:root{--bg:#f4f6f8;--panel:#fff;--panel2:#f7f8fa;--line:#e4e8ee;--text:#172033;--muted:#748094;--accent:#2563eb;--accent2:#7c3aed;--user:#edf4ff}*{box-sizing:border-box}html,body{width:100%;height:100%}body.dashboard-page{margin:0;overflow:hidden;background:var(--bg);color:var(--text)}.dashboard-shell{width:100vw;height:100vh;display:grid;grid-template-columns:250px minmax(340px,420px) minmax(520px,1fr);padding:0;margin:0;max-width:none}.control-sidebar{min-height:0;overflow-y:auto;padding:18px 16px;background:#fff;border-right:1px solid var(--line)}.sidebar-brand{height:48px;display:flex;align-items:center;gap:11px}.sidebar-brand .brand-mark{width:36px;height:36px;border-radius:10px}.sidebar-brand strong,.sidebar-brand small{display:block}.sidebar-brand strong{font-size:14px}.sidebar-brand small{font-size:10px;margin-top:1px}.load-status{display:flex;align-items:center;gap:8px;margin:16px 0 10px;padding:9px 11px;border-radius:9px;background:#f0fdf4;color:#15803d;font-size:12px;font-weight:600}.load-status i{width:7px;height:7px;border-radius:50%;background:#22c55e}.sidebar-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.sidebar-stats article{min-width:0;padding:9px 8px;border:1px solid var(--line);border-radius:9px;background:var(--panel2)}.sidebar-stats span,.sidebar-stats strong{display:block}.sidebar-stats span{color:var(--muted);font-size:9px;white-space:nowrap}.sidebar-stats strong{margin-top:2px;font-size:18px}.sidebar-actions{display:grid;gap:7px;margin-top:12px}.sidebar-actions a{display:flex;align-items:center;gap:9px;padding:10px 11px;border-radius:9px;color:var(--text);text-decoration:none;font-weight:600;background:#f7f8fa;border:1px solid var(--line)}.sidebar-actions a:first-child{background:#2563eb;color:#fff;border-color:#2563eb}.sidebar-actions span{width:18px;text-align:center}.sidebar-divider{height:1px;background:var(--line);margin:16px 0}.control-sidebar .filters{padding:0;border:0}.control-sidebar .panel-title h2{margin:2px 0 10px;font-size:16px}.control-sidebar .filters label{margin:13px 0}.control-sidebar .filters input,.control-sidebar .filters select{background:#fff}.conversation-list{min-height:0;overflow-y:auto;background:#fff;border-right:1px solid var(--line)}.list-heading{padding:17px 18px;background:#fff}.list-heading h2{font-size:17px}.conversation-card{padding:15px 18px}.conversation-card:hover,.conversation-card.active{background:#f6f8fb}.conversation-card.active{box-shadow:inset 3px 0 #2563eb}.model-icon{background:#eaf1ff;color:#2563eb}.meta em,.meta i{background:#f0f2f5}.meta em{color:#2563eb}.detail{min-height:0;overflow-y:auto;background:#f7f8fa}.conversation-detail>header{padding:17px 24px;background:rgba(255,255,255,.94)}.message-stream{padding:24px}.bubble{background:#fff;box-shadow:0 1px 2px rgba(15,23,42,.03)}.role-user .bubble{background:#edf4ff}.role-user .avatar{background:#dbeafe;color:#2563eb}.role-assistant .avatar{background:#dcfce7;color:#16803c}@media(max-width:980px){.dashboard-shell{grid-template-columns:220px 340px minmax(440px,1fr);overflow:auto}}@media(max-width:760px){body.dashboard-page{overflow:auto}.dashboard-shell{display:block;width:100%;height:auto}.control-sidebar{border-bottom:1px solid var(--line)}.conversation-list{height:430px;border-right:0}.detail{overflow:visible}.sidebar-stats{grid-template-columns:repeat(3,1fr)}}