:root{--bg:#f6f8fb;--card:#fff;--ink:#1f2937;--mut:#6b7280;--acc:#2f7d6d;--acc2:#e8f3f0;--sold:#b45309}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
header{background:var(--acc);color:#fff;padding:18px 16px}header h1{margin:0;font-size:1.4rem}header p{margin:4px 0 0;opacity:.9;font-size:.9rem}
main{max-width:960px;margin:0 auto;padding:14px}
.how{background:var(--acc2);border-radius:12px;padding:12px 16px;margin-bottom:14px;font-size:.92rem}.how ol{margin:6px 0 0;padding-left:20px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}select,input,textarea,button{font:inherit;padding:10px;border-radius:10px;border:1px solid #d1d5db;background:#fff}
button{background:var(--acc);color:#fff;border:none;cursor:pointer;font-weight:600}button.ghost{background:#fff;color:var(--acc);border:1px solid var(--acc)}button.danger{background:#b91c1c}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.card{background:var(--card);border-radius:14px;overflow:hidden;box-shadow:0 1px 3px #0001;display:flex;flex-direction:column}
.card .ph{aspect-ratio:4/3;background:#e5e7eb center/cover;display:flex;align-items:center;justify-content:center;color:var(--mut);font-size:2.5rem}
.card .b{padding:10px 12px;flex:1;display:flex;flex-direction:column;gap:4px}.price{font-weight:700;font-size:1.15rem;color:var(--acc)}
.tag{display:inline-block;background:#eef2f7;border-radius:999px;padding:2px 8px;font-size:.78rem;margin-right:4px}.tag.ex{background:#fef3c7}.tag.sold{background:#fde2e2;color:var(--sold)}
.mut{color:var(--mut);font-size:.85rem}.empty{text-align:center;padding:40px 10px;color:var(--mut)}
dialog{border:none;border-radius:14px;max-width:420px;width:92vw}dialog form{display:flex;flex-direction:column;gap:8px}
footer{text-align:center;color:var(--mut);font-size:.8rem;padding:20px}