:root {
  --bg: #0f1216;
  --panel: #12171d;
  --panel-2: #0d1117;
  --text: #e6edf3;
  --muted: #9aa7b2;
  --accent: #6aa9ff;
  --accent-2: #9bcdff;
  --border: #1c2430;
  --ok: #2ecc71;
  --warn: #e6a700;
  --danger: #ff6b6b;
  --shadow: 0 8px 24px rgba(0, 0, 0, .35), 0 2px 8px rgba(0, 0, 0, .2);
}

* {
  box-sizing: border-box
}

html,
body {
  height: 100%
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: linear-gradient(180deg, var(--bg), var(--panel-2));
}

.app {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100dvh
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel), rgba(0, 0, 0, 0));
  position: sticky;
  top: 0;
  z-index: 10
}

.brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .95rem
}

.brand .dot {
  width: .6rem;
  height: .6rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent), transparent 80%)
}

.muted {
  color: var(--muted);
  font-weight: 500
}

.workspace {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  min-height: 0
}

.sidebar {
  border-right: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  min-width: 0
}

.sidebar-header {
  padding: .75rem 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .75rem;
  border-bottom: 1px solid var(--border)
}

.tabs {
  display: flex;
  flex-direction: column;
  padding: .5rem;
  gap: .25rem
}

.tab {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem .65rem;
  border: 1px solid transparent;
  border-radius: .5rem;
  color: var(--text);
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  outline: none;
  text-decoration: none;
  cursor: pointer;
}

.tab:hover {
  background: color-mix(in oklab, var(--panel-2), transparent 70%);
  border-color: var(--border)
}

.tab:focus {
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent), transparent 85%);
  border-color: color-mix(in oklab, var(--accent), black 70%);
}

.tab.active {
  background: color-mix(in oklab, var(--accent), transparent 88%);
  border-color: color-mix(in oklab, var(--accent), black 65%)
}

.tab .ext {
  color: var(--muted);
  margin-left: auto;
  font-size: .75rem
}

.editor {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .6rem .8rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel)
}

.filename {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: .9rem
}

.actions {
  display: flex;
  gap: .5rem
}

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

.codeblock {
  margin: 0;
  padding: 1rem 1.25rem;
  overflow: auto;
  height: 100%;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border-left: 1px solid var(--border)
}

.codeblock code {
  display: block;
  white-space: pre;
  word-wrap: normal;
  line-height: 1.5;
  font-size: .95rem
}

.statusbar {
  padding: .55rem .9rem;
  border-top: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font-size: .85rem
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel-2), transparent 10%);
  color: var(--text);
  padding: .45rem .7rem;
  border-radius: .5rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  box-shadow: none;
  transition: transform .06s ease, background .15s ease, border-color .15s ease
}

.btn:hover {
  background: color-mix(in oklab, var(--panel-2), var(--accent) 6%);
  border-color: color-mix(in oklab, var(--border), var(--accent) 30%)
}

.btn:active {
  transform: translateY(1px)
}

.btn.primary {
  background: linear-gradient(180deg, color-mix(in oklab, var(--accent), white 10%), var(--accent));
  border-color: color-mix(in oklab, var(--accent), black 30%);
  color: #09111a
}

.btn.primary:hover {
  filter: brightness(1.03)
}

.btn.ghost {
  background: transparent
}

.btn .icon {
  font-size: 1rem
}

.btn-copy {
  --bg-btn: #111418;
  --bg-btn-hover: #15181c;
  background: linear-gradient(180deg, var(--bg-btn), color-mix(in oklab, var(--bg-btn), black 6%));
  color: #fff;
  border-radius: .6rem;
  padding: .5rem .85rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 6px 18px rgba(4, 6, 8, 0.6), 0 1px 0 rgba(255, 255, 255, 0.02) inset;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}

.btn-copy:hover {
  transform: translateY(-2px);
  background: linear-gradient(180deg, var(--bg-btn-hover), color-mix(in oklab, var(--bg-btn-hover), black 6%));
}

.btn-copy:active {
  transform: translateY(0);
}

.btn-copy .label {
  font-size: .95rem
}

.btn-copy.success {
  background: linear-gradient(180deg, #1b4f2b, #163e23);
  border-color: rgba(0, 0, 0, 0.4);
  box-shadow: 0 8px 22px rgba(14, 84, 39, 0.45);
}

.btn-copy .check {
  display: none;
}

.btn-copy.success .icon {
  display: none;
}

.btn-copy.success .check {
  display: inline-block
}

@media (max-width: 880px) {
  .workspace {
    grid-template-columns: 1fr
  }

  .sidebar {
    order: 2
  }

  .editor {
    order: 1
  }

  .sidebar-header {
    display: none
  }

  .tabs {
    flex-direction: row;
    flex-wrap: wrap;
    gap: .4rem;
    padding: .6rem;
    border-bottom: 1px solid var(--border)
  }

  .tab {
    padding: .4rem .55rem
  }

  .tab .ext {
    display: none
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0
}

.token.comment {
  color: #7d8590
}

.token.punctuation {
  color: #e6edf3
}

.token.string {
  color: #a5d6ff
}

.token.key {
  color: #ffb86b
}

.token.bool {
  color: #7ee787
}