:root{--scaffold-bg: #F8FAFC;--card-bg: #FFFFFF;--dialog-bg: #F1F5F9;--surface-bg: #CBD5E1;--text-headline: #0F172A;--text-body: #475569;--text-muted: #64748B;--green: #16A34A;--green-light: #DCFCE7;--blue: #3B82F6;--blue-light: #E0F2FE;--purple: #9333EA;--purple-light: #F3E8FF;--orange: #F97316;--orange-light: #FFEDD5;--red: #DC2626;--indigo-dusk: #1E293B;--border: rgba(15, 23, 42, .08);--radius: 12px;--radius-sm: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--scaffold-bg);color:var(--text-body);line-height:1.5}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--indigo-dusk);color:#fff;padding:24px 0;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:10}.sidebar-brand{padding:0 24px 24px;font-size:20px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:8px}.sidebar a{display:flex;align-items:center;gap:12px;padding:10px 24px;color:#fff9;text-decoration:none;font-size:14px;font-weight:500;transition:all .15s}.sidebar a:hover{color:#fff;background:#ffffff14}.sidebar a.active{color:#fff;background:#16a34a33}.sidebar a .icon{font-size:18px;width:24px;text-align:center}.sidebar-footer{margin-top:auto;padding:16px 24px;border-top:1px solid rgba(255,255,255,.1)}.main-content{flex:1;margin-left:240px;padding:32px;min-height:100vh}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-header h1{font-size:24px;font-weight:700;color:var(--text-headline)}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:0 2px 8px #0000000a}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{padding:20px}.stat-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:12px}.stat-value{font-size:28px;font-weight:700;color:var(--text-headline);line-height:1}.stat-label{font-size:13px;color:var(--text-muted);margin-top:4px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}thead th{text-align:left;padding:12px 16px;font-weight:600;color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}tbody td{padding:14px 16px;border-bottom:1px solid var(--border);color:var(--text-headline)}tbody tr:hover{background:var(--scaffold-bg)}tbody tr{cursor:pointer}.badge{display:inline-block;padding:3px 10px;border-radius:6px;font-size:11px;font-weight:700;text-transform:uppercase}.badge-pending{background:#f973161f;color:var(--orange)}.badge-in_progress{background:#3b82f61f;color:var(--blue)}.badge-completed{background:#16a34a1f;color:var(--green)}.badge-active{background:var(--green-light);color:var(--green)}.badge-inactive{background:#dc26261f;color:var(--red)}.badge-no-pin{background:var(--orange-light);color:var(--orange)}.badge-category{background:var(--blue-light);color:var(--blue)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:all .15s}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:#15803d}.btn-secondary{background:var(--dialog-bg);color:var(--text-headline)}.btn-secondary:hover{background:var(--surface-bg)}.btn-danger{background:var(--red);color:#fff}.btn-danger:hover{background:#b91c1c}.btn-ghost{background:none;color:var(--text-muted);padding:6px 12px}.btn-ghost:hover{color:var(--text-headline);background:var(--dialog-bg)}.btn-sm{padding:6px 14px;font-size:13px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text-headline);margin-bottom:6px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;color:var(--text-headline);background:#00000008;outline:none;transition:border .15s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px #16a34a1a}.form-group textarea{resize:vertical;min-height:80px}.form-check{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-headline);margin-bottom:16px}.form-check input{width:auto}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--dialog-bg);border-radius:var(--radius);padding:28px;min-width:420px;max-width:90vw;max-height:85vh;overflow-y:auto;box-shadow:0 20px 60px #00000026}.modal h2{font-size:20px;font-weight:700;color:var(--text-headline);margin-bottom:20px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:24px}.empty{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty .icon{font-size:48px;margin-bottom:16px;opacity:.5}.empty h3{font-size:16px;color:var(--text-muted);margin-bottom:8px}.empty p{font-size:14px}.loading{text-align:center;padding:60px;color:var(--text-muted)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--indigo-dusk)}.login-card{background:var(--card-bg);border-radius:var(--radius);padding:40px;width:400px;text-align:center}.login-card h1{font-size:24px;font-weight:700;color:var(--text-headline);margin-bottom:8px}.login-card p{color:var(--text-muted);margin-bottom:28px}.login-card .btn{width:100%;justify-content:center}.login-error{color:var(--red);font-size:13px;margin-bottom:16px}.login-pending{background:var(--orange-light);color:var(--orange);padding:16px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;margin-bottom:16px}.chat-layout{display:flex;height:calc(100vh - 96px);gap:16px}.chat-threads{width:320px;overflow-y:auto;border-right:1px solid var(--border);padding-right:16px}.chat-thread-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s}.chat-thread-item:hover,.chat-thread-item.active{background:var(--dialog-bg)}.chat-avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex-shrink:0}.chat-thread-info{flex:1;min-width:0}.chat-thread-name{font-weight:600;color:var(--text-headline);font-size:14px}.chat-thread-preview{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-unread{background:var(--green);color:#fff;font-size:11px;font-weight:700;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center}.chat-messages-area{flex:1;display:flex;flex-direction:column}.chat-messages-list{flex:1;overflow-y:auto;padding:16px 0}.chat-bubble{max-width:65%;padding:10px 16px;border-radius:16px;margin-bottom:8px;font-size:14px;line-height:1.4}.chat-bubble.me{background:var(--green);color:#fff;margin-left:auto;border-bottom-right-radius:4px}.chat-bubble.them{background:var(--dialog-bg);color:var(--text-headline);border-bottom-left-radius:4px}.chat-bubble .time{font-size:10px;opacity:.7;margin-top:4px}.chat-input-bar{display:flex;gap:10px;padding-top:12px;border-top:1px solid var(--border)}.chat-input-bar input{flex:1;padding:10px 16px;border:1px solid var(--border);border-radius:24px;font-size:14px;outline:none;background:#00000008}.chat-input-bar input:focus{border-color:var(--green)}.detail-section{margin-bottom:28px}.detail-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.detail-section-header h2{font-size:16px;font-weight:700;color:var(--text-headline)}.list-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border)}.list-item:last-child{border-bottom:none}.list-item-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.list-item-content{flex:1}.list-item-title{font-weight:600;color:var(--text-headline);font-size:14px}.list-item-sub{font-size:12px;color:var(--text-muted)}.tabs{display:flex;gap:4px;border-bottom:2px solid var(--border);margin-bottom:20px}.tab{padding:10px 20px;font-size:14px;font-weight:600;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s;background:none;border-left:none;border-right:none;border-top:none}.tab:hover{color:var(--text-headline)}.tab.active{color:var(--green);border-bottom-color:var(--green)}