:root{
  --bg:#0e1411; --panel:#16201b; --panel2:#1d2a23; --line:#2a3a30;
  --green:#00A550; --green-d:#00652E; --text:#e8efe9; --muted:#8aa395; --err:#ff6b6b;
  --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:Montserrat,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text)}
.hidden{display:none !important}
.muted{color:var(--muted);font-size:13px}
.err{color:var(--err);font-size:13px;margin-top:6px;min-height:16px}
button{cursor:pointer;border:none;border-radius:8px;padding:9px 14px;font-weight:600;background:var(--green);color:#fff;font-size:14px}
button.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
button.sm{padding:5px 9px;font-size:12px}
button:disabled{opacity:.5;cursor:not-allowed}
input,textarea,select{width:100%;background:var(--panel2);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:9px 11px;font-size:14px;font-family:inherit}
textarea{resize:vertical;min-height:70px}
label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px}
a{color:var(--green)}

/* login */
.login-wrap{min-height:100vh;display:grid;place-items:center}
.login-card{background:var(--panel);padding:34px;border-radius:var(--radius);width:340px;border:1px solid var(--line)}
.brandmark{font-size:22px;font-weight:800;color:var(--green)}
.login-card input{margin:18px 0 12px}

/* shell */
.topbar{display:flex;align-items:center;gap:18px;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.logo{font-weight:800;color:var(--green)}
.brandpick{display:flex;gap:6px;align-items:center}
.brandpick select{width:200px}
.tabs{display:flex;gap:6px;margin-left:auto}
.tab{background:transparent;color:var(--muted);border:1px solid transparent}
.tab.active{background:var(--panel2);color:var(--text);border-color:var(--line)}
main{max-width:1180px;margin:0 auto;padding:22px}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:18px}
.card h3{margin:0 0 4px;font-size:16px}
.collapser{cursor:pointer;display:flex;align-items:center;user-select:none;margin-bottom:10px}
.collapser .chev{margin-left:auto;color:var(--muted);transition:transform .15s ease;font-size:13px}
.collapser.collapsed{margin-bottom:0}
.collapser.collapsed .chev{transform:rotate(-90deg)}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row > *{flex:1;min-width:160px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--panel2);border:1px solid var(--line);border-radius:20px;padding:5px 10px;font-size:12px;margin:3px}
.thumb{width:100%;aspect-ratio:1;object-fit:contain;background:#0a0f0c;border-radius:8px;border:1px solid var(--line)}
.logoThumb{height:54px;background:#fff;border-radius:6px;padding:4px;object-fit:contain}
.itemcard{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px}
.itemcard .thumb{aspect-ratio:4/3}
.flexbtn{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.pricetag{color:var(--green);font-weight:700}
.strike{text-decoration:line-through;color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:760px){.split{grid-template-columns:1fr}}

/* plan table */
.entry{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:12px}
.concept{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:14px}
.concept .head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}
.badge{background:var(--green-d);color:#fff;border-radius:6px;padding:3px 9px;font-size:12px;font-weight:700}
.statusdot{font-size:12px;color:var(--muted)}
.statusdot.done{color:var(--green)}
.statusdot.error{color:var(--err)}

/* results */
.piece{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.piece img{width:100%;display:block;background:#0a0f0c}
.piece-main{cursor:zoom-in}
.piece .body{padding:12px}
.piece .ver{display:flex;gap:6px;overflow-x:auto;padding:6px 0}
.piece .ver img{width:46px;height:58px;object-fit:cover;border-radius:5px;border:2px solid transparent;cursor:pointer}
.piece .ver img.active{border-color:var(--green)}
.spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--muted);border-top-color:var(--green);border-radius:50%;animation:spin .8s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}

/* product carousel */
.carousel{position:relative}
.carstage{position:relative;background:#0a0f0c;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.carimg{width:100%;aspect-ratio:1;object-fit:cover;display:block;cursor:zoom-in}
.carbtn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.5);border:none;color:#fff;width:30px;height:30px;border-radius:50%;padding:0;font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center}
.carbtn:hover{background:rgba(0,0,0,.75)}
.carbtn.prev{left:6px}.carbtn.next{right:6px}
.carcount{position:absolute;bottom:6px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.6);color:#fff;font-size:11px;padding:2px 9px;border-radius:10px}
.cardel{position:absolute;top:6px;right:6px;background:rgba(0,0,0,.55);color:#fff;border:none;border-radius:6px;width:24px;height:24px;padding:0;font-size:15px;cursor:pointer}
.cardel:hover{background:var(--err)}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:100;display:flex;align-items:center;justify-content:center;animation:fade .12s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.lb-img{max-width:92vw;max-height:90vh;object-fit:contain;border-radius:8px;box-shadow:0 10px 40px rgba(0,0,0,.6)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.12);border:none;color:#fff;width:50px;height:50px;border-radius:50%;font-size:26px;cursor:pointer}
.lb-nav:hover{background:rgba(255,255,255,.25)}
.lb-prev{left:18px}.lb-next{right:18px}
.lb-close{position:absolute;top:16px;right:22px;background:transparent;border:none;color:#fff;font-size:34px;line-height:1;cursor:pointer}
.lb-count{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);color:#fff;font-size:14px;background:rgba(0,0,0,.5);padding:4px 12px;border-radius:12px}

.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--panel2);border:1px solid var(--line);padding:11px 18px;border-radius:10px;font-size:14px;z-index:50}
.toast.err{border-color:var(--err);color:var(--err)}