:root{--bg:#f3f5fb;--card:#fff;--card-alt:#f8faff;--border:#e4e7ec;--text:#101828;--sub-text:#667085;--muted:#98a2b3;--primary:#0091ff;--primary-dark:#0a2e52;--primary-soft:#e5f3ff;--success:#10b981;--success-soft:#e4f8f1;--warning:#f59e0b;--warning-soft:#fef3e2;--danger:#ef4444;--danger-soft:#fdebeb;--purple:#8b5cf6;--purple-soft:#f1ebfe;--sidebar-start:#0a2e52;--sidebar-end:#0a5fa8;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--shadow-sm:0 1px 2px #1018280f;--shadow-md:0 4px 12px #10182814;--shadow-lg:0 12px 32px #10182824;-webkit-font-smoothing:antialiased;font-family:Inter,Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}a{color:inherit}.app-shell{min-height:100vh;display:flex}.sidebar{background:linear-gradient(160deg, var(--sidebar-start), var(--sidebar-end) 120%);width:260px;box-shadow:var(--shadow-lg);z-index:50;flex-direction:column;gap:4px;padding:22px 16px;display:flex;position:fixed;top:0;bottom:0;left:0;overflow:hidden}.sidebar-nav{flex-direction:column;flex:1;gap:4px;min-height:0;display:flex;overflow-y:auto}.sidebar-brand{color:#fff;letter-spacing:.02em;align-items:center;gap:10px;padding:4px 10px 26px;font-size:14.5px;font-weight:800;display:flex}.sidebar-brand img{box-shadow:0 2px 8px #00000040}.sidebar a{color:#cbd5e1;border-radius:var(--radius-sm);cursor:pointer;padding:11px 14px;font-size:14px;font-weight:500;text-decoration:none;transition:background .15s,color .15s,transform .15s;display:block}.sidebar a:hover{color:#fff;background:#ffffff14}.sidebar a.active{color:#fff;background:#ffffff29;font-weight:700;box-shadow:inset 3px 0 #fff}.sidebar button{color:#cbd5e1;text-align:left;border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;padding:11px 14px;font-family:inherit;font-size:14px;transition:background .15s,color .15s}.sidebar button:hover{color:#fff;background:#ffffff14}.sidebar button.active{color:#fff;background:#ffffff2e;font-weight:700}.sidebar .logout{color:#fca5a5;border-top:1px solid #ffffff1f;border-radius:0;flex-shrink:0;margin-top:8px;padding-top:16px}.sidebar .logout:hover{color:#fff;border-radius:var(--radius-sm);background:#ef444440}.main-area{flex-direction:column;flex:1;min-width:0;margin-left:260px;display:flex}.header-bar{background:linear-gradient(110deg, var(--sidebar-start), var(--sidebar-end) 140%);height:76px;box-shadow:var(--shadow-md);z-index:40;justify-content:space-between;align-items:center;padding:16px 28px;display:flex;position:fixed;top:0;left:260px;right:0}.header-title-group{flex-direction:column;gap:3px;display:flex}.header-bar .title{color:#fff;letter-spacing:-.01em;font-size:16px;font-weight:800}.header-bar .subtitle{color:#ffffffc7;align-items:center;gap:8px;font-size:12.5px;font-weight:500;display:flex}.role-chip{color:#fff;letter-spacing:.02em;background:#ffffff29;border:1px solid #ffffff38;border-radius:999px;padding:2px 9px;font-size:10.5px;font-weight:700}.badge-btn{cursor:pointer;color:#fff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffff1f;border:1px solid #ffffff47;border-radius:999px;padding:9px 17px;font-size:13px;font-weight:600;transition:background .15s,border-color .15s,transform .1s;position:relative}.badge-btn:hover{background:#ffffff3d;border-color:#ffffff80}.badge-btn:active{transform:scale(.97)}.badge-count{background:var(--danger);color:#fff;box-shadow:0 0 0 2px var(--sidebar-start);border-radius:999px;padding:2px 6px;font-size:10px;font-weight:700;position:absolute;top:-7px;right:-7px}.workspace{flex:1;margin-top:76px;padding:28px 28px 56px}.section-header{color:var(--text);letter-spacing:-.01em;margin-bottom:18px;font-size:21px;font-weight:800}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:18px;padding:18px}table{border-collapse:collapse;background:var(--card);border-radius:var(--radius-md);width:100%;box-shadow:var(--shadow-sm);border:1px solid var(--border);overflow:hidden}th,td{text-align:left;border-bottom:1px solid var(--border);padding:12px 14px;font-size:13.5px}th{background:var(--card-alt);color:var(--sub-text);text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:700}tbody tr{transition:background .12s}tbody tr:hover{background:#fafbff}tbody tr:last-child td{border-bottom:none}tr.low-stock td{background:var(--danger-soft);color:#b91c1c}tr.low-stock:hover td{background:#fbdcdc}input,select,textarea{border-radius:var(--radius-sm);width:100%;color:var(--text);background:#fff;border:1.5px solid #d9dee7;padding:9px 12px;font-family:inherit;font-size:14px;transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);outline:none}input::placeholder{color:var(--muted)}button.btn{border-radius:var(--radius-sm);cursor:pointer;box-shadow:var(--shadow-sm);border:none;padding:10px 18px;font-family:inherit;font-size:13.5px;font-weight:700;transition:transform .1s,box-shadow .15s,opacity .15s,background .15s}button.btn:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}button.btn:active{transform:translateY(0)}button.btn-primary{background:var(--primary);color:#fff}button.btn-primary:hover{background:#007ce0}button.btn-success{background:var(--success);color:#fff}button.btn-success:hover{background:#0ea271}button.btn-danger{background:var(--danger);color:#fff}button.btn-danger:hover{background:#dc2f2f}button.btn-outline{box-shadow:none;background:#fff;border:1.5px solid #d9dee7}button.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}button:disabled{opacity:.55;cursor:not-allowed;box-shadow:none!important;transform:none!important}a.btn{text-decoration:none;display:inline-block}.form-grid{grid-template-columns:repeat(4,1fr);align-items:end;gap:14px;display:grid}.form-field label{color:var(--sub-text);margin-bottom:5px;font-size:12px;font-weight:600;display:block}.kpi-row{flex-wrap:wrap;gap:18px;margin-bottom:22px;display:flex}.kpi-card{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--border);border-left:4px solid var(--primary);min-width:210px;box-shadow:var(--shadow-sm);flex:1;padding:18px 20px;transition:transform .15s,box-shadow .15s}.kpi-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.kpi-card .kpi-title{color:var(--sub-text);font-size:12.5px;font-weight:600}.kpi-card .kpi-value{letter-spacing:-.01em;margin-top:8px;font-size:22px;font-weight:800}.charts-row{flex-wrap:wrap;gap:20px;display:flex}.chart-box{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--border);min-width:380px;box-shadow:var(--shadow-sm);flex:1;padding:20px}.chart-box h4{color:var(--text);margin:0 0 12px;font-size:14.5px;font-weight:700}.login-page{background:radial-gradient(circle at 15% 15%, #ffffff1a, transparent 40%), linear-gradient(150deg, var(--sidebar-start), var(--sidebar-end) 130%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{border-radius:var(--radius-lg);width:420px;box-shadow:var(--shadow-lg);background:#fff;padding:36px;animation:.35s rise-in}.login-tabs{border:1.5px solid var(--border);background:var(--card-alt);border-radius:999px;gap:4px;margin-bottom:22px;padding:4px;display:flex;overflow:hidden}.login-tabs button{cursor:pointer;color:var(--sub-text);background:0 0;border:none;border-radius:999px;flex:1;padding:9px;font-family:inherit;font-size:13px;font-weight:700;transition:background .15s,color .15s}.login-tabs button.active{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.field-group{margin-bottom:16px}.field-group label{color:var(--sub-text);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.error-text{color:var(--danger);margin-bottom:12px;font-size:13px;font-weight:500}@keyframes rise-in{0%{opacity:0;transform:translateY(12px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.modal-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:100;background:#0f172a8c;justify-content:center;align-items:center;animation:.15s fade-in;display:flex;position:fixed;inset:0}.modal-box{border-radius:var(--radius-lg);width:640px;max-height:85vh;box-shadow:var(--shadow-lg);background:#fff;padding:30px;animation:.2s rise-in;overflow:auto}.modal-actions{justify-content:flex-end;gap:10px;margin-top:22px;display:flex}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.popover-box{flex-direction:column;gap:10px;display:flex}.chat-layout{border-top:1px solid var(--border);height:480px;display:flex}.chat-contacts{border-right:1px solid var(--border);background:var(--card-alt);width:220px;overflow-y:auto}.chat-contact-item{cursor:pointer;align-items:center;gap:9px;padding:12px 14px;font-size:13.5px;font-weight:500;transition:background .12s;display:flex}.chat-contact-item:hover{background:#eef2ff}.chat-contact-item.selected{background:var(--primary-soft);color:var(--primary-dark);font-weight:700}.online-dot{background:var(--success);width:9px;height:9px;box-shadow:0 0 0 2px var(--success-soft);border-radius:50%;display:inline-block}.offline-dot{background:#cbd5e1;border-radius:50%;width:9px;height:9px;display:inline-block}.chat-messages{background:#fcfcff;flex-direction:column;flex:1;gap:10px;padding:16px;display:flex;overflow-y:auto}.chat-bubble{max-width:70%;box-shadow:var(--shadow-sm);border-radius:16px;padding:10px 14px;font-size:13.5px}.chat-bubble.mine{background:var(--primary);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.chat-bubble.theirs{border:1px solid var(--border);background:#fff;border-bottom-left-radius:4px;align-self:flex-start}.chat-input-row{border-top:1px solid var(--border);background:#fff;gap:10px;padding:14px;display:flex}.notif-item{border-bottom:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;font-size:13.5px;transition:background .12s}.notif-item:hover{background:var(--card-alt)}.footer-status{z-index:40;color:var(--sub-text);border-top:1px solid var(--border);background:#fff;padding:10px 28px;font-size:12px;font-weight:600;position:fixed;bottom:0;left:260px;right:0;box-shadow:0 -2px 8px #1018280f}.status-online{color:var(--success);font-weight:700}.status-offline{color:var(--danger);font-weight:700}