:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--bg-color: #f8fafc;--surface-color: #ffffff;--text-color: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--success-color: #16a34a;--warning-color: #f59e0b;--error-color: #dc2626;--processing-color: #2563eb;font-family:system-ui,-apple-system,Segoe UI,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-size:16px;color:var(--text-color);background-color:var(--bg-color);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}h1,h2,h3{margin:0;color:var(--text-color)}button{border-radius:8px;border:1px solid var(--border-color);padding:8px 16px;font-size:.875rem;font-weight:500;font-family:inherit;background-color:var(--surface-color);color:var(--text-color);cursor:pointer;transition:all .2s}button:hover{background-color:var(--bg-color);border-color:#cbd5e1}.btn-primary{background-color:var(--primary-color);color:#fff;border:none;padding:10px 24px;font-weight:600}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--surface-color);color:var(--text-color);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--bg-color)}select{padding:8px 12px;border:1px solid var(--border-color);border-radius:8px;font-size:.875rem;font-family:inherit;background:var(--surface-color);color:var(--text-color);cursor:pointer}select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}input[type=file]{font-size:.875rem;color:var(--text-secondary)}table{border-collapse:collapse;width:100%;table-layout:auto}th,td{border:1px solid var(--border-color);padding:10px 14px;text-align:left;font-size:.85rem}th{background-color:#f1f5f9;font-weight:600;color:var(--text-secondary);white-space:nowrap}td{word-break:break-word}tr:hover{background-color:#f8fafc}label{font-weight:500;font-size:.875rem;color:var(--text-secondary)}#root{min-height:100vh}.app-wrapper{display:flex;flex-direction:column;min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:var(--surface-color);border-bottom:1px solid var(--border-color);box-shadow:0 1px 3px #0000000a;flex-shrink:0}.app-title{font-size:1.15rem;font-weight:700;color:var(--text-color)}.brand-name{color:var(--primary-color);font-weight:800}.app-layout{display:flex;flex:1}.app-body{flex:1;min-width:0;overflow-y:auto}.header-right{display:flex;align-items:center;gap:16px}.lang-switcher{padding:6px 10px;font-size:.8rem}.main-content{padding:32px 24px;display:flex;flex-direction:column;gap:32px}.upload-section{background:var(--surface-color);border-radius:12px;padding:20px;box-shadow:0 1px 3px #0000000f;border:1px solid var(--border-color)}.upload-bar{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.section-title{font-size:1.1rem;font-weight:600;margin-bottom:20px;color:var(--text-color)}.dropdown-group{display:flex;align-items:center;gap:8px}.tasks-section{background:var(--surface-color);border-radius:12px;padding:28px 16px;box-shadow:0 1px 3px #0000000f;border:1px solid var(--border-color)}.tasks-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.filter-bar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border-color)}.filter-group{display:flex;align-items:center;gap:6px}.filter-count{margin-left:auto;font-size:.85rem;color:var(--text-secondary)}.pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:16px}.page-info{font-size:.875rem;color:var(--text-secondary);min-width:60px;text-align:center}.pagination button:disabled{opacity:.4;cursor:not-allowed}.table-container{overflow-x:auto}.table-container td:not(:nth-child(2)){white-space:nowrap}.table-container td:nth-child(1){font-size:.8rem}.status-badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:.8rem;font-weight:600;white-space:nowrap}.status-badge.pending{background:#fef3c7;color:#92400e}.status-badge.processing{background:#dbeafe;color:#1e40af}.status-badge.completed{background:#dcfce7;color:#166534}.status-badge.fail{background:#fee2e2;color:#991b1b}.empty-state{text-align:center;padding:48px 20px;color:var(--text-secondary);font-size:.95rem}.download-btn{background:none;border:none;color:var(--primary-color);font-weight:600;font-size:.85rem;cursor:pointer;padding:4px 8px;white-space:nowrap}.download-btn:hover{text-decoration:underline;background:none}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-color)}.login-card{background:var(--surface-color);border-radius:12px;box-shadow:0 4px 24px #00000014;padding:48px 40px;width:100%;max-width:400px}.login-title{text-align:center;color:var(--primary-color);font-size:1.8rem;margin:0 0 8px}.login-subtitle{text-align:center;color:var(--text-secondary);font-size:1.1rem;font-weight:500;margin:0 0 32px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:6px;font-size:.9rem;font-weight:500;color:var(--text-secondary)}.form-group input{width:100%;padding:10px 14px;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;background:var(--bg-color);color:var(--text-color);transition:border-color .2s;box-sizing:border-box}.form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.login-error{color:var(--error-color);font-size:.875rem;margin:0 0 16px;padding:8px 12px;background:#fef2f2;border-radius:6px}.login-btn{width:100%;padding:12px;background:var(--primary-color);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s}.login-btn:hover{background:var(--primary-hover)}.login-toggle{text-align:center;margin-top:20px;color:var(--text-secondary);font-size:.9rem}.link-btn{background:none;border:none;color:var(--primary-color);cursor:pointer;font-size:.9rem;font-weight:600;padding:0}.link-btn:hover{text-decoration:underline}.sidebar{width:220px;background:var(--surface-color);border-right:1px solid var(--border-color);display:flex;flex-direction:column;justify-content:space-between;transition:width .2s ease;flex-shrink:0}.sidebar.collapsed{width:60px}.sidebar-top{display:flex;flex-direction:column}.sidebar-toggle-row{display:flex;justify-content:flex-end;padding:8px 12px}.sidebar-toggle{background:none;border:none;color:var(--text-secondary);font-size:1.1rem;cursor:pointer;padding:10px 12px;border-radius:8px;flex-shrink:0}.sidebar-toggle:hover{background:var(--bg-color)}.collapsed .sidebar-toggle-row{justify-content:center}.sidebar-nav{display:flex;flex-direction:column;padding:8px;gap:2px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--text-secondary);text-decoration:none;font-size:.875rem;font-weight:500;transition:all .15s;border:none;background:none;cursor:pointer;width:100%;text-align:left}.nav-item:hover{background:var(--bg-color);color:var(--text-color)}.nav-item.active{background:#eff6ff;color:var(--primary-color);font-weight:600}.collapsed .nav-item{justify-content:center;padding:10px}.nav-icon{font-size:1.1rem;flex-shrink:0;width:20px;text-align:center}.nav-label{white-space:nowrap;overflow:hidden}.sidebar-bottom{padding:8px;border-top:1px solid var(--border-color);display:flex;flex-direction:column;gap:2px}.sidebar-user{display:flex;align-items:center;gap:10px;padding:10px 12px;font-size:.875rem;font-weight:600;color:var(--text-color)}.collapsed .sidebar-user{justify-content:center}.logout-item{color:var(--error-color)}.logout-item:hover{background:#fef2f2;color:var(--error-color)}.change-password-page{padding:32px 24px;max-width:480px}.change-password-card{background:var(--surface-color);border-radius:12px;padding:28px 32px;box-shadow:0 1px 3px #0000000f;border:1px solid var(--border-color)}.change-password-card .form-group{margin-bottom:20px}.change-password-card .form-group label{display:block;margin-bottom:6px;font-size:.9rem;font-weight:500;color:var(--text-secondary)}.change-password-card .form-group input{width:100%;padding:10px 14px;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;background:var(--bg-color);color:var(--text-color);transition:border-color .2s;box-sizing:border-box}.change-password-card .form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.form-error{color:var(--error-color);font-size:.875rem;margin:0 0 16px;padding:8px 12px;background:#fef2f2;border-radius:6px}.form-success{color:var(--success-color);font-size:.875rem;margin:0 0 16px;padding:8px 12px;background:#f0fdf4;border-radius:6px}