:root{--bg: #f8fafc;--surface: #ffffff;--surface-hover: #f1f5f9;--surface-active: #e2e8f0;--border: #e2e8f0;--border-light: #f1f5f9;--text: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--text-inverse: #ffffff;--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #eff6ff;--primary-subtle: #dbeafe;--success: #16a34a;--success-light: #f0fdf4;--warning: #d97706;--warning-light: #fffbeb;--danger: #dc2626;--danger-light: #fef2f2;--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--nav-width: 240px;--bottom-nav-height: 64px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:inherit;color:inherit}input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius);font-weight:600;font-size:14px;transition:all .15s ease;white-space:nowrap;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.97)}.btn-primary{background:var(--primary);color:var(--text-inverse)}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{background:#94a3b8;cursor:not-allowed}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--surface-hover)}.btn-danger{background:var(--danger);color:var(--text-inverse)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--surface-hover)}.btn-sm{padding:6px 12px;font-size:13px;border-radius:var(--radius-sm)}.btn-lg{padding:14px 28px;font-size:16px;border-radius:var(--radius-lg)}.btn-icon{width:40px;height:40px;padding:0;border-radius:var(--radius);display:flex;align-items:center;justify-content:center}.input{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius);font-size:15px;background:var(--surface);transition:border-color .15s ease,box-shadow .15s ease;outline:none}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-subtle)}.input::placeholder{color:var(--text-muted)}.input-lg{padding:16px 20px;font-size:17px;border-radius:var(--radius-lg)}.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:var(--radius-full);font-size:12px;font-weight:600;line-height:1.6}.badge-primary{background:var(--primary-light);color:var(--primary)}.badge-success{background:var(--success-light);color:var(--success)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-danger{background:var(--danger-light);color:var(--danger)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-fade-in{animation:fadeIn .2s ease}.animate-slide-up{animation:slideUp .3s ease}.app-layout{display:flex;min-height:100vh}.app-content{flex:1;display:flex;flex-direction:column;min-height:100vh;overflow:hidden}.page-header{padding:20px 24px 16px;display:flex;align-items:center;justify-content:space-between;gap:16px}.page-header h1{font-size:22px;font-weight:700;letter-spacing:-.02em}.page-body{flex:1;overflow:auto;padding:0 24px 24px}.sidebar{width:var(--nav-width);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-logo{padding:20px 20px 16px;border-bottom:1px solid var(--border)}.sidebar-logo h1{font-size:20px;font-weight:800;letter-spacing:-.03em;color:var(--primary)}.sidebar-logo span{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:500}.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px}.sidebar-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius);font-size:14px;font-weight:500;color:var(--text-secondary);transition:all .15s ease;width:100%;text-align:left}.sidebar-link:hover{background:var(--surface-hover);color:var(--text)}.sidebar-link.active{background:var(--primary-light);color:var(--primary);font-weight:600}.sidebar-link svg{width:20px;height:20px;flex-shrink:0}.sidebar-footer{padding:12px 8px;border-top:1px solid var(--border)}.sidebar-user{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius)}.sidebar-user:hover{background:var(--surface-hover)}.sidebar-user-avatar{width:32px;height:32px;border-radius:var(--radius-full);background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-role{font-size:11px;color:var(--text-muted)}.bottom-nav{display:none}.main-area{margin-left:var(--nav-width);flex:1;display:flex;flex-direction:column;min-height:100vh}@media(max-width:768px){.sidebar{display:none}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;height:var(--bottom-nav-height);background:var(--surface);border-top:1px solid var(--border);z-index:100;padding:0 8px;padding-bottom:env(safe-area-inset-bottom,0)}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:8px 0;color:var(--text-muted);font-size:10px;font-weight:500;transition:color .15s ease;-webkit-tap-highlight-color:transparent}.bottom-nav-item.active{color:var(--primary)}.bottom-nav-item svg{width:22px;height:22px}.main-area{margin-left:0;padding-bottom:var(--bottom-nav-height)}.page-header{padding:16px 16px 12px}.page-body{padding:0 16px 16px}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;text-align:center}.empty-state-icon{width:64px;height:64px;border-radius:var(--radius-lg);background:var(--surface-hover);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--text-muted)}.empty-state-icon svg{width:28px;height:28px}.empty-state h3{font-size:16px;font-weight:600;margin-bottom:4px}.empty-state p{font-size:14px;color:var(--text-muted);max-width:280px}.skeleton{background:linear-gradient(90deg,var(--surface-hover) 25%,var(--border-light) 50%,var(--surface-hover) 75%);background-size:200% 100%;animation:pulse 1.5s ease-in-out infinite;border-radius:var(--radius-sm)}