:root{--primary: #4F46E5;--primary-hover: #4338CA;--primary-soft: #EEF2FF;--accent-grad: linear-gradient(135deg, #4F46E5, #7C3AED);--bg-primary: #ffffff;--bg-secondary: #F6F7FB;--text-primary: #111827;--text-secondary: #6B7280;--text-muted: #9CA3AF;--border: #ECEEF2;--border-strong: #E1E4EA;--success: #16A34A;--success-soft: #ECFDF3;--warning: #D97706;--warning-soft: #FFFBEB;--danger: #DC2626;--danger-soft: #FEF2F2;--info: #2563EB;--info-soft: #EFF6FF;--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);--shadow: 0 1px 3px rgba(16, 24, 40, .07), 0 1px 2px rgba(16, 24, 40, .04);--shadow-md: 0 4px 16px rgba(16, 24, 40, .08)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1{font-size:26px;font-weight:700;letter-spacing:-.02em;line-height:1.2}h2{font-size:18px;font-weight:700;letter-spacing:-.01em}h3{font-size:15px;font-weight:600}.container{max-width:1240px;margin:0 auto;padding:28px}.page-header{display:flex;align-items:center;gap:12px;margin-bottom:24px}.page-header__icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius);background:var(--primary-soft);color:var(--primary);flex:0 0 auto}.section-title{display:flex;align-items:center;gap:8px}.section-title svg{color:var(--primary);flex:0 0 auto}.card{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:22px;margin-bottom:20px;max-width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 16px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg-primary);color:var(--text-primary);cursor:pointer;font-family:inherit;font-size:14px;font-weight:500;line-height:1.2;transition:background .15s,border-color .15s,color .15s,box-shadow .15s,opacity .15s}.btn:hover{background:var(--bg-secondary);border-color:var(--text-muted)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.btn-secondary{background:var(--bg-primary);border-color:var(--border-strong);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-secondary)}.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn-danger:hover{background:#b91c1c;border-color:#b91c1c}.btn-sm{padding:5px 10px;font-size:13px;border-radius:7px}.input{width:100%;padding:9px 13px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);font-family:inherit;font-size:14px;color:var(--text-primary);background:var(--bg-primary);transition:border-color .15s,box-shadow .15s}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}table{width:100%;border-collapse:collapse}th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border)}th{font-weight:600;color:var(--text-secondary);font-size:11px;letter-spacing:.04em;text-transform:uppercase;background:var(--bg-secondary)}tbody tr{transition:background .12s}tbody tr:hover{background:var(--bg-secondary)}tbody tr:last-child td{border-bottom:none}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600;line-height:1.45;white-space:nowrap;background:var(--bg-secondary);color:var(--text-secondary)}.badge--success{background:var(--success-soft);color:var(--success)}.badge--danger{background:var(--danger-soft);color:var(--danger)}.badge--warning{background:var(--warning-soft);color:var(--warning)}.badge--info{background:var(--info-soft);color:var(--info)}.badge--primary{background:var(--primary-soft);color:var(--primary)}.badge--neutral{background:var(--bg-secondary);color:var(--text-secondary)}.challenge-rich p{margin:0 0 6px}.challenge-rich p:last-child{margin-bottom:0}.challenge-rich h2{font-size:1.2em;font-weight:700;margin:8px 0 4px}.challenge-rich h3{font-size:1.05em;font-weight:700;margin:6px 0 3px}.challenge-rich ul,.challenge-rich ol{margin:4px 0 6px;padding-left:20px}.challenge-rich li{margin:2px 0}.challenge-rich a{color:var(--primary);text-decoration:underline}.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}:root{--sidebar-width: 256px;--sidebar-width-collapsed: 72px;--topbar-mobile-height: 56px}.app-shell{display:flex;min-height:100vh}.app-main{flex:1 1 auto;min-width:0}.sidebar-desktop{flex:0 0 auto}.sidebar{position:sticky;top:0;height:100vh;width:var(--sidebar-width);background:var(--bg-primary);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:width .18s ease}.sidebar--collapsed{width:var(--sidebar-width-collapsed)}.sidebar__top{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:16px;height:64px;border-bottom:1px solid var(--border)}.sidebar--collapsed .sidebar__top{justify-content:center;padding:16px 8px}.sidebar__brand{display:flex;align-items:center;gap:10px;min-width:0}.sidebar__logo{flex:0 0 auto;width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;overflow:hidden}.sidebar__logo img{width:100%;height:100%;object-fit:contain;transform:scale(1.7)}.sidebar__brand-text{font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar__toggle{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;border-radius:8px;background:transparent;color:var(--text-secondary);cursor:pointer;transition:background .15s,color .15s}.sidebar__toggle:hover{background:var(--bg-secondary);color:var(--text-primary)}.sidebar__nav{flex:1 1 auto;overflow-y:auto;padding:12px 12px 16px}.sidebar__group{margin-bottom:8px}.sidebar__group-title{font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-secondary);padding:12px 12px 6px}.sidebar__group-sep{height:1px;background:var(--border);margin:8px}.sidebar__group:first-child .sidebar__group-sep{display:none}.sidebar__link{display:flex;align-items:center;gap:12px;padding:9px 12px;margin:2px 0;border-radius:9px;color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:14px;white-space:nowrap;transition:background .15s,color .15s}.sidebar__link:hover{background:var(--bg-secondary);color:var(--text-primary)}.sidebar__link--active{background:var(--primary-soft, #EEF2FF);color:var(--primary)}.sidebar__link-icon{flex:0 0 auto}.sidebar--collapsed .sidebar__link{justify-content:center;padding:9px 0}.sidebar__bottom{border-top:1px solid var(--border);padding:12px}.sidebar__user{font-size:13px;color:var(--text-secondary);padding:4px 12px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar__logout{display:flex;align-items:center;gap:12px;width:100%;padding:9px 12px;border:none;border-radius:9px;background:transparent;color:var(--text-secondary);font-weight:500;font-size:14px;cursor:pointer;transition:background .15s,color .15s}.sidebar__logout:hover{background:#fef2f2;color:#dc2626}.sidebar--collapsed .sidebar__logout{justify-content:center;padding:9px 0}.topbar-mobile{display:none;align-items:center;gap:12px;height:var(--topbar-mobile-height);padding:0 14px;background:var(--bg-primary);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30}.topbar-mobile__burger{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border:none;border-radius:8px;background:transparent;color:var(--text-primary);cursor:pointer}.topbar-mobile__burger:hover{background:var(--bg-secondary)}.sidebar-drawer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50}.sidebar-drawer__overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#11182780;animation:drawer-fade .15s ease}.sidebar-drawer__panel{position:absolute;top:0;left:0;height:100%;animation:drawer-slide .2s ease}.sidebar-drawer__panel .sidebar{position:relative;box-shadow:0 10px 40px #0000002e}.sidebar-drawer__close{position:absolute;top:14px;right:-44px;width:36px;height:36px;border:none;border-radius:8px;background:var(--bg-primary);color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center}@keyframes drawer-fade{0%{opacity:0}to{opacity:1}}@keyframes drawer-slide{0%{transform:translate(-100%)}to{transform:translate(0)}}@media (max-width: 900px){.sidebar-desktop{display:none}.topbar-mobile{display:flex}.app-shell{flex-direction:column}}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:24px}.stat-card{background:var(--bg-primary);border-radius:12px;padding:20px;box-shadow:0 1px 3px #0000001a}.stat-value{font-size:32px;font-weight:700;color:var(--text-primary)}.stat-label{font-size:14px;color:var(--text-secondary);margin-top:4px}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:16px}.kpi-card{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:18px 20px;display:flex;gap:14px;align-items:flex-start}.kpi-card__icon{flex:0 0 auto;width:44px;height:44px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center}.kpi-card__body{min-width:0}.kpi-card__value{font-size:28px;font-weight:700;letter-spacing:-.02em;line-height:1.1;color:var(--text-primary)}.kpi-card__label{font-size:13px;color:var(--text-secondary);margin-top:2px}.kpi-card__sub{font-size:12px;color:var(--text-muted);margin-top:6px}.chart-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:20px}.chart-card{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:22px;margin-bottom:20px}.chart-card__title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;margin-bottom:18px}.chart-card__title svg{color:var(--primary)}.chart-empty{display:flex;align-items:center;justify-content:center;height:240px;color:var(--text-muted);font-size:14px}@media (max-width: 640px){.container{padding:16px}.card{padding:16px;border-radius:var(--radius);margin-bottom:16px}h1{font-size:22px}h2{font-size:16px}.page-header{gap:10px;margin-bottom:18px}.page-header__icon{width:36px;height:36px;border-radius:var(--radius-sm)}.stat-grid{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}.stat-card{padding:16px}.stat-value{font-size:24px}th,td{padding:10px 12px}.btn{padding:8px 13px;font-size:13px}.kpi-grid{gap:12px}.kpi-card{padding:16px}.kpi-card__value{font-size:24px}.chart-card{padding:16px}.modal-form-row{flex-direction:column;align-items:stretch}}