:root{
  --bg-1:#050816;
  --bg-2:#0a0f2c;
  --accent:#00e0ff;
  --accent-2:#7b5cff;
  --danger:#ff4d6d;
  --ok:#5eead4;
  --text:#e8ecff;
  --muted:#8a93b8;
  --glass: rgba(255,255,255,0.06);
  --glass-strong: rgba(255,255,255,0.10);
  --border: rgba(255,255,255,0.14);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100vh;font-family:'Inter','Segoe UI',system-ui,sans-serif;color:var(--text);background:var(--bg-1);}
body{
  background:
    radial-gradient(900px 600px at 10% -10%, rgba(0,224,255,.18), transparent 60%),
    radial-gradient(800px 500px at 110% 10%, rgba(123,92,255,.22), transparent 60%),
    radial-gradient(700px 700px at 50% 120%, rgba(0,224,255,.12), transparent 60%),
    linear-gradient(180deg,#050816 0%,#0a0f2c 100%);
  background-attachment: fixed;
}

a{color:var(--accent);text-decoration:none}
button{font-family:inherit}

/* ===== Glass primitives ===== */
.glass{
  background: var(--glass);
  border:1px solid var(--border);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-radius:18px;
  box-shadow: 0 10px 40px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06);
}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:12px;border:1px solid var(--border);
  background:linear-gradient(135deg, rgba(0,224,255,.25), rgba(123,92,255,.25));
  color:#fff;cursor:pointer;font-weight:600;letter-spacing:.2px;
  transition: transform .12s ease, box-shadow .2s ease, background .2s;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,224,255,.25)}
.btn.ghost{background:transparent}
.btn.danger{background:linear-gradient(135deg, rgba(255,77,109,.35), rgba(123,0,60,.35))}
.btn:disabled{opacity:.5;cursor:not-allowed}

.input, .select{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);
  background:rgba(255,255,255,.05);color:var(--text);outline:none;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,224,255,.18)}

/* ===== Login ===== */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:100%;max-width:420px;padding:36px}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.brand .logo{
  width:44px;height:44px;border-radius:12px;
  background:conic-gradient(from 180deg, var(--accent), var(--accent-2), var(--accent));
  box-shadow:0 0 30px rgba(0,224,255,.45);
}
.brand h1{margin:0;font-size:22px;letter-spacing:.5px}
.brand small{color:var(--muted);display:block;margin-top:2px}

.field{margin-top:14px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:1px}

.error{margin-top:12px;color:var(--danger);font-size:13px;min-height:18px}

/* ===== App layout ===== */
.app{display:flex;flex-direction:column;min-height:100vh}
.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;gap:16px;
  padding:14px 22px;margin:14px;
}
.topbar .brand{margin:0}
.spacer{flex:1}
.user-chip{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}

.toolbar{
  display:flex;flex-wrap:wrap;gap:10px;padding:14px 18px;margin:0 14px 14px;
}
.toolbar .input{min-width:260px;flex:1}
.toolbar .select, .toolbar .input.small{max-width:160px}

.count{color:var(--muted);font-size:13px;padding:0 22px}

.grid{
  display:grid;gap:18px;padding:14px 22px 40px;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
}

.card{
  position:relative;overflow:hidden;border-radius:18px;cursor:pointer;
  display:flex;flex-direction:column;min-height:300px;
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s;
}
.card:hover{transform:translateY(-3px);border-color:rgba(0,224,255,.55);box-shadow:0 14px 36px rgba(0,224,255,.18)}
.card .thumb{
  height:170px;background:#0c1230;display:grid;place-items:center;overflow:hidden;
  background-image:
    linear-gradient(135deg, rgba(0,224,255,.08), rgba(123,92,255,.08));
}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .thumb .ph{font-size:48px;opacity:.5}
.card .body{padding:12px 14px;flex:1;display:flex;flex-direction:column}
.card .name{font-weight:600;font-size:14px;line-height:1.3;min-height:36px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .meta{display:flex;justify-content:space-between;align-items:center;margin-top:10px}
.card .price{font-size:18px;font-weight:700;color:var(--accent)}
.card .stock{font-size:12px;color:var(--muted)}
.card .stock.low{color:var(--danger)}
.card .stock.ok{color:var(--ok)}
.card .code{position:absolute;top:10px;left:10px;background:rgba(0,0,0,.45);
  padding:4px 8px;border-radius:8px;font-size:11px;letter-spacing:.5px}
.card .has-photo{position:absolute;top:10px;right:10px;background:rgba(0,224,255,.25);
  border:1px solid rgba(0,224,255,.5);padding:3px 8px;border-radius:8px;font-size:10px}

/* ===== Modal ===== */
.modal-back{
  position:fixed;inset:0;background:rgba(2,5,20,.72);backdrop-filter:blur(6px);
  display:none;align-items:center;justify-content:center;z-index:50;padding:20px;
}
.modal-back.open{display:flex}
.modal{width:100%;max-width:720px;max-height:90vh;overflow:auto;padding:24px}
.modal h2{margin:0 0 8px}
.modal .row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.modal .row .item{background:rgba(255,255,255,.04);padding:10px 12px;border-radius:10px;border:1px solid var(--border)}
.modal .row .item small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:1px;margin-bottom:4px}
.modal .photo-area{
  margin-top:18px;border-radius:14px;border:1px dashed var(--border);
  min-height:220px;display:grid;place-items:center;background:rgba(255,255,255,.03);overflow:hidden;
}
.modal .photo-area img{max-width:100%;max-height:340px;object-fit:contain}
.modal .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;align-items:center}
.modal .close{position:absolute;top:14px;right:14px;background:transparent;border:0;color:var(--text);font-size:20px;cursor:pointer}
.modal-wrap{position:relative}

.web-panel{
  margin-top:14px;padding:12px;border:1px solid var(--border);border-radius:14px;
  background:rgba(255,255,255,.03);
}
.web-toolbar{display:flex;gap:8px;margin-bottom:10px}
.web-toolbar .input{flex:1}
.web-results{
  display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));
  max-height:300px;overflow:auto;
}
.web-results .thumb-pick{
  position:relative;aspect-ratio:1/1;border-radius:10px;overflow:hidden;cursor:pointer;
  border:2px solid transparent;background:#0c1230;transition:border-color .15s,transform .15s;
}
.web-results .thumb-pick:hover{border-color:var(--accent);transform:scale(1.03)}
.web-results .thumb-pick img{width:100%;height:100%;object-fit:cover;display:block}
.web-results .empty,.web-results .loading{
  grid-column:1/-1;text-align:center;color:var(--muted);padding:18px;
}

.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  padding:12px 18px;border-radius:12px;background:rgba(0,0,0,.7);
  border:1px solid var(--border);color:#fff;z-index:80;opacity:0;transition:opacity .2s;
}
.toast.show{opacity:1}
.toast.err{border-color:var(--danger)}

/* spinner */
.loader{display:inline-block;width:18px;height:18px;border:2px solid rgba(255,255,255,.2);
  border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:560px){
  .modal .row{grid-template-columns:1fr}
  .toolbar .input, .toolbar .select{max-width:none;width:100%}
}