:root {
  --font-mono: 'Cozette Vector', 'MonoLisa Script', 'MonoLisa', 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Source Code Pro', 'Commit Mono', 'Geist Mono', 'Victor Mono', 'Inconsolata', 'Ubuntu Mono', 'Consolas', monospace;

  --color-text: #1d1d1f;
  --color-text-light: #6e6e73;
  --color-text-lighter: #7e7e87;
  --accent: #0d9488;
  --color-bg: #ffffff;
  --color-bg-light: #f5f5f7;
  --color-bg-lighter: #fafafa;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-accent-light: rgba(13, 148, 136, 0.12);
  --hover-color: white;
  --success-bg: var(--diff-add-bg);
  --success-text: var(--stat-add);
  --success-border: var(--stat-add);

  /* Diff colours */
  --diff-code-bg: #fff;
  --diff-add-bg: #d4edda;
  --diff-del-bg: #f8d7da;
  --diff-empty-bg: #eff1f4;
  --diff-add-word-bg: #28a745;
  --diff-del-word-bg: #dc3545;
  --diff-text-on-word: #fff;
  --diff-norm-bg: rgba(245, 158, 11, 0.1);
  --diff-norm-indicator: #d97706;

  /* Line numbers */
  --ln-bg: var(--color-bg);
  --ln-text: #999;
  --ln-border: var(--color-border);

  /* Expansion / collapse UI */
  --expand-bg: rgba(74, 85, 104, 0.05);
  --expand-hover: rgba(74, 85, 104, 0.1);
  --expand-ln-bg: rgba(74, 85, 104, 0.08);
  --expand-text: #4a5568;
  --expand-border: rgba(0, 0, 0, 0.08);
  --context-text: #57606a;

  /* Stats colours */
  --stat-add: #38a169;
  --stat-del: #e53e3e;
  --stat-chg: #565544;
  --stat-add-bg: #dcffe4;
  --stat-del-bg: #ffeef0;
  --stat-chg-bg: #fff29f;

  /* Drag & drop */
  --drag-bg: rgba(13, 148, 136, 0.06);

  /* Minimap viewport */
  --minimap-viewport: rgba(140, 140, 150, 0.4);
  --minimap-viewport-hover: rgba(140, 140, 150, 0.55);

  /* URL warning */
  --warning-text: #d75c05;

  /* Glass effect. */
  --glass-filter: blur(20px) brightness(1.05) saturate(2.5);
  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-highlight: hsl(205 20% 90% / 0.8);
  --glass-shine-1: rgba(255, 255, 255, 0.15);
  --glass-shine-2: rgba(255, 255, 255, 0.05);

  --border-radius: 14px;
  --border-radius-sm: 10px;
  --border-radius-xs: 8px;
  --container-width: 1800px;
  --shadow-md: 0 2px 20px rgba(0, 0, 0, 0.06);
  --shadow-glass: 0 4px 30px rgba(0, 0, 0, 0.08);

  accent-color: var(--accent);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-text: #d4d4d4;
    --color-text-light: #9a9a9a;
    --color-text-lighter: #6d6f74;
    --accent: #5f9e97;
    --color-bg: #131415;
    --color-bg-light: #1a1a1a;
    --color-bg-lighter: #242424;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-accent-light: rgba(95, 158, 151, 0.15);
    --hover-color: black;
    --success-bg: rgba(48, 209, 88, 0.15);
    --success-border: rgba(48, 209, 88, 0.3);

    --diff-code-bg: #101112;
    --diff-empty-bg: #181818;
    --diff-add-bg: #1e3a29;
    --diff-del-bg: #3d1f23;
    --diff-add-word-bg: #28a745;
    --diff-del-word-bg: #dc3545;
    --diff-norm-bg: rgba(251, 191, 36, 0.15);
    --diff-norm-indicator: #fbbf24;

    --ln-bg: var(--color-bg-light);
    --ln-text: #666;
    --ln-border: var(--color-border);

    --expand-bg: rgba(92, 107, 115, 0.05);
    --expand-hover: rgba(92, 107, 115, 0.1);
    --expand-ln-bg: rgba(92, 107, 115, 0.08);
    --expand-text: #6e818d;
    --expand-border: rgba(255, 255, 255, 0.08);
    --context-text: #8b949e;

    --stat-add: #68d391;
    --stat-del: #fc8181;
    --stat-chg: #f6e05e;
    --stat-add-bg: rgba(104, 211, 145, 0.15);
    --stat-del-bg: rgba(252, 129, 129, 0.15);
    --stat-chg-bg: rgba(246, 224, 94, 0.15);

    --drag-bg: rgba(95, 158, 151, 0.1);

    --minimap-viewport: rgba(140, 140, 150, 0.6);
    --minimap-viewport-hover: rgba(140, 140, 150, 0.75);

    --warning-text: #f59e0b;

    --glass-filter: blur(20px) brightness(1.1) saturate(2);
    --glass-bg: rgba(44, 44, 46, 0.6);
    --glass-border: rgba(255, 255, 255, 0);
    --glass-highlight: hsl(205 10% 40% / 0.3);
    --glass-shine-1: rgba(255, 255, 255, 0.06);
    --glass-shine-2: rgba(255, 255, 255, 0.02);

    --shadow-md: 0 2px 20px rgba(0, 0, 0, 0.3);
    --shadow-glass: 0 4px 30px rgba(0, 0, 0, 0.25);
  }
}

/* Glass effect base class. */
.glass {
  position: relative;
  z-index: 1;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
}

.glass::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
  pointer-events: none;
  content: "";
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  transition: -webkit-backdrop-filter 0.2s, backdrop-filter 0.2s;
}

.glass:hover::before {
  -webkit-backdrop-filter: blur(20px) brightness(1.05) saturate(1);
  backdrop-filter: blur(20px) brightness(1.05) saturate(1);
}

.glass::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  box-shadow:
    inset 1px 1px 0.5px var(--glass-shine-1),
    inset 0 0 0 0.5px var(--glass-shine-2);
  border-radius: inherit;
  overflow: hidden;
  pointer-events: none;
  content: "";
}

.glass>* {
  position: relative;
  z-index: 2;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  justify-content: center;
  background-color: var(--color-bg);
  padding: 20px;
  min-height: 100vh;
  color: var(--color-text);
  line-height: 1.6;
  font-family: ui-rounded, -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.content-container {
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-glass);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--border-radius) + 4px);
  background-color: var(--color-bg-light);
  padding: 1.2rem;
  width: var(--container-width);
  max-width: 100%;
  min-height: calc(100vh - 40px);
}

/* Accessibility focus states */
button:focus-visible,
textarea:focus-visible,
.toggle-btn:focus-visible {
  z-index: 10;
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1rem;
  text-align: center;
}

header h1 {
  margin: 0;
  color: var(--accent);
  font-weight: 600;
  font-size: 1.4rem;
}

header p {
  color: var(--color-text-light);
  font-size: 0.85rem;
}

.toolbar {
  display: none;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-top: 1rem;
  margin-right: auto;
  margin-left: auto;
  max-width: 720px;
}

body.viewer .toolbar {
  display: flex;
}

.diff-name-input {
  display: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  margin-top: 0.6rem;
  border: none;
  border-bottom: 1px dashed var(--color-border);
  border-radius: 0;
  background: transparent;
  padding: 6px 4px;
  width: 100%;
  max-width: 400px;
  color: var(--color-text);
  font-size: 0.9rem;
  text-align: center;
}

.diff-name-input:focus {
  outline: none;
  border-bottom-color: var(--accent);
}

.diff-name-input:not(:placeholder-shown) {
  border-bottom-style: solid;
}

body.viewer .diff-name-input {
  display: block;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-label {
  display: inline;
}

.identical-msg {
  display: inline-block;
  border: 1px solid var(--success-border);
  border-radius: var(--border-radius);
  background-color: var(--success-bg);
  padding: 10px 14px;
  width: 100%;
  color: var(--success-text);
  font-weight: 500;
  text-align: center;
}

.identical-msg .normalized-hint {
  opacity: 0.8;
  font-weight: 400;
}

.identical-msg.eof-warning {
  border-color: var(--stat-chg);
  background-color: var(--stat-chg-bg);
  color: var(--stat-chg);
}

.share-container {
  position: relative;
}

.share-container:hover .url-warning:not(:empty) {
  display: block;
}

.url-warning {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  margin-top: 8px;
  box-shadow: var(--shadow-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xs);
  background: var(--color-bg);
  padding: 6px 10px;
  color: var(--warning-text);
  font-size: 11px;
  white-space: nowrap;
}

/* Input mode elements */
.inputs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 1rem;
}

.input-group {
  display: flex;
  flex-direction: column;
}

.input-label {
  margin-bottom: 6px;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.85rem;
}

.input-header {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 6px;
}

.input-header .input-label {
  margin-bottom: 0;
}

.clear-input-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0.4;
  transition: color 0.2s, opacity 0.2s;
  border: none;
  background: transparent;
  padding: 0;
  width: 16px;
  height: 16px;
  color: var(--color-text-light);
  font-size: 16px;
  line-height: 1;
}

.clear-input-btn:hover {
  opacity: 1;
  color: var(--color-text);
}

body.viewer .inputs-grid {
  display: none;
}

.compare-btn {
  display: block;
  margin: 0 auto 1rem;
  border-radius: var(--border-radius);
  padding: 0.6rem 1.5rem;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
}

.compare-btn:hover {
  border-color: var(--accent);
  background: var(--color-accent-light);
}

.compare-btn[aria-busy="true"] {
  animation: stripes 1s linear infinite;
  cursor: wait;
  background-image: linear-gradient(-45deg,
      var(--glass-bg) 25%,
      var(--color-accent-light) 25%,
      var(--color-accent-light) 50%,
      var(--glass-bg) 50%,
      var(--glass-bg) 75%,
      var(--color-accent-light) 75%,
      var(--color-accent-light) 100%);
  background-size: 40px 40px;
}

@keyframes stripes {
  0% {
    background-position: 0 0;
  }

  100% {
    background-position: 40px 0;
  }
}

body.viewer .compare-btn {
  display: none;
}

textarea {
  flex-grow: 1;
  transition: border-color 0.2s, box-shadow 0.2s;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: var(--color-bg);
  padding: 0.8rem;
  width: 100%;
  height: 300px;
  resize: vertical;
  color: var(--color-text);
  font-size: 13px;
  font-family: var(--font-mono);
}

textarea:focus {
  outline: none;
  box-shadow: 0 0 0 4px var(--color-accent-light);
  border-color: var(--accent);
}

button {
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  border-radius: var(--border-radius-sm);
  background: var(--accent);
  padding: 8px 16px;
  color: white;
  font-weight: 600;
  font-size: 14px;
}

button:hover {
  filter: brightness(1.1);
}

button:active {
  filter: brightness(0.95);
}

button:disabled,
button[aria-disabled="true"] {
  opacity: 0.5;
  filter: grayscale(1);
  cursor: not-allowed;
}

.btn-secondary {
  display: flex;
  position: relative;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
  border-radius: var(--border-radius-sm);
  padding: 0 14px;
  height: 32px;
  color: var(--color-text);
  font-weight: 400;
  font-size: 13px;
}

.btn-secondary:hover,
.btn-secondary[aria-expanded="true"] {
  border-color: var(--accent);
  background: var(--color-accent-light);
}

.btn-secondary svg {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
}

#normalizeBtn svg {
  width: 16px;
  height: 16px;
}

/* View toggle (segmented control) */
.view-toggle {
  display: flex;
  border-radius: var(--border-radius-sm);
  padding: 2px;
}

.toggle-btn {
  display: flex;
  position: relative;
  align-items: center;
  z-index: 2;
  transition: color 0.25s;
  cursor: pointer;
  border: none;
  border-radius: var(--border-radius-xs);
  background: transparent;
  padding: 5px 14px;
  color: var(--color-text-light);
  font-weight: 500;
  font-size: 13px;
}

.toggle-btn:hover:not(.active) {
  color: var(--color-text);
}

.toggle-btn.active {
  color: var(--color-text);
}

.toggle-btn::before {
  position: absolute;
  opacity: 0;
  z-index: -1;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease;
  inset: 0;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--color-border);
  border-radius: inherit;
  background: var(--color-bg);
  pointer-events: none;
  content: "";
}

.toggle-btn.active::before {
  transform: translateX(0);
  opacity: 1;
}

.toggle-btn:first-child:not(.active)::before {
  transform: translateX(50%);
}

.toggle-btn:last-child:not(.active)::before {
  transform: translateX(-50%);
}

.input-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.85rem;
}

/* Stats */
.stats {
  display: none;
  margin-bottom: 0.5rem;
  font-size: 12px;
}

.stats.visible {
  display: block;
}

.stats .pill {
  display: inline-block;
  margin-right: 8px;
  border-radius: 20px;
  padding: 4px 12px;
  font-weight: 600;
}

.stats .pill.add {
  background: var(--stat-add-bg);
  color: var(--stat-add);
}

.stats .pill.del {
  background: var(--stat-del-bg);
  color: var(--stat-del);
}

/* Split stats (attributed to each side) */
.stats-split {
  display: none;
  padding: 0 0 10px 0;
  font-size: 12px;
}

.stats-split.visible {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.stats-split .left,
.stats-split .right {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 10px;
}

.stats-split .pill {
  display: inline-flex;
  align-items: center;
  border-radius: 20px;
  padding: 4px 12px;
  font-weight: 500;
}

.stats-split .pill.del {
  background: var(--stat-del-bg);
  color: var(--stat-del);
}

.stats-split .pill.add {
  background: var(--stat-add-bg);
  color: var(--stat-add);
}

.stats-split .pill .lines {
  opacity: 0.7;
  font-weight: 400;
  font-size: 11px;
}

.separator {
  margin-inline: 0.35em;
  font-weight: 400;
  user-select: none;
}

/* Copy side button */
.copy-side-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s;
  cursor: pointer;
  border-radius: var(--border-radius-xs);
  padding: 5px 10px;
  color: var(--color-text-light);
  font-weight: 500;
  font-size: 12px;
}

.copy-side-btn:hover {
  border-color: var(--accent);
  background: var(--color-accent-light);
  color: var(--color-text);
}

.copy-side-btn svg {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
}


/* Diff output */
.diff {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  background: var(--diff-code-bg);
  overflow: auto;
  font-size: 13px;
  font-family: var(--font-mono);

  table {
    border-collapse: collapse;
    width: 100%;
  }

  td {
    vertical-align: top;
    padding: 0 10px;
    white-space: pre-wrap;
    word-break: break-word;
  }

  /* Line number */
  .ln {
    border-right: 1px solid var(--ln-border);
    background: var(--ln-bg);
    padding: 0 10px;
    width: 1%;
    min-width: 44px;
    color: var(--ln-text);
    user-select: none;
    text-align: right;
    white-space: nowrap;
  }

  .code.empty {
    background-color: var(--diff-empty-bg);
    user-select: none;

    /* Zero-width space forces the cell to be 1 line high */
    &::before {
      content: "\200b";
    }
  }

  /* Diff status colours */
  .add {
    background: var(--diff-add-bg);
  }

  .del {
    background: var(--diff-del-bg);
  }

  .add-word {
    background: var(--diff-add-word-bg);
    color: var(--diff-text-on-word);
  }

  .del-word {
    background: var(--diff-del-word-bg);
    color: var(--diff-text-on-word);
  }

  /* The +/- Marker */
  .marker {
    display: inline-block;
    vertical-align: top;
    margin-right: 5px;
    width: 15px;
    color: var(--ln-text);
    user-select: none;
  }

  tr.normalized td.code {
    border-left: 2px dashed var(--ln-border);
  }
}

body.viewer,
body.editing {
  height: 100vh;
  min-height: 100vh;
  overflow: hidden;
}

body.viewer .content-container,
body.editing .content-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 40px);
}

/* Diff wrapper */
.diff-wrapper {
  position: relative;
}

body.viewer .diff-wrapper,
body.editing .diff-wrapper {
  display: flex;
  flex: 1;
  min-height: 0;
}

body.viewer .diff,
body.editing .diff {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
}

body.editing {
  overflow: auto;
}

body.editing .content-container {
  overflow: auto;
}

body.editing .diff-wrapper {
  min-height: 400px;
}

/* Location bar (minimap) */
.minimap {
  display: none;
  position: relative;
  flex-shrink: 0;
  border-top: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-top-right-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
  background: var(--ln-bg);
  width: 48px;
  overflow: hidden;
}

.minimap canvas {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  width: 100%;
  height: 100%;
}

.minimap .viewport {
  position: absolute;
  right: 0;
  left: 0;
  cursor: grab;
  background: var(--minimap-viewport);
}

.minimap .viewport::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: "";
  -webkit-backdrop-filter: blur(8px) brightness(1.1) saturate(1.5);
  backdrop-filter: blur(8px) brightness(1.1) saturate(1.5);
}

.minimap .viewport::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  content: "";
}

.minimap .viewport:hover {
  background: var(--minimap-viewport-hover);
}

.minimap.dragging .viewport {
  cursor: grabbing;
  background: var(--minimap-viewport-hover);
}

body.viewer .minimap,
body.editing .minimap {
  display: block;
}

/* Split: single table with 4 columns */
.sbs-table {
  width: 100%;
  table-layout: fixed;
}

.sbs-table .left-ln,
.sbs-table .right-ln {
  width: 44px;
}

.sbs-table .left-code,
.sbs-table .right-code {
  width: calc(50% - 44px);
}

.sbs-table .left-code {
  border-right: 1px solid var(--color-border);
}

.select-left .right-code,
.select-left .right-ln {
  user-select: none;
}

.select-right .left-code,
.select-right .left-ln {
  user-select: none;
}

/* Unified view */
.unified .code {
  width: auto;
}

.unified .ln-old,
.unified .ln-new {
  width: 1%;
  min-width: 40px;
}

.unified .collapsed-row {
  position: relative;
}

.unified .collapsed-row .expand-icon {
  position: absolute;
  top: 50%;
  left: 14px;
  transform: translateY(-50%);
}

.unified .collapsed-row .code {
  max-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Collapsed row (clickable to expand) */
.collapsed-row {
  cursor: pointer;
}

.collapsed-row td {
  border-top: 1px solid var(--expand-border);
  border-bottom: 1px solid var(--expand-border);
  background: var(--expand-bg);
}

tr:first-child.collapsed-row td {
  border-top: none;
}

tr:last-child.collapsed-row td {
  border-bottom: none;
}

.collapsed-row:hover td {
  background: var(--expand-hover);
}

.collapsed-row .ln {
  vertical-align: middle;
  background: var(--expand-ln-bg);
}

.collapsed-row .expand-icon {
  display: block;
  margin: 0 auto;
  width: 18px;
  height: 18px;
  color: var(--expand-text);
}

.collapsed-row .hunk-header {
  color: var(--expand-text);
  font-weight: 600;
}

.collapsed-row .hunk-context {
  color: var(--context-text);
}

.collapsed-row .code {
  user-select: none;
}

/* Expanded region: top/bottom rows with collapse icon */
.expand-boundary {
  cursor: pointer;
}

.expand-boundary td {
  background: var(--expand-bg);
}

.expand-boundary:hover td {
  background: var(--expand-hover);
}

.expand-boundary .ln {
  vertical-align: middle;
  background: var(--expand-ln-bg);
}

.expand-boundary .ln .collapse-icon {
  display: block;
  margin: 0 auto;
  width: 18px;
  height: 18px;
  color: var(--expand-text);
}

.collapse-indicator {
  display: inline-flex;
  align-items: center;
  margin-right: 6px;
}

.collapse-indicator .collapse-icon {
  width: 16px;
  height: 16px;
  color: var(--expand-text);
}

/* Expanded content rows (between boundaries) */
.expanded-content {
  cursor: default;
}

/* Drag-and-drop */
textarea.dragover {
  outline: 3px dashed var(--accent);
  border-color: var(--accent);
  background: var(--drag-bg);
}

/* Utility */
.hidden {
  display: none;
}

.mobile-only {
  display: none;
}

/* Dropdown panels (shared) */
.dropdown-container {
  position: relative;
}

.dropdown-panel {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  flex-direction: column;
  gap: 10px;
  transform: translateX(-50%);
  z-index: 100;
  margin-top: 8px;
  box-shadow: var(--shadow-glass);
  border-radius: var(--border-radius);
  padding: 14px;
  min-width: 260px;
}

.dropdown-panel.visible {
  display: flex;
}

.dropdown-panel label {
  color: var(--color-text);
  font-size: 12px;
}

.dropdown-panel input[type="text"] {
  transition: border-color 0.2s, box-shadow 0.2s;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background: var(--color-bg);
  padding: 10px;
  color: var(--color-text);
  font-size: 13px;
  font-family: var(--font-mono);
}

.dropdown-panel input[type="text"]:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-light);
  border-color: var(--accent);
}

.dropdown-panel button {
  align-self: flex-end;
}

.dropdown-title {
  margin-bottom: 4px;
  color: var(--color-text);
  font-weight: 600;
  font-size: 13px;
}

/* Normalize dropdown */
#normalizeDropdown {
  min-width: 190px;
}

#normalizeDropdown label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 5px 0;
  color: var(--color-text);
  font-size: 13px;
}

#normalizeDropdown label:hover {
  color: var(--accent);
}

#normalizeDropdown input[type="checkbox"] {
  cursor: pointer;
  border-radius: 4px;
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

#normalizeDropdown label:has(input:disabled) {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Active indicator dot on button */
.btn-secondary.has-active::after {
  position: absolute;
  top: 5px;
  right: 5px;
  bottom: auto;
  left: auto;
  border-radius: 50%;
  background: var(--accent);
  width: 7px;
  height: 7px;
  content: "";
}

tr.normalized td.code {
  border-left: none;
  /* Remove the old lame border */
  background-color: var(--diff-norm-bg);
}

tr.normalized td.ln {
  color: var(--diff-norm-indicator);
}

.no-newline-row td {
  color: var(--color-text-light);
  font-style: italic;
  font-size: 11px;
  user-select: none;
}

.no-newline-row .no-newline-symbol {
  color: var(--stat-del);
  font-style: normal;
}

/* Footer */
.app-footer {
  margin-top: auto;
  padding-top: 1rem;
  color: var(--color-text-light);
  font-size: 13px;
  text-align: center;
}

.app-footer a {
  transition: color 0.2s;
  color: var(--accent);
  text-decoration: none;
}

.app-footer a:hover {
  text-decoration: underline;
}

.app-footer .heart {
  color: #ff3b30;
}

@media (min-width: 768px) {
  .inputs-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .mobile-only {
    display: block;
  }

  .desktop-only {
    display: none;
  }

  body {
    padding: 0;
  }

  .content-container {
    border-radius: 0;
    padding: 0.8rem;
    min-height: 100vh;
  }

  /* Compact diff table */
  .diff {
    font-size: 11px;
  }

  .diff .ln {
    padding: 0 6px;
    min-width: 28px;
    font-size: 10px;
  }

  .diff td.code {
    padding: 0 6px;
  }

  /* Compact stats */
  .stats-split .left,
  .stats-split .right {
    gap: 6px;
    padding-left: 6px;
  }

  .stats-split .pill {
    padding: 3px 10px;
    font-size: 11px;
  }

  .stats-split .pill .lines.mobile-only {
    display: inline;
    margin-left: 0.3em;
    font-size: 10px;
    letter-spacing: 0.05em;
  }

  /* Compact copy button */
  .copy-side-btn {
    padding: 4px 6px;
  }

  .copy-side-btn svg {
    width: 12px;
    height: 12px;
  }

  .toolbar {
    gap: 6px;
  }

  .toolbar-group {
    gap: 6px;
  }

  .btn-secondary {
    padding: 6px 10px;
  }

  .btn-label {
    display: none;
  }

  .toggle-btn {
    padding: 5px 10px;
    font-size: 12px;
  }

  .dropdown-panel {
    position: fixed;
    top: auto;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 8px;
  }

  tr.normalized td.code {
    border-left: 3px solid var(--diff-norm-indicator);
  }
}