:root{--primary: #2563eb;--primary-dark: #1d4ed8;--success: #16a34a;--warning: #d97706;--danger: #dc2626;--info: #0ea5e9;--bg: #f8fafc;--card: #ffffff;--text: #1e293b;--text-light: #64748b;--border: #e2e8f0;--radius: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.navbar{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 8px #00000026;position:sticky;top:0;z-index:100}.navbar-brand{font-size:1.25rem;font-weight:700;letter-spacing:-.5px}.navbar-links{display:flex;gap:8px;align-items:center}.navbar-links a,.navbar-links button{color:#fff;text-decoration:none;padding:8px 16px;border-radius:8px;font-size:.875rem;font-weight:500;transition:background .2s;border:none;cursor:pointer;background:transparent}.navbar-links a:hover,.navbar-links button:hover{background:#ffffff26}.navbar-links a.active{background:#fff3}.container{max-width:960px;margin:0 auto;padding:24px 16px}.card{background:var(--card);border-radius:var(--radius);padding:24px;box-shadow:0 1px 3px #00000014;border:1px solid var(--border);margin-bottom:16px}.card-header{font-size:1.25rem;font-weight:700;margin-bottom:16px;color:var(--text)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.875rem;font-weight:600;margin-bottom:6px;color:var(--text)}.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:.9rem;transition:border-color .2s,box-shadow .2s;background:#fff}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.btn{padding:10px 20px;border:none;border-radius:8px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:8px}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 12px #2563eb4d}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#15803d}.btn-danger{background:var(--danger);color:#fff}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-outline:hover{background:var(--bg)}.btn-sm{padding:6px 12px;font-size:.8rem}.btn:disabled{opacity:.6;cursor:not-allowed}.badge{padding:4px 10px;border-radius:999px;font-size:.75rem;font-weight:600;display:inline-block}.badge-pending{background:#fef3c7;color:#92400e}.badge-approved{background:#dcfce7;color:#166534}.badge-rejected{background:#fee2e2;color:#991b1b}.badge-returned{background:#dbeafe;color:#1e40af}.badge-good{background:#dcfce7;color:#166534}.badge-damaged_light{background:#fef3c7;color:#92400e}.badge-damaged_heavy{background:#fee2e2;color:#991b1b}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse}table th{background:var(--bg);padding:12px 16px;text-align:left;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-light);border-bottom:2px solid var(--border)}table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:.9rem}table tr:hover{background:#f1f5f9}.login-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#2563eb,#3b82f6)}.login-card{background:#fff;border-radius:16px;padding:40px;width:100%;max-width:420px;box-shadow:0 20px 60px #0000004d}.login-title{font-size:1.5rem;font-weight:800;text-align:center;margin-bottom:8px;background:linear-gradient(135deg,var(--primary),#7c3aed);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.login-subtitle{text-align:center;color:var(--text-light);margin-bottom:32px;font-size:.9rem}.scanner-wrapper{border-radius:var(--radius);overflow:hidden;margin-bottom:16px;border:2px dashed var(--border)}.scanner-wrapper video{width:100%!important;border-radius:var(--radius)}.item-preview{background:linear-gradient(135deg,#eff6ff,#f0fdf4);border-radius:var(--radius);padding:20px;border:1px solid #bfdbfe;margin-bottom:16px}.item-preview h3{font-size:1.1rem;margin-bottom:12px;color:var(--primary-dark)}.item-detail{display:grid;grid-template-columns:1fr 1fr;gap:8px}.item-detail span{font-size:.85rem}.item-detail .label{color:var(--text-light);font-weight:500}.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:.9rem}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}.alert-info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:#fff;border-radius:var(--radius);padding:20px;border:1px solid var(--border);text-align:center}.stat-card .stat-value{font-size:2rem;font-weight:800;color:var(--primary)}.stat-card .stat-label{font-size:.85rem;color:var(--text-light);margin-top:4px}@media(max-width:640px){.navbar{padding:0 12px}.navbar-links a,.navbar-links button{padding:6px 10px;font-size:.8rem}.container{padding:16px 12px}.item-detail{grid-template-columns:1fr}}.welcome-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e3a5f 30%,#1a365d 50%,#2d1b69 80%,#1e1b4b);position:relative;overflow:hidden;padding:24px}.welcome-particles{position:absolute;inset:0;pointer-events:none}.welcome-particle{position:absolute;border-radius:50%;opacity:.08;animation:welcomeFloat 20s infinite ease-in-out}.welcome-particle-1{width:400px;height:400px;background:#60a5fa;top:-100px;right:-100px;animation-duration:25s}.welcome-particle-2{width:300px;height:300px;background:#a78bfa;bottom:-80px;left:-80px;animation-duration:20s;animation-delay:-5s}.welcome-particle-3{width:200px;height:200px;background:#34d399;top:40%;left:15%;animation-duration:18s;animation-delay:-10s}.welcome-particle-4{width:250px;height:250px;background:#f472b6;bottom:20%;right:10%;animation-duration:22s;animation-delay:-3s}.welcome-particle-5{width:150px;height:150px;background:#fbbf24;top:20%;left:50%;animation-duration:16s;animation-delay:-8s}.welcome-particle-6{width:180px;height:180px;background:#38bdf8;bottom:40%;right:30%;animation-duration:19s;animation-delay:-12s}@keyframes welcomeFloat{0%,to{transform:translate(0) scale(1)}25%{transform:translate(30px,-40px) scale(1.05)}50%{transform:translate(-20px,20px) scale(.95)}75%{transform:translate(15px,35px) scale(1.02)}}.welcome-container{position:relative;z-index:10;text-align:center;max-width:520px;width:100%;background:#ffffff12;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-radius:24px;border:1px solid rgba(255,255,255,.12);padding:48px 40px;box-shadow:0 32px 64px #0000004d,0 0 0 1px #ffffff0d inset;opacity:0;transform:translateY(30px) scale(.97);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}.welcome-container.welcome-visible{opacity:1;transform:translateY(0) scale(1)}.welcome-icon-wrapper{display:inline-flex;align-items:center;justify-content:center;width:88px;height:88px;border-radius:22px;background:linear-gradient(135deg,#60a5fa40,#a78bfa40);border:1px solid rgba(255,255,255,.15);margin-bottom:28px;box-shadow:0 8px 32px #60a5fa26}.welcome-icon{width:56px;height:56px;object-fit:contain;border-radius:8px}.welcome-title{font-size:2rem;font-weight:800;color:#fff;margin-bottom:4px;letter-spacing:-.5px;line-height:1.2}.welcome-subtitle{font-size:1.35rem;font-weight:700;background:linear-gradient(135deg,#60a5fa,#a78bfa,#f0abfc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:6px;letter-spacing:-.3px}.welcome-school{font-size:1.05rem;font-weight:600;color:#ffffffb3;margin-bottom:16px;letter-spacing:.5px}.welcome-desc{font-size:.9rem;color:#ffffff8c;line-height:1.7;max-width:380px;margin:0 auto 24px}.welcome-divider{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:28px}.welcome-divider-dot{width:4px;height:4px;border-radius:50%;background:#ffffff4d}.welcome-divider-line{width:48px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent)}.welcome-actions{display:flex;flex-direction:column;gap:12px}.welcome-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 24px;border-radius:14px;font-size:.95rem;font-weight:600;text-decoration:none;cursor:pointer;transition:all .3s cubic-bezier(.16,1,.3,1);border:none;letter-spacing:.2px}.welcome-btn-primary{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;box-shadow:0 4px 16px #2563eb59,0 0 0 1px #ffffff1a inset}.welcome-btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px #2563eb73,0 0 0 1px #ffffff26 inset;background:linear-gradient(135deg,#60a5fa,#3b82f6)}.welcome-btn-secondary{background:#ffffff14;color:#ffffffe6;border:1px solid rgba(255,255,255,.15);box-shadow:0 2px 8px #0000001a}.welcome-btn-secondary:hover{transform:translateY(-2px);background:#ffffff24;border-color:#ffffff40;box-shadow:0 8px 24px #0003}.welcome-footer{margin-top:32px;font-size:.75rem;color:#ffffff4d;letter-spacing:.3px}@media(max-width:480px){.welcome-container{padding:36px 24px;border-radius:20px}.welcome-title{font-size:1.6rem}.welcome-subtitle{font-size:1.15rem}.welcome-school{font-size:.95rem}.welcome-icon-wrapper{width:72px;height:72px;border-radius:18px;margin-bottom:20px}.welcome-icon{width:40px;height:40px}}@media(min-width:481px){.welcome-actions{flex-direction:row;justify-content:center}}