/* Alpona — dark, calm, monospace where it matters */
:root {
  --bg: #0b0e14;
  --bg-2: #10141c;
  --card: #141922;
  --card-2: #1a2130;
  --line: #242c3a;
  --text: #e6e9ef;
  --muted: #8b95a7;
  --mono: ui-monospace, "Cascadia Code", Consolas, "SF Mono", Menlo, monospace;
  --sans: -apple-system, "Segoe UI", Inter, Roboto, system-ui, sans-serif;
  --think: #42a5f5;
  --answer: #ffa726;
  --ok: #4caf50;
  --warn: #ffa726;
  --err: #ef5350;
  --accent: #42a5f5;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); }
body { min-height: 100vh; display: flex; flex-direction: column; }
code { font-family: var(--mono); font-size: .92em; background: var(--card-2); padding: 1px 5px; border-radius: 4px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* header */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 22px; border-bottom: 1px solid var(--line); background: var(--bg-2); position: sticky; top: 0; z-index: 5; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .name { font-weight: 700; font-size: 20px; letter-spacing: .3px; }
.brand .tag { color: var(--muted); font-size: 12px; margin-top: 1px; }
.controls { display: flex; align-items: center; gap: 18px; }
.model-pick { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
select { background: var(--card); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; font-size: 13px; }
.health { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted); }
.dot { width: 9px; height: 9px; border-radius: 50%; background: #666; box-shadow: 0 0 0 3px rgba(255,255,255,.04); }
.dot.ok { background: var(--ok); } .dot.bad { background: var(--err); } .dot.busy { background: var(--warn); }

/* layout */
.layout { display: grid; grid-template-columns: 400px minmax(0, 1fr); gap: 20px; padding: 20px 22px; flex: 1; align-items: start; }
@media (max-width: 980px) { .layout { grid-template-columns: 1fr; } }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
/* Keep the spec in view while the run column scrolls (two-column layouts only). */
@media (min-width: 981px) {
  .input-card { position: sticky; top: 84px; max-height: calc(100vh - 100px); overflow: auto; }
}

/* ── idle state: nothing to look at yet, so the spec box is the page ───────────── */
.idle-only { display: none; }
.layout.idle .idle-only { display: block; }
.layout.idle .active-only { display: none; }
.layout.idle { grid-template-columns: 1fr; justify-items: center; padding-top: clamp(24px, 8vh, 72px); }
.layout.idle .run { display: none; }
.layout.idle .input-card { width: min(820px, 100%); padding: 28px 30px 24px; position: static; max-height: none; overflow: visible; }
.layout.idle h1 { margin: 0 0 8px; font-size: clamp(22px, 3vw, 30px); font-weight: 800; letter-spacing: -.2px; }
.layout.idle .lead { margin: 0 0 18px; color: var(--muted); font-size: 14px; line-height: 1.55; max-width: 62ch; }
.layout.idle .hint { margin-bottom: 8px; }
.layout.idle textarea#spec { min-height: 200px; font-size: 14.5px; padding: 14px 16px; }
.layout.idle .actions { margin-top: 10px; }
.layout.idle button.primary { padding: 12px 22px; font-size: 15px; }
.card h2 { margin: 0 0 6px; font-size: 15px; font-weight: 600; }
.hint { color: var(--muted); font-size: 12.5px; margin: 0 0 10px; line-height: 1.45; }
textarea { width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 8px;
  padding: 11px 12px; font-family: var(--mono); font-size: 13px; line-height: 1.5; resize: vertical; }
textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(66,165,245,.15); }
.iface { margin-top: 12px; border: 1px dashed var(--line); border-radius: 8px; padding: 8px 12px; }
.iface summary { cursor: pointer; font-size: 13px; user-select: none; }
.iface textarea { margin-top: 6px; }
.examples { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 12px 0; font-size: 12px; }
.examples button { background: var(--card-2); color: var(--text); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; font-size: 12px; cursor: pointer; }
.examples button:hover { border-color: var(--accent); }
.effort-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 12px 0 6px; font-size: 12px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { background: transparent; color: var(--muted); border: none; border-right: 1px solid var(--line);
  padding: 6px 14px; font-size: 12.5px; cursor: pointer; font-weight: 600; }
.seg button:last-child { border-right: none; }
.seg button.on { background: var(--accent); color: #051020; }
.seg button:hover:not(.on) { color: var(--text); }
.actions { display: flex; align-items: center; gap: 10px; margin-top: 6px; }
button.primary { background: var(--accent); color: #051020; border: none; border-radius: 8px; padding: 10px 16px; font-weight: 700; font-size: 14px; cursor: pointer; }
button.primary:disabled { opacity: .55; cursor: default; }
button.ghost { background: transparent; color: var(--err); border: 1px solid var(--err); border-radius: 8px; padding: 9px 14px; cursor: pointer; }

/* run column */
.run { min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.step { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px; background: var(--card); border: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.step b { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: var(--card-2); font-size: 11px; color: var(--text); }
.step.active { border-color: var(--think); color: var(--text); }
.step.active b { background: var(--think); color: #041018; animation: pulse 1.4s infinite; }
.step.done { border-color: var(--ok); color: var(--text); }
.step.done b { background: var(--ok); color: #041018; }
.step.warn b { background: var(--warn); color: #041018; }
.step.skip { opacity: .5; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(66,165,245,.5); } 50% { box-shadow: 0 0 0 6px rgba(66,165,245,0); } }
@media (max-width: 700px) { .step span { display: none; } }

.banner { background: var(--card-2); border: 1px solid var(--warn); border-radius: 8px; padding: 10px 14px; font-size: 13px; }
.empty { border: 1px dashed var(--line); border-radius: var(--radius); padding: 34px 24px; text-align: center; color: var(--muted); }
.empty p { margin: 6px 0; }

/* live panels */
.panels { display: grid; grid-template-columns: 1fr; gap: 12px; }
.panels.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panels.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 1200px) { .panels.three { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 760px) { .panels.two, .panels.three { grid-template-columns: 1fr; } }

.panel { border: 1px solid var(--think); border-radius: var(--radius); overflow: hidden; background: var(--card); min-width: 0; }
.panel .head { display: flex; align-items: center; gap: 10px; padding: 6px 11px; font-family: var(--mono); font-size: 12px; background: var(--think); color: #041018; font-weight: 600; cursor: pointer; user-select: none; }
.panel .head .chev { width: 0; height: 0; border-left: 5px solid transparent; border-right: 5px solid transparent; border-top: 6px solid #041018; transition: transform .15s; }
.panel.collapsed .head .chev { transform: rotate(-90deg); }
.panel .head .title { font-weight: 800; }
.panel .head .meta { margin-left: auto; opacity: .85; white-space: nowrap; }
/* Live panels are deliberately short: they are a peek at the model's reasoning, not the deliverable. */
.panel .body { margin: 0; padding: 9px 12px; max-height: 190px; overflow: auto; white-space: pre-wrap; word-break: break-word;
  font-family: var(--mono); font-size: 11.5px; line-height: 1.45; color: #aab4c3; }
.panel.collapsed .body { display: none; }
.panel:not(.collapsed) .body.expanded-tall { max-height: 420px; }
.panel.answer { border-color: var(--answer); } .panel.answer .head { background: var(--answer); }
.panel.done { border-color: var(--ok); } .panel.done .head { background: var(--ok); }
.panel.done.nortl { border-color: var(--warn); } .panel.done.nortl .head { background: var(--warn); }
.panel .body .cursor::after { content: "▍"; color: var(--think); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.log { font-family: var(--mono); font-size: 12px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 12px; max-height: 220px; overflow: auto; }
.log div { padding: 2px 0; white-space: pre-wrap; color: var(--muted); }
.log .ok { color: var(--ok); } .log .warn { color: var(--warn); } .log .error { color: var(--err); }

/* trace label sits between the result and the stage panels */
.trace-label { display: flex; align-items: baseline; gap: 12px; margin: 6px 2px -4px; font-size: 12px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; color: var(--muted); }
.trace-label .muted { font-weight: 400; text-transform: none; letter-spacing: 0; }

/* result: visually a different object from the stage panels — larger, framed, badged */
.result { --c: var(--ok); border: 2px solid var(--c); border-radius: 14px; overflow: hidden;
  background: linear-gradient(180deg, rgba(76,175,80,.08), transparent 120px) var(--card);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--c) 18%, transparent), 0 12px 40px rgba(0,0,0,.35); }
.result.warn { --c: var(--warn); background: linear-gradient(180deg, rgba(255,167,38,.08), transparent 120px) var(--card); }
.result.bad { --c: var(--err); background: linear-gradient(180deg, rgba(239,83,80,.08), transparent 120px) var(--card); }
.result .head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 14px 16px 10px; }
.result .head h3 { margin: 0; font-size: 18px; font-weight: 800; letter-spacing: .2px; display: flex; align-items: center; gap: 10px; }
.result .badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 800; background: var(--c); color: #041018; }
.result .head .spacer { flex: 1; }
.result .head button { background: var(--c); color: #041018; border: none; border-radius: 8px; padding: 7px 12px; font-size: 12.5px; cursor: pointer; font-weight: 800; }
.result .head button.secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
.result .stats { display: flex; flex-wrap: wrap; gap: 6px 16px; padding: 0 16px 10px; font-family: var(--mono); font-size: 11.5px; color: var(--muted); }
.result .stats b { color: var(--text); font-weight: 600; }
.result .note { padding: 7px 16px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(0,0,0,.15); }
.result pre.code { margin: 0; padding: 16px 18px; max-height: 560px; overflow: auto; white-space: pre-wrap; word-break: break-word; font-family: var(--mono); font-size: 13.5px; line-height: 1.55; background: #0a0d13; }
.result details { border-top: 1px solid var(--line); }
.result summary { padding: 7px 12px; cursor: pointer; font-size: 13px; color: #9cdcfe; user-select: none; }
.result details pre { margin: 0; padding: 10px 12px; max-height: 360px; overflow: auto; white-space: pre-wrap; word-break: break-word; font-family: var(--mono); font-size: 12px; }
.result .md { padding: 10px 14px; max-height: 480px; overflow: auto; font-size: 13.5px; line-height: 1.55; }
.result .md table { border-collapse: collapse; margin: 8px 0; font-size: 12.5px; }
.result .md th, .result .md td { border: 1px solid var(--line); padding: 3px 9px; }
.result .md code { font-size: .9em; }
.kw { color: #569cd6; } .lit { color: #b5cea8; } .cm { color: #6a9955; } .str { color: #ce9178; }

.foot { text-align: center; color: var(--muted); font-size: 11.5px; padding: 14px; border-top: 1px solid var(--line); }