/* Agent Shop — high-fashion minimal: white, near-black ink, hairline rules,
   generous tracking, no rounded corners. */

:root {
  --ink: #111;
  --paper: #fff;
  --muted: #767676;
  --hairline: #e3e3e3;
  --accent: #0a5c36;      /* in-stock green */
  --warn: #b04a00;        /* low stock */
  --sale: #c40000;
  --agent: #2445ff;       /* agent-action blue */
  --serif: 'Didot', 'Bodoni MT', 'Playfair Display', Georgia, serif;
  --sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-size: 13px;
  letter-spacing: 0.02em;
  display: flex;
  flex-direction: column;
}

button { font: inherit; letter-spacing: inherit; background: none; border: none; cursor: pointer; color: inherit; }
a { color: inherit; }
code { font-size: 11px; background: #f4f4f4; padding: 1px 4px; }

/* ---------------------------------------------------------------- header */
#topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--ink);
  position: sticky; top: 0; background: var(--paper); z-index: 30;
}
.brand { font-family: var(--serif); font-size: 26px; font-weight: 700; letter-spacing: 0.12em; cursor: pointer; white-space: nowrap; }
.brand span { font-family: var(--sans); font-size: 10px; font-weight: 400; letter-spacing: 0.42em; vertical-align: middle; color: var(--muted); margin-left: 8px; }

#searchForm { flex: 1; display: flex; max-width: 560px; border-bottom: 1px solid var(--ink); }
#searchForm input { flex: 1; border: none; outline: none; font: inherit; padding: 8px 2px; letter-spacing: 0.06em; }
#searchForm button { padding: 8px 10px; font-size: 11px; letter-spacing: 0.28em; }
#searchForm button:hover { background: var(--ink); color: var(--paper); }

.top-right { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.chip { border: 1px solid var(--ink); padding: 7px 12px; font-size: 11px; letter-spacing: 0.14em; }
.chip:hover { background: var(--ink); color: var(--paper); }

.agent-status { display: flex; align-items: center; gap: 7px; font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); }
.agent-status .dot { width: 8px; height: 8px; border-radius: 50%; background: #c9c9c9; transition: background .3s; }
.agent-status[data-state="active"] { color: var(--agent); }
.agent-status[data-state="active"] .dot { background: var(--agent); box-shadow: 0 0 0 4px rgba(36,69,255,.14); animation: pulse 1.2s infinite; }
.agent-status[data-state="recent"] .dot { background: var(--agent); }
.agent-status[data-state="recent"] { color: var(--ink); }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(36,69,255,.05); } }

/* ------------------------------------------------------------------ layout */
main { flex: 1; display: flex; min-height: 0; }

#feedPane {
  width: 292px; min-width: 292px;
  border-right: 1px solid var(--hairline);
  display: flex; flex-direction: column;
  height: calc(100vh - 61px);
  position: sticky; top: 61px;
  background: #fbfbfa;
}
.pane-title { padding: 14px 16px 10px; font-size: 10px; letter-spacing: 0.3em; color: var(--muted); display: flex; justify-content: space-between; align-items: baseline; }
.pane-title button { font-size: 9px; letter-spacing: .15em; color: var(--muted); text-decoration: underline; }
#feed { flex: 1; overflow-y: auto; list-style: none; padding: 0 0 20px; }
#feed li {
  padding: 10px 16px; border-top: 1px solid var(--hairline);
  font-size: 11.5px; line-height: 1.45; animation: slideIn .25s ease;
}
#feed li .who { font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase; display: block; margin-bottom: 3px; }
#feed li[data-channel="mcp"] .who { color: var(--agent); }
#feed li[data-channel="webmcp"] .who { color: var(--agent); }
#feed li[data-channel="web"] .who { color: var(--muted); }
#feed li[data-error="true"] { color: var(--sale); }
#feed li time { float: right; color: #b5b5b5; font-size: 9px; }
@keyframes slideIn { from { opacity: 0; transform: translateY(-4px); } }
#feedHint { padding: 14px 16px; font-size: 10.5px; color: var(--muted); line-height: 1.6; border-top: 1px solid var(--hairline); }

#stage { flex: 1; overflow-x: hidden; padding: 0 0 80px; }

/* ------------------------------------------------------------------- hero */
#hero { padding: 90px 8vw 70px; max-width: 900px; }
#hero h1 { font-family: var(--serif); font-size: clamp(34px, 5vw, 58px); font-weight: 500; letter-spacing: 0.04em; line-height: 1.08; margin-bottom: 26px; }
#hero p { font-size: 14px; line-height: 1.8; color: #333; max-width: 560px; }
#hero em { background: #f4f2ec; font-style: italic; padding: 1px 5px; }
.hero-badges { margin-top: 34px; display: flex; gap: 10px; flex-wrap: wrap; }
.badge { border: 1px solid var(--hairline); padding: 7px 12px; font-size: 10px; letter-spacing: 0.14em; color: var(--muted); }
.badge[data-on="true"] { border-color: var(--accent); color: var(--accent); }

/* ------------------------------------------------------------------- grid */
.grid-head { padding: 26px 26px 6px; display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; }
.grid-head h2 { font-family: var(--serif); font-size: 24px; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; }
.grid-head .meta { color: var(--muted); font-size: 11px; letter-spacing: 0.1em; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(228px, 1fr)); gap: 1px; background: var(--hairline); border-top: 1px solid var(--hairline); }
.card { background: var(--paper); cursor: pointer; position: relative; }
.card:hover .ph img { transform: scale(1.02); }
.card .ph { aspect-ratio: 2/3; overflow: hidden; background: #f6f6f6; position: relative; }
.card .ph img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.card .info { padding: 10px 12px 16px; }
.card .name { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; line-height: 1.5; min-height: 32px; }
.card .price { margin-top: 4px; font-size: 12px; }
.card .price .old { text-decoration: line-through; color: var(--muted); margin-right: 7px; }
.card .price .now.sale { color: var(--sale); }
.sale-flag { position: absolute; top: 10px; left: 10px; background: var(--sale); color: #fff; font-size: 9px; letter-spacing: 0.14em; padding: 3px 7px; }
.size-flag { position: absolute; bottom: 10px; right: 10px; background: var(--accent); color: #fff; font-size: 9px; letter-spacing: 0.14em; padding: 3px 7px; z-index: 2; }
.grid-head .chip.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.grid-head .chip { margin-left: auto; }
.grid-head { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; }
.card .swatches { display: flex; gap: 4px; margin-top: 6px; }
.card .swatches i { width: 10px; height: 10px; border: 1px solid var(--hairline); display: inline-block; }

.agent-flash { animation: agentFlash 1.6s ease; }
@keyframes agentFlash { 0% { outline: 2px solid var(--agent); outline-offset: -2px; } 100% { outline: 2px solid transparent; } }

/* ----------------------------------------------------------------- detail */
#detail { padding: 0; }
.detail-top { display: flex; gap: 0; flex-wrap: wrap; }
.gallery { flex: 1.15; min-width: 340px; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--hairline); }
.gallery img { width: 100%; aspect-ratio: 2/3; object-fit: cover; display: block; background: #f6f6f6; }
.gallery img:first-child { grid-column: 1 / -1; aspect-ratio: 4/5; }
.detail-info { flex: 1; min-width: 330px; padding: 46px 42px; position: sticky; top: 61px; align-self: flex-start; }
.detail-info .back { font-size: 10px; letter-spacing: 0.26em; color: var(--muted); margin-bottom: 26px; display: inline-block; }
.detail-info .back:hover { color: var(--ink); }
.detail-info h2 { font-family: var(--serif); font-size: 27px; font-weight: 500; letter-spacing: 0.04em; line-height: 1.2; text-transform: uppercase; }
.detail-info .ref { color: var(--muted); font-size: 10px; letter-spacing: 0.14em; margin-top: 6px; }
.detail-info .price { font-size: 17px; margin: 18px 0 4px; }
.detail-info .price .old { text-decoration: line-through; color: var(--muted); margin-right: 10px; font-size: 14px; }
.detail-info .price .now.sale { color: var(--sale); }
.discount-note { color: var(--sale); font-size: 11px; letter-spacing: 0.1em; }
.detail-info .desc { margin: 22px 0; font-size: 12.5px; line-height: 1.75; color: #333; max-width: 420px; }

.block-label { font-size: 10px; letter-spacing: 0.3em; color: var(--muted); margin: 26px 0 10px; text-transform: uppercase; }
.colors { display: flex; gap: 8px; flex-wrap: wrap; }
.colors .cbtn { display: flex; align-items: center; gap: 7px; border: 1px solid var(--hairline); padding: 6px 10px; font-size: 10.5px; letter-spacing: 0.08em; }
.colors .cbtn.on { border-color: var(--ink); }
.colors .cbtn i { width: 12px; height: 12px; border: 1px solid var(--hairline); }

.sizes { display: flex; gap: 8px; flex-wrap: wrap; }
.size {
  min-width: 46px; padding: 10px 8px; text-align: center;
  border: 1px solid var(--hairline); font-size: 12px; position: relative;
}
.size[data-a="in_stock"] { border-color: var(--ink); }
.size[data-a="low_on_stock"] { border-color: var(--warn); color: var(--warn); }
.size[data-a="out_of_stock"], .size[data-a="coming_soon"] { color: #c4c4c4; text-decoration: line-through; }
.size.yours { outline: 2px solid var(--accent); outline-offset: -1px; }
.size.yours::after { content: 'YOURS'; position: absolute; top: -7px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: 7px; letter-spacing: 0.12em; padding: 1px 4px; }
.size-legend { margin-top: 10px; font-size: 10px; color: var(--muted); letter-spacing: 0.06em; }

.zara-link { display: inline-block; margin-top: 30px; border: 1px solid var(--ink); padding: 12px 26px; font-size: 11px; letter-spacing: 0.3em; text-decoration: none; }
.zara-link:hover { background: var(--ink); color: var(--paper); }

/* review + price panels */
.panels { display: flex; flex-wrap: wrap; gap: 1px; background: var(--hairline); border-top: 1px solid var(--hairline); margin-top: 50px; }
.panel { background: var(--paper); flex: 1; min-width: 330px; padding: 34px 40px; }
.panel h3 { font-family: var(--serif); font-size: 18px; letter-spacing: 0.08em; font-weight: 500; margin-bottom: 6px; text-transform: uppercase; }
.panel .subtitle { color: var(--muted); font-size: 11px; line-height: 1.6; margin-bottom: 18px; }
.review { border-top: 1px solid var(--hairline); padding: 12px 0; }
.review .src { font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--agent); }
.review a { font-size: 12.5px; text-decoration: none; display: block; margin: 3px 0; }
.review a:hover { text-decoration: underline; }
.review .snip { color: var(--muted); font-size: 11px; line-height: 1.55; }
.price-verdict { font-size: 14px; line-height: 1.6; border-left: 2px solid var(--ink); padding-left: 14px; margin-bottom: 18px; }
.price-verdict.good { border-color: var(--accent); color: var(--accent); }
.sparkline { width: 100%; height: 60px; margin-top: 8px; }
.price-stats { display: flex; gap: 26px; margin-top: 14px; }
.price-stats div b { display: block; font-size: 15px; }
.price-stats div span { font-size: 9px; letter-spacing: 0.2em; color: var(--muted); text-transform: uppercase; }

/* --------------------------------------------- event-driven navigation */
#rails { margin-top: 44px; }
.rail { margin-bottom: 30px; }
.rail-title { font-size: 10px; letter-spacing: 0.3em; color: var(--muted); text-transform: uppercase; margin-bottom: 12px; }
.rail-title span { letter-spacing: 0.08em; text-transform: none; color: #a9a9a9; margin-left: 8px; }
.rail-row { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 6px; }
.mini { min-width: 128px; width: 128px; cursor: pointer; }
.mini img { width: 100%; aspect-ratio: 2/3; object-fit: cover; background: #f6f6f6; display: block; }
.mini:hover img { opacity: .88; }
.mini-name { font-size: 9.5px; letter-spacing: 0.06em; text-transform: uppercase; margin-top: 6px; line-height: 1.4; height: 27px; overflow: hidden; }
.mini-price { font-size: 10.5px; margin-top: 2px; }
.similar-row { padding: 30px 40px 6px; border-top: 1px solid var(--hairline); }

.seen-flag { position: absolute; bottom: 10px; left: 10px; background: rgba(255,255,255,.92); border: 1px solid var(--hairline); color: var(--muted); font-size: 8px; letter-spacing: 0.18em; padding: 3px 6px; z-index: 2; }

.nudge {
  position: fixed; top: 74px; left: 50%; transform: translateX(-50%); z-index: 60;
  display: flex; align-items: center; gap: 14px;
  background: var(--ink); color: var(--paper);
  padding: 12px 18px; font-size: 12px; letter-spacing: 0.04em;
  box-shadow: 0 6px 28px rgba(0,0,0,.28); animation: slideIn .3s ease;
  max-width: min(720px, 92vw);
}
.nudge b { text-transform: uppercase; letter-spacing: 0.1em; }
.nudge-go { border: 1px solid var(--paper); padding: 7px 12px; font-size: 10px; letter-spacing: 0.22em; color: var(--paper); white-space: nowrap; }
.nudge-go:hover { background: var(--paper); color: var(--ink); }
.nudge-x { color: #999; font-size: 12px; }
#feed li[data-channel="shop"] .who { color: var(--accent); }

/* -------------------------------------------------------------------- bag */
.bag-wrap { padding: 40px 8vw; max-width: 980px; }
.bag-wrap h2 { font-family: var(--serif); font-size: 28px; font-weight: 500; letter-spacing: 0.06em; margin-bottom: 4px; }
.bag-sub { color: var(--muted); font-size: 11px; letter-spacing: 0.1em; margin-bottom: 26px; }
.bag-item { display: flex; gap: 18px; border-top: 1px solid var(--hairline); padding: 18px 0; align-items: center; }
.bag-item img { width: 84px; aspect-ratio: 2/3; object-fit: cover; background: #f6f6f6; cursor: pointer; }
.bag-item .bi-main { flex: 1; }
.bag-item .bi-name { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.bag-item .bi-meta { color: var(--muted); font-size: 11px; margin-top: 4px; letter-spacing: 0.06em; }
.bag-item .bi-flags { margin-top: 6px; font-size: 10px; letter-spacing: 0.12em; }
.bag-item .drop { color: var(--accent); }
.bag-item .oos { color: var(--sale); }
.bag-item .bi-price { text-align: right; font-size: 13px; min-width: 90px; }
.bag-item .bi-price .was { text-decoration: line-through; color: var(--muted); font-size: 11px; display: block; }
.bag-item .bi-actions { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.bag-item .rm { font-size: 9px; letter-spacing: 0.2em; color: var(--muted); text-decoration: underline; }
.bag-item .rm:hover { color: var(--sale); }
.bag-item .zlink { font-size: 9px; letter-spacing: 0.16em; border: 1px solid var(--hairline); padding: 6px 10px; text-decoration: none; }
.bag-item .zlink:hover { border-color: var(--ink); }
.bag-total { display: flex; justify-content: space-between; border-top: 1px solid var(--ink); padding: 18px 0; font-size: 14px; letter-spacing: 0.1em; }
.bag-note { color: var(--muted); font-size: 11px; line-height: 1.7; margin-top: 8px; }
.bag-empty { border-top: 1px solid var(--hairline); padding: 40px 0; color: var(--muted); font-size: 12px; letter-spacing: 0.06em; }

.love {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  width: 30px; height: 30px; border-radius: 50%;
  background: rgba(255,255,255,.92); border: 1px solid var(--hairline);
  font-size: 15px; line-height: 1; color: #999; transition: color .15s, transform .15s;
}
.card .love { position: absolute; }
.card .ph { position: relative; }
.love:hover { color: var(--sale); transform: scale(1.12); }
.love.on { color: var(--sale); border-color: var(--sale); }
.love-detail { position: static; display: inline-flex; align-items: center; justify-content: center; vertical-align: middle; margin-left: 10px; }

.size.selectable { cursor: pointer; }
.size.selected { background: var(--ink); color: var(--paper); }
.addbag { display: inline-block; margin-top: 22px; background: var(--ink); color: var(--paper); border: 1px solid var(--ink); padding: 13px 30px; font-size: 11px; letter-spacing: 0.3em; }
.addbag:hover { background: var(--paper); color: var(--ink); }
.addbag[disabled] { opacity: .4; pointer-events: none; }

/* ----------------------------------------------------------------- dialog */
#sizeDialogBackdrop { position: fixed; inset: 0; background: rgba(17,17,17,.45); display: flex; align-items: center; justify-content: center; z-index: 90; }
#sizeDialog { background: var(--paper); padding: 38px 42px; width: 340px; }
#sizeDialog h2 { font-family: var(--serif); font-size: 20px; letter-spacing: 0.12em; font-weight: 500; margin-bottom: 22px; }
#sizeDialog label { display: flex; justify-content: space-between; align-items: center; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 14px; }
#sizeDialog input { width: 120px; border: none; border-bottom: 1px solid var(--ink); padding: 6px 2px; font: inherit; text-align: center; outline: none; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 26px; }
.dialog-actions button { padding: 10px 18px; font-size: 10px; letter-spacing: 0.24em; border: 1px solid var(--hairline); }
.dialog-actions .primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* --------------------------------------------------------------- responsive */
@media (max-width: 860px) {
  #feedPane { display: none; }
  #topbar { flex-wrap: wrap; gap: 10px; }
  .detail-info { position: static; }
}