: 18px; padding: 22px 52px 28px; border-top: 1px solid rgba(103, 130, 170, 0.14); color: #8797ac; font-size: 12px; }
.rv-editor-main .rv-tutorial-footer span { color: #365677; font-size: 13px; font-weight: 800; }
.rv-editor-main .rv-tutorial-footer p { flex: 1; margin: 0; }
.rv-editor-main .rv-tutorial-footer a { color: #258cb4; font-weight: 700; text-decoration: none; }

@media (max-width: 900px) {
  .rv-editor-main.rv-log-main {
    padding-left: 16px;
  }

  .rv-editor-main .rv-editor-shell {
    margin: 5px;
    border-radius: 14px;
  }

  .rv-editor-main .rv-editor-workbench-header {
    flex-wrap: wrap;
    gap: 6px 10px;
    padding: 7px 10px;
  }

  .rv-editor-main .rv-editor-actions {
    flex: 1 1 auto;
    gap: 7px;
  }

  .rv-editor-main .rv-editor-actions-right {
    gap: 5px;
  }

  .rv-editor-main .rv-editor-document-name {
    max-width: 145px;
  }

  .rv-editor-main.rv-tutorial-main { padding-top: 16px; padding-right: 16px; padding-bottom: 28px; padding-left: 16px; }
  .rv-editor-main .rv-tutorial-hero,
  .rv-editor-main .rv-tutorial-section { padding-left: 28px; padding-right: 28px; }
  .rv-editor-main .rv-tutorial-hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .rv-editor-main .rv-tutorial-output-grid,
  .rv-editor-main .rv-tutorial-faq { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .rv-editor-main.rv-log-main {
    padding: 8px;
  }

  .rv-editor-main .rv-editor-shell {
    margin: 0;
    border: 0;
    border-radius: 0;
  }

  .rv-editor-main .rv-editor-workbench-header {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 5px;
    min-height: 0;
    padding: 6px 8px;
  }

  .rv-editor-main .rv-editor-brand {
    max-width: calc(100% - 80px);
  }

  .rv-editor-main .rv-editor-brand-mark {
    width: 28px;
    height: 28px;
  }

  .rv-editor-main .rv-editor-brand-name {
    font-size: 12px;
  }

  .rv-editor-main .rv-editor-document-name {
    max-width: min(55vw, 240px);
    font-size: 11px;
  }

  .rv-editor-main .rv-editor-actions {
    flex: 0 0 auto;
    width: 100%;
    gap: 5px;
  }

  .rv-editor-main .rv-editor-control-group {
    flex: 0 0 112px;
  }

  .rv-editor-main .rv-editor-control-group label {
    display: none;
  }

  .rv-editor-main .rv-editor-control-group select {
    width: 100%;
    min-width: 0;
    min-height: 36px;
    padding: 4px 5px;
    font-size: 12px;
  }

  .rv-editor-main .rv-editor-actions-right {
    flex: 1 1 0;
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .rv-editor-main .rv-editor-actions-right::-webkit-scrollbar {
    display: none;
  }

  .rv-editor-main .rv-editor-actions-right button {
    flex: 0 0 auto;
    min-height: 36px;
    padding: 5px 7px;
    font-size: 12px;
  }

  .rv-editor-main .editormd-menu > li > a {
    min-width: 33px;
    min-height: 32px;
  }

  .rv-editor-main #rv-editor-status {
    position: absolute;
    top: 6px;
    right: 8px;
    min-width: 0;
    max-width: 74px;
    overflow: hidden;
    padding: 3px 6px;
    font-size: 11px;
    text-overflow: ellipsis;
  }

  .rv-editor-main.rv-tutorial-main { padding: 0; }
  .rv-editor-main .rv-tutorial-panel { border-radius: 0; }
  .rv-editor-main .rv-tutorial-hero,
  .rv-editor-main .rv-tutorial-section { padding: 28px 18px; }
  .rv-editor-main .rv-tutorial-hero h1 { font-size: 39px; }
  .rv-editor-main .rv-tutorial-lead { font-size: 15px; }
  .rv-editor-main .rv-tutorial-route { gap: 8px; margin-top: 28px; overflow-x: auto; padding-bottom: 3px; }
  .rv-editor-main .rv-tutorial-route i { min-width: 18px; }
  .rv-editor-main .rv-tutorial-section-heading { grid-template-columns: 1fr; gap: 8px; }
  .rv-editor-main .rv-tutorial-step { grid-template-columns: 52px 1fr; gap: 13px; }
  .rv-editor-main .rv-tutorial-choice-grid,
  .rv-editor-main .rv-tutorial-checklist { grid-template-columns: 1fr; }
  .rv-editor-main .rv-tutorial-checklist label { grid-template-columns: 32px 1fr; }
  .rv-editor-main .rv-tutorial-checklist em { grid-column: 2; }
  .rv-editor-main .rv-tutorial-footer { align-items: flex-start; flex-direction: column; padding: 20px 18px 26px; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .rv-editor-main *,
  .rv-editor-main *:before,
  .rv-editor-main *:after,
  .rv-editor-main .editormd-fullscreen.rv-editor-fullscreen * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }

  .rv-editor-main .rv-editor-actions select,
  .rv-editor-main .rv-editor-actions button {
    transition: none;
  }

  .rv-editor-main .rv-editor-actions button:hover,
  .rv-editor-main .rv-editor-actions button:active {
    transform: none;
  }
}

.rv-about-overlay[hidden] {
  display: none;
}

.rv-about-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(17, 43, 56, 0.46);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.rv-about-card {
  position: relative;
  width: min(100%, 400px);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  box-sizing: border-box;
  padding: 32px 28px 26px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 22px;
  color: #1e3d49;
  background: linear-gradient(145deg, #ffffff 0%, #ecf8f9 75%, #f1edfa 100%);
  box-shadow: 0 24px 70px rgba(12, 46, 62, 0.26);
  text-align: center;
}

.rv-about-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: #64808a;
  background: transparent;
  font-size: 24px;
  line-height: 32px;
  cursor: pointer;
}

.rv-about-close:hover,
.rv-about-close:focus-visible {
  color: #0f7082;
  background: rgba(35, 143, 160, 0.1);
}

.rv-about-logo {
  display: block;
  width: 88px;
  height: 88px;
  margin: 0 auto 10px;
  object-fit: contain;
}

.rv-about-card h2 {
  margin: 0 0 5px;
  font-size: 22px;
  font-weight: 700;
}

.rv-about-email {
  margin: 0 0 22px;
  color: #64808a;
  font-size: 13px;
}

.rv-about-card a {
  color: #0f7082;
  text-decoration: none;
}

.rv-about-card a:hover {
  text-decoration: underline;
}

.rv-about-details {
  padding: 12px 16px;
  border: 1px solid rgba(31, 104, 117, 0.12);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.68);
  text-align: left;
}

.rv-about-details p {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 8px 0;
  font-size: 13px;
}

.rv-about-details span {
  flex: 0 0 auto;
  color: #64808a;
}

.rv-about-details strong {
  font-weight: 600;
  text-align: right;
}

.rv-about-copyright,
.rv-about-icp {
  margin: 17px 0 0;
  color: #64808a;
  font-size: 11px;
  line-height: 1.6;
}

.rv-about-icp {
  margin-top: 3px;
}