:root{--bg: #0A0F1C;--surface: #111827;--card: #1A2236;--card-hover: #1E2A42;--border: #2A3550;--text: #F1F5F9;--muted: #64748B;--accent: #0EA5E9;--accent-dark: #0284C7;--green: #10B981;--purple: #7C3AED;--amber: #F59E0B;--red: #EF4444}[data-theme=light]{--bg: #F8FAFC;--surface: #FFFFFF;--card: #FFFFFF;--card-hover: #F1F5F9;--border: #E2E8F0;--text: #0F172A;--muted: #64748B;--accent: #0284C7;--accent-dark: #0369A1;--green: #059669;--purple: #6D28D9;--amber: #D97706;--red: #DC2626}*{margin:0;padding:0;box-sizing:border-box}body{font-family:DM Sans,-apple-system,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}a{color:var(--accent);text-decoration:none}.container{max-width:960px;margin:0 auto;padding:0 24px}.page{padding-top:32px;padding-bottom:64px}.nav{border-bottom:1px solid var(--border);background:var(--surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:50}.nav-inner{max-width:960px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:56px}.nav-brand{font-weight:800;font-size:16px;letter-spacing:-.5px}.nav-tabs{display:flex;gap:4px}.nav-tab{background:transparent;color:var(--muted);border:none;border-radius:6px;padding:6px 14px;font-size:13px;font-weight:500;cursor:pointer;font-family:inherit;transition:all .15s}.nav-tab:hover{color:var(--text)}.nav-tab.active{background:#0ea5e91f;color:var(--accent)}.nav-right{display:flex;align-items:center;gap:10px}.nav-dot{width:8px;height:8px;border-radius:4px;background:var(--green)}.nav-status{font-size:12px;color:var(--muted)}.nav-avatar{width:32px;height:32px;border-radius:16px;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;transition:all .2s}.card:hover{border-color:#0ea5e94d}.card-grid{display:grid;gap:12px}.card-grid-4{grid-template-columns:repeat(4,1fr)}.card-grid-3{grid-template-columns:repeat(3,1fr)}.card-grid-2{grid-template-columns:repeat(2,1fr)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;border:none;font-family:inherit;transition:all .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark)}.btn-primary:disabled{background:var(--border);color:var(--muted);cursor:not-allowed}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--accent)}.btn-danger{background:transparent;border:1px solid rgba(239,68,68,.3);color:var(--red)}.btn-sm{padding:6px 14px;font-size:12px}.btn-full{width:100%}.h1{font-size:28px;font-weight:700;letter-spacing:-.5px}.h2{font-size:18px;font-weight:700}.h3{font-size:15px;font-weight:600}.subtitle{color:var(--muted);font-size:15px;margin-top:4px}.label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}.stat-value{font-size:28px;font-weight:800;letter-spacing:-1px;margin-top:8px}.stat-sub{font-size:12px;color:var(--muted);margin-top:4px}.badge{display:inline-flex;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.5px}.progress{background:var(--border);border-radius:4px;height:6px;overflow:hidden}.progress-fill{background:var(--accent);height:100%;border-radius:4px;transition:width .6s}.toggle{display:flex;align-items:center;gap:10px;cursor:pointer}.toggle-track{width:40px;height:22px;border-radius:11px;position:relative;transition:all .2s}.toggle-track.on{background:var(--accent)}.toggle-track.off{background:var(--border)}.toggle-thumb{width:18px;height:18px;border-radius:9px;background:#fff;position:absolute;top:2px;transition:all .2s}.toggle-track.on .toggle-thumb{left:20px}.toggle-track.off .toggle-thumb{left:2px}.toggle-label{font-size:13px;color:var(--muted)}.option{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px 16px;cursor:pointer;display:flex;align-items:center;gap:12px;transition:all .15s}.option:hover{border-color:var(--accent)}.option.selected{background:#0ea5e914;border-color:var(--accent)}.option-radio{width:20px;height:20px;border-radius:10px;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}.option.selected .option-radio{border-color:var(--accent);background:var(--accent)}.option-check{color:#fff;font-size:12px;font-weight:700}.option-checkbox{border-radius:4px}.steps{display:flex;gap:6px;margin-bottom:24px}.step{height:3px;flex:1;border-radius:2px;transition:all .3s}.step.done{background:var(--accent)}.step.pending{background:var(--border)}.activity-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.activity-item:last-child{border-bottom:none}.activity-dot{width:6px;height:6px;border-radius:3px;flex-shrink:0}.activity-text{flex:1;font-size:13px}.activity-tool{font-size:11px;color:var(--muted);margin-top:2px}.activity-time{font-size:11px;color:var(--muted);flex-shrink:0}.pref-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;cursor:pointer}.pref-category{display:flex;align-items:center;gap:12px}.pref-dot{width:10px;height:10px;border-radius:5px}.pref-expand{color:var(--muted);font-size:18px;transition:transform .2s}.pref-expand.open{transform:rotate(180deg)}.pref-items{border-top:1px solid var(--border)}.pref-item{display:flex;align-items:center;gap:16px;padding:14px 20px;border-bottom:1px solid var(--border)}.pref-item:last-child{border-bottom:none}.pref-detail{flex:1}.pref-value{font-size:14px;font-weight:500;margin-bottom:4px}.pref-source{font-size:11px;color:var(--muted)}.pref-confidence{text-align:right;flex-shrink:0}.pref-conf-num{font-size:13px;font-weight:600}.pref-conf-label{font-size:10px;color:var(--muted)}.welcome{min-height:100vh;display:flex;align-items:center;justify-content:center}.welcome-inner{text-align:center;max-width:480px}.welcome-title{font-size:28px;font-weight:800;letter-spacing:-1px;margin-bottom:4px}.welcome-headline{font-size:42px;font-weight:800;letter-spacing:-1.5px;margin-bottom:8px;line-height:1.1}.welcome-sub{color:var(--muted);font-size:16px;line-height:1.6;margin-bottom:32px}.welcome-buttons{display:flex;flex-direction:column;gap:12px;align-items:center}.welcome-fine{color:var(--muted);font-size:11px;margin-top:24px;line-height:1.5}.conn-card{display:flex;gap:16px;align-items:flex-start}.conn-num{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;flex-shrink:0}.conn-detail{flex:1}@media (max-width: 768px){.card-grid-4{grid-template-columns:repeat(2,1fr)}.card-grid-3{grid-template-columns:1fr}.welcome-headline{font-size:32px}}