:root {
  color-scheme: dark;
  --jp-bg: #080b10;
  --jp-panel: #0d1117;
  --jp-panel-2: #111720;
  --jp-panel-3: #151b25;
  --jp-border: rgba(148, 163, 184, 0.18);
  --jp-border-strong: rgba(148, 163, 184, 0.34);
  --jp-text: #e5e7eb;
  --jp-muted: #94a3b8;
  --jp-subtle: #64748b;
  --jp-green: #34d399;
  --jp-cyan: #38bdf8;
  --jp-amber: #fbbf24;
  --jp-rose: #fb7185;
  --jp-purple: #c4b5fd;
  --jp-shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --jp-mono: "SFMono-Regular", "Cascadia Code", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scrollbar-color: rgba(148, 163, 184, 0.38) rgba(8, 11, 16, 0.8);
}

body {
  background:
    linear-gradient(180deg, rgba(56, 189, 248, 0.08), transparent 380px),
    linear-gradient(90deg, rgba(52, 211, 153, 0.045), transparent 34%, rgba(251, 191, 36, 0.035)),
    var(--jp-bg);
  color: var(--jp-text);
  letter-spacing: 0;
}

button,
a,
input,
select,
textarea {
  transition:
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    opacity 180ms ease,
    transform 180ms ease;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(56, 189, 248, 0.8);
  outline-offset: 2px;
}

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: rgba(8, 11, 16, 0.8);
}

::-webkit-scrollbar-thumb {
  min-height: 40px;
  border: 3px solid rgba(8, 11, 16, 0.8);
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.38);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.58);
}

.workspace-grid {
  grid-template-columns: 320px minmax(0, 1fr);
}

.editor-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.tool-tab {
  position: relative;
  isolation: isolate;
}

.tool-tab::after {
  position: absolute;
  inset-inline: 12px;
  bottom: -9px;
  height: 2px;
  border-radius: 999px;
  background: transparent;
  content: "";
}

.tool-tab:hover {
  color: #fff;
  background: rgba(30, 41, 59, 0.68);
}

.tool-tab.tab-active,
.tool-tab[aria-selected="true"] {
  color: #f8fafc;
  border-color: var(--jp-border-strong);
  background: var(--jp-panel-2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.tool-tab.tab-active::after,
.tool-tab[aria-selected="true"]::after {
  background: linear-gradient(90deg, var(--jp-green), var(--jp-cyan));
}

.tool-panel {
  display: none;
  opacity: 0;
  transform: translateY(4px);
}

.tool-panel.active {
  display: block;
  animation: jp-panel-in 180ms ease forwards;
}

@keyframes jp-panel-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.code-shell {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  min-height: 520px;
  background: var(--jp-bg);
}

.line-gutter {
  overflow: hidden;
  user-select: none;
  border-right: 1px solid var(--jp-border);
  background: rgba(8, 11, 16, 0.52);
  color: var(--jp-subtle);
  font: 12px/1.55 var(--jp-mono);
  padding: 1rem 0.75rem;
  text-align: right;
  white-space: pre;
}

.line-gutter .error-line,
.line-gutter.has-error {
  color: var(--jp-rose);
}

textarea.code-input,
pre.code-output,
.json-editor,
.diff-editor {
  width: 100%;
  min-height: 520px;
  margin: 0;
  border: 0;
  outline: 0;
  resize: none;
  overflow: auto;
  background: transparent;
  color: #dbeafe;
  font: 13px/1.55 var(--jp-mono);
  tab-size: 2;
  padding: 1rem;
  white-space: pre;
}

pre.code-output {
  color: #cbd5e1;
}

.json-key {
  color: #7dd3fc;
}

.json-string {
  color: #86efac;
}

.json-number {
  color: #fcd34d;
}

.json-boolean {
  color: var(--jp-purple);
}

.json-null {
  color: #fda4af;
}

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

.json-error-pointer {
  display: inline-block;
  min-width: 1ch;
  border-radius: 3px;
  background: rgba(251, 113, 133, 0.18);
  color: #fecdd3;
  box-shadow: 0 0 0 1px rgba(251, 113, 133, 0.35);
}

.drop-active,
#dropZone.drop-active {
  border-color: rgba(52, 211, 153, 0.9);
  background: rgba(52, 211, 153, 0.08);
  transform: translateY(-1px);
}

.convert-target.is-active,
.convert-target[aria-pressed="true"] {
  color: #fff;
  border-color: var(--jp-border-strong);
  background: #1e293b;
}

.diff-line {
  display: block;
  min-height: 1.55em;
  padding: 0 0.5rem;
  border-left: 2px solid transparent;
}

.diff-added {
  border-color: var(--jp-green);
  background: rgba(52, 211, 153, 0.12);
  color: #bbf7d0;
}

.diff-deleted,
.diff-removed {
  border-color: var(--jp-rose);
  background: rgba(251, 113, 133, 0.12);
  color: #fecdd3;
}

.diff-modified {
  border-color: var(--jp-amber);
  background: rgba(251, 191, 36, 0.12);
  color: #fde68a;
}

.diff-same {
  color: var(--jp-muted);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 240ms ease;
}

.faq-item.open .faq-answer,
.faq-item.is-open .faq-answer {
  max-height: 320px;
}

.faq-item.open .faq-chevron,
.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
}

#mobileMenu:not(.hidden) {
  animation: jp-menu-in 160ms ease forwards;
}

@keyframes jp-menu-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.toast-container {
  position: fixed;
  z-index: 80;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  gap: 0.75rem;
  width: min(24rem, calc(100vw - 2rem));
  pointer-events: none;
}

.toast,
#toast {
  border: 1px solid var(--jp-border-strong);
  border-radius: 8px;
  background: rgba(17, 23, 32, 0.96);
  color: #fff;
  box-shadow: var(--jp-shadow);
  backdrop-filter: blur(16px);
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  animation: jp-toast-in 180ms ease forwards;
}

.toast[data-type="success"] {
  border-color: rgba(52, 211, 153, 0.42);
}

.toast[data-type="error"] {
  border-color: rgba(251, 113, 133, 0.48);
}

.toast[data-type="warning"] {
  border-color: rgba(251, 191, 36, 0.48);
}

.toast-title {
  display: block;
  font-size: 0.875rem;
  font-weight: 650;
}

.toast-message {
  display: block;
  margin-top: 0.125rem;
  color: #cbd5e1;
  font-size: 0.8125rem;
  line-height: 1.45;
}

@keyframes jp-toast-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 1100px) {
  .workspace-grid,
  .editor-grid {
    grid-template-columns: 1fr;
  }

  .code-shell,
  textarea.code-input,
  pre.code-output,
  .json-editor,
  .diff-editor {
    min-height: 360px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}