:root {
  color-scheme: dark;
  font-family: "IBM Plex Mono", "JetBrains Mono", "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  background: #000000;
  color: #e8ffe8;
  --surface: #0b0c0a;
  --line: #2a332a;
  --signal: #00e676;
  --muted: #8fa08f;
  --danger: #ff3b30;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #000000;
}

button,
input,
textarea {
  font: inherit;
}

button {
  min-height: 38px;
  border: 1px solid var(--signal);
  border-radius: 0;
  background: #000000;
  color: var(--signal);
  cursor: pointer;
  padding: 8px 12px;
}

button:hover {
  background: var(--signal);
  color: #000000;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #000000;
  color: #e8ffe8;
  padding: 10px;
}

textarea {
  min-height: 96px;
  resize: vertical;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  color: #ffffff;
  font-size: clamp(34px, 7vw, 82px);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  color: #ffffff;
  font-size: 16px;
  line-height: 1.2;
}

pre {
  max-height: 420px;
  overflow: auto;
  border: 1px solid var(--line);
  margin: 14px 0 0;
  padding: 12px;
  white-space: pre-wrap;
  color: #d6ffd6;
}

.shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.masthead {
  min-height: 190px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 24px;
}

.eyebrow {
  color: var(--signal);
  font-size: 12px;
  margin-bottom: 8px;
}

.session-state,
.public-url {
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 16px;
  margin-top: 16px;
}

.sidebar,
.main-column,
.stack {
  display: grid;
  gap: 16px;
  align-content: start;
}

.panel {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 16px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 12px;
}

.grid-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.inline-form,
.actions {
  display: flex;
  gap: 8px;
  align-items: end;
  flex-wrap: wrap;
}

.inline-form label {
  flex: 1 1 260px;
}

.list,
.version-list {
  display: grid;
  gap: 8px;
  margin: 12px 0 16px;
}

.row {
  border: 1px solid var(--line);
  background: #000000;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.row.active {
  border-color: var(--signal);
}

.row-title {
  color: #ffffff;
  font-size: 13px;
}

.row-meta {
  color: var(--muted);
  font-size: 11px;
}

.sections-input {
  min-height: 300px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: min(420px, calc(100vw - 40px));
  border: 1px solid var(--signal);
  background: #000000;
  color: #ffffff;
  padding: 12px;
  font-size: 12px;
}

.hidden {
  display: none !important;
}

@media (max-width: 900px) {
  .workspace,
  .grid-form {
    grid-template-columns: 1fr;
  }

  .masthead {
    align-items: start;
    flex-direction: column;
  }
}