:root{--color-primary: #1677ff;--color-primary-hover: #4096ff;--color-primary-bg: #e6f4ff;--color-success: #52c41a;--color-success-bg: #f6ffed;--color-danger: #ff4d4f;--color-danger-hover: #ff7875;--color-danger-bg: #fff2f0;--color-warning: #faad14;--color-warning-bg: #fffbe6;--color-info: #1677ff;--color-info-bg: #e6f4ff;--color-bg: #f5f5f5;--color-bg-container: #ffffff;--color-border: #d9d9d9;--color-border-light: #f0f0f0;--color-text: rgba(0, 0, 0, .88);--color-text-secondary: rgba(0, 0, 0, .45);--color-text-disabled: rgba(0, 0, 0, .25);--radius: 6px;--radius-lg: 8px;--shadow: 0 1px 2px 0 rgba(0, 0, 0, .03), 0 1px 6px -1px rgba(0, 0, 0, .02), 0 2px 4px 0 rgba(0, 0, 0, .02);--shadow-md: 0 6px 16px 0 rgba(0, 0, 0, .08), 0 3px 6px -4px rgba(0, 0, 0, .12), 0 9px 28px 8px rgba(0, 0, 0, .05);--sidebar-width: 220px;--sidebar-collapsed-width: 80px;--header-height: 64px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font-family);color:var(--color-text);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600}h3{font-size:24px;line-height:1.33}h5{font-size:16px;line-height:1.5}a{color:var(--color-primary);text-decoration:none}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:var(--sidebar-width);min-height:100vh;background:#001529;position:fixed;left:0;top:0;bottom:0;overflow-y:auto;transition:width .2s;z-index:100}.admin-sidebar.collapsed{width:var(--sidebar-collapsed-width)}.sidebar-logo{height:48px;margin:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;letter-spacing:2px;white-space:nowrap;font-size:20px}.admin-sidebar.collapsed .sidebar-logo{font-size:16px}.sidebar-menu{list-style:none;padding:0;margin:0}.sidebar-menu-item{display:flex;align-items:center;gap:10px;padding:12px 24px;color:#ffffffa6;cursor:pointer;transition:all .2s;font-size:14px;white-space:nowrap;overflow:hidden}.sidebar-menu-item:hover{color:#fff;background:#ffffff14}.sidebar-menu-item.active{color:#fff;background:var(--color-primary)}.sidebar-menu-item svg{flex-shrink:0;width:16px;height:16px}.admin-sidebar.collapsed .sidebar-menu-item{justify-content:center;padding:12px}.admin-sidebar.collapsed .sidebar-menu-item span:not(.sidebar-icon){display:none}.sidebar-toggle{position:absolute;bottom:0;width:100%;padding:12px;border:none;border-top:1px solid rgba(255,255,255,.1);background:transparent;color:#ffffffa6;cursor:pointer;font-size:14px;text-align:center}.sidebar-toggle:hover{color:#fff}.admin-main{flex:1;margin-left:var(--sidebar-width);transition:margin-left .2s;min-height:100vh;background:var(--color-bg)}.admin-main.sidebar-collapsed{margin-left:var(--sidebar-collapsed-width)}.admin-header{height:var(--header-height);padding:0 24px;background:var(--color-bg-container);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--color-border-light)}.admin-header-title{font-size:18px;font-weight:600}.admin-content{margin:24px;padding:24px;background:var(--color-bg-container);border-radius:var(--radius-lg)}.btn{display:inline-flex;align-items:center;gap:6px;padding:4px 15px;height:32px;font-size:14px;border-radius:var(--radius);border:1px solid var(--color-border);background:var(--color-bg-container);color:var(--color-text);cursor:pointer;transition:all .2s;font-family:inherit;line-height:1;white-space:nowrap}.btn:hover{color:var(--color-primary);border-color:var(--color-primary)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn svg{width:14px;height:14px}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover);color:#fff}.btn-danger{color:var(--color-danger);border-color:var(--color-danger)}.btn-danger:hover{color:var(--color-danger-hover);border-color:var(--color-danger-hover)}.btn-danger.btn-primary{background:var(--color-danger);border-color:var(--color-danger);color:#fff}.btn-danger.btn-primary:hover{background:var(--color-danger-hover);border-color:var(--color-danger-hover)}.btn-sm{height:24px;padding:0 8px;font-size:12px}.btn-block{width:100%;justify-content:center}.btn-lg{height:40px;padding:6px 15px;font-size:16px}.card{background:var(--color-bg-container);border-radius:var(--radius-lg);border:1px solid var(--color-border-light);box-shadow:var(--shadow)}.card-hoverable{transition:box-shadow .2s}.card-hoverable:hover{box-shadow:var(--shadow-md)}.card-header{padding:12px 24px;border-bottom:1px solid var(--color-border-light);font-weight:600;font-size:16px}.card-body{padding:24px}.stat-card{padding:20px 24px}.stat-card-title{font-size:14px;color:var(--color-text-secondary);margin-bottom:8px}.stat-card-value{font-size:24px;font-weight:600;display:flex;align-items:center;gap:8px}.data-table{width:100%;overflow-x:auto}.data-table table{width:100%;border-collapse:collapse;font-size:14px}.data-table th{padding:12px 16px;text-align:left;font-weight:600;color:var(--color-text);background:#fafafa;border-bottom:1px solid var(--color-border-light);white-space:nowrap}.data-table td{padding:12px 16px;border-bottom:1px solid var(--color-border-light)}.data-table tr.clickable{cursor:pointer}.data-table tr.clickable:hover td{background:#fafafa}.data-table-loading{text-align:center;padding:40px}.table-pagination{display:flex;align-items:center;justify-content:space-between;padding:12px 0;font-size:14px;flex-wrap:wrap;gap:8px}.table-pagination-info{color:var(--color-text-secondary)}.table-pagination-controls{display:flex;align-items:center;gap:8px}.table-pagination-controls button{padding:4px 10px;border:1px solid var(--color-border);background:var(--color-bg-container);border-radius:var(--radius);cursor:pointer;font-size:14px}.table-pagination-controls button:hover{border-color:var(--color-primary);color:var(--color-primary)}.table-pagination-controls button:disabled{opacity:.4;cursor:not-allowed}.table-pagination-controls button.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.table-pagination-controls select{padding:4px 8px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:14px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:14px;margin-bottom:4px;font-weight:500}.form-label .required{color:var(--color-danger);margin-left:2px}.form-error{color:var(--color-danger);font-size:12px;margin-top:2px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.input,.select-native{width:100%;height:32px;padding:4px 11px;font-size:14px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg-container);color:var(--color-text);font-family:inherit;outline:none;transition:border-color .2s}.input:focus,.select-native:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px #1677ff1a}.input.error{border-color:var(--color-danger)}.input::placeholder{color:var(--color-text-disabled)}.input-lg{height:40px;padding:6px 11px;font-size:16px}.password-wrapper{position:relative;display:flex}.password-wrapper .input{padding-right:36px}.password-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--color-text-secondary);font-size:14px;padding:2px}.search-wrapper{position:relative;width:280px}.search-wrapper .input{padding-right:36px}.search-wrapper .search-icon{position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--color-text-secondary)}.search-wrapper .search-clear{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--color-text-disabled);font-size:16px;padding:0;line-height:1}.search-wrapper .search-clear:hover{color:var(--color-text-secondary)}.filter-select{position:relative;display:inline-block;min-width:160px}.filter-select .select-native{appearance:none;padding-right:28px;cursor:pointer}.filter-select:after{content:"▾";position:absolute;right:10px;top:50%;transform:translateY(-50%);pointer-events:none;color:var(--color-text-secondary);font-size:12px}.tag{display:inline-block;padding:0 8px;height:22px;line-height:22px;font-size:12px;border-radius:var(--radius);border:1px solid;white-space:nowrap}.tag-green{color:#389e0d;background:#f6ffed;border-color:#b7eb8f}.tag-red{color:#cf1322;background:#fff1f0;border-color:#ffa39e}.tag-blue{color:#096dd9;background:#e6f7ff;border-color:#91d5ff}.alert{padding:8px 12px;border-radius:var(--radius);font-size:14px;display:flex;align-items:flex-start;gap:8px;margin-bottom:16px}.alert-error{background:var(--color-danger-bg);border:1px solid #ffccc7;color:var(--color-danger)}.alert-success{background:var(--color-success-bg);border:1px solid #b7eb8f;color:var(--color-success)}.alert-info{background:var(--color-info-bg);border:1px solid #91caff;color:var(--color-info)}.alert-warning{background:var(--color-warning-bg);border:1px solid #ffe58f;color:var(--color-warning)}.alert-content{flex:1}.alert-title{font-weight:600}.alert-description{margin-top:4px;color:var(--color-text)}.alert-close{background:none;border:none;cursor:pointer;font-size:16px;color:inherit;opacity:.6;padding:0}.alert-close:hover{opacity:1}.modal-backdrop{position:fixed;inset:0;background:#00000073;z-index:1000;display:flex;align-items:center;justify-content:center;animation:fadeIn .15s}.modal{background:var(--color-bg-container);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:520px;max-width:calc(100vw - 32px);max-height:calc(100vh - 64px);display:flex;flex-direction:column;animation:scaleIn .15s}.modal-header{padding:16px 24px;border-bottom:1px solid var(--color-border-light);font-size:16px;font-weight:600;display:flex;align-items:center;justify-content:space-between}.modal-header-close{background:none;border:none;font-size:18px;cursor:pointer;color:var(--color-text-secondary);padding:0}.modal-header-close:hover{color:var(--color-text)}.modal-body{padding:24px;overflow-y:auto;flex:1}.modal-footer{padding:12px 24px;border-top:1px solid var(--color-border-light);display:flex;justify-content:flex-end;gap:8px}.drawer-backdrop{position:fixed;inset:0;background:#00000073;z-index:1000;animation:fadeIn .15s}.drawer{position:fixed;top:0;right:0;bottom:0;width:520px;max-width:100vw;background:var(--color-bg-container);box-shadow:var(--shadow-md);z-index:1001;display:flex;flex-direction:column;animation:slideInRight .2s}.drawer-header{padding:16px 24px;border-bottom:1px solid var(--color-border-light);font-size:16px;font-weight:600;display:flex;align-items:center;justify-content:space-between}.drawer-close{background:none;border:none;font-size:18px;cursor:pointer;color:var(--color-text-secondary);padding:0}.drawer-close:hover{color:var(--color-text)}.drawer-body{padding:24px;overflow-y:auto;flex:1}.descriptions{border:1px solid var(--color-border-light);border-radius:var(--radius);overflow:hidden}.descriptions-row{display:flex;border-bottom:1px solid var(--color-border-light)}.descriptions-row:last-child{border-bottom:none}.descriptions-label{width:160px;flex-shrink:0;padding:10px 16px;background:#fafafa;font-weight:500;font-size:14px;border-right:1px solid var(--color-border-light)}.descriptions-value{padding:10px 16px;flex:1;font-size:14px;word-break:break-word}.tabs-nav{display:flex;border-bottom:1px solid var(--color-border-light);margin-bottom:16px;gap:0}.tabs-nav-item{padding:12px 16px;font-size:14px;cursor:pointer;border-bottom:2px solid transparent;color:var(--color-text);transition:all .2s;background:none;border-top:none;border-left:none;border-right:none;font-family:inherit}.tabs-nav-item:hover{color:var(--color-primary)}.tabs-nav-item.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.spinner{display:inline-block;width:32px;height:32px;border:3px solid var(--color-border-light);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.spinner-sm{width:16px;height:16px;border-width:2px}.spinner-lg{width:48px;height:48px;border-width:4px}.spinner-center{display:flex;justify-content:center;align-items:center;padding:40px}.empty{text-align:center;padding:32px;color:var(--color-text-secondary)}.empty-icon{font-size:48px;margin-bottom:8px;opacity:.4}.empty-text{font-size:14px}.toast-container{position:fixed;top:24px;left:50%;transform:translate(-50%);z-index:2000;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{padding:8px 16px;border-radius:var(--radius);font-size:14px;box-shadow:var(--shadow-md);animation:slideDown .2s;pointer-events:auto;display:flex;align-items:center;gap:8px}.toast-success{background:var(--color-bg-container);color:var(--color-success)}.toast-error{background:var(--color-bg-container);color:var(--color-danger)}.toast-info{background:var(--color-bg-container);color:var(--color-info)}.dropdown{position:relative;display:inline-block}.dropdown-menu{position:absolute;top:100%;right:0;min-width:160px;background:var(--color-bg-container);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:4px 0;z-index:1050;animation:fadeIn .1s}.dropdown-item{display:flex;align-items:center;gap:8px;padding:8px 16px;font-size:14px;cursor:pointer;border:none;background:none;width:100%;text-align:left;color:var(--color-text);font-family:inherit}.dropdown-item:hover{background:#f5f5f5}.dropdown-item.active{background:var(--color-primary-bg);color:var(--color-primary);font-weight:500}.dropdown-item-danger{color:var(--color-danger)}.dropdown-item-danger:hover{background:var(--color-danger-bg)}.result-page{display:flex;justify-content:center;align-items:center;min-height:100vh;background:var(--color-bg)}.result-box{text-align:center;padding:48px}.result-status{font-size:72px;font-weight:700;color:var(--color-warning);margin-bottom:16px}.result-title{font-size:24px;font-weight:600;margin-bottom:8px}.result-subtitle{color:var(--color-text-secondary);font-size:14px;margin-bottom:24px}.login-page{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:16px;background:var(--color-bg)}.login-card{width:100%;max-width:400px;padding:32px}.login-title{text-align:center;margin-bottom:24px;font-size:24px;font-weight:700}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media(max-width:768px){.grid-2,.grid-3,.grid-4,.form-row{grid-template-columns:1fr}}@media(min-width:769px)and (max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}}.flex{display:flex;align-items:center;gap:8px}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-center{display:flex;align-items:center;justify-content:center}.flex-wrap{flex-wrap:wrap}.gap-4{gap:4px}.gap-8{gap:8px}.gap-16{gap:16px}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.text-center{text-align:center}.text-secondary{color:var(--color-text-secondary)}.cursor-pointer{cursor:pointer}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}