/* LuaLoop — house dark theme */
:root {
  --bg: #101418;
  --panel: #171d24;
  --panel-2: #1e262f;
  --line: #2a3441;
  --text: #f4f6f8;
  --muted: #9aa7b4;
  --accent: #f7a41d;
  --accent-2: #4dd0b1;
  --ok: #4dd0b1;
  --err: #ff6b6b;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--bg); z-index: 5;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 20px; margin: 0; letter-spacing: .3px; }
.tagline { margin: 0; color: var(--muted); font-size: 13px; }
#lang-select {
  background: var(--panel); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px;
}
main { flex: 1; width: 100%; max-width: 720px; margin: 0 auto; padding: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; padding: 18px; margin-bottom: 16px;
}
.hidden { display: none !important; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
h2 { margin: 0 0 6px; font-size: 17px; }
.tabs { display: flex; gap: 6px; }
.tab {
  background: transparent; color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 14px; cursor: pointer; font-size: 13px;
}
.tab.active { color: var(--bg); background: var(--accent); border-color: var(--accent); font-weight: 600; }
.hint { color: var(--muted); font-size: 13.5px; margin: 8px 0 10px; }
.hint code { background: var(--panel-2); border-radius: 5px; padding: 1px 5px; font-size: 12.5px; }
#script-editor {
  width: 100%; height: 300px; resize: vertical;
  background: #0c1014; color: #d7e2ec; border: 1px solid var(--line);
  border-radius: 10px; padding: 12px; font: 13px/1.55 ui-monospace, "Cascadia Code", Consolas, monospace;
  tab-size: 2;
}
#script-editor:focus { outline: 2px solid var(--accent-2); outline-offset: -1px; }
.row { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.row.center { justify-content: center; }
.btn {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 9px 16px; cursor: pointer; font-size: 14px;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #101418; font-weight: 700; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.big { padding: 12px 28px; font-size: 15px; }
.btn.small { padding: 4px 10px; font-size: 12px; }
.status { font-size: 13px; color: var(--muted); }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }
.phase { text-align: center; color: var(--accent-2); text-transform: uppercase; letter-spacing: 2px; font-size: 13px; margin: 4px 0 10px; }
.timer-ring { position: relative; max-width: 240px; margin: 6px auto 14px; }
.timer-ring svg { width: 100%; transform: rotate(-90deg); }
.ring-bg, .ring-fg { fill: none; stroke-width: 8; cx: 60; cy: 60; r: 52; }
.ring-bg { stroke: var(--line); }
.ring-fg { stroke: var(--accent); stroke-linecap: round; stroke-dasharray: 326.7; stroke-dashoffset: 0; transition: stroke-dashoffset .3s linear; }
#clock {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 40px; font-weight: 700; font-variant-numeric: tabular-nums;
}
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 16px 0 4px; padding: 0; }
.stats > div { background: var(--panel-2); border-radius: 10px; padding: 8px 6px; text-align: center; }
.stats dt { color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: 1px; }
.stats dd { margin: 2px 0 0; font-size: 19px; font-weight: 700; }
.log-head { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; }
.log-head h3 { margin: 0; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.session-log { list-style: none; margin: 8px 0 0; padding: 0; max-height: 200px; overflow-y: auto; }
.session-log li {
  display: flex; justify-content: space-between; gap: 10px;
  padding: 7px 10px; border-bottom: 1px solid var(--line); font-size: 14px;
}
.session-log li:last-child { border-bottom: none; }
.session-log .meta { color: var(--muted); font-size: 12.5px; }
.session-log .pts { color: var(--accent); font-weight: 600; white-space: nowrap; }
footer { text-align: center; color: var(--muted); font-size: 12.5px; padding: 14px; border-top: 1px solid var(--line); }
@media (max-width: 480px) {
  main { padding: 10px; }
  .card { padding: 14px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  #clock { font-size: 32px; }
}