.post-editor-app {
  --write-bg: #f6f8fb;
  --write-panel: rgba(255, 255, 255, 0.92);
  --write-line: #e6eaf0;
  --write-text: #202733;
  --write-muted: #687386;
  --write-blue: #3370ff;
  --write-blue-deep: #245bdb;
  --write-green: #2bb673;
  --write-shadow: 0 18px 50px rgba(24, 37, 62, 0.12);
  min-height: 100vh;
  margin: -40px auto 0;
  padding: 22px;
  background:
    radial-gradient(circle at 8% 0%, rgba(51, 112, 255, 0.12), transparent 30%),
    linear-gradient(180deg, #fafdff 0%, var(--write-bg) 48%, #f7f4fb 100%);
  color: var(--write-text);
}

.write-topbar {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1440px;
  margin: 0 auto 18px;
  padding: 14px 18px;
  border: 1px solid rgba(214, 222, 235, 0.86);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 10px 34px rgba(36, 60, 110, 0.08);
  backdrop-filter: blur(14px);
}

.write-kicker {
  margin: 0 0 4px;
  color: var(--write-blue);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.write-topbar h1 {
  margin: 0;
  color: var(--write-text);
  font-size: 1.45rem;
  line-height: 1.18;
}

.write-actions,
.write-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.write-button,
.write-tool {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--write-line);
  border-radius: 6px;
  background: #fff;
  color: var(--write-text);
  font-size: 0.86rem;
  font-weight: 800;
  cursor: pointer;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.write-button:hover,
.write-tool:hover {
  border-color: rgba(51, 112, 255, 0.5);
  box-shadow: 0 8px 24px rgba(51, 112, 255, 0.12);
  transform: translateY(-1px);
}

.write-button:disabled,
.write-tool:disabled {
  cursor: wait;
  opacity: 0.58;
  transform: none;
}

.write-button-primary {
  border-color: transparent;
  background: linear-gradient(180deg, #4b83ff, var(--write-blue-deep));
  color: #fff;
}

.write-button-wide {
  width: 100%;
}

.write-layout {
  display: grid;
  grid-template-columns: minmax(260px, 310px) minmax(0, 1fr);
  gap: 18px;
  max-width: 1440px;
  margin: 0 auto;
}

.write-sidebar {
  display: grid;
  align-content: start;
  gap: 14px;
}

.write-panel,
.write-editor-shell {
  border: 1px solid rgba(214, 222, 235, 0.86);
  border-radius: 8px;
  background: var(--write-panel);
  box-shadow: var(--write-shadow);
}

.write-panel {
  padding: 16px;
}

.write-panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: #293244;
  font-size: 0.92rem;
  font-weight: 900;
}

.write-panel-title i {
  color: var(--write-blue);
}

.write-field {
  display: grid;
  gap: 7px;
  margin-bottom: 12px;
  color: var(--write-muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.write-field input,
.write-field textarea {
  width: 100%;
  border: 1px solid var(--write-line);
  border-radius: 6px;
  background: #fbfcfe;
  color: var(--write-text);
  padding: 9px 10px;
  outline: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.write-field textarea {
  resize: vertical;
  min-height: 86px;
}

.write-field input:focus,
.write-field textarea:focus {
  border-color: rgba(51, 112, 255, 0.65);
  box-shadow: 0 0 0 3px rgba(51, 112, 255, 0.12);
}

.write-check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0 12px;
  color: var(--write-muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.write-check input {
  accent-color: var(--write-blue);
}

.write-editor-shell {
  min-width: 0;
  overflow: hidden;
}

.write-toolbar {
  min-height: 56px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--write-line);
  background: rgba(255, 255, 255, 0.72);
}

.write-tool {
  min-height: 32px;
  padding: 0 10px;
  background: #f9fbff;
  font-size: 0.8rem;
}

.write-status {
  margin-left: auto;
  color: var(--write-muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.write-editor {
  min-height: 720px;
}

.write-fallback-textarea {
  width: 100%;
  min-height: 720px;
  border: none;
  background: #fff;
  color: var(--write-text);
  padding: 24px;
  outline: none;
  font: 500 16px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  resize: vertical;
}

.write-editor .toastui-editor-defaultUI {
  border: none;
  font-family: inherit;
}

.write-editor .toastui-editor-defaultUI-toolbar {
  border-bottom: 1px solid var(--write-line);
  background: #fff;
}

.write-editor .toastui-editor-main,
.write-editor .toastui-editor-contents {
  font-size: 16px;
}

.write-editor .toastui-editor-contents mark {
  padding: 0.08em 0.25em;
  border-radius: 4px;
  background: linear-gradient(180deg, rgba(255, 238, 140, 0.9), rgba(255, 221, 82, 0.7));
}

.write-toast {
  position: fixed;
  z-index: 10000;
  right: 22px;
  bottom: 24px;
  max-width: min(420px, calc(100vw - 40px));
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(27, 38, 55, 0.94);
  color: #fff;
  box-shadow: 0 16px 42px rgba(20, 30, 48, 0.26);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.write-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

body.post-editor-page #page-header,
body.post-editor-page #footer {
  display: none;
}

body.post-editor-page #content-inner.layout {
  display: block;
  max-width: none;
  padding: 0;
}

body.post-editor-page #page {
  padding: 0;
  background: transparent !important;
  box-shadow: none;
}

@media (max-width: 980px) {
  .post-editor-app {
    padding: 14px;
  }

  .write-topbar {
    position: static;
    align-items: stretch;
    flex-direction: column;
  }

  .write-layout {
    grid-template-columns: 1fr;
  }

  .write-editor {
    min-height: 620px;
  }
}

@media (max-width: 640px) {
  .write-actions .write-button,
  .write-tool {
    flex: 1 1 auto;
  }

  .write-status {
    width: 100%;
    margin-left: 0;
  }
}