:root{
  --bg:#f6f7f9; --fg:#1c2430; --muted:#6b7785; --line:#e3e7ec;
  --brand:#1f6feb; --brand-d:#1a5fd0; --ok:#1f9d55; --warn:#b7791f;
  --danger:#d64545; --info:#2b6cb0; --card:#fff;
}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--fg)}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

.site-header{background:var(--card);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{font-weight:700;font-size:18px;color:var(--fg)}
.nav{display:flex;align-items:center;gap:14px}
.nav .hi{color:var(--muted)}
.langs{display:flex;gap:6px;margin-left:8px}
.langs a{font-size:12px;color:var(--muted);border:1px solid var(--line);
  padding:2px 6px;border-radius:4px}
.langs a.on{background:var(--brand);color:#fff;border-color:var(--brand)}

.btn{display:inline-block;background:var(--brand);color:#fff;border:0;
  padding:9px 16px;border-radius:8px;cursor:pointer;font-size:15px}
.btn:hover{background:var(--brand-d);text-decoration:none}
.btn-lg{padding:12px 22px;font-size:17px}

main.wrap{padding-top:24px;padding-bottom:48px;display:block;width:100%}
.hero{text-align:center;padding:48px 0}
.hero h1{font-size:32px;margin:0 0 8px}
.hero p{color:var(--muted);margin:0 0 24px}

.card{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:24px}
.card.narrow{max-width:420px;margin:0 auto}
.card h2{margin-top:0}

.field{margin-bottom:14px;display:flex;flex-direction:column;gap:4px}
.field label{font-size:14px;color:var(--muted)}
.input{padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:15px}
.input:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.check{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);
  margin-bottom:14px}
.errors{color:var(--danger);font-size:13px;margin:2px 0 0;padding-left:18px}
.muted{color:var(--muted);font-size:14px;margin-top:14px}

.flashes{margin-bottom:18px;display:flex;flex-direction:column;gap:8px}
.flash{padding:10px 14px;border-radius:8px;border:1px solid var(--line)}
.flash-success{background:#e8f6ee;border-color:#bfe3cd;color:var(--ok)}
.flash-danger{background:#fdeaea;border-color:#f4c4c4;color:var(--danger)}
.flash-warning{background:#fdf4e3;border-color:#f0dcae;color:var(--warn)}
.flash-info{background:#e9f1fb;border-color:#cadcf3;color:var(--info)}

.site-footer{border-top:1px solid var(--line);color:var(--muted);
  font-size:13px;padding:18px 0}
.cf-turnstile{margin:0 0 14px}

/* --- Phase 2: listings --- */
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn.danger{background:var(--danger)}
.btn.tiny{padding:2px 8px;font-size:12px;border-radius:6px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-wide{max-width:640px;margin:0 auto}
.browse{display:grid;grid-template-columns:260px 1fr;gap:20px;align-items:start;width:100%}
.browse .filters{min-width:0}
.browse .results{min-width:0;width:100%}
.filters h3{margin-top:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,220px));gap:14px}
.tile{padding:0;overflow:hidden;display:block;color:var(--fg);width:100%;max-width:220px}
.tile:hover{text-decoration:none;box-shadow:0 2px 10px rgba(0,0,0,.08)}
.thumb{width:100%;height:140px;object-fit:cover;display:block;background:#eef1f4}
.thumb.noimg{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}
.tile-body{padding:10px}
.tile-title{font-weight:600;font-size:14px;line-height:1.3;margin-bottom:4px}
.tile-meta{display:flex;gap:8px;align-items:center}
.price{color:var(--ok);font-weight:700}
.price.big{font-size:24px}
.small{font-size:12px}
.badge{display:inline-block;font-size:11px;padding:2px 7px;border-radius:10px;background:#eef1f4;color:var(--muted)}
.badge.ok{background:#e8f6ee;color:var(--ok)}
.badge.warn{background:#fdf4e3;color:var(--warn)}
.badge.cat{background:#e9f1fb;color:var(--info)}
.pager{margin-top:18px;display:flex;gap:16px}
.detail{display:grid;grid-template-columns:1fr 280px;gap:20px;align-items:start}
.detail-meta{display:flex;gap:10px;align-items:center;margin:8px 0}
.gallery{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.gallery img{max-width:220px;border-radius:8px}
.body{margin:14px 0;line-height:1.6}
.attrs{border-collapse:collapse;width:100%}
.attrs th,.attrs td{text-align:left;padding:6px 10px;border-bottom:1px solid var(--line)}
.attrs th{color:var(--muted);font-weight:600;width:40%}
.detail-side .btn{display:block;margin-bottom:8px;text-align:center}
.detail-side form{margin:0}
.seller{margin-bottom:14px}
.mine-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.mine-head .btn{margin-left:auto}
table.list{width:100%;border-collapse:collapse}
table.list td{padding:8px 10px;border-bottom:1px solid var(--line)}
.thumbs{display:flex;gap:10px;flex-wrap:wrap}
.thumb-wrap{position:relative}
.thumb-wrap img{width:90px;height:90px;object-fit:cover;border-radius:8px}
.thumb-wrap form{position:absolute;top:2px;right:2px;margin:0}
@media(max-width:760px){.browse,.detail{grid-template-columns:1fr}}

/* --- Phase 3: messaging + favorites --- */
.msg-link{position:relative}
.badge-count{display:inline-flex;align-items:center;justify-content:center;
  background:var(--danger);color:#fff;border-radius:10px;font-size:11px;
  min-width:18px;height:18px;padding:0 5px;font-weight:700;vertical-align:middle}
.badge-count.sm{min-width:16px;height:16px;font-size:10px}
.inbox-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.inbox-head h2{margin:0}
.conv-list{list-style:none;padding:0;margin:0}
.conv-row{border-bottom:1px solid var(--line);padding:12px 0}
.conv-row a{display:block;text-decoration:none;color:var(--fg)}
.conv-row a:hover{background:var(--bg);border-radius:8px;padding:4px;margin:-4px}
.conv-row.unread .conv-who{font-weight:700}
.conv-meta{display:flex;align-items:center;gap:8px;margin-bottom:2px}
.conv-who{flex:1}
.conv-time{margin-left:auto}
.conv-listing,.conv-preview{margin-top:2px}
.conv-wrap{display:flex;flex-direction:column;gap:16px;max-width:680px;margin:0 auto}
.conv-header h3{margin:8px 0 4px}
.thread{display:flex;flex-direction:column;gap:12px}
.bubble{max-width:80%;padding:12px 14px;border-radius:16px;line-height:1.5}
.bubble.mine{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:4px}
.bubble.theirs{align-self:flex-start;background:var(--card);border:1px solid var(--line);border-bottom-left-radius:4px}
.bubble-meta{margin-top:6px;font-size:11px;opacity:.7}
.bubble.mine .bubble-meta{text-align:right}
.reply-box{padding:16px}
.mask-notice{background:#fdf4e3;border:1px solid #f0dcae;border-radius:8px;
  padding:8px 12px;margin-top:8px}

.link-btn{background:none;border:none;padding:0;color:inherit;font:inherit;cursor:pointer;text-decoration:none}
.link-btn:hover{text-decoration:underline}
.logout-form{display:inline}