:root {
  color-scheme: dark;
  --bg: #0b0d0c;
  --surface: #111411;
  --surface-2: #171b17;
  --line: #293029;
  --muted: #8f9a8f;
  --text: #edf5ed;
  --lime: #b7f34a;
  --lime-dark: #8fc62f;
  --red: #ff766f;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    linear-gradient(rgba(183, 243, 74, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(183, 243, 74, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: 32px 32px;
  color: var(--text);
  font-family: var(--sans);
}

button, input, textarea { font: inherit; }
button { cursor: pointer; }

.app-shell {
  width: min(1580px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.topbar, footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--lime);
  font: 700 11px/1 var(--mono);
  letter-spacing: .18em;
}

h1 { margin: 0; font-size: clamp(28px, 4vw, 46px); letter-spacing: -.055em; }

.runtime-status {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font: 600 12px/1 var(--mono);
}
.topbar-actions { display: flex; align-items: center; gap: 18px; }
.page-link { color: var(--lime); border: 1px solid var(--line); padding: 9px 11px; text-decoration: none; font: 700 11px/1 var(--mono); }
.page-link:hover { border-color: var(--lime-dark); background: rgba(183, 243, 74, .05); }
.project-button { background: transparent; }

.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #d0a52a; box-shadow: 0 0 12px #d0a52a; }
.runtime-status[data-state="ready"] .status-dot { background: var(--lime); box-shadow: 0 0 12px var(--lime); }
.runtime-status[data-state="error"] .status-dot { background: var(--red); box-shadow: 0 0 12px var(--red); }

.workspace {
  min-height: 690px;
  flex: 1;
  display: grid;
  grid-template-columns: 260px minmax(400px, 1fr) 310px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 28px 80px rgba(0, 0, 0, .35);
}

.settings-panel, .output-panel { padding: 24px; display: flex; flex-direction: column; gap: 22px; }
.settings-panel { border-right: 1px solid var(--line); }
.output-panel { border-left: 1px solid var(--line); }

.panel-heading { display: flex; gap: 12px; align-items: flex-start; }
.step { color: var(--lime); font: 700 11px/1.5 var(--mono); }
h2 { margin: 0 0 5px; font-size: 16px; }
.panel-heading p, .message span { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }

label { display: grid; gap: 8px; color: #bec7be; font-size: 12px; font-weight: 650; }
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 11px 12px;
  background: var(--bg);
  color: var(--text);
  outline: none;
}
input:focus { border-color: var(--lime-dark); box-shadow: 0 0 0 1px var(--lime-dark); }

.convention-card { margin-top: auto; padding: 14px; border: 1px solid var(--line); background: var(--surface-2); display: grid; gap: 5px; }
.convention-card span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }
.convention-card strong { font-size: 13px; }
.convention-card code { color: var(--lime); font: 12px/1.4 var(--mono); }

.compile-button, .download-button {
  border: 0;
  padding: 13px 14px;
  background: var(--lime);
  color: #11160a;
  font-weight: 800;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
button:disabled { cursor: not-allowed; opacity: .38; }
kbd { padding: 3px 6px; border: 1px solid rgba(17, 22, 10, .35); font: 10px/1 var(--mono); }

.editor-panel { min-width: 0; display: flex; flex-direction: column; background: #0d100e; }
.editor-toolbar { height: 52px; padding: 0 17px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 8px; color: var(--muted); font: 11px/1 var(--mono); }
.editor-toolbar #lineCount { margin-left: auto; white-space: nowrap; }
.save-status { color: #657065; white-space: nowrap; }
.save-status[data-saving="true"] { color: #d0a52a; }
.file-tabs { align-self: stretch; display: flex; min-width: 0; overflow-x: auto; }
.file-tab { align-self: stretch; display: flex; align-items: center; gap: 8px; padding: 0 11px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); font: inherit; white-space: nowrap; }
.file-tab[data-active="true"] { color: var(--text); border-bottom-color: var(--lime); background: rgba(183, 243, 74, .035); }
.file-dot { width: 7px; height: 7px; background: var(--lime); }
.file-close { color: var(--muted); font-size: 15px; }
.file-close:hover { color: var(--red); }
.add-file { width: 28px; height: 28px; flex: 0 0 auto; border: 1px solid var(--line); background: var(--surface-2); color: var(--lime); font: 18px/1 var(--mono); }
.file-action { height: 28px; flex: 0 0 auto; padding: 0 8px; border: 1px solid var(--line); background: var(--surface-2); color: var(--muted); font: 10px/1 var(--mono); }
.file-action:hover { border-color: var(--lime-dark); color: var(--text); }
.file-action-danger:hover { border-color: var(--red); color: var(--red); }
.CodeMirror {
  flex: 1;
  width: 100%;
  min-height: 500px;
  border: 0;
  background: transparent;
  color: #dbe8db;
  font: 14px/1.7 var(--mono);
  tab-size: 4;
}

.CodeMirror-scroll { padding: 18px 0; }
.CodeMirror-lines { padding: 0 12px; }
.CodeMirror-gutters { background: #0d100e; border-right: 1px solid #202620; }
.CodeMirror-linenumber { color: #515c51; padding: 0 10px 0 4px; }
.CodeMirror-cursor { border-left-color: var(--lime); }
.CodeMirror-selected { background: rgba(183, 243, 74, .13) !important; }
.CodeMirror-activeline-background { background: rgba(255, 255, 255, .018); }
.cm-s-default .cm-keyword { color: #b7f34a; font-weight: 700; }
.cm-s-default .cm-type { color: #e4a7ff; font-weight: 650; }
.cm-s-default .cm-atom, .cm-s-default .cm-number { color: #f2b86b; }
.cm-s-default .cm-string { color: #8dd7c4; }
.cm-s-default .cm-comment { color: #687568; font-style: italic; }
.cm-s-default .cm-operator { color: #c9d2c9; }
.cm-s-default .cm-variable { color: #e7eee7; }
.cm-s-default .cm-def { color: #86bdf4; font-weight: 700; }
.cm-s-default .cm-function { color: #9ecbff; }
.cm-s-default .cm-builtin { color: #6ed7be; font-weight: 650; }
.cm-s-default .cm-namespace { color: #f0cb68; }
.cm-s-default .cm-deprecated { color: var(--red); text-decoration: line-through; text-decoration-thickness: 1px; }
.cm-s-default .cm-error { color: var(--red); }
.cm-s-default .cm-command-prefix { color: #536753; }
.cm-s-default .cm-command-root { color: #86bdf4; font-weight: 700; }
.cm-s-default .cm-command-keyword { color: #c6a7ff; }
.cm-s-default .cm-command-argument { color: #c6d0c6; }
.cm-s-default .cm-selector { color: #f0cb68; font-weight: 650; }
.cm-s-default .cm-resource { color: #6ed7be; }
.cm-s-default .cm-coordinate { color: #f29c7f; }
.cm-s-default .cm-macro { color: #f47ec0; }
.cm-s-default .cm-interpolation { color: #f47ec0; font-weight: 700; }
.cm-s-default .cm-property { color: #a8c7ff; }
.cm-s-default .cm-bracket { color: #879487; }

.message { padding: 14px; border-left: 2px solid var(--line); background: var(--surface-2); display: grid; gap: 5px; }
.message[data-kind="success"] { border-color: var(--lime); }
.message[data-kind="error"] { border-color: var(--red); }
.message[data-kind="error"] strong { color: var(--red); }

.file-list { display: grid; gap: 1px; background: var(--line); max-height: 360px; overflow: auto; }
.file-item { padding: 9px 10px; background: var(--surface); color: #b9c5b9; font: 10px/1.35 var(--mono); overflow-wrap: anywhere; }
.download-button { margin-top: auto; background: transparent; color: var(--lime); border: 1px solid var(--lime-dark); }
.download-button span { font: 10px/1 var(--mono); }

footer { color: var(--muted); font: 10px/1 var(--mono); letter-spacing: .05em; }
.docs { border: 1px solid var(--line); background: var(--surface); padding: clamp(22px, 4vw, 46px); display: grid; gap: 28px; }
.docs-intro { max-width: 720px; }
.docs-intro h2 { margin: 0 0 10px; font-size: clamp(26px, 4vw, 42px); letter-spacing: -.04em; }
.docs-intro > p:last-child { color: var(--muted); line-height: 1.65; }
.docs-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.docs-nav a { border: 1px solid var(--line); padding: 8px 10px; color: var(--lime); font: 11px/1 var(--mono); text-decoration: none; }
.docs-nav a:hover { border-color: var(--lime-dark); background: rgba(183, 243, 74, .05); }
.docs-nav a[aria-current="page"] { border-color: var(--lime); background: rgba(183, 243, 74, .09); }
.docs-shell { min-height: 100vh; }
.docs-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.docs article { min-width: 0; padding: 24px; background: var(--surface-2); scroll-margin-top: 18px; }
.docs h3 { margin: 0 0 12px; color: var(--text); font-size: 16px; }
.docs p, .docs dd { color: #aab5aa; font-size: 13px; line-height: 1.65; }
.docs ul { margin: 10px 0 0; padding-left: 20px; }
.docs li { margin: 4px 0; color: #aab5aa; font-size: 13px; line-height: 1.6; }
.docs code { color: #dbe8db; font-family: var(--mono); }
.docs p code, .docs dd code { color: var(--lime); }
.docs pre { margin: 16px 0; padding: 15px; overflow-x: auto; border-left: 2px solid var(--lime-dark); background: #0b0d0c; font: 12px/1.65 var(--mono); }
.docs dl { display: grid; grid-template-columns: minmax(120px, .45fr) 1fr; gap: 10px 16px; }
.docs dt { color: var(--lime); font: 12px/1.6 var(--mono); }
.docs dd { margin: 0; }
.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; }

@media (max-width: 1050px) {
  .workspace { grid-template-columns: 230px 1fr; }
  .output-panel { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); }
  .file-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
  .app-shell { padding: 14px; }
  .topbar { align-items: flex-end; }
  .topbar-actions { flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
  .workspace { display: flex; flex-direction: column; }
  .settings-panel, .output-panel { border: 0; }
  .settings-panel { border-bottom: 1px solid var(--line); }
  .editor-panel { min-height: 560px; }
  .file-list { grid-template-columns: 1fr; }
  footer { gap: 20px; align-items: flex-start; }
  .docs-grid { grid-template-columns: 1fr; }
  .docs dl { grid-template-columns: 1fr; gap: 4px; }
}