:root{--bg: #f5f6f8;--surface: #ffffff;--text: #1f2329;--text-secondary: #646a73;--border: #e5e6eb;--blue: #3370ff;--blue-light: #e1eaff;--green: #00b42a;--green-light: #e8faea;--orange: #ff7d00;--orange-light: #fff3e5;--red: #f53f3f;--red-light: #ffece8;--yellow: #ffb400;--yellow-light: #fff9e6;--gray: #86909c;--gray-light: #f2f3f5;--radius: 8px;--shadow: 0 1px 4px rgba(0, 0, 0, .06)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}.app{min-height:100vh}.nav{background:var(--surface);border-bottom:1px solid var(--border);padding:0 20px;display:flex;align-items:center;height:56px;gap:2px;position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.nav-brand{font-size:17px;font-weight:600;margin-right:28px;color:var(--blue)}.nav-item{padding:8px 14px;border-radius:6px;color:var(--text-secondary);font-size:13px;transition:.15s;text-decoration:none;display:inline-flex;align-items:center;gap:6px}.nav-item:hover{background:var(--gray-light);color:var(--text)}.nav-item.active{background:var(--blue-light);color:var(--blue);font-weight:500}.main{max-width:1440px;margin:0 auto;padding:20px 24px}.page-title{font-size:16px;font-weight:600;margin-bottom:16px}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:16px}.card-header{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.card-title{font-size:15px;font-weight:600}.card-body{padding:20px}.tabs{display:flex;border-bottom:2px solid var(--border);padding:0 20px;gap:0}.tab{padding:10px 16px;cursor:pointer;color:var(--text-secondary);font-size:13px;border-bottom:2px solid transparent;margin-bottom:-2px;transition:.15s;-webkit-user-select:none;user-select:none;background:none;border-top:none;border-left:none;border-right:none}.tab:hover{color:var(--text)}.tab.active{color:var(--blue);border-bottom-color:var(--blue);font-weight:500}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 20px;border-bottom:1px solid var(--border)}.toolbar select,.toolbar input{padding:6px 12px;border:1px solid var(--border);border-radius:6px;font-size:13px;background:var(--surface);color:var(--text)}.btn{padding:7px 16px;border-radius:6px;font-size:13px;border:none;cursor:pointer;font-weight:500;transition:.15s;display:inline-flex;align-items:center;gap:6px}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:#2b5fd9}.btn-outline{background:var(--surface);color:var(--blue);border:1px solid var(--blue)}.btn-outline:hover{background:var(--blue-light)}.btn-ghost{background:transparent;color:var(--text-secondary);padding:6px 10px}.btn-ghost:hover{background:var(--gray-light);color:var(--text)}.btn-sm{padding:4px 10px;font-size:12px}table{width:100%;border-collapse:collapse}th,td{padding:9px 12px;text-align:left;font-size:12.5px;border-bottom:1px solid var(--border)}th{background:var(--gray-light);color:var(--text-secondary);font-weight:500;font-size:12px;white-space:nowrap;position:sticky;top:0}tr:hover td{background:#f7f8fa}td{white-space:nowrap}.table-wrap{overflow-x:auto;max-height:520px;overflow-y:auto}.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px;font-weight:500}.badge-pending{background:var(--orange-light);color:var(--orange)}.badge-approved{background:var(--green-light);color:var(--green)}.badge-rejected,.badge-canceled{background:var(--red-light);color:var(--red)}.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:16px 20px}.kpi{padding:16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface)}.kpi-label{font-size:12px;color:var(--text-secondary);margin-bottom:4px}.kpi-value{font-size:22px;font-weight:600}.kpi-sub{font-size:12px;color:var(--text-secondary);margin-top:2px}.placeholder{padding:40px;text-align:center;color:var(--text-secondary)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:200}.modal{background:var(--surface);border-radius:var(--radius);box-shadow:0 8px 24px #0000001f;width:520px;max-width:90vw;max-height:90vh;overflow:hidden;display:flex;flex-direction:column}.modal-header{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:15px;font-weight:600}.modal-close{background:none;border:none;font-size:20px;color:var(--text-secondary);cursor:pointer;line-height:1}.modal-body{padding:20px;overflow-y:auto}.modal-footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:8px}.form-options{display:flex;flex-wrap:wrap;gap:10px}.form-option{padding:7px 14px;border:1px solid var(--border);border-radius:6px;font-size:13px;cursor:pointer;background:var(--surface);color:var(--text);transition:.15s}.form-option:hover{border-color:var(--blue)}.form-option.active{border-color:var(--blue);background:var(--blue-light);color:var(--blue);font-weight:500}.form-option.disabled{opacity:.45;cursor:not-allowed}.month-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.toggle{display:inline-flex;border:1px solid var(--border);border-radius:6px;overflow:hidden}.toggle-btn{padding:4px 12px;font-size:13px;background:var(--surface);border:none;cursor:pointer;color:var(--text-secondary)}.toggle-btn.active{background:var(--blue);color:#fff}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin{animation:spin 1s linear infinite}.severity-critical{color:var(--red);font-weight:600}.severity-warning{color:var(--orange);font-weight:600}.severity-info{color:var(--blue);font-weight:600}.empty-state{padding:48px 20px;text-align:center;color:var(--text-secondary);font-size:13px}.text-mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;background:var(--gray-light);padding:2px 6px;border-radius:4px}