:root{--primary: #2563eb;--primary-dark: #1d4ed8;--danger: #dc2626;--danger-dark: #b91c1c;--success: #16a34a;--bg: #f8fafc;--card: #ffffff;--text: #1e293b;--text-light: #64748b;--border: #e2e8f0;--shadow: 0 1px 3px rgba(0,0,0,.1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.app{max-width:1100px;margin:0 auto;padding:20px}.header{background:var(--card);border-radius:12px;padding:20px 24px;margin-bottom:20px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.header h1{font-size:1.5rem;font-weight:700;color:var(--primary)}.nav{display:flex;gap:8px;flex-wrap:wrap}.nav button{padding:8px 16px;border:none;border-radius:8px;background:var(--bg);color:var(--text-light);font-weight:500;cursor:pointer;transition:all .15s;min-height:44px}.nav button:hover{background:var(--border);color:var(--text)}.nav button.active{background:var(--primary);color:#fff}.btn-logout{background:var(--bg);color:var(--danger);border:1px solid var(--border)}.btn-logout:hover{background:#fee2e2}.main{animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.card{background:var(--card);border-radius:12px;padding:24px;box-shadow:var(--shadow)}.card h2{font-size:1.25rem;margin-bottom:16px;font-weight:600}.card h3{font-size:1rem;margin:20px 0 12px;font-weight:600;color:var(--text-light)}.form-row{display:flex;gap:10px;margin-bottom:16px;align-items:center;flex-wrap:wrap}.form-row label{font-weight:500;font-size:.875rem;color:var(--text-light)}input,select{padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:.9375rem;background:var(--card);color:var(--text);min-width:120px;flex:1;min-height:44px}input:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}button{cursor:pointer;font-size:.9375rem;font-weight:500;transition:all .15s;border:none;border-radius:8px}.btn-primary{padding:8px 16px;background:var(--primary);color:#fff;min-height:44px}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{padding:8px 16px;border:1px solid var(--border);background:var(--bg);color:var(--text);min-height:44px}.btn-secondary:hover{background:var(--border)}.btn-small{padding:4px 10px;border:none;border-radius:6px;background:var(--bg);color:var(--text);font-size:.8125rem;margin-right:4px;min-height:32px}.btn-small:hover{background:var(--border)}.btn-danger{color:var(--danger)}.btn-danger:hover{background:#fee2e2}.table-container{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:16px}.table{width:100%;border-collapse:collapse;font-size:.9375rem}.table th{text-align:left;padding:10px 8px;border-bottom:2px solid var(--border);font-weight:600;color:var(--text-light);font-size:.8125rem;text-transform:uppercase;letter-spacing:.02em;white-space:nowrap}.table td{padding:10px 8px;border-bottom:1px solid var(--border);white-space:nowrap}.table tr:hover td{background:var(--bg)}.total-row{background:#eff6ff}.total-row td{border-top:2px solid var(--primary);font-size:1rem;color:var(--primary)}.grand-total{background:linear-gradient(90deg,#eff6ff,#e0f2fe);border-radius:10px;padding:16px 20px;margin-bottom:20px;font-size:1.1rem;font-weight:600;display:flex;justify-content:space-between;align-items:center}.grand-total span{font-size:1.3rem;color:var(--primary)}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:.9375rem;cursor:pointer;white-space:nowrap}.checkbox-label input[type=checkbox]{width:20px;height:20px;min-height:auto;cursor:pointer;flex:0 0 20px}.badge{display:inline-block;padding:2px 8px;border-radius:4px;background:var(--primary);color:#fff;font-size:.75rem;font-weight:600;margin-left:4px}.auth-card{max-width:420px;margin:80px auto;text-align:center}.auth-card h1{color:var(--primary);margin-bottom:8px}.auth-subtitle{color:var(--text-light);margin-bottom:20px;font-size:.9375rem}.auth-card form{display:flex;flex-direction:column;gap:12px;margin-top:16px}.auth-card input{width:100%;font-size:16px;padding:12px}.error{color:var(--danger);font-size:.875rem;margin-top:12px}@media (max-width: 640px){.app{padding:8px}.header{flex-direction:column;align-items:stretch;gap:12px;padding:16px}.header h1{text-align:center;font-size:1.75rem}.nav{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.nav button{padding:12px 4px;font-size:.875rem;text-align:center;width:100%}.nav .btn-logout{grid-column:1 / -1;background:var(--bg);color:var(--danger);border:1px solid var(--border)}.card{padding:16px}.card h2{font-size:1.15rem}.form-row{flex-direction:column;align-items:stretch;gap:10px}.form-row label{font-size:.9375rem}input,select,.btn-primary,.btn-secondary{width:100%;min-height:48px;font-size:16px}.checkbox-label{justify-content:flex-start;padding:8px 0}.table{font-size:.875rem}.table th,.table td{padding:10px 8px}.grand-total{flex-direction:column;gap:8px;text-align:center;font-size:1rem}.grand-total span{font-size:1.4rem}.auth-card{margin:40px auto;padding:24px 16px}}