:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c232d;
  --line: #30363d;
  --text: #e6edf3;
  --dim: #8b949e;
  --accent: #58a6ff;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
  --code: #c9a1ff;
  --sans: "Inter", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 var(--sans); }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }

/* Header */
.top { display: flex; align-items: center; gap: 16px; padding: 10px 24px; border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 5; }
.brand img { display: block; }
.title { font-weight: 600; font-size: 17px; }
.links { margin-left: auto; display: flex; gap: 8px; }
/* One button style, the same as Widget Studio (3/10, user): 40 px, 8 px corners, 14 px semibold, dark with a
   border; blue only for the main action of a place (.primary: Add, Approve, Sign in…). */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 0 16px; box-sizing: border-box;
  border-radius: 8px; font-size: 14px; font-weight: 600; line-height: 1.2; font-family: inherit;
  background: var(--panel-2); color: var(--text); border: 1px solid var(--line); text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: #222a35; border-color: #3d4b5d; }
.btn.ghost { background: var(--panel-2); color: var(--text); border-color: var(--line); }
.btn.primary, .btn.ok, .btn.add { background: var(--accent); border-color: var(--accent); color: #04121f; }
.btn.primary:hover, .btn.ok:hover, .btn.add:hover { background: #7bbcff; border-color: #7bbcff; }
.btn.bad { background: var(--panel-2); border-color: var(--line); color: var(--err); }
.btn:disabled { opacity: .5; cursor: default; }
.btn:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 20px 24px 60px; }
.intro { color: var(--dim); max-width: 70ch; margin: 0 0 18px; }
.intro b { color: var(--text); font-weight: 600; }
/* The AI Assistant tip above the tabs (18/10, user): change a widget to fit your own project */
.ai-tip { display: flex; gap: 12px; align-items: flex-start; max-width: 86ch; margin: -6px 0 20px; padding: 12px 16px;
  border: 1px solid rgba(88,166,255,.35); border-radius: 10px; background: rgba(88,166,255,.08); color: var(--dim); font-size: 14px; }
.ai-tip svg { color: var(--accent); flex-shrink: 0; margin-top: 1px; }
.ai-tip b { color: var(--text); font-weight: 600; }
.ai-tip i { color: var(--text); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 9px 14px; color: var(--dim); cursor: pointer; font-size: 14px; }
.tabs button.on { color: var(--text); border-bottom-color: var(--accent); }
.count { display: inline-block; min-width: 20px; padding: 0 6px; border-radius: 10px; background: var(--warn); color: #1a1204; font-size: 13px; font-weight: 700; }
.count:empty { display: none; }

.tools { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
.tools input[type=search] { flex: 1 1 260px; }
input[type=search], select, textarea { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 14px; }
.chk { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--dim); cursor: pointer; }
.hint { color: var(--dim); font-size: 14px; margin: 0 0 14px; }
.empty { color: var(--dim); text-align: center; padding: 40px 0; }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; cursor: pointer; display: flex; flex-direction: column; transition: border-color .15s, transform .15s; }
.card:hover, .card:focus-visible { border-color: #4a5563; transform: translateY(-2px); outline: none; }
.pv { position: relative; height: 190px; background: radial-gradient(circle at 50% 40%, #1a2230, #0b0f14); }
.pv .cover { position: absolute; inset: 0; z-index: 2; }             /* the card takes the click, not the widget */
.pv .wait { position: absolute; inset: 0; display: grid; place-items: center; color: var(--dim); font-size: 13px; }
.pv iframe { position: absolute; inset: 10px; width: calc(100% - 20px) !important; height: calc(100% - 20px) !important; }
.meta { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; border-top: 1px solid var(--line); }
.meta h3 { margin: 0; font-size: 15px; font-weight: 600; display: flex; align-items: baseline; gap: 8px; }
.ver { font: 500 13px var(--mono); color: var(--dim); }
.by { margin: 0; color: var(--dim); font-size: 13px; }
.badges { display: flex; flex-wrap: wrap; gap: 6px; }
.b { font-size: 13px; padding: 1px 8px; border-radius: 10px; border: 1px solid var(--line); color: var(--dim); }
.b.nocode { color: var(--ok); border-color: rgba(63, 185, 80, .45); }
.b.code { color: var(--code); border-color: rgba(201, 161, 255, .45); }
.b.verified { color: var(--accent); border-color: rgba(88, 166, 255, .5); }
.stats { font-size: 13px; color: var(--dim); font-variant-numeric: tabular-nums; }

/* Rows: mine / review */
.rows { display: flex; flex-direction: column; gap: 8px; }
.row-item { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; align-items: center; padding: 12px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.row-item:hover { border-color: #4a5563; }
.row-item .n { font-weight: 600; }
.row-item .sub { grid-column: 1 / -1; color: var(--dim); font-size: 13px; }
.st { font-size: 13px; font-weight: 600; padding: 1px 9px; border-radius: 10px; }
.st.approved { color: var(--ok); background: rgba(63, 185, 80, .12); }
.st.pending { color: var(--warn); background: rgba(210, 153, 34, .14); }
.st.rejected, .st.hidden { color: var(--err); background: rgba(248, 81, 73, .12); }
.st.withdrawn { color: var(--dim); background: rgba(139, 148, 158, .12); }

/* Detail */
dialog.detail { width: min(1080px, 96vw); max-height: 92vh; padding: 0; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); color: var(--text); }
dialog::backdrop { background: rgba(1, 4, 9, .7); }
.d-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, 1fr); max-height: 92vh; }
.d-stage { padding: 20px; background: radial-gradient(circle at 50% 40%, #1a2230, #0b0f14); display: flex; flex-direction: column; gap: 10px; min-height: 420px; }
.d-preview { position: relative; flex: 1; min-height: 360px; }
.d-preview iframe { position: absolute; inset: 0; }
.d-note { margin: 0; color: var(--dim); font-size: 13px; text-align: center; }
.d-side { padding: 22px 24px; overflow-y: auto; position: relative; }
.d-side h2 { margin: 0 32px 4px 0; font-size: 21px; }
.d-side h3 { font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--dim); margin: 20px 0 8px; }
.x { position: absolute; top: 14px; right: 16px; background: none; border: 0; font-size: 24px; color: var(--dim); cursor: pointer; line-height: 1; }
.desc { white-space: pre-wrap; margin: 12px 0; }
.status { padding: 8px 10px; border-radius: 8px; font-size: 14px; background: rgba(210, 153, 34, .12); color: var(--warn); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 14px; }
.actions select { max-width: 240px; }
.result { font-size: 14px; color: var(--ok); margin: 10px 0 0; }
.result.err { color: var(--err); }
.slots { width: 100%; border-collapse: collapse; font-size: 14px; }
.slots td { padding: 5px 0; border-bottom: 1px solid var(--line); }
.slots td:last-child { text-align: right; color: var(--dim); font-size: 13px; }
.versions { display: flex; flex-wrap: wrap; gap: 6px; }
.versions button { background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 3px 9px; font: 13px var(--mono); cursor: pointer; }
.versions button.on { border-color: var(--accent); color: var(--accent); }
details { margin-top: 18px; }
summary { cursor: pointer; color: var(--dim); font-size: 14px; }
pre { max-height: 320px; overflow: auto; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px; font: 13px/1.45 var(--mono); white-space: pre-wrap; word-break: break-all; }
.admin { border-top: 1px dashed var(--line); margin-top: 18px; }
.admin textarea { width: 100%; margin-bottom: 8px; }
.admin .row { display: flex; gap: 8px; margin-top: 10px; }

/* Simulation kits: one wide panel each, the screen running on the left */
.kits-intro { max-width: 80ch; }
.kits { display: flex; flex-direction: column; gap: 20px; }
.kit { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr); background: var(--panel); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.kit-stage { padding: 18px; background: radial-gradient(circle at 50% 40%, #1a2230, #0b0f14); display: flex; flex-direction: column; gap: 10px; }
.kit-pv { position: relative; aspect-ratio: 16 / 9; }
.kit-pv iframe { position: absolute; inset: 0; width: 100% !important; height: 100% !important; }
.kit-pv .wait { position: absolute; inset: 0; display: grid; place-items: center; color: var(--dim); font-size: 13px; }
.kit-side { padding: 20px 22px; border-left: 1px solid var(--line); }
.kit-side h2 { margin: 0 0 4px; font-size: 21px; display: flex; align-items: baseline; gap: 8px; }
.kit-side h3 { font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--dim); margin: 16px 0 6px; }
.kit-side .desc { margin: 10px 0; }
.makes { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.makes b { font-weight: 600; }
code { font: 13px var(--mono); color: var(--text); background: var(--bg); padding: 0 4px; border-radius: 4px; }
.kit .slots td:last-child { text-align: left; padding-left: 12px; }
.kit details { margin-top: 12px; }
.kit-prefix { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--dim); margin-top: 8px; }
.kit-prefix input { flex: 1; min-width: 0; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; font: 14px var(--mono); }
.kit-opts .hint { font-size: 13px; margin: 6px 0 0; }
.kits-head { display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; }
.kits-head .btn { flex-shrink: 0; }
.kit-stopped { position: absolute; left: 50%; bottom: 10px; transform: translateX(-50%); z-index: 3; font-size: 13px; color: var(--err);
  background: rgba(13, 17, 23, .9); border: 1px solid var(--err); border-radius: 8px; padding: 4px 10px; }
.d-stage .kit-pv { width: 100%; }
.rows-t { font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--dim); margin: 14px 0 2px; }
.rows-t:first-child { margin-top: 0; }
.f { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--dim); margin-top: 10px; }
.f input, .f textarea { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 14px; color: var(--text); }
.f2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.problems { margin-top: 12px; padding: 10px 12px; border-radius: 8px; background: rgba(210, 153, 34, .12); color: var(--warn); font-size: 14px; }
.problems ul { margin: 6px 0 0; padding-left: 18px; }

.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 18px; font-size: 14px; z-index: 20; box-shadow: 0 8px 30px rgba(0, 0, 0, .5); }
.toast.err { border-color: var(--err); color: var(--err); }

@media (max-width: 760px) {
  .top { padding: 10px 16px; flex-wrap: wrap; }
  .wrap { padding: 16px; }
  .d-grid { grid-template-columns: 1fr; }
  .d-stage { min-height: 300px; }
  .d-preview { min-height: 260px; }
  .kit { grid-template-columns: 1fr; }
  .kit-side { border-left: 0; border-top: 1px solid var(--line); }
}
@media (prefers-reduced-motion: reduce) { .card { transition: none; } }

/* Card footer: stats on the left, "Add" on the right (adds to My templates without opening the card) */
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 6px; }
.card-foot .btn { padding: 0 18px; }
.card-foot .btn.done { background: transparent; color: var(--ok); border-color: var(--ok); }

/* SCADA / Digital Twins: coming soon */
.soon { max-width: 640px; margin: 40px auto; padding: 36px 32px; text-align: center; border: 1px dashed var(--line); border-radius: 16px; background: var(--panel); }
.soon h2 { margin: 14px 0 10px; font-size: 22px; }
.soon p { color: var(--dim); margin: 0; }
.soon-badge { display: inline-block; padding: 4px 14px; border-radius: 20px; background: #2a2346; color: #d9ccff; font-weight: 600; font-size: 14px; letter-spacing: .5px; }

/* A card outside Browse: where the widget stands (waiting, hidden, rejected…) and the review note */
.card-state { margin: 2px 0 6px; font-size: 13px; font-weight: 600; }
.card-note { margin: 4px 0 0; font-size: 13px; color: var(--dim); }
.card .meta .card-state.st { align-self: flex-start; }   /* .meta is a flex column: no full-width pill */