/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,sans-serif;background:#f0f4f8;color:#1a2332;min-height:100vh;font-size:14px;-webkit-font-smoothing:antialiased}

/* ── Login ────────────────────────────────────────────────────────────────── */
.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0d3b6e 0%,#1a6ba0 50%,#2896d4 100%)}
.login-card{background:#fff;border-radius:16px;padding:40px;width:100%;max-width:380px;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:32px}
.login-brand-name{font-size:18px;font-weight:600;color:#0d3b6e}
.login-brand-sub{font-size:12px;color:#8a9bb0;margin-top:2px}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:11px;font-weight:500;color:#6b7280;text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.form-input{width:100%;padding:10px 13px;border:1.5px solid #e0e8f0;border-radius:8px;font-size:14px;color:#1a2332;outline:none;transition:all .2s;background:#f8fafc}
.form-input:focus{border-color:#2896d4;background:#fff;box-shadow:0 0 0 3px rgba(40,150,212,.1)}
.login-btn{width:100%;padding:12px;background:#0d3b6e;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s;margin-top:8px}
.login-btn:hover{background:#1a6ba0}
.login-error{color:#dc2626;font-size:13px;margin-top:10px;display:none;background:#fef2f2;padding:9px 12px;border-radius:7px;border:1px solid #fecaca}

/* ── Header ───────────────────────────────────────────────────────────────── */
.header{background:#0d3b6e;height:54px;padding:0 20px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:200}
.logo-area{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-right:8px}
.logo-text{color:#fff;font-size:14px;font-weight:600;line-height:1.15}
.logo-text span{color:#5ec4f0;font-size:11px;font-weight:400;display:block}
.header-search-wrap{flex:1;max-width:480px;position:relative}
.header-search{position:relative}
.header-search input{width:100%;padding:7px 12px 7px 34px;border-radius:7px;border:none;background:rgba(255,255,255,.13);color:#fff;font-size:13px;outline:none;transition:background .2s}
.header-search input::placeholder{color:rgba(255,255,255,.45)}
.header-search input:focus{background:rgba(255,255,255,.2)}
.h-search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:14px;height:14px;opacity:.55;pointer-events:none}
.h-autocomplete{position:absolute;top:calc(100%+6px);left:0;right:0;background:#fff;border:1px solid #e0e8f0;border-radius:8px;overflow:hidden;z-index:300;box-shadow:0 8px 32px rgba(0,0,0,.15);display:none}
.h-ac-item{padding:9px 14px;cursor:pointer;font-size:13px;border-bottom:1px solid #f5f8fb;transition:background .1s;display:flex;align-items:center;justify-content:space-between}
.h-ac-item:last-child{border-bottom:none}
.h-ac-item:hover{background:#f0f7fd}
.h-ac-brand{font-size:11px;color:#8a9bb0;background:#f0f4f8;padding:1px 7px;border-radius:10px}
.header-right{display:flex;align-items:center;gap:6px;margin-left:auto;flex-shrink:0}
.h-nav-item{padding:5px 12px;border-radius:6px;color:rgba(255,255,255,.65);font-size:13px;cursor:pointer;transition:all .15s;font-weight:400}
.h-nav-item:hover,.h-nav-item.active{background:rgba(255,255,255,.15);color:#fff}
.quote-btn{display:flex;align-items:center;gap:6px;padding:5px 12px;border-radius:6px;background:rgba(255,255,255,.13);color:rgba(255,255,255,.9);font-size:13px;cursor:pointer;transition:all .15s;border:1px solid rgba(255,255,255,.15)}
.quote-btn:hover{background:rgba(255,255,255,.2)}
.quote-badge{background:#ef4444;color:#fff;font-size:10px;padding:1px 6px;border-radius:10px;font-weight:500;min-width:18px;text-align:center}
.quote-badge.has-items{background:#ef4444}
.h-user{display:flex;align-items:center;gap:7px;color:rgba(255,255,255,.8);font-size:13px}
.h-avatar{width:26px;height:26px;border-radius:6px;background:#2896d4;color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600}
.h-logout{background:none;border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.6);font-size:12px;padding:4px 10px;border-radius:5px;cursor:pointer;transition:all .15s}
.h-logout:hover{border-color:rgba(255,255,255,.5);color:#fff}

/* ── Admin Bar ────────────────────────────────────────────────────────────── */
.admin-bar{background:#fffbeb;border-bottom:1px solid #fde68a;padding:7px 20px;display:flex;align-items:center;gap:10px;font-size:12px;color:#92400e}
.admin-bar strong{color:#78350f}
.admin-toggle-wrap{display:flex;align-items:center;gap:8px;margin-left:auto}
.admin-toggle-label{font-size:12px;color:#78350f;font-weight:500}
.toggle-switch{width:36px;height:20px;border-radius:20px;cursor:pointer;position:relative;transition:background .2s;flex-shrink:0}
.toggle-switch.on{background:#16a34a}
.toggle-switch.off{background:#d1d5db}
.toggle-thumb{width:16px;height:16px;border-radius:50%;background:#fff;position:absolute;top:2px;transition:left .2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.toggle-switch.on .toggle-thumb{left:18px}
.toggle-switch.off .toggle-thumb{left:2px}

/* ── Layout ───────────────────────────────────────────────────────────────── */
.view-content{min-height:calc(100vh - 54px)}
.catalog-body{display:flex;min-height:calc(100vh - 54px)}
.sidebar{width:216px;flex-shrink:0;background:#fff;border-right:1px solid #e8eef5;overflow-y:auto}
.catalog-main{flex:1;padding:16px 20px;min-width:0}
.quote-panel{width:264px;flex-shrink:0;background:#fff;border-left:1px solid #e8eef5;display:flex;flex-direction:column;max-height:calc(100vh - 54px);overflow-y:auto;position:sticky;top:54px}

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar-section{padding:12px 12px 10px;border-bottom:1px solid #f0f4f8}
.sidebar-label{font-size:10px;font-weight:500;color:#9ca3af;text-transform:uppercase;letter-spacing:.8px;margin-bottom:7px}
.filter-group{display:flex;flex-direction:column;gap:1px}
.filter-option{display:flex;align-items:center;justify-content:space-between;padding:5px 8px;border-radius:6px;cursor:pointer;font-size:12.5px;color:#4a5568;transition:all .1s;user-select:none}
.filter-option:hover{background:#f0f7fd;color:#1a6ba0}
.filter-option.active{background:#e8f4fc;color:#0d3b6e;font-weight:500}
.filter-option-left{display:flex;align-items:center;gap:7px}
.filter-check-box{width:14px;height:14px;border-radius:3px;border:1.5px solid #c5d2e0;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .1s;font-size:9px;color:#fff}
.filter-option.active .filter-check-box{background:#1a6ba0;border-color:#1a6ba0}
.filter-option.active .filter-check-box::after{content:'✓'}
.filter-badge{font-size:10px;color:#9ca3af;background:#f3f4f6;padding:1px 6px;border-radius:10px}
.filter-option.active .filter-badge{background:#c8e4f5;color:#1a6ba0}

/* ── Catalog topbar ───────────────────────────────────────────────────────── */
.catalog-topbar{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.results-info{font-size:13px;color:#6b7280;flex:1}
.results-info strong{color:#1a2332}
.topbar-right{display:flex;align-items:center;gap:8px}
.sort-select{padding:6px 10px;border:1px solid #e0e8f0;border-radius:6px;font-size:12px;color:#4a5568;background:#fff;cursor:pointer;outline:none}
.sort-select:focus{border-color:#2896d4}

/* ── Product Cards ────────────────────────────────────────────────────────── */
.product-card{background:#fff;border:1px solid #e8eef5;border-radius:10px;margin-bottom:8px;overflow:hidden;transition:box-shadow .15s}
.product-card:hover{box-shadow:0 2px 12px rgba(26,107,160,.08)}
.product-card.open{border-color:#b8d9ef}
.p-header{padding:12px 16px;display:flex;align-items:center;gap:12px;cursor:pointer;user-select:none}
.p-icon{width:36px;height:36px;border-radius:8px;background:#e8f4fc;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px}
.p-icon.glassware{background:#f0fdf4}
.p-icon.plasticware{background:#fef3c7}
.p-icon.equipment{background:#f5f3ff}
.p-icon.microbiology{background:#fdf4ff}
.p-main{flex:1;min-width:0}
.p-name{font-size:14px;font-weight:500;color:#1a2332;margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.p-tags{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.p-cas{font-size:11px;color:#9ca3af;font-family:monospace;background:#f5f8fb;padding:2px 7px;border-radius:4px}
.p-formula{font-size:11px;color:#9ca3af}
.grade-pill{font-size:11px;padding:2px 9px;border-radius:20px;font-weight:500}
.grade-Analytical{background:#dbeafe;color:#1d4ed8}
.grade-General{background:#f3f4f6;color:#374151}
.grade-HPLC{background:#ede9fe;color:#5b21b6}
.grade-Biotech{background:#d1fae5;color:#065f46}
.grade-Pharma{background:#fef3c7;color:#92400e}
.grade-Synthesis{background:#fce7f3;color:#9d174d}
.grade-Special{background:#e0f2fe;color:#075985}
.grade-Ultra\ Pure{background:#fee2e2;color:#991b1b}
.p-right{display:flex;align-items:center;gap:18px;flex-shrink:0}
.p-stat{text-align:center}
.p-stat .p-num{font-size:17px;font-weight:500;color:#0d3b6e;line-height:1}
.p-stat .p-lbl{font-size:10px;color:#9ca3af;margin-top:2px}
.p-price{text-align:right}
.p-price .p-from{font-size:10px;color:#9ca3af}
.p-price .p-val{font-size:16px;font-weight:500;color:#1a6ba0}
.p-price .p-val.hidden-price{font-size:12px;color:#b0bec8;font-style:italic;font-weight:400}
.p-chevron{width:18px;height:18px;color:#c5d2e0;transition:transform .2s;flex-shrink:0}
.product-card.open .p-chevron{transform:rotate(180deg);color:#1a6ba0}

/* ── Product Body (expanded) ──────────────────────────────────────────────── */
.p-body{display:none;border-top:1px solid #f0f4f8}
.product-card.open .p-body{display:block}

.pack-filter-bar{display:flex;gap:6px;padding:9px 16px;background:#fafcff;border-bottom:1px solid #f0f4f8;flex-wrap:wrap;align-items:center}
.pack-filter-label{font-size:11px;color:#9ca3af;margin-right:2px}
.pack-btn{padding:4px 12px;border-radius:20px;font-size:12px;cursor:pointer;border:1px solid #e0e8f0;background:#fff;color:#6b7280;transition:all .1s}
.pack-btn:hover{border-color:#2896d4;color:#1a6ba0}
.pack-btn.active{background:#0d3b6e;border-color:#0d3b6e;color:#fff}

.brands-table{width:100%}
.brands-table-header{display:grid;padding:7px 16px;background:#f8fafc;font-size:10px;font-weight:500;color:#9ca3af;text-transform:uppercase;letter-spacing:.6px;border-bottom:1px solid #f0f4f8}
.brands-table-header.chem{grid-template-columns:1.8fr .7fr 1fr .5fr .7fr .6fr}
.brands-table-header.other{grid-template-columns:1.8fr 1fr 1fr .7fr .6fr}
.brand-row{display:grid;padding:10px 16px;border-bottom:1px solid #f5f8fb;align-items:center;transition:background .1s}
.brand-row.chem{grid-template-columns:1.8fr .7fr 1fr .5fr .7fr .6fr}
.brand-row.other{grid-template-columns:1.8fr 1fr 1fr .7fr .6fr}
.brand-row:last-child{border-bottom:none}
.brand-row:hover{background:#f7fbff}
.b-name{font-size:13px;font-weight:500;color:#1a2332}
.b-sub{font-size:11px;color:#9ca3af;margin-top:1px}
.b-pack{font-size:13px;color:#4a5568}
.b-code{font-size:11px;font-family:monospace;color:#9ca3af;background:#f5f8fb;padding:2px 6px;border-radius:4px;display:inline-block}
.b-avail{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:#065f46;background:#d1fae5;padding:2px 8px;border-radius:20px}
.b-dot{width:5px;height:5px;border-radius:50%;background:#10b981;flex-shrink:0}
.b-price-wrap{display:flex;align-items:center;justify-content:flex-end;gap:5px}
.b-price{font-size:14px;font-weight:500;color:#1a6ba0}
.b-price.hidden-price{font-size:12px;color:#b0bec8;font-style:italic;font-weight:400}
.b-lowest{font-size:10px;color:#065f46;background:#d1fae5;padding:1px 6px;border-radius:10px}
.b-actions{display:flex;justify-content:flex-end}
.btn-add-quote{padding:5px 11px;border-radius:6px;font-size:11px;font-weight:500;cursor:pointer;border:1.5px solid #1a6ba0;color:#1a6ba0;background:#fff;transition:all .15s;white-space:nowrap}
.btn-add-quote:hover{background:#1a6ba0;color:#fff}
.btn-add-quote.added{background:#059669;border-color:#059669;color:#fff;cursor:default}

/* ── Quote Panel ──────────────────────────────────────────────────────────── */
.qp-header{padding:13px 16px;border-bottom:1px solid #f0f4f8;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.qp-title{font-size:13px;font-weight:500;color:#1a2332}
.qp-clear{background:none;border:none;color:#9ca3af;font-size:12px;cursor:pointer;transition:color .15s}
.qp-clear:hover{color:#dc2626}
.qp-items{flex:1;overflow-y:auto}
.qp-empty{padding:40px 16px;text-align:center;color:#b0bec8;font-size:13px;line-height:1.6}
.qp-item{padding:10px 16px;border-bottom:1px solid #f5f8fb;position:relative}
.qp-item:last-child{border-bottom:none}
.qp-item-name{font-size:13px;font-weight:500;color:#1a2332;margin-bottom:2px;padding-right:20px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qp-item-meta{font-size:11px;color:#9ca3af;margin-bottom:3px}
.qp-item-price{font-size:13px;font-weight:500;color:#1a6ba0}
.qp-item-remove{position:absolute;top:10px;right:12px;background:none;border:none;color:#c5d2e0;cursor:pointer;font-size:14px;line-height:1;transition:color .15s}
.qp-item-remove:hover{color:#dc2626}
.qp-footer{padding:14px 16px;border-top:1px solid #f0f4f8;flex-shrink:0}
.qp-total{font-size:12px;color:#6b7280;margin-bottom:10px}
.qp-total strong{color:#1a2332;font-size:14px}
.btn-send-quote{width:100%;padding:10px;background:#0d3b6e;color:#fff;border:none;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;transition:background .2s}
.btn-send-quote:hover{background:#1a6ba0}

/* ── Pagination ───────────────────────────────────────────────────────────── */
.pagination{display:flex;gap:5px;justify-content:center;margin-top:20px;flex-wrap:wrap;align-items:center}
.pg-btn{padding:5px 12px;border:1px solid #e0e8f0;border-radius:6px;background:#fff;color:#6b7280;font-size:13px;cursor:pointer;transition:all .15s}
.pg-btn:hover{border-color:#2896d4;color:#1a6ba0}
.pg-btn.active{background:#0d3b6e;color:#fff;border-color:#0d3b6e;font-weight:500}
.pg-btn:disabled{opacity:.4;cursor:not-allowed}
.pg-info{font-size:13px;color:#9ca3af;padding:0 6px}

/* ── Empty / Loading ──────────────────────────────────────────────────────── */
.loading-state{text-align:center;padding:60px 20px;color:#9ca3af;font-size:13px}
.spinner{width:32px;height:32px;border:3px solid #e8eef5;border-top-color:#2896d4;border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 14px}
@keyframes spin{to{transform:rotate(360deg)}}
.empty-state{text-align:center;padding:60px 20px;color:#9ca3af}
.empty-icon{font-size:40px;margin-bottom:14px;opacity:.3}
.empty-title{font-size:16px;font-weight:500;color:#6b7280;margin-bottom:6px}
.empty-sub{font-size:13px}

/* ── Dashboard ────────────────────────────────────────────────────────────── */
.dashboard-body{padding:24px}
.dash-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:28px}
.stat-card{background:#fff;border:1px solid #e8eef5;border-radius:10px;padding:18px 20px;position:relative;overflow:hidden}
.stat-card::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:10px 10px 0 0}
.stat-card.blue::after{background:#2896d4}
.stat-card.green::after{background:#059669}
.stat-card.amber::after{background:#d97706}
.stat-card.purple::after{background:#7c3aed}
.stat-card.red::after{background:#dc2626}
.stat-num{font-size:28px;font-weight:600;color:#0d3b6e;line-height:1;margin-bottom:4px}
.stat-label{font-size:12px;color:#9ca3af;font-weight:400}
.section-title{font-size:14px;font-weight:500;color:#1a2332;margin-bottom:14px}
.brands-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-bottom:28px}
.brand-card{background:#fff;border:1px solid #e8eef5;border-radius:8px;padding:14px;cursor:pointer;transition:all .2s;text-align:center}
.brand-card:hover{border-color:#2896d4;transform:translateY(-1px);box-shadow:0 4px 12px rgba(26,107,160,.1)}
.brand-card-name{font-size:12.5px;font-weight:500;color:#1a2332;margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-card-count{font-size:11px;color:#9ca3af}
.cats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.cat-card{background:#fff;border:1px solid #e8eef5;border-radius:10px;padding:18px;cursor:pointer;transition:all .2s}
.cat-card:hover{border-color:#1a6ba0;transform:translateY(-2px);box-shadow:0 6px 20px rgba(26,107,160,.1)}
.cat-card-icon{font-size:28px;margin-bottom:10px}
.cat-card-name{font-size:15px;font-weight:500;color:#1a2332;margin-bottom:4px}
.cat-card-count{font-size:12px;color:#9ca3af;margin-bottom:10px}
.cat-card-brands{display:flex;flex-wrap:wrap;gap:4px}
.cat-brand-tag{font-size:10px;background:#f0f4f8;color:#6b7280;padding:2px 7px;border-radius:10px}

/* ── Modal ────────────────────────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:rgba(13,59,110,.4);z-index:400;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(2px)}
.modal-overlay.open{display:flex}
.modal{background:#fff;border-radius:14px;width:100%;max-width:680px;max-height:88vh;overflow-y:auto;animation:slideUp .2s ease;box-shadow:0 20px 60px rgba(0,0,0,.2)}
@keyframes slideUp{from{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal-header{padding:16px 20px;border-bottom:1px solid #f0f4f8;display:flex;align-items:flex-start;justify-content:space-between;background:#f8fafc;border-radius:14px 14px 0 0;gap:12px}
.modal-title{font-size:15px;font-weight:500;color:#1a2332}
.modal-subtitle{font-size:12px;color:#9ca3af;margin-top:3px}
.modal-close{background:#fff;border:1px solid #e0e8f0;color:#9ca3af;width:28px;height:28px;border-radius:6px;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}
.modal-close:hover{background:#fee2e2;color:#dc2626;border-color:#fecaca}
.modal-body{padding:18px 20px}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media(max-width:900px){
  .sidebar{display:none}
  .quote-panel{display:none!important}
  .catalog-main{padding:12px}
}
@media(max-width:600px){
  .header{padding:0 12px}
  .logo-text span{display:none}
  .h-user{display:none}
  .brands-table-header,.brand-row{grid-template-columns:1.5fr .6fr .8fr .6fr!important}
  .brands-table-header .col-stock,.brand-row .col-stock{display:none}
}