:root{--bg:#eef1f4;--surface:#fff;--text:#17202a;--muted:#68727d;--line:#dfe4e8;--brand:#174a7e;--brand-dark:#10385f;--accent:#d94b35;--success:#23784a;--radius:12px;--shadow:0 10px 35px rgba(23,32,42,.08)}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:var(--brand);text-decoration:none}
img{display:block;max-width:100%}
.site-shell{width:min(1180px,calc(100% - 32px));margin:28px auto;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:24px 30px;background:#fff;border-bottom:1px solid var(--line)}
.brand{font-size:1.35rem;font-weight:800;color:var(--text)}
.site-header nav,.site-footer nav{display:flex;gap:22px;flex-wrap:wrap}
.site-header nav a{font-weight:650;color:var(--text)}
.site-header nav a:hover{color:var(--brand)}
.site-main{min-height:560px;padding:34px 30px 48px}
.site-footer{display:flex;justify-content:space-between;gap:20px;padding:22px 30px;background:#17202a;color:#dce2e7}
.site-footer a{color:#fff}
.intro{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
.intro h1{margin:0 0 6px;font-size:clamp(1.8rem,4vw,2.7rem);line-height:1.15}
.intro p{margin:0;color:var(--muted)}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.filter{padding:8px 13px;border:1px solid var(--line);border-radius:999px;color:var(--text);background:#fff}
.filter.active,.filter:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.listing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.listing-card{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.18s ease}
.listing-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.listing-card__image{aspect-ratio:4/3;background:#e4e8eb;overflow:hidden}
.listing-card__image img{width:100%;height:100%;object-fit:cover}
.image-placeholder{height:100%;display:grid;place-items:center;color:var(--muted);font-weight:650}
.listing-card__body{padding:18px}
.listing-card h2{margin:0 0 7px;font-size:1.15rem;line-height:1.35}
.listing-card p{margin:0 0 14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.price{font-size:1.1rem;font-weight:800;color:var(--text)}
.badge-new{position:absolute;top:12px;left:12px;padding:5px 10px;background:var(--accent);color:#fff;border-radius:999px;font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.detail-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.8fr);gap:34px}
.gallery-main{aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;background:#e4e8eb}
.gallery-main img{width:100%;height:100%;object-fit:cover}
.gallery-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:9px}
.gallery-thumb{padding:0;border:2px solid transparent;border-radius:9px;background:none;cursor:pointer;overflow:hidden;opacity:.72;transition:.18s ease}
.gallery-thumb:hover,.gallery-thumb.active{border-color:var(--brand);opacity:1}
.gallery-thumb img{width:100%;aspect-ratio:1;object-fit:cover}
.detail-content h1{margin-top:0;line-height:1.2}
.detail-price{font-size:1.65rem;font-weight:850;margin:18px 0}
.contact-box,.panel{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#f8fafb}
.contact-box h2,.panel h2{margin-top:0}
.btn{display:inline-flex;justify-content:center;align-items:center;padding:10px 16px;border:0;border-radius:8px;background:var(--brand);color:#fff;font:inherit;font-weight:700;cursor:pointer}
.btn:hover{background:var(--brand-dark)}
.btn-secondary{background:#68727d}.btn-danger{background:#aa3125}.btn-success{background:var(--success)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}
label{font-weight:700}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid #cbd2d8;border-radius:8px;background:#fff;color:var(--text);font:inherit}
textarea{min-height:130px;resize:vertical}
.alert{padding:12px 16px;margin-bottom:20px;border-radius:8px;background:#e9f5ee;color:#185a37}.alert.error{background:#fbe9e6;color:#8e2b21}
.empty{padding:45px 25px;text-align:center;border:1px dashed #bdc6ce;border-radius:var(--radius);color:var(--muted)}
.admin-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:25px}.admin-actions{display:flex;gap:10px;flex-wrap:wrap}
table{width:100%;border-collapse:collapse}th,td{padding:11px 9px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:.82rem;text-transform:uppercase;color:var(--muted)}
.image-row{display:grid;grid-template-columns:90px 1fr auto;gap:15px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}.image-row img{width:90px;height:70px;object-fit:cover;border-radius:8px}
.login-card{max-width:430px;margin:60px auto;padding:28px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.website-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
@media(max-width:850px){.listing-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-grid{grid-template-columns:1fr}.site-header{align-items:flex-start;flex-direction:column}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}}
@media(max-width:560px){.site-shell{width:100%;margin:0;border:0;border-radius:0}.site-main{padding:26px 18px 38px}.site-header,.site-footer{padding:20px 18px}.site-footer{flex-direction:column}.listing-grid{grid-template-columns:1fr}.intro{align-items:flex-start;flex-direction:column}.gallery-thumbs{grid-template-columns:repeat(4,1fr)}table{display:block;overflow-x:auto}}