:root {
  --font-ui: system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --fs-xs: 0.6875rem;
  --fs-sm: 0.8125rem;
  --fs-md: 0.875rem;
  --fs-base: 1rem;
  --fs-xl: 3rem;

  --page-bg: light-dark(#fafaf8, #0f1115);
  --panel-bg: light-dark(#ffffff, #14171c);
  --panel-bg2: light-dark(#f4f4f1, #181c23);
  --fg: light-dark(#1a1d22, #d6d9df);
  --fg-dim: light-dark(#4a5059, #a8aeb8);
  --fg-muted: light-dark(#6b717b, #8e95a0);
  --gutter-bg: light-dark(#f4f4f1, #0f1115);
  --gutter-fg: light-dark(#8a919c, #5a616b);
  --border: light-dark(#d8d7d1, #2a3038);
  --border-soft: light-dark(#ecebe6, #1b1f26);
  --accent: light-dark(oklch(0.52 0.14 220), oklch(0.72 0.14 220));
  --accent-bg: light-dark(oklch(0.52 0.14 220 / 0.10), oklch(0.72 0.14 220 / 0.14));
  --accent-bg-gutter: light-dark(oklch(0.52 0.14 220 / 0.15), oklch(0.72 0.14 220 / 0.20));
  --accent-fg: light-dark(oklch(0.38 0.14 220), oklch(0.88 0.09 220));
  --danger: light-dark(oklch(0.52 0.18 25), oklch(0.70 0.16 25));
  --danger-bg: light-dark(oklch(0.52 0.18 25 / 0.08), oklch(0.70 0.16 25 / 0.12));

  /* keep for syntax highlighting compat */
  --main-accent-color: var(--accent);
  --main-highlight-color: var(--accent);
  --main-line-number-color: var(--gutter-fg);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }

html {
  font-size: 16px;
}

body {
  font-family: var(--font-ui);
  font-size: var(--fs-base);
  background: var(--page-bg);
  color: var(--fg);
  overflow: hidden;
}

button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }
textarea { resize: none; }
a, a:visited, a:hover { text-decoration: none; color: inherit; }
svg { display: block; }
::selection { background: rgba(120, 160, 200, 0.25); }

#form {
  height: 100%;
}

#main-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

#content-area {
  display: flex;
  flex: 1;
  min-height: 0;
}

main {
  flex: 1;
  order: 1;
  min-width: 0;
  overflow: auto;
  background: var(--main-bg-color, var(--page-bg));
  color: var(--main-fg-color, var(--fg));
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-bg);
  flex-shrink: 0;
  user-select: none;
}

.nav-group {
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
}

.nav-button {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg);
  background: none;
  border: none;
  padding: 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: color 120ms, background 120ms;
}

.nav-button:hover {
  color: var(--accent);
  background: var(--accent-bg);
}

.nav-button svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  stroke-width: 1.5;
}

.nav-button-danger {
  color: var(--danger);
}

.nav-button-danger:hover {
  background: var(--danger-bg);
  color: var(--danger);
}

.nav-title {
  font-family: var(--font-mono);
  font-size: 0.975rem;
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  padding: 0 6px;
  user-select: text;
}

.nav-title-dim {
  color: var(--fg-muted);
}

.panel {
  width: 280px;
  order: 2;
  flex-shrink: 0;
  background: var(--panel-bg);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.panel-section {
  padding: 16px 18px 18px;
  border-bottom: 1px solid var(--border-soft);
}

.panel-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 10px;
}

.panel-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-soft);
  border-bottom: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.editor-area {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.editor, .source-view {
  display: flex;
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  line-height: 1.54;
  background: var(--main-bg-color, var(--page-bg));
  color: var(--main-fg-color, var(--fg));
}

.editor {
  flex: 1;
  min-height: 0;
}

.source-view {
  min-height: 100%;
}

#line-numbers {
  display: block;
  flex: 0 0 auto;
  padding: 14px 0;
  text-align: right;
  background: var(--gutter-bg);
  color: var(--gutter-fg);
  user-select: none;
  overflow: hidden;
  min-width: 52px;
  border-right: 1px solid var(--border-soft);
  font-variant-numeric: tabular-nums;
}

#line-numbers div {
  height: 1.54em;
  line-height: 1.54em;
  padding: 0 12px 0 16px;
}

.editor textarea {
  flex: 1;
  border: 0;
  outline: 0;
  margin: 0;
  resize: none;
  background: transparent;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  line-height: 1.54;
  padding: 14px 16px;
  caret-color: var(--accent);
  tab-size: 2;
  min-width: 0;
}

.editor textarea::placeholder {
  color: var(--fg-muted);
}

.contents { display: contents; }
.toggle-gap { height: 8px; }

.drop-overlay {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  background: var(--accent-bg);
  border: 2px dashed var(--accent);
  pointer-events: none;
  color: var(--accent-fg);
  font-family: var(--font-mono);
  font-size: var(--fs-base);
  z-index: 50;
}

.drop-overlay.active {
  display: grid;
}

.drop-overlay-text {
  margin-top: 8px;
}

.input-base {
  width: 100%;
  background: var(--panel-bg2);
  border: 1px solid var(--border-soft);
  color: var(--fg);
  padding: 8px 10px;
  font-size: var(--fs-sm);
  font-family: var(--font-mono);
  border-radius: 3px;
  outline: none;
  transition: border-color 120ms;
}

.input-base:focus {
  border-color: var(--accent);
}

.input-base::placeholder {
  color: var(--fg-muted);
}

.lang-filter {
  margin-bottom: 6px;
}

.lang-select {
  width: 100%;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  background: var(--panel-bg2);
  border: 1px solid var(--border-soft);
  color: var(--fg);
  border-radius: 3px;
  outline: none;
  padding: 2px 0;
  transition: border-color 120ms;
}

.lang-select:focus {
  border-color: var(--accent);
}

.lang-select option {
  padding: 3px 10px;
  background: var(--panel-bg2);
  color: var(--fg);
}

.lang-select option:checked {
  background: var(--accent-bg);
  color: var(--accent-fg);
}

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

.expiry-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.expiry-btn {
  display: inline-flex;
  cursor: pointer;
}

.expiry-btn input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.expiry-btn span {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--fg-dim);
  background: var(--panel-bg2);
  border: 1px solid var(--border-soft);
  border-radius: 3px;
  transition: background 100ms, color 100ms, border-color 100ms;
}

.expiry-btn:hover span {
  background: var(--panel-bg);
}

.expiry-btn input[type="radio"]:checked + span {
  background: var(--accent-bg);
  color: var(--accent-fg);
  border-color: var(--accent);
}

.expiry-btn input[type="radio"]:focus-visible + span {
  border-color: var(--accent);
}

.expiry-btn input[type="radio"]:disabled + span {
  opacity: 0.4;
  pointer-events: none;
}

.toggle-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
  cursor: pointer;
}

.toggle-label {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--fg);
}

.toggle-hint {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--fg-dim);
  margin-top: 2px;
}

.toggle-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-track {
  cursor: pointer;
  display: flex;
  align-items: center;
}

.toggle-switch {
  width: 28px;
  height: 16px;
  background: var(--border);
  border-radius: 999px;
  position: relative;
  transition: background 140ms;
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  background: var(--panel-bg);
  border-radius: 999px;
  transition: left 140ms;
}

.toggle-input:checked + .toggle-switch {
  background: var(--accent);
}

.toggle-input:checked + .toggle-switch::after {
  left: 14px;
}

.password-group {
  display: none;
  margin-top: 10px;
}

.password-group.shown {
  display: block;
}

.password-input-wrap {
  position: relative;
}

.password-input-wrap input {
  padding-right: 30px;
  width: 100%;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 4px;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--fg-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 3px;
}

.password-toggle:hover {
  color: var(--fg);
}

.password-toggle svg {
  width: 17px;
  height: 17px;
  stroke-width: 1.75;
}

.password-toggle .eye-hide {
  display: none;
}

.password-toggle.shown .eye-show {
  display: none;
}

.password-toggle.shown .eye-hide {
  display: block;
}

.stats {
  margin-bottom: 10px;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2px;
  margin-bottom: 10px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  color: var(--fg);
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}

.progress-bar {
  height: 3px;
  background: var(--panel-bg2);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 6px;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 200ms;
  width: 0%;
}

.progress-fill.warn {
  background: var(--danger);
}

.progress-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--fg-muted);
  display: flex;
  justify-content: space-between;
}

.paste-btn {
  appearance: none;
  width: 100%;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--page-bg);
  padding: 12px 16px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: opacity 150ms;
}

.paste-btn:hover {
  opacity: 0.9;
}

.paste-btn kbd {
  font-size: var(--fs-xs);
  font-weight: 500;
  opacity: 0.75;
}

.upload-btn {
  margin-top: 8px;
  width: 100%;
  appearance: none;
  border: 1px solid var(--border-soft);
  background: transparent;
  color: var(--fg-dim);
  padding: 7px 10px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: color 120ms, border-color 120ms;
}

.upload-btn:hover {
  color: var(--fg);
  border-color: var(--border);
}

.nav-group .theme-switcher {
  margin-left: 6px;
}

.theme-switcher {
  display: flex;
  gap: 2px;
  background: var(--panel-bg2);
  border-radius: 4px;
  padding: 2px;
}

.theme-opt {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 5px 8px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--fg-muted);
  cursor: pointer;
}

.theme-opt:hover {
  color: var(--fg-dim);
}

.theme-opt.active {
  background: var(--panel-bg);
  color: var(--fg);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.theme-opt svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: max-content;
}

/* source view (paste) — matches editor layout */

.source-view > #line-numbers {
  flex: 0 0 auto;
}

.source-view > .src-code {
  flex: 1;
  margin: 0;
  padding: 14px 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  white-space: pre;
  tab-size: 2;
}

.source-view > .src-code code {
  display: block;
}

.source-view .src-code [id^="LC"] {
  padding: 0 16px;
}

/* line number links in paste view */

.source-view #line-numbers a,
.source-view #line-numbers a:visited {
  color: var(--gutter-fg);
  text-decoration: none;
}

.source-view #line-numbers a:hover,
.source-view #line-numbers a:focus {
  color: var(--accent);
}

/* line highlighting */

.source-view #line-numbers .line-highlight {
  background: var(--accent-bg-gutter);
  font-weight: bold;
}

.source-view .src-code .line-highlight {
  background: var(--accent-bg);
}

/* line wrapping */

.line-wrap .source-view > .src-code {
  white-space: pre-wrap;
  word-wrap: break-word;
}

.markup.underline.link > a, .markup.underline.link > a:visited {
  color: inherit;
}

.markup.underline.link > a:hover {
  font-weight: bold;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  flex-direction: column;
  gap: 24px;
  padding: 24px;
  font-family: var(--font-mono);
  font-size: var(--fs-base);
  color: var(--fg);
}

.flex-center .text-link {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
}

.centered-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.dialog {
  width: min(420px, calc(100vw - 32px));
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 18px;
  gap: 16px;
  font-size: var(--fs-md);
  color: var(--fg);
}

.dialog-header {
  font-weight: 600;
}

.dialog-section {
  line-height: 1.55;
}

.dialog-subtitle {
  color: var(--fg-muted);
  text-align: center;
  font-style: italic;
}

.dialog-qr {
  display: flex;
  justify-content: center;
}

.dialog-qr svg {
  width: 14rem;
}

.dialog > form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0;
  padding: 0;
}

.flex-center .dialog-actions {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  gap: 10px;
}

.flex-center .dialog-actions .button {
  width: auto;
  flex: 0 0 auto;
  padding: 8px 16px;
  font-size: var(--fs-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  line-height: 1;
}

.flex-center .dialog-actions .button-secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}

.flex-center .dialog-actions .button-secondary:hover {
  opacity: 1;
  background: var(--panel-bg2);
}

.centered-body {
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  text-align: center;
  line-height: 1.6;
}

.flex-center .button {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--page-bg);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: 600;
  cursor: pointer;
}

.flex-center .button:hover {
  opacity: 0.9;
}

.flex-center input[type="password"],
.flex-center input[type="text"] {
  width: 100%;
  background: var(--panel-bg2);
  border: 1px solid var(--border-soft);
  color: var(--fg);
  padding: 10px 12px;
  font-size: var(--fs-md);
  font-family: var(--font-mono);
  border-radius: 3px;
  outline: none;
}

.flex-center input[type="password"]:focus,
.flex-center input[type="text"]:focus {
  border-color: var(--accent);
}

.flex-center .controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 280px;
}

.qr-container svg {
  width: 16rem;
}

#overlay {
  position: fixed;
  display: none;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.25);
  cursor: pointer;
  z-index: 100;
}

#overlay-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 14px 18px;
}

#overlay-content table {
  border-spacing: 1.25rem 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--fg);
}

#overlay-content kbd {
  display: inline-block;
  min-width: 20px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  border: 1px solid var(--border-soft);
  background: var(--panel-bg2);
  border-radius: 3px;
  color: var(--fg-dim);
  text-align: center;
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--fg);
  color: var(--page-bg);
  padding: 8px 16px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  z-index: 1000;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.hidden {
  display: none;
}

.shown {
  display: block;
}

.panel::-webkit-scrollbar,
.thin-scroll::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.panel::-webkit-scrollbar-thumb,
.thin-scroll::-webkit-scrollbar-thumb {
  background: rgba(128, 128, 128, 0.25);
  border-radius: 10px;
}

.panel::-webkit-scrollbar-thumb:hover,
.thin-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(128, 128, 128, 0.4);
}

.panel::-webkit-scrollbar-track,
.thin-scroll::-webkit-scrollbar-track {
  background: transparent;
}

:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
}

.markdown-body {
  max-width: 78ch;
  margin: 0 auto;
  padding: 32px 24px 64px;
  font-family: var(--font-ui);
  font-size: var(--fs-base);
  color: var(--fg);
  line-height: 1.65;
  word-wrap: break-word;
  hanging-punctuation: first last;
}

.markdown-body > :first-child { margin-top: 0; }
.markdown-body > :last-child { margin-bottom: 0; }

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin: 1.8em 0 0.6em;
  line-height: 1.25;
  font-weight: 600;
}

.markdown-body h1 { font-size: 1.875rem; padding-bottom: 0.3em; border-bottom: 1px solid var(--border-soft); }
.markdown-body h2 { font-size: 1.5rem; padding-bottom: 0.25em; border-bottom: 1px solid var(--border-soft); }
.markdown-body h3 { font-size: 1.25rem; }
.markdown-body h4 { font-size: 1.05rem; }
.markdown-body h5 { font-size: 0.95rem; color: var(--fg-dim); }
.markdown-body h6 { font-size: 0.875rem; color: var(--fg-muted); }

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body blockquote,
.markdown-body pre,
.markdown-body table {
  margin: 0 0 1em;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 0;
  list-style-position: outside;
}

.markdown-body li + li { margin-top: 0.25em; }
.markdown-body li > ul,
.markdown-body li > ol { padding-left: 1.4em; margin: 0.25em 0; }

.markdown-body li:has(> input[type="checkbox"]) { list-style: none; }
.markdown-body li input[type="checkbox"] {
  margin: 0 0.35em 0 0;
  vertical-align: middle;
}

.markdown-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.markdown-body a:hover { filter: brightness(1.1); }

.markdown-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.15em 0.35em;
  background: var(--panel-bg2);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
}

.markdown-body pre {
  overflow-x: auto;
  padding: 0;
  background: transparent;
  border: none;
}

.markdown-body pre.code-block {
  background: var(--panel-bg2);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  padding: 14px 16px;
  margin-inline: -16px;
  line-height: 1.55;
}

.markdown-body pre.code-block code {
  font-size: var(--fs-md);
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  white-space: pre;
}

.markdown-body blockquote {
  margin-inline: -16px;
  padding: 14px 16px 14px 14px;
  color: var(--fg-dim);
  border: 1px solid var(--border-soft);
  border-left: 3px solid var(--border);
  border-radius: 6px;
  background: var(--panel-bg2);
}

.markdown-body blockquote > :last-child { margin-bottom: 0; }

.markdown-body blockquote[class^="markdown-alert-"] {
  color: var(--fg);
}

.markdown-body .markdown-alert-title {
  margin: 0 0 0.4em;
  font-weight: 600;
  font-size: var(--fs-sm);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.markdown-body .markdown-alert-title + * { margin-top: 0; }

.markdown-body .markdown-alert-note {
  border-left-color: light-dark(oklch(0.52 0.14 250), oklch(0.72 0.14 250));
  background: light-dark(oklch(0.52 0.14 250 / 0.08), oklch(0.72 0.14 250 / 0.12));
}
.markdown-body .markdown-alert-note .markdown-alert-title {
  color: light-dark(oklch(0.42 0.14 250), oklch(0.82 0.12 250));
}

.markdown-body .markdown-alert-tip {
  border-left-color: light-dark(oklch(0.52 0.15 150), oklch(0.72 0.15 150));
  background: light-dark(oklch(0.52 0.15 150 / 0.08), oklch(0.72 0.15 150 / 0.12));
}
.markdown-body .markdown-alert-tip .markdown-alert-title {
  color: light-dark(oklch(0.42 0.15 150), oklch(0.82 0.13 150));
}

.markdown-body .markdown-alert-important {
  border-left-color: light-dark(oklch(0.52 0.17 300), oklch(0.72 0.16 300));
  background: light-dark(oklch(0.52 0.17 300 / 0.08), oklch(0.72 0.16 300 / 0.12));
}
.markdown-body .markdown-alert-important .markdown-alert-title {
  color: light-dark(oklch(0.42 0.17 300), oklch(0.82 0.14 300));
}

.markdown-body .markdown-alert-warning {
  border-left-color: light-dark(oklch(0.58 0.15 75), oklch(0.78 0.15 75));
  background: light-dark(oklch(0.58 0.15 75 / 0.08), oklch(0.78 0.15 75 / 0.12));
}
.markdown-body .markdown-alert-warning .markdown-alert-title {
  color: light-dark(oklch(0.48 0.15 75), oklch(0.85 0.14 75));
}

.markdown-body .markdown-alert-caution {
  border-left-color: var(--danger);
  background: var(--danger-bg);
}
.markdown-body .markdown-alert-caution .markdown-alert-title {
  color: var(--danger);
}

.markdown-body hr {
  height: 1px;
  border: 0;
  background: var(--border-soft);
  margin: 2em 0;
}

.markdown-body table {
  width: auto;
  min-width: 0;
  margin-inline: -12px;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
}

.markdown-body th,
.markdown-body td {
  padding: 6px 12px;
  border: 1px solid var(--border-soft);
  text-align: left;
}

.markdown-body th {
  background: var(--panel-bg2);
  font-weight: 600;
}

.markdown-body img {
  max-width: 100%;
  height: auto;
}

.markdown-body sup { line-height: 1; }

.markdown-body .footnote-definition {
  font-size: var(--fs-sm);
  color: var(--fg-dim);
  border-top: 1px solid var(--border-soft);
  padding-top: 0.6em;
}

@media screen and (max-width: 720px) {
  body {
    overflow: auto;
  }

  #main-container {
    height: auto;
    min-height: 100%;
  }

  #content-area {
    flex-direction: column;
  }

  main {
    min-height: 50vh;
    order: 1;
  }

  .panel {
    width: 100%;
    order: 2;
    border-left: none;
    border-top: 1px solid var(--border);
  }

  .editor {
    min-height: 50vh;
  }

  .flex-center {
    padding: 16px;
  }

  .flex-center .controls {
    width: 100%;
  }

  .theme-switcher span {
    display: none;
  }

  .markdown-body table { margin-inline: 0; }
}