:root{--primary:#3b82f6;--primary-dark:#2563eb;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--dark:#0f172a;--darker:#0a1628;--card-bg:rgba(255,255,255,0.08);--text:#fff;--text-muted:rgba(255,255,255,0.6);--border:rgba(255,255,255,0.1)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:linear-gradient(135deg,var(--darker),var(--dark));min-height:100vh;color:var(--text);line-height:1.5}
.login-page{display:flex;align-items:center;justify-content:center;padding:20px}
.login-container{width:100%;max-width:400px;padding:40px 30px;background:var(--card-bg);border-radius:20px;backdrop-filter:blur(10px);border:1px solid var(--border)}
.login-logo{text-align:center;margin-bottom:30px}
.logo-icon{width:70px;height:70px;background:linear-gradient(135deg,var(--primary),var(--success));border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:35px;margin:0 auto 15px}
.login-logo h1{font-size:24px;font-weight:700;margin-bottom:5px}
.login-logo p{color:var(--text-muted);font-size:14px}
.login-form .form-group{margin-bottom:20px}
.login-form label{display:block;font-size:13px;font-weight:500;margin-bottom:8px;color:var(--text-muted)}
.login-form input{width:100%;padding:14px 16px;background:rgba(0,0,0,0.3);border:1px solid var(--border);border-radius:12px;color:var(--text);font-size:16px;transition:all 0.3s}
.login-form input:focus{outline:none;border-color:var(--primary);background:rgba(0,0,0,0.5)}
.login-form input::placeholder{color:rgba(255,255,255,0.3)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:none;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;transition:all 0.3s;text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(59,130,246,0.3)}
.btn-success{background:linear-gradient(135deg,var(--success),#059669);color:#fff}
.btn-danger{background:linear-gradient(135deg,var(--danger),#dc2626);color:#fff}
.btn-secondary{background:var(--card-bg);color:var(--text);border:1px solid var(--border)}
.btn-block{width:100%}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:8px}
.header{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;background:rgba(0,0,0,0.4);backdrop-filter:blur(10px);position:sticky;top:0;z-index:100}
.header-left{display:flex;align-items:center;gap:12px}
.header-left .logo{font-size:28px}
.header-left .title{font-size:18px;font-weight:700}
.header-right{display:flex;align-items:center;gap:15px}
.header-right .user{font-size:14px;color:var(--text-muted)}
.btn-logout{padding:8px 16px;background:rgba(239,68,68,0.2);color:#f87171;border-radius:8px;font-size:13px;font-weight:500;text-decoration:none}
.main-content{padding:20px;padding-bottom:100px;max-width:800px;margin:0 auto}
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}
.stat-card{background:var(--card-bg);border-radius:16px;padding:20px 15px;text-align:center;border:1px solid var(--border)}
.stat-number{font-size:32px;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--success));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:12px;color:var(--text-muted);margin-top:5px;text-transform:uppercase}
.printer-status{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--card-bg);border-radius:12px;margin-bottom:20px;border:1px solid var(--border)}
.status-dot{width:10px;height:10px;border-radius:50%;background:var(--danger)}
.status-dot.connected{background:var(--success);box-shadow:0 0 10px var(--success)}
.printer-status span{flex:1;font-size:14px}
.scanner-section{background:var(--card-bg);border-radius:20px;padding:20px;margin-bottom:20px;border:1px solid var(--border)}
.scanner-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}
.scanner-header h2{font-size:16px;font-weight:600}
.scanner-box{width:100%;height:250px;background:rgba(0,0,0,0.5);border-radius:16px;overflow:hidden;margin-bottom:15px;display:flex;align-items:center;justify-content:center;color:var(--text-muted)}
.scanner-box.active{border:2px solid var(--primary)}
.scanner-box video{width:100%;height:100%;object-fit:cover}
.manual-input{display:flex;gap:10px}
.manual-input input{flex:1;padding:14px 16px;background:rgba(0,0,0,0.3);border:1px solid var(--border);border-radius:12px;color:var(--text);font-size:16px}
.manual-input input:focus{outline:none;border-color:var(--primary)}
.scan-result{background:var(--card-bg);border-radius:20px;padding:20px;margin-bottom:20px;border:1px solid var(--success)}
.scan-result.hidden{display:none}
.scan-result h3{font-size:16px;margin-bottom:15px}
.result-details{background:rgba(0,0,0,0.3);border-radius:12px;padding:15px;margin-bottom:15px}
.detail-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border)}
.detail-row:last-child{border-bottom:none}
.detail-row .label{color:var(--text-muted);font-size:14px}
.detail-row .value{font-weight:600;font-size:14px}
.detail-row .value.ews-sn{color:var(--success);font-family:monospace;font-size:16px}
.result-actions{display:flex;gap:10px}
.result-actions .btn{flex:1}
.recent-section{background:var(--card-bg);border-radius:20px;padding:20px;border:1px solid var(--border)}
.recent-section h3{font-size:16px;margin-bottom:15px}
.recent-list{max-height:300px;overflow-y:auto}
.recent-item{display:flex;align-items:center;justify-content:space-between;padding:12px;background:rgba(0,0,0,0.2);border-radius:10px;margin-bottom:8px}
.recent-item .info{flex:1}
.recent-item .ews-sn{font-weight:600;font-family:monospace;color:var(--success)}
.recent-item .vendor-sn{font-size:12px;color:var(--text-muted);margin-top:2px}
.btn-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--card-bg);border:1px solid var(--border);color:var(--text);cursor:pointer}
.btn-icon:hover{background:var(--primary);border-color:var(--primary)}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:rgba(15,23,42,0.95);backdrop-filter:blur(10px);padding:10px 20px;padding-bottom:max(10px,env(safe-area-inset-bottom));border-top:1px solid var(--border)}
.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px;text-decoration:none;color:var(--text-muted)}
.nav-item.active{color:var(--primary)}
.nav-icon{font-size:24px}
.nav-item span:last-child{font-size:11px;font-weight:500}
.search-bar{display:flex;gap:10px;margin-bottom:20px}
.search-bar input{flex:1;padding:14px 16px;background:var(--card-bg);border:1px solid var(--border);border-radius:12px;color:var(--text);font-size:16px}
.search-bar input:focus{outline:none;border-color:var(--primary)}
.filter-tabs{display:flex;gap:8px;margin-bottom:20px;overflow-x:auto;padding-bottom:5px}
.filter-tab{padding:10px 18px;background:var(--card-bg);border:1px solid var(--border);border-radius:25px;font-size:13px;font-weight:500;color:var(--text-muted);cursor:pointer;white-space:nowrap;text-decoration:none}
.filter-tab.active{background:var(--primary);border-color:var(--primary);color:#fff}
.inventory-list{display:flex;flex-direction:column;gap:12px}
.inventory-item{background:var(--card-bg);border-radius:16px;padding:16px;border:1px solid var(--border);display:flex;align-items:center;gap:15px;cursor:pointer}
.inventory-item .icon{width:50px;height:50px;background:linear-gradient(135deg,var(--primary),var(--success));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px}
.inventory-item .details{flex:1}
.inventory-item .ews-sn{font-weight:700;font-family:monospace;color:var(--success);font-size:15px}
.inventory-item .vendor-sn{font-size:12px;color:var(--text-muted);margin-top:2px}
.inventory-item .model{font-size:13px;margin-top:4px}
.status-badge{padding:6px 12px;border-radius:20px;font-size:11px;font-weight:600;text-transform:uppercase}
.status-badge.in_stock{background:rgba(16,185,129,0.2);color:#34d399}
.status-badge.deployed{background:rgba(59,130,246,0.2);color:#60a5fa}
.status-badge.defective{background:rgba(239,68,68,0.2);color:#f87171}
.status-badge.returned{background:rgba(245,158,11,0.2);color:#fbbf24}
.alert{padding:14px 16px;border-radius:12px;margin-bottom:20px;font-size:14px}
.alert-error{background:rgba(239,68,68,0.2);color:#f87171;border:1px solid rgba(239,68,68,0.3)}
.alert-success{background:rgba(16,185,129,0.2);color:#34d399;border:1px solid rgba(16,185,129,0.3)}
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.8);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}
.modal-overlay.hidden{display:none}
.modal{background:var(--dark);border-radius:20px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto;border:1px solid var(--border)}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--border)}
.modal-header h3{font-size:18px}
.modal-close{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--card-bg);border:none;color:var(--text);cursor:pointer;font-size:20px}
.modal-body{padding:20px}
.modal-footer{display:flex;gap:10px;padding:20px;border-top:1px solid var(--border)}
.modal-footer .btn{flex:1}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:8px;color:var(--text-muted)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:14px 16px;background:rgba(0,0,0,0.3);border:1px solid var(--border);border-radius:12px;color:var(--text);font-size:16px}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}
.form-group textarea{min-height:100px;resize:vertical}
.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}
.empty-state .icon{font-size:60px;margin-bottom:15px;opacity:0.5}
.loading{display:flex;align-items:center;justify-content:center;padding:40px}
.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.footer-text{text-align:center;color:var(--text-muted);font-size:12px;margin-top:30px}