:root{--navy:#102f46;--blue:#176b98;--ice:#eaf5fa;--red:#d64a3a;--text:#17242c;--muted:#657681;--line:#d8e3e8;--white:#fff;--shadow:0 10px 30px rgba(16,47,70,.1)}
*{box-sizing:border-box}body{margin:0;background:#f5f8fa;color:var(--text);font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:var(--blue);text-decoration:none}header{height:68px;background:var(--navy);display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100% - 1180px)/2));position:sticky;top:0;z-index:10}.brand,nav a{color:#fff}.brand{font-size:1.12rem;font-weight:850}nav{display:flex;align-items:center;gap:18px}main{max-width:1180px;margin:auto;padding:30px 18px 60px}footer{text-align:center;color:var(--muted);padding:25px;font-size:.88rem}.button,button{display:inline-flex;align-items:center;justify-content:center;background:var(--red);color:#fff;border:0;border-radius:10px;padding:13px 18px;font:700 1rem inherit;cursor:pointer}.small{padding:8px 12px}.wide{width:100%;margin-top:22px}.list-head{display:flex;justify-content:space-between;align-items:end;margin:10px 0 26px}.list-head h1{margin:0;font-size:clamp(1.9rem,5vw,3rem)}.list-head p{margin:3px 0;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;color:var(--text);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:.18s}.card:hover{transform:translateY(-3px)}.thumb{aspect-ratio:4/3;background:var(--ice);display:grid;place-items:center;font-size:3.5rem}.thumb img{width:100%;height:100%;object-fit:cover}.card-body{padding:16px}.card h2{font-size:1.15rem;margin:0 0 7px}.card p{margin:0 0 12px;color:var(--muted)}.card strong,.price{font-size:1.35rem;color:var(--red)}.back{display:inline-block;margin-bottom:16px}.detail{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,1fr);gap:28px}.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px}.gallery img:first-child{grid-column:1/-1}.no-photo{min-height:400px;background:var(--ice);border-radius:16px;display:grid;place-items:center;font-size:6rem}.detail-info,.form-card,.login{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:clamp(20px,5vw,36px);height:max-content}.detail-info h1,.form-card h1,.login h1{margin-top:0}.description{border-top:1px solid var(--line);margin-top:20px;padding-top:20px}.form-card{max-width:760px;margin:10px auto}.login{max-width:430px;margin:40px auto}form{display:grid;gap:18px}label{display:grid;gap:7px;font-weight:650}input,textarea{width:100%;border:1px solid #b6c6ce;border-radius:9px;padding:12px 13px;font:inherit;color:inherit;background:#fff}input:focus,textarea:focus{outline:3px solid #bae3f4;border-color:var(--blue)}textarea{resize:vertical}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.muted{color:var(--muted)}.notice{padding:14px 17px;margin-bottom:20px;border-radius:10px}.notice.ok{background:#dcf3e5;color:#185e36}.notice.error{background:#fde3e0;color:#852c22}.empty,.success{text-align:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:50px 20px}.success{max-width:650px;margin:20px auto}.success>b{display:grid;place-items:center;width:64px;height:64px;margin:auto;background:#dcf3e5;color:#19713d;border-radius:50%;font-size:2rem}.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.old-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px}.old-photo span{font-weight:400;font-size:.85rem}.old-photo input{width:auto}.admin-head{display:flex;justify-content:space-between;align-items:center}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:14px;border-bottom:1px solid var(--line)}.status{display:inline-block;border-radius:99px;padding:4px 9px;font-size:.82rem}.status.active{background:#dcf3e5;color:#185e36}.status.pending{background:#fff1c8;color:#765900}.actions{display:flex;gap:12px}.actions form{display:inline}.link{background:none;padding:0;color:var(--blue);font-weight:500}.danger{color:#b52e23}
@media(max-width:800px){.cards{grid-template-columns:repeat(2,1fr)}.detail{grid-template-columns:1fr}.detail-info{padding:20px}}
@media(max-width:560px){header{height:60px}.brand{font-size:1rem}nav>a:first-child{display:none}main{padding:18px 12px 45px}.list-head{align-items:start}.list-head>.button{display:none}.cards{grid-template-columns:1fr;gap:14px}.card{display:grid;grid-template-columns:42% 1fr}.thumb{aspect-ratio:1}.card-body{padding:13px}.two{grid-template-columns:1fr}.gallery{gap:5px}.gallery img{border-radius:7px}.photo-grid{grid-template-columns:repeat(2,1fr)}th,td{padding:10px 8px}.actions{flex-direction:column;gap:5px}}
.thumb{position:relative}.is-sold .thumb img{filter:grayscale(.8);opacity:.72}.sold-badge{position:absolute;left:10px;top:10px;background:#26343d;color:#fff;border-radius:7px;padding:6px 9px;font-size:.78rem;font-weight:800}.sold{display:flex;align-items:center;justify-content:center;background:#26343d;color:#fff;border-radius:10px;padding:13px 18px;font-weight:850;letter-spacing:.08em}.status.sold{background:#e1e6e9;color:#26343d}
.sell-action{max-width:760px;margin:18px auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}.sell-action h2{margin-top:0}.sell-action form{display:block}.sold-button{background:#26343d}
.gallery img,.old-photo img{object-fit:contain;background:var(--ice)}