:root{--bg:#F8FAFC;--card:#FFF;--bdr:#E2E8F0;--tx:#0F172A;--mut:#64748B;--blu:#3B82F6;--grn:#22C55E;--red:#EF4444;--ylw:#EAB308;--pur:#8B5CF6;--org:#F97316;--sb:#0F172A;--sbt:#94A3B8}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--tx);display:flex;height:100vh;overflow:hidden}
.sb{width:200px;background:var(--sb);color:var(--sbt);display:flex;flex-direction:column;flex-shrink:0}
.sb .logo{padding:16px;font-weight:900;font-size:18px;color:#FFF;border-bottom:1px solid #1E293B;display:flex;align-items:center;gap:8px}
.sb .logo span{color:var(--ylw)}
.sb nav{padding:6px 0;flex:1;overflow-y:auto}
.ni{display:flex;align-items:center;gap:8px;padding:9px 16px;cursor:pointer;font-size:13px;font-weight:500;transition:all .12s;border-left:3px solid transparent}
.ni:hover{background:#1E293B;color:#FFF}
.ni.act{background:#1E293B;color:#FFF;border-left-color:var(--blu)}
.ni .ic{font-size:15px;width:18px;text-align:center}
.ns{padding:14px 16px 5px;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:#475569}
.sb .inf{padding:12px 16px;border-top:1px solid #1E293B;font-size:10px;color:#475569}
.role-sw{display:flex;margin:8px 12px;border-radius:6px;overflow:hidden;border:1px solid #334155}
.role-sw button{flex:1;padding:6px;font-size:11px;font-weight:600;border:none;cursor:pointer;background:#1E293B;color:var(--sbt);transition:all .12s}
.role-sw button.act{background:var(--blu);color:#FFF}
.mn{flex:1;overflow-y:auto;padding:20px 28px}
.pg{display:none}.pg.act{display:block}
.pt{font-size:22px;font-weight:800;margin-bottom:3px}
.ps{font-size:13px;color:var(--mut);margin-bottom:16px}
.kr{display:grid;gap:10px;margin-bottom:14px}
.k4{grid-template-columns:repeat(4,1fr)}.k3{grid-template-columns:repeat(3,1fr)}.k2{grid-template-columns:1fr 1fr}
.kp{background:var(--card);border:1px solid var(--bdr);border-radius:10px;padding:14px}
.kp .kl{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--mut);margin-bottom:2px}
.kp .kv{font-size:24px;font-weight:800;line-height:1.1}
.kp .ks{font-size:11px;color:var(--mut);margin-top:2px}
.kp.g .kv{color:var(--grn)}.kp.r .kv{color:var(--red)}.kp.b .kv{color:var(--blu)}.kp.p .kv{color:var(--pur)}.kp.o .kv{color:var(--org)}
.cd{background:var(--card);border:1px solid var(--bdr);border-radius:10px;padding:16px;margin-bottom:10px}
.cd h3{font-size:13px;font-weight:700;margin-bottom:10px;text-transform:uppercase;letter-spacing:.02em}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.g21{display:grid;grid-template-columns:2fr 1fr;gap:10px}
.cb{position:relative;height:220px}
table{width:100%;border-collapse:collapse;font-size:12px}
th{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--mut);padding:7px 8px;text-align:right;border-bottom:2px solid var(--bdr)}
th:first-child{text-align:left}
td{padding:6px 8px;text-align:right;border-bottom:1px solid var(--bdr);font-variant-numeric:tabular-nums}
td:first-child{text-align:left;font-weight:600}
tr:hover{background:#F1F5F9}
.tR{background:#F0FDF4;font-weight:700}
.neg{color:var(--red)}.pos{color:var(--grn)}
.tg{display:inline-block;font-size:10px;font-weight:600;padding:2px 7px;border-radius:5px}
.tg-b{background:#DBEAFE;color:#1E40AF}.tg-y{background:#FEF9C3;color:#854D0E}.tg-p{background:#EDE9FE;color:#5B21B6}.tg-g{background:#DCFCE7;color:#166534}.tg-r{background:#FEE2E2;color:#9F1239}.tg-o{background:#FFF7ED;color:#C2410C}
.fi{width:100%;padding:8px 10px;border:1.5px solid var(--bdr);border-radius:7px;font-size:13px;font-family:Inter}
.fi:focus{outline:none;border-color:var(--blu)}
.fl{font-size:11px;font-weight:600;color:var(--mut);text-transform:uppercase;letter-spacing:.04em;display:block;margin-bottom:3px}
.btn{padding:10px 20px;border:none;border-radius:7px;font-size:14px;font-weight:700;cursor:pointer;transition:all .12s}
.btn:hover{transform:translateY(-1px)}
.btn-g{background:var(--grn);color:#FFF}.btn-b{background:var(--blu);color:#FFF}
.ch-b{flex:1;padding:8px;border:1.5px solid var(--bdr);background:var(--card);font-weight:600;font-size:12px;cursor:pointer;border-radius:7px;transition:all .1s}
.ch-b.act{border-color:var(--blu);background:#DBEAFE;color:#1E40AF}
.py-b{flex:1;padding:8px;border:1.5px solid var(--bdr);background:var(--card);font-weight:600;font-size:12px;cursor:pointer;border-radius:7px}
.py-b.cod{border-color:var(--org);background:#FFF7ED;color:#C2410C}
.py-b.xfer{border-color:var(--blu);background:#DBEAFE;color:#1E40AF}
.al{border-radius:8px;padding:10px 14px;margin-bottom:10px;font-size:12px;display:flex;gap:8px;align-items:flex-start}
.al-w{background:#FEF3C7;border:1px solid #FDE68A}
#msg{display:none;padding:10px;border-radius:7px;font-size:13px;font-weight:600;text-align:center;margin-top:8px}
.sk-res{margin-top:8px}
.sk-card{background:var(--card);border:1px solid var(--bdr);border-radius:8px;padding:12px;margin-bottom:8px}
.sk-sizes{display:flex;gap:8px;margin-top:6px}
.sk-sz{text-align:center;padding:4px 10px;border-radius:5px;background:var(--bg);font-size:12px;font-weight:600}
.sk-sz.zero{opacity:.3}

/* Sort arrows */
th{cursor:pointer;user-select:none;position:relative}
th::after{content:'';margin-left:4px;opacity:.3;font-size:10px}
th[data-sort="asc"]::after{content:'▲';opacity:1;color:var(--blu)}
th[data-sort="desc"]::after{content:'▼';opacity:1;color:var(--org)}
th:hover::after{content:'⇅';opacity:.5}
th[data-sort]:hover::after{content:attr(data-sort-icon);opacity:1}

/* Sticky headers */
thead th{position:sticky;top:0;background:var(--card);z-index:2;box-shadow:0 1px 0 var(--bdr)}

/* Success flash */
@keyframes flash{0%{background:#DCFCE7}100%{background:transparent}}
.flash-success{animation:flash .8s ease-out}
@keyframes successPulse{0%{transform:scale(0);opacity:0}50%{transform:scale(1.2);opacity:1}100%{transform:scale(1);opacity:1}}
.success-checkmark{display:inline-block;font-size:32px;animation:successPulse .5s ease-out}

/* Loading skeleton */
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:.8}}
.skeleton{background:linear-gradient(90deg,#E2E8F0 25%,#F1F5F9 50%,#E2E8F0 75%);background-size:200% 100%;animation:pulse 1.5s ease-in-out infinite;border-radius:6px;height:20px;margin:4px 0}

/* Customer profile card */
.cust-profile{background:var(--card);border:1px solid var(--bdr);border-radius:10px;padding:20px}
.cust-avatar-tag{display:inline-block;font-size:10px;font-weight:600;padding:2px 8px;border-radius:10px;background:#EDE9FE;color:#5B21B6;margin:2px}

/* Empty state */
.empty-state{text-align:center;padding:40px 20px;color:var(--mut)}
.empty-state .es-icon{font-size:40px;margin-bottom:8px;opacity:.5}
.empty-state .es-text{font-size:14px;font-weight:500}
.empty-state .es-sub{font-size:12px;margin-top:4px}

/* Customer popup overlay */
.cust-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:998;align-items:center;justify-content:center}
.cust-overlay.active{display:flex}
.cust-popup{background:var(--card);border-radius:12px;padding:24px;width:90%;max-width:560px;max-height:80vh;overflow-y:auto;position:relative}
.cust-popup .close-btn{position:absolute;top:12px;right:12px;border:none;background:none;font-size:20px;cursor:pointer;color:var(--mut);padding:4px 8px;border-radius:4px}
.cust-popup .close-btn:hover{background:var(--bg);color:var(--tx)}

/* Period selector */
.period-selector{display:flex;gap:4px;margin-bottom:12px;align-items:center;flex-wrap:wrap}
.period-btn{padding:5px 12px;border:1.5px solid var(--bdr);background:var(--card);font-weight:600;font-size:11px;cursor:pointer;border-radius:6px;transition:all .1s}
.period-btn.act{border-color:var(--blu);background:#DBEAFE;color:#1E40AF}
.period-btn:hover{border-color:var(--blu)}
.period-custom{display:none;gap:6px;align-items:center;margin-left:8px}
.period-custom.show{display:flex}
.period-custom input{padding:4px 8px;border:1.5px solid var(--bdr);border-radius:6px;font-size:12px;font-family:Inter}

/* Catalogue gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin-bottom:12px}
.gallery-card{background:var(--card);border:1px solid var(--bdr);border-radius:10px;overflow:hidden;cursor:pointer;transition:all .15s}
.gallery-card:hover{box-shadow:0 4px 12px rgba(0,0,0,.1);transform:translateY(-2px)}
.gallery-card img{width:100%;height:200px;object-fit:cover;background:var(--bg)}
.gallery-card .gc-info{padding:10px 12px}
.gallery-card .gc-sku{font-weight:700;font-size:13px}
.gallery-card .gc-name{font-size:11px;color:var(--mut);margin-top:2px}
.gallery-card .gc-price{font-weight:700;color:var(--grn);margin-top:4px}
.gallery-card .gc-tags{margin-top:6px;display:flex;flex-wrap:wrap;gap:3px}
.gallery-detail{display:none;background:var(--card);border:1px solid var(--bdr);border-radius:10px;padding:16px;margin-bottom:12px}
.gallery-detail.active{display:block}
.gallery-detail .gd-images{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:12px}
.gallery-detail .gd-images img{height:200px;border-radius:8px;object-fit:cover;flex-shrink:0}
.gallery-placeholder{width:100%;height:200px;background:linear-gradient(135deg,#E2E8F0 0%,#F1F5F9 50%,#E2E8F0 100%);display:flex;align-items:center;justify-content:center;font-size:32px;color:var(--mut)}

@media(max-width:768px){.sb{width:56px}.sb .logo span,.sb nav span:not(.ic),.sb .inf,.ns,.role-sw{display:none}.k4,.k3{grid-template-columns:1fr 1fr}.g2,.g21{grid-template-columns:1fr}.gallery-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}}