:root{--primary: #1b4332;--primary-hover: #2d6a4f;--primary-accent: #40916c;--primary-light: #74c69d;--primary-surface: #d8f3dc;--primary-xlight: #f0fdf4;--sidebar-bg: #1b4332;--sidebar-w: 240px;--topbar-h: 68px;--bg: #f4f7fb;--white: #ffffff;--card-bg: #ffffff;--text-1: #111827;--text-2: #374151;--text-3: #6b7280;--text-4: #9ca3af;--border: #e5e7eb;--border-light: #f3f4f6;--danger: #ef4444;--danger-bg: #fef2f2;--warning: #f59e0b;--warning-bg: #fffbeb;--success: #10b981;--success-bg: #ecfdf5;--info: #3b82f6;--info-bg: #eff6ff;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .04);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 4px 6px rgba(0, 0, 0, .06), 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 10px 15px rgba(0, 0, 0, .08), 0 4px 6px rgba(0, 0, 0, .05);--shadow-lg: 0 20px 25px rgba(0, 0, 0, .1), 0 10px 10px rgba(0, 0, 0, .04);--r-xs: 4px;--r-sm: 8px;--r: 12px;--r-lg: 16px;--r-xl: 24px;--r-full: 9999px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--transition: .18s ease}html{scroll-behavior:smooth}body{font-family:var(--font);font-size:14px;color:var(--text-1);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}ul{list-style:none}button{cursor:pointer;font-family:var(--font);border:none;background:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:var(--r-full)}@keyframes bk-spin{to{transform:rotate(360deg)}}@keyframes bk-fade-in{0%{opacity:0}to{opacity:1}}@keyframes bk-scale-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.bk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:var(--r-sm);font-size:14px;font-weight:600;transition:all var(--transition);white-space:nowrap;cursor:pointer;border:1.5px solid transparent;position:relative}.bk-btn svg{width:16px;height:16px;flex-shrink:0}.bk-btn--primary{background:var(--primary);color:#fff;border-color:var(--primary)}.bk-btn--primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow)}.bk-btn--outline{background:transparent;color:var(--text-1);border-color:var(--border)}.bk-btn--outline:hover:not(:disabled){background:var(--border-light)}.bk-btn--ghost{background:transparent;color:var(--text-2)}.bk-btn--ghost:hover:not(:disabled){background:var(--border-light)}.bk-btn--danger{background:var(--danger);color:#fff;border-color:var(--danger)}.bk-btn--danger:hover:not(:disabled){background:#dc2626}.bk-btn--success{background:var(--success);color:#fff;border-color:var(--success)}.bk-btn--sm{padding:7px 14px;font-size:13px}.bk-btn--lg{padding:14px 28px;font-size:15px}.bk-btn--block{width:100%}.bk-btn:disabled{opacity:.55;cursor:not-allowed;transform:none!important}.bk-btn--loading .bk-btn__label{opacity:0}.bk-btn--loading:after{content:"";position:absolute;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:bk-spin .7s linear infinite}.bk-icon-btn{width:36px;height:36px;padding:0;border-radius:var(--r-sm);display:inline-flex;align-items:center;justify-content:center;color:var(--text-3);background:var(--bg);border:1.5px solid var(--border);transition:all var(--transition)}.bk-icon-btn:hover:not(:disabled){border-color:var(--text-3);color:var(--text-1)}.bk-form-group{margin-bottom:20px}.bk-label{display:block;font-size:13px;font-weight:500;color:var(--text-2);margin-bottom:6px}.bk-control{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--r-sm);font-size:14px;color:var(--text-1);background:var(--white);transition:border-color var(--transition),box-shadow var(--transition);outline:none}.bk-control:focus{border-color:var(--primary-accent);box-shadow:0 0 0 3px #40916c1f}.bk-control--error{border-color:var(--danger)}.bk-control--error:focus{box-shadow:0 0 0 3px #ef44441f}.bk-field-error{color:var(--danger);font-size:12px;margin-top:5px}.bk-check{display:flex;align-items:center;gap:8px}.bk-check input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary);cursor:pointer}.bk-check label{font-size:13px;color:var(--text-3);cursor:pointer}.bk-toggle{position:relative;width:48px;height:26px;background:var(--border);border-radius:var(--r-full);cursor:pointer;transition:background var(--transition);flex-shrink:0}.bk-toggle--on{background:var(--primary-accent)}.bk-toggle__knob{position:absolute;top:3px;left:3px;width:20px;height:20px;background:#fff;border-radius:50%;box-shadow:var(--shadow-xs);transition:left var(--transition)}.bk-toggle--on .bk-toggle__knob{left:25px}.bk-badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;padding:3px 9px;border-radius:var(--r-full);white-space:nowrap}.bk-badge--success{background:var(--success-bg);color:#059669}.bk-badge--warning{background:var(--warning-bg);color:#d97706}.bk-badge--danger{background:var(--danger-bg);color:var(--danger)}.bk-badge--info{background:var(--info-bg);color:#2563eb}.bk-badge--neutral{background:var(--border-light);color:var(--text-3)}.bk-badge__dot{width:6px;height:6px;border-radius:50%;background:currentColor}.bk-avatar{border-radius:var(--r-full);background:var(--primary-surface);color:var(--primary-accent);display:inline-flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;overflow:hidden}.bk-avatar img{width:100%;height:100%;object-fit:cover}.bk-avatar--sm{width:28px;height:28px;font-size:10px}.bk-avatar--md{width:36px;height:36px;font-size:12px}.bk-avatar--lg{width:48px;height:48px;font-size:16px}.bk-spinner{display:inline-block;border:2.5px solid var(--border);border-top-color:var(--primary-accent);border-radius:50%;animation:bk-spin .7s linear infinite}.bk-spinner--sm{width:16px;height:16px}.bk-spinner--md{width:24px;height:24px}.bk-spinner--lg{width:40px;height:40px;border-width:3.5px}.bk-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--r);padding:24px;box-shadow:var(--shadow-xs)}.bk-card__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.bk-card__title{font-size:14px;font-weight:600}.bk-card__subtitle{font-size:12px;color:var(--text-3);margin-top:2px}.bk-stat{background:var(--white);border:1px solid var(--border);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:12px;transition:box-shadow var(--transition)}.bk-stat:hover{box-shadow:var(--shadow)}.bk-stat__top{display:flex;align-items:center;justify-content:space-between}.bk-stat__label{font-size:12px;font-weight:500;color:var(--text-3);text-transform:uppercase;letter-spacing:.4px}.bk-stat__icon{width:34px;height:34px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center}.bk-stat__icon svg{width:17px;height:17px}.bk-stat__icon--green{background:var(--primary-surface);color:var(--primary-accent)}.bk-stat__icon--blue{background:var(--info-bg);color:var(--info)}.bk-stat__icon--orange{background:var(--warning-bg);color:var(--warning)}.bk-stat__icon--red{background:var(--danger-bg);color:var(--danger)}.bk-stat__value{font-size:26px;font-weight:800;letter-spacing:-.5px}.bk-stat__trend{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:600}.bk-stat__trend--up{color:var(--success)}.bk-stat__trend--down{color:var(--danger)}.bk-alert{display:flex;gap:12px;padding:14px 16px;border-radius:var(--r-sm);font-size:13px;border:1px solid transparent}.bk-alert--info{background:var(--info-bg);color:#1e40af;border-color:#bfdbfe}.bk-alert--success{background:var(--success-bg);color:#065f46;border-color:#a7f3d0}.bk-alert--warning{background:var(--warning-bg);color:#92400e;border-color:#fde68a}.bk-alert--danger{background:var(--danger-bg);color:#991b1b;border-color:#fecaca}.bk-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:48px 24px;color:var(--text-3)}.bk-empty svg{width:48px;height:48px;color:var(--text-4);margin-bottom:16px}.bk-empty h4{font-size:15px;color:var(--text-1);margin-bottom:6px}.bk-empty p{font-size:13px;max-width:320px}.bk-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#11182773;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;animation:bk-fade-in .15s ease}.bk-modal{background:var(--white);border-radius:var(--r);box-shadow:var(--shadow-lg);width:100%;max-height:90vh;overflow-y:auto;animation:bk-scale-in .18s ease}.bk-modal--sm{max-width:400px}.bk-modal--md{max-width:600px}.bk-modal--lg{max-width:800px}.bk-modal__header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.bk-modal__title{font-size:16px;font-weight:600}.bk-modal__close{width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-sm);color:var(--text-3);transition:all var(--transition)}.bk-modal__close:hover{background:var(--border-light);color:var(--text-1)}.bk-modal__body{padding:24px}.bk-modal__footer{display:flex;justify-content:flex-end;gap:10px;padding:16px 24px;border-top:1px solid var(--border)}.bk-toast-region{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:10px;z-index:1100}.bk-toast{display:flex;align-items:center;gap:10px;background:var(--white);border:1px solid var(--border);border-left:3px solid var(--primary-accent);border-radius:var(--r-sm);padding:12px 16px;box-shadow:var(--shadow-md);font-size:13px;min-width:260px;animation:bk-scale-in .18s ease}.bk-toast--success{border-left-color:var(--success)}.bk-toast--error{border-left-color:var(--danger)}.bk-toast--warning{border-left-color:var(--warning)}.bk-table-wrap{overflow-x:auto}.bk-table{width:100%;border-collapse:collapse}.bk-table thead tr{border-bottom:1px solid var(--border)}.bk-table th{padding:10px 16px;text-align:left;font-size:11px;font-weight:600;color:var(--text-3);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;background:var(--border-light)}.bk-table th.bk-sortable{cursor:pointer;-webkit-user-select:none;user-select:none}.bk-table th.bk-sortable:hover{color:var(--text-1)}.bk-table td{padding:13px 16px;font-size:13.5px;border-bottom:1px solid var(--border-light);vertical-align:middle}.bk-table tr:last-child td{border-bottom:none}.bk-table tbody tr:hover td{background:#fafbfc}.bk-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}.bk-toolbar__left,.bk-toolbar__right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.bk-search{display:flex;align-items:center;gap:8px;background:var(--bg);border:1.5px solid var(--border);border-radius:var(--r-sm);padding:7px 12px;min-width:220px}.bk-search:focus-within{border-color:var(--primary-accent)}.bk-search input{border:none;background:transparent;font-size:13px;outline:none;flex:1;min-width:0}.bk-filter-chip{font-size:13px;padding:7px 12px;border:1.5px solid var(--border);border-radius:var(--r-sm);background:var(--white);color:var(--text-2);cursor:pointer}.bk-pagination{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:13px;color:var(--text-3)}.bk-pagination__controls{display:flex;gap:6px}.bk-skeleton-row{height:44px;background:linear-gradient(90deg,var(--border-light) 25%,#eef0f3 50%,var(--border-light) 75%);background-size:200% 100%;animation:bk-shimmer 1.3s infinite;border-radius:var(--r-xs);margin-bottom:6px}@keyframes bk-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.bk-app-root{display:flex;min-height:100vh;background:var(--bg)}.bk-app-main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}.bk-app-content{padding:28px;flex:1}.bk-sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);background:var(--sidebar-bg);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform var(--transition)}.bk-sidebar--dark{background:#0f172a}.bk-sidebar__header{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.08)}.bk-sidebar__logo{display:flex;align-items:center;gap:10px}.bk-sidebar__logo-icon{width:34px;height:34px;background:#ffffff26;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:#fff}.bk-sidebar__logo-text{font-size:17px;font-weight:700;color:#fff}.bk-sidebar__nav{flex:1;overflow-y:auto;padding:16px 12px;display:flex;flex-direction:column;gap:24px}.bk-nav-section{display:flex;flex-direction:column;gap:2px}.bk-nav-label{font-size:10px;font-weight:600;letter-spacing:1px;color:#ffffff59;padding:0 8px;margin-bottom:6px;text-transform:uppercase}.bk-nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--r-sm);color:#ffffffa6;font-size:13.5px;font-weight:500;transition:all var(--transition);position:relative}.bk-nav-item svg{width:17px;height:17px;flex-shrink:0;stroke-width:1.8}.bk-nav-item:hover{background:#ffffff14;color:#ffffffe6}.bk-nav-item--active{background:#ffffff1f;color:#fff;font-weight:600}.bk-nav-item--active:before{content:"";position:absolute;left:0;top:20%;bottom:20%;width:3px;background:var(--primary-light);border-radius:0 2px 2px 0}.bk-nav-item__badge{margin-left:auto;background:var(--primary-light);color:var(--primary);font-size:10px;font-weight:700;padding:1px 6px;border-radius:var(--r-full)}.bk-sidebar__footer{padding:12px;border-top:1px solid rgba(255,255,255,.08)}.bk-user-card{display:flex;align-items:center;gap:10px;padding:8px;border-radius:var(--r-sm);transition:background var(--transition)}.bk-user-card:hover{background:#ffffff14}.bk-user-card__info{flex:1;min-width:0}.bk-user-card__name{display:block;font-size:12.5px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bk-user-card__role{display:block;font-size:11px;color:#ffffff80;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bk-logout-btn{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-sm);color:#ffffff80;transition:all var(--transition)}.bk-logout-btn:hover{background:#ef444433;color:#fca5a5}.bk-topbar{height:var(--topbar-h);background:var(--white);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:50;gap:16px}.bk-topbar__title{font-size:16px;font-weight:600}.bk-topbar__subtitle{font-size:12px;color:var(--text-3)}.bk-topbar__right{display:flex;align-items:center;gap:10px}.bk-auth-root{display:flex;min-height:100vh}.bk-auth-brand{flex:1;background:linear-gradient(160deg,var(--primary) 0%,var(--primary-accent) 100%);color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:center}.bk-auth-form-wrap{width:480px;max-width:100%;display:flex;align-items:center;justify-content:center;padding:48px}.bk-auth-form-inner{width:100%;max-width:360px}.bk-sidebar-overlay{display:none}@media (max-width: 768px){.bk-sidebar{transform:translate(-100%)}.bk-sidebar--open{transform:translate(0)}.bk-app-main{margin-left:0}.bk-sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:99}.bk-auth-brand{display:none}.bk-auth-form-wrap{width:100%}}.bk-progress{display:flex;flex-direction:column;gap:6px;width:100%}.bk-progress__labels{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-3);font-weight:500}.bk-progress__track{width:100%;height:10px;background-color:var(--border-light);border-radius:var(--r-full);overflow:hidden}.bk-progress__fill{height:100%;border-radius:var(--r-full);transition:width .3s ease}.bk-progress__fill--primary{background-color:var(--primary)}.bk-progress__fill--danger{background-color:var(--danger)}.bk-progress__fill--warning{background-color:var(--warning)}.bk-progress__fill--success{background-color:var(--success)}:root{--primary: #1b4332;--primary-hover: #152e24;--primary-accent: #40916c;--primary-surface: #f0fdf4;--text-1: #111827;--text-2: #374151;--text-3: #6b7280;--text-4: #9ca3af;--border: #e5e7eb;--bg: #f9fafb;--white: #ffffff;--danger: #ef4444;--warning: #f59e0b;--success: #10b981;--font: "Inter", sans-serif;--radius: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text-1);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:var(--font);cursor:pointer;border:none;background:none}input,select,textarea{font-family:var(--font)}