:root{--bg:#07111f;--panel:#101d2e;--panel2:#13243a;--text:#edf6ff;--muted:#90a4ba;--cyan:#21d4fd;--green:#31e6a1;--red:#ff6680;--gold:#ffca62;--border:#243a54}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% 0,#123358 0,transparent 30%),var(--bg);color:var(--text);font-family:Tahoma,Arial,sans-serif;min-height:100vh}.topbar{height:74px;background:rgba(9,22,38,.92);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 6%;position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}.brand{font-size:20px;font-weight:700;color:#fff;text-decoration:none}.brand span{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--cyan),#1976ff);box-shadow:0 0 22px #21d4fd66;margin-left:8px}.topbar nav{display:flex;gap:10px}.topbar nav a,.btn{color:var(--text);text-decoration:none;border:1px solid var(--border);border-radius:10px;padding:10px 15px;background:#15263a;cursor:pointer;font:inherit;display:inline-flex;align-items:center;justify-content:center}.topbar nav a:hover,.btn:hover{border-color:var(--cyan)}.container{width:min(1180px,92%);margin:35px auto}.hero{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.hero.compact{margin-bottom:18px}.hero h1{font-size:36px;margin:4px 0}.hero p{color:var(--muted);margin:5px 0}.eyebrow{color:var(--cyan)!important;font-weight:700}.btn.primary{color:#04131e;background:linear-gradient(135deg,var(--cyan),var(--green));border:0;font-weight:700;box-shadow:0 0 25px #21d4fd33}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:18px}.stats article,.card{background:linear-gradient(145deg,var(--panel2),var(--panel));border:1px solid var(--border);border-radius:16px;box-shadow:0 18px 50px #0003}.stats article{padding:22px}.stats strong{font-size:29px;display:block;color:var(--cyan)}.stats span,small{display:block;color:var(--muted);margin-top:6px}.filters{display:grid;grid-template-columns:1fr 240px auto;gap:12px;padding:15px;margin-bottom:18px}input,select,textarea{width:100%;background:#091625;color:var(--text);border:1px solid var(--border);border-radius:10px;padding:12px;font:inherit;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px #21d4fd18}textarea{resize:vertical}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:760px}th,td{text-align:right;padding:15px;border-bottom:1px solid var(--border);vertical-align:middle}th{color:var(--muted);font-size:13px}tr:last-child td{border:0}.badge{display:inline-block;padding:6px 10px;border-radius:99px;font-size:12px;font-weight:700}.badge.success{background:#31e6a122;color:var(--green)}.badge.danger{background:#ff668022;color:var(--red)}.badge.warning{background:#ffca6222;color:var(--gold)}.badge.muted{background:#90a4ba22;color:var(--muted)}.actions{display:flex;gap:6px;align-items:center}.actions form{margin:0}.btn.small{padding:7px 10px;font-size:12px}.danger-btn{color:var(--red)}.empty{text-align:center!important;color:var(--muted);padding:40px}.alert{padding:14px 18px;border-radius:12px;margin-bottom:18px}.alert.success{background:#31e6a122;color:var(--green);border:1px solid #31e6a155}.alert.danger{background:#ff668022;color:var(--red);border:1px solid #ff668055}.product-form{padding:25px;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.product-form label,.group-form label{color:var(--muted);display:grid;gap:8px}.wide{grid-column:1/-1}.form-actions{display:flex;gap:10px}.groups-grid{display:grid;grid-template-columns:330px 1fr;gap:18px;align-items:start}.group-form{padding:22px;display:grid;gap:18px}.group-form h2{margin:0}footer{text-align:center;color:var(--muted);padding:25px}@media(max-width:760px){.topbar{height:auto;padding:14px 4%;align-items:flex-start;gap:12px;flex-direction:column}.topbar nav{width:100%;overflow:auto}.hero{align-items:flex-start;gap:15px}.hero h1{font-size:28px}.stats{grid-template-columns:1fr}.filters,.product-form,.groups-grid{grid-template-columns:1fr}.wide{grid-column:auto}.container{margin-top:22px}}