:root {
  --bg: #f0efe9;
  --panel: #fffdf8;
  --ink: #1f2328;
  --muted: #5a6470;
  --accent: #0d7a6f;
  --accent-strong: #085e56;
  --border: #d8d3c4;
  --error: #a22d2d;
  --shadow: 0 10px 25px rgba(31, 35, 40, 0.08);
  --mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;

  /* Additional colors for theming */
  --input-bg: #fff;
  --tab-bg: #fbf9f2;
  --editor-bg: #fff;
  --editor-text: #18202a;
  --header-bg: #f7f3ea;
  --result-bg: #fff;
  --gradient-1: #d4ece8;
  --gradient-2: #f5dfc2;

  /* Syntax highlighting */
  --syn-keyword: #7a2f83;
  --syn-string: #0f6d40;
  --syn-comment: #6f7780;
  --syn-number: #9a4500;
  --syn-builtin: #0c5f90;
  --syn-decorator: #8e3600;
  --syn-punct: #545d66;

  /* Error box */
  --error-bg: #fff3f2;
  --error-border: #e6b8b5;
  --error-text: #7a271f;
  --error-muted: #8a332a;
  --error-pre-border: #efd2cf;
  --error-pre-bg: #fff;
  --error-pre-text: #3b2020;

  /* Buttons */
  --btn-hover-bg: #e7f3f1;
  --btn-danger-bg: #be3a34;
  --toggle-enabled-bg: #e8f4f2;
  --toggle-enabled-border: rgba(13, 122, 111, 0.35);
  --toggle-disabled-bg: #f6f5f2;
  --toggle-disabled-text: #7a818b;
  --disabled-text: #64707d;
}

[data-theme="dark"] {
  --bg: #121212;
  --panel: #1e1e1e;
  --ink: #e4e4e4;
  --muted: #b8c0cc;
  --accent: #14b8a6;
  --accent-strong: #2dd4bf;
  --border: #3a3a3a;
  --error: #f87171;
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.4);

  --input-bg: #2a2a2a;
  --tab-bg: #252525;
  --editor-bg: #1a1a1a;
  --editor-text: #e4e4e4;
  --header-bg: #252525;
  --result-bg: #1a1a1a;
  --gradient-1: rgba(20, 184, 166, 0.08);
  --gradient-2: rgba(245, 158, 11, 0.06);

  /* Syntax highlighting - brighter for dark mode */
  --syn-keyword: #c084fc;
  --syn-string: #4ade80;
  --syn-comment: #6b7280;
  --syn-number: #fb923c;
  --syn-builtin: #60a5fa;
  --syn-decorator: #fbbf24;
  --syn-punct: #9ca3af;

  /* Error box */
  --error-bg: rgba(248, 113, 113, 0.1);
  --error-border: #7f1d1d;
  --error-text: #fca5a5;
  --error-muted: #f87171;
  --error-pre-border: #7f1d1d;
  --error-pre-bg: #1a1a1a;
  --error-pre-text: #fecaca;

  /* Buttons */
  --btn-hover-bg: rgba(20, 184, 166, 0.15);
  --btn-danger-bg: #dc2626;
  --toggle-enabled-bg: rgba(20, 184, 166, 0.15);
  --toggle-enabled-border: rgba(20, 184, 166, 0.4);
  --toggle-disabled-bg: #2a2a2a;
  --toggle-disabled-text: #6b7280;
  --disabled-text: #6b7280;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121212;
    --panel: #1e1e1e;
    --ink: #e4e4e4;
    --muted: #b8c0cc;
    --accent: #14b8a6;
    --accent-strong: #2dd4bf;
    --border: #3a3a3a;
    --error: #f87171;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.4);

    --input-bg: #2a2a2a;
    --tab-bg: #252525;
    --editor-bg: #1a1a1a;
    --editor-text: #e4e4e4;
    --header-bg: #252525;
    --result-bg: #1a1a1a;
    --gradient-1: rgba(20, 184, 166, 0.08);
    --gradient-2: rgba(245, 158, 11, 0.06);

    --syn-keyword: #c084fc;
    --syn-string: #4ade80;
    --syn-comment: #6b7280;
    --syn-number: #fb923c;
    --syn-builtin: #60a5fa;
    --syn-decorator: #fbbf24;
    --syn-punct: #9ca3af;

    --error-bg: rgba(248, 113, 113, 0.1);
    --error-border: #7f1d1d;
    --error-text: #fca5a5;
    --error-muted: #f87171;
    --error-pre-border: #7f1d1d;
    --error-pre-bg: #1a1a1a;
    --error-pre-text: #fecaca;

    --btn-hover-bg: rgba(20, 184, 166, 0.15);
    --btn-danger-bg: #dc2626;
    --toggle-enabled-bg: rgba(20, 184, 166, 0.15);
    --toggle-enabled-border: rgba(20, 184, 166, 0.4);
    --toggle-disabled-bg: #2a2a2a;
    --toggle-disabled-text: #6b7280;
    --disabled-text: #6b7280;
  }
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 15%, var(--gradient-1) 0%, transparent 40%),
    radial-gradient(circle at 80% 0%, var(--gradient-2) 0%, transparent 35%),
    var(--bg);
  height: 100%;
  overflow: hidden;
}

.container {
  max-width: 1900px;
  height: 100%;
  margin: 0 auto;
  padding: 16px 16px 16px;
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  gap: 12px;
}

.workspace {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  min-width: 0;
  min-height: 0;
}

.header-title {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-config {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 10px 16px;
}

h1 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.header-btn {
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--ink);
  cursor: pointer;
  padding: 0 14px;
  font-size: 0.88rem;
  font-weight: 600;
  transition: background 0.15s, border-color 0.15s;
}

.header-btn:hover {
  border-color: var(--accent);
  background: var(--btn-hover-bg);
  color: var(--accent-strong);
}

.header-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.config-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.config-row .advanced-config {
  flex: 1;
  min-width: 0;
  margin-bottom: 0;
}

.python-version-group {
  display: flex;
  gap: 6px;
  align-items: center;
  cursor: pointer;
  white-space: nowrap;
  height: 34px;
}

.python-version-label {
  font-size: 0.88rem;
  color: var(--muted);
  font-weight: 600;
}

.python-version-select {
  padding: 4px 6px;
  border-radius: 999px;
  font-size: 0.86rem;
}

.gist-load-group {
  display: flex;
  gap: 4px;
  align-items: center;
}

.gist-input {
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--ink);
  padding: 0 12px;
  font-size: 0.86rem;
  width: 160px;
}

.gist-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(13, 122, 111, 0.18);
}

.gist-input::placeholder {
  color: var(--muted);
  opacity: 0.7;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: background 0.15s, border-color 0.15s;
}

.theme-toggle:hover {
  border-color: var(--accent);
  background: var(--btn-hover-bg);
}

.theme-icon-dark {
  display: none;
}

[data-theme="dark"] .theme-icon-light {
  display: none;
}

[data-theme="dark"] .theme-icon-dark {
  display: inline;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon-light {
    display: none;
  }
  :root:not([data-theme="light"]) .theme-icon-dark {
    display: inline;
  }
}

.status {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.status-compact {
  margin-top: 16px;
}

.status-busy::before {
  content: "";
  display: inline-block;
  width: 0.85em;
  height: 0.85em;
  margin-right: 0.4em;
  border: 2px solid #e8a832;
  border-top-color: transparent;
  border-radius: 50%;
  vertical-align: -0.1em;
  animation: status-spin 0.8s linear infinite;
}

@keyframes status-spin {
  to { transform: rotate(360deg); }
}

.meta-pending::before {
  content: "";
  display: inline-block;
  width: 0.75em;
  height: 0.75em;
  margin-right: 0.35em;
  border: 2px solid #e8a832;
  border-top-color: transparent;
  border-radius: 50%;
  vertical-align: -0.1em;
  opacity: 0;
  animation: status-spin 0.8s linear infinite, meta-fadein 0s 0.5s forwards;
}

@keyframes meta-fadein {
  to { opacity: 1; }
}

.deps-row {
  margin: 0 0 8px;
  display: grid;
  grid-template-columns: auto minmax(260px, 1fr);
  gap: 8px;
  align-items: center;
}

.deps-label {
  font-size: 0.88rem;
  color: var(--muted);
  font-weight: 600;
}

.deps-input {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  background: var(--input-bg);
  color: var(--ink);
  font-size: 0.9rem;
  resize: vertical;
}

.deps-textarea {
  width: 100%;
  margin-bottom: 12px;
  box-sizing: border-box;
}

.deps-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(13, 122, 111, 0.18);
}

.deps-note {
  margin-bottom: 0;
}

.deps-note code {
  font-family: var(--mono);
  font-size: 0.86em;
}

.advanced-section-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.deps-note + .advanced-section-label {
  margin-bottom: 4px;
}

.advanced-section-label + .deps-textarea {
  margin-top: 0;
}

.advanced-section-label + .advanced-section-label,
.deps-note + .advanced-section-label {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.advanced-section-label ~ .deps-row {
  margin-top: 12px;
}

.advanced-config {
  margin: 0 0 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--input-bg);
}

.advanced-config > summary {
  cursor: pointer;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.advanced-config > summary:hover {
  color: var(--accent-strong);
}

.advanced-config-body {
  border-top: 1px solid var(--border);
  padding: 10px 10px 6px;
}

.dep-error {
  margin: 0 0 8px;
  border: 1px solid var(--error-border);
  background: var(--error-bg);
  color: var(--error-text);
  border-radius: 10px;
  padding: 10px 12px;
}

.dep-error.hidden {
  display: none;
}

.dep-error-title {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.dep-error-meta {
  margin: 0 0 6px;
  font-size: 0.85rem;
  color: var(--error-muted);
}

.dep-error code {
  font-family: var(--mono);
  font-size: 0.85em;
}

.dep-error pre {
  margin: 0;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--error-pre-border);
  background: var(--error-pre-bg);
  color: var(--error-pre-text);
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.35;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.tabs-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

#tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  min-width: 0;
}

.tab {
  border: 1px solid var(--border);
  background: var(--tab-bg);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.92rem;
  min-width: 0;
}

.tab-file {
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.tab-rename {
  background: var(--input-bg);
  color: var(--ink);
  cursor: text;
  min-width: 150px;
  max-width: 280px;
  outline: none;
}

.tab-rename:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(13, 122, 111, 0.18);
}

.tab-item {
  display: flex;
  gap: 4px;
  align-items: center;
  min-width: 0;
}

button,
input,
textarea {
  font: inherit;
}

.tab-icon {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: 0;
  font-size: 0.95rem;
}

.tab-add {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.tab-add:hover {
  background: var(--btn-hover-bg);
}

.tab-remove:hover {
  background: var(--btn-danger-bg);
  border-color: var(--btn-danger-bg);
  color: #fff;
}

.tab-remove:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.tab-item[draggable="true"] {
  cursor: grab;
}

.tab-item[draggable="true"]:active {
  cursor: grabbing;
}

.tab-item.tab-dragging {
  opacity: 0.4;
}

.tab-item.tab-drag-over-before {
  box-shadow: -3px 0 0 0 var(--accent);
}

.tab-item.tab-drag-over-after {
  box-shadow: 3px 0 0 0 var(--accent);
}

.editor-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.editor-wrap .resize-handle {
  display: none;
}

.editor-shell {
  flex: 1;
  min-height: 200px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

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

.editor-overflow-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: linear-gradient(to bottom, transparent 0%, var(--editor-bg) 85%);
  z-index: 2;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.editor-shell.has-overflow-below .editor-overflow-fade {
  opacity: 1;
  pointer-events: auto;
}

.editor-expand-btn {
  all: unset;
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
  width: 24px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px 6px 0 0;
  color: var(--muted);
  background: var(--editor-bg);
  border: 1px solid var(--border);
  border-bottom: none;
  transition: color 0.15s, background 0.15s;
}

.editor-expand-btn:hover {
  color: var(--fg);
  background: var(--header-bg);
}

#line-numbers {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--gutter-width, 36px);
  height: 100%;
  padding: 14px 0 14px 0;
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.45;
  text-align: right;
  color: color-mix(in srgb, var(--muted) 50%, transparent);
  background: var(--editor-bg);
  border-right: 1px solid var(--border);
  overflow: hidden;
  user-select: none;
  cursor: pointer;
  z-index: 1;
}

#line-numbers .ln {
  display: block;
  padding-right: 8px;
}

#line-numbers .ln:hover {
  color: var(--muted);
}

/* Column guide */
.col-guide-wrap {
  position: relative;
  flex-shrink: 0;
  z-index: 2;
}

.col-guide-bar {
  position: relative;
  height: 22px;
  border-bottom: 1px solid var(--border);
  background: var(--editor-bg);
  overflow: hidden;
  transition: height 0.15s ease, border-color 0.15s ease;
}

.col-guide-wrap.collapsed .col-guide-bar {
  height: 0;
  border-bottom-color: transparent;
}

.col-guide-toggle {
  all: unset;
  box-sizing: border-box;
  position: absolute;
  top: 0;
  left: 0;
  width: var(--gutter-width, 36px);
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: color-mix(in srgb, var(--muted) 50%, transparent);
  background: var(--editor-bg);
  border-right: 1px solid var(--border);
  cursor: pointer;
  z-index: 3;
  user-select: none;
  transition: color 0.15s;
}

.col-guide-wrap.collapsed .col-guide-toggle {
  height: 18px;
  font-size: 0.65rem;
  border-bottom: 1px solid var(--border);
  border-radius: 0 0 4px 0;
  opacity: 0.6;
  transition: opacity 0.15s, color 0.15s;
}

.col-guide-wrap.collapsed .col-guide-toggle:hover {
  opacity: 1;
}

.col-guide-toggle:hover {
  color: var(--muted);
}

.col-guide {
  position: absolute;
  top: 0;
  left: calc(var(--gutter-width, 36px) + 12px);
  height: 22px;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 22px;
  color: color-mix(in srgb, var(--muted) 50%, transparent);
  user-select: none;
  pointer-events: none;
}

.col-guide .cg-num {
  position: absolute;
  top: 0;
  text-align: center;
  font-size: 0.7rem;
  line-height: 22px;
}

.col-guide .cg-tick {
  position: absolute;
  bottom: 0;
  width: 1px;
  height: 4px;
  background: color-mix(in srgb, var(--muted) 30%, transparent);
}

.col-guide .cg-tick.major {
  height: 6px;
}

.col-guide-cursor {
  position: absolute;
  top: 0;
  height: 22px;
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 22px;
  text-align: center;
  min-width: 2ch;
  color: var(--accent-strong);
  font-weight: 700;
  pointer-events: none;
  user-select: none;
  translate: -50% 0;
  white-space: nowrap;
}

.col-guide-cursor::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 1px;
  height: 22px;
  background: var(--accent);
  opacity: 0.4;
}

.col-guide-wrap.collapsed .col-guide-cursor {
  display: none;
}

#highlight,
#editor {
  width: 100%;
  height: 100%;
  margin: 0;
  border: none;
  outline: none;
  padding: 14px;
  padding-left: calc(var(--gutter-width, 36px) + 12px);
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.45;
  tab-size: 4;
  overflow: auto;
  white-space: pre;
  word-break: normal;
}

#highlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: var(--editor-bg);
  color: var(--editor-text);
}

#editor {
  position: relative;
  resize: none;
  background: transparent;
  color: transparent;
  caret-color: var(--editor-text);
}

#editor::selection {
  background: rgba(13, 122, 111, 0.24);
  color: transparent;
}

.py-keyword,
.toml-table,
.json-null,
.ini-section {
  color: var(--syn-keyword);
  font-weight: 600;
}

.py-string,
.toml-string,
.json-string,
.ini-string {
  color: var(--syn-string);
}

.py-comment,
.toml-comment,
.ini-comment {
  color: var(--syn-comment);
  font-style: italic;
}

.py-number,
.toml-number,
.json-number,
.ini-number {
  color: var(--syn-number);
}

.py-builtin,
.toml-key,
.json-key,
.ini-key {
  color: var(--syn-builtin);
  font-weight: 600;
}

.py-decorator,
.toml-bool,
.json-bool,
.ini-bool {
  color: var(--syn-decorator);
  font-weight: 600;
}

.json-punct {
  color: var(--syn-punct);
}

.panel-divider {
  display: none;
}

.results {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
}

.result-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  max-height: 320px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: relative;
}

.result-card {
  resize: vertical;
}

.result-card .resize-handle {
  height: 6px;
  cursor: ns-resize;
  flex-shrink: 0;
  position: relative;
}

.result-card .resize-handle::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 32px;
  height: 3px;
  border-radius: 2px;
  background: transparent;
  transition: background 0.15s;
}

.result-card .resize-handle:hover::before,
.result-card.resizing .resize-handle::before {
  background: var(--muted);
}

.result-header {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--header-bg);
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.result-title-wrap {
  min-width: 0;
}

.result-title-wrap strong {
  display: block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-header-right {
  margin-left: auto;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.result-header .meta {
  color: var(--muted);
  font-size: 0.8rem;
}

.tool-toggle,
.tool-configure,
.tool-docs,
.tool-collapse {
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--muted);
  border-radius: 999px;
  height: 26px;
  padding: 0 9px;
  cursor: pointer;
  font-size: 0.78rem;
  font-family: var(--mono);
  line-height: 1;
}

.tool-toggle.enabled {
  background: var(--toggle-enabled-bg);
  border-color: var(--toggle-enabled-border);
  color: var(--accent-strong);
}

.tool-toggle.disabled {
  background: var(--toggle-disabled-bg);
  color: var(--toggle-disabled-text);
}

.tool-toggle:hover,
.tool-configure:hover,
.tool-docs:hover,
.tool-collapse:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.tool-collapse {
  min-width: 30px;
  padding: 0;
  font-size: 0.82rem;
}

.result-card pre {
  margin: 0;
  padding: 12px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.4;
  flex: 1;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--result-bg);
}

.truncation-notice {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}
.truncation-notice button {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 4px 8px;
  cursor: pointer;
}
.truncation-notice button:hover {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.loc-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
  border-radius: 2px;
}
.loc-link:hover {
  color: var(--accent-strong);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.line-glow {
  position: absolute;
  left: 0;
  right: 0;
  pointer-events: none;
  background: #e8b931;
  opacity: 0;
  z-index: 2;
  animation: glow-fade 1.4s ease-in-out;
}

@keyframes glow-fade {
  0%   { opacity: 0; }
  15%  { opacity: 0.25; }
  100% { opacity: 0; }
}

.result-card.collapsed {
  max-height: none;
  flex-shrink: 0;
}

.result-card.collapsed .resize-handle {
  display: none;
}

.result-card.collapsed pre {
  display: none;
}

.result-card.collapsed .result-header {
  border-bottom: none;
}

.result-card.tool-disabled pre {
  color: var(--disabled-text);
  font-style: italic;
}

.result-card.dragging {
  opacity: 0.4;
}

.result-card.drag-over-above {
  box-shadow: 0 -3px 0 0 var(--accent);
}

.result-card.drag-over-below {
  box-shadow: 0 3px 0 0 var(--accent);
}

.result-header {
  cursor: grab;
}

.result-header:active {
  cursor: grabbing;
}

.result-header strong,
.result-header .meta {
  cursor: text;
}

.drag-grip {
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1;
  opacity: 0.45;
  user-select: none;
}

.result-card:hover .drag-grip {
  opacity: 0.8;
}

.bad {
  color: var(--error);
  font-weight: 600;
}

@media (min-width: 981px) {
  .container {
    display: grid;
    grid-template-columns: minmax(0, var(--left-panel-fr, 1.35fr)) 12px minmax(0, var(--right-panel-fr, 1fr));
    grid-template-rows: auto auto auto 1fr;
    gap: 12px 0;
  }

  .header-title {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .header-config {
    grid-column: 1;
    grid-row: 2;
    padding-right: 12px;
  }

  .tabs-wrap {
    grid-column: 1;
    grid-row: 3;
    padding-right: 12px;
  }

  .workspace {
    display: contents;
  }

  .editor-wrap {
    grid-column: 1;
    grid-row: 4;
    align-self: stretch;
  }

  .panel-divider {
    grid-column: 2;
    grid-row: 2 / span 3;
    width: 12px;
    cursor: col-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    -webkit-user-select: none;
    position: relative;
    z-index: 2;
  }

  .panel-divider::before {
    content: "";
    position: absolute;
    inset: 0 -4px;
  }

  .panel-divider-line {
    width: 3px;
    height: 40px;
    border-radius: 2px;
    background: var(--border);
    transition: background 0.15s, height 0.15s;
  }

  .panel-divider:hover .panel-divider-line,
  .panel-divider.dragging .panel-divider-line {
    background: var(--accent);
    height: 60px;
  }

  .results {
    grid-column: 3;
    grid-row: 2 / span 3;
    align-self: stretch;
  }

  .result-card {
    max-height: 320px;
  }

  .editor-expand-btn {
    display: none;
  }
}

@media (max-width: 980px) {
  html, body {
    height: auto;
    overflow: auto;
  }

  .container {
    height: auto;
  }

  .editor-wrap {
    height: 30vh;
    min-height: 120px;
    resize: vertical;
  }

  .editor-shell {
    min-height: 0;
  }

  .editor-wrap .resize-handle {
    display: block;
    height: 6px;
    cursor: ns-resize;
    flex-shrink: 0;
    position: relative;
  }

  .editor-wrap .resize-handle::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 3px;
    border-radius: 2px;
    background: transparent;
    transition: background 0.15s;
  }

  .editor-wrap .resize-handle:hover::before,
  .editor-wrap.resizing .resize-handle::before {
    background: var(--muted);
  }

  #tabs {
    gap: 6px;
  }

  .config-row {
    flex-direction: column;
  }

  .deps-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

/* Server disconnected banner */
.server-down-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--error);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--sans);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}

.server-down-banner.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.server-down-icon {
  font-size: 1.1rem;
}

/* Push page content down when banner is visible */
body.server-down .container {
  padding-top: calc(16px + 38px);
}

/* Dim results when server is down */
body.server-down .results {
  opacity: 0.5;
  transition: opacity 0.3s ease;
}