:root{--bg-main:#f8fafc;--sidebar-bg:#0f172a;--text-main:#1e293b;--accent:#f97316;--success:#10b981;--info:#3b82f6;--card-bg:#fff;--border:#e2e8f0}body{background:var(--bg-main);color:var(--text-main);font-family:Inter,system-ui,sans-serif}.dashboard-container{h-screen:100vh;height:100vh;display:flex}.sidebar{background:var(--sidebar-bg);color:#fff;flex-direction:column;width:260px;padding:1.5rem;display:flex}.logo-area{border-bottom:1px solid #1e293b;align-items:center;gap:12px;padding-bottom:2rem;font-size:1.2rem;font-weight:800;display:flex}.nav-list{flex:1;margin-top:2rem;list-style:none}.nav-item{color:#94a3b8;cursor:pointer;background:0 0;border:none;border-radius:12px;justify-content:space-between;align-items:center;width:100%;margin-bottom:8px;padding:12px 16px;transition:all .2s;display:flex}.nav-item:hover:not(.active){color:#fff;background:#1e293b}.main-content{flex:1;padding:2.5rem;overflow-y:auto}.header{justify-content:space-between;align-items:flex-start;margin-bottom:2rem;display:flex}.header h2{font-size:2rem;font-weight:900}.teacher-badge{border:1px solid var(--border);background:#fff;border-radius:20px;align-items:center;gap:15px;padding:8px 20px 8px 8px;display:flex}.teacher-img{object-fit:cover;border-radius:14px;width:55px;height:55px}.kpi-grid{grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:2rem;display:grid}.kpi-card{border:1px solid var(--border);background:#fff;border-radius:24px;padding:24px;box-shadow:0 1px 3px #0000000d}.kpi-label{color:#64748b;margin-bottom:4px;font-size:.85rem;font-weight:600}.kpi-value{font-size:1.5rem;font-weight:800}.visuals-grid{grid-template-columns:1.5fr 1fr;gap:30px;display:grid}.panel{border:1px solid var(--border);background:#fff;border-radius:30px;padding:2rem}.transcript-container{height:450px;margin-top:1rem;padding-right:10px;overflow-y:auto}.segment-card{border:1px solid var(--border);border-radius:16px;margin-bottom:12px;padding:15px;font-size:.9rem}.segment-question{background:#eff6ff;border-color:#dbeafe}.segment-student{background:#ecfdf5;border-color:#d1fae5}.segment-header{color:#94a3b8;letter-spacing:.5px;justify-content:space-between;margin-bottom:6px;font-size:.7rem;font-weight:800;display:flex}:root{--bg-main:#f8fafc;--sidebar-bg:#0f172a;--accent:#f97316;--primary:#3b82f6;--secondary:#10b981;--border:#e2e8f0}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-main);height:100vh;font-family:Inter,sans-serif;overflow:hidden}.dashboard-container{width:100vw;height:100vh;display:flex}.sidebar{background:var(--sidebar-bg);color:#fff;border-right:1px solid #1e293b;flex-shrink:0;width:240px;padding:2rem 1.2rem}.sidebar-header{letter-spacing:1px;align-items:center;gap:10px;font-size:1.1rem;font-weight:900;display:flex}.nav-item{color:#64748b;cursor:pointer;text-align:left;background:0 0;border:none;border-radius:12px;width:100%;margin-bottom:8px;padding:14px 16px;font-weight:600;transition:all .2s}.nav-item.active{background:var(--accent);color:#fff;box-shadow:0 10px 15px -3px #f973164d}.main-content{flex-direction:column;flex:1;padding:2rem;display:flex;overflow-y:auto}.session-hero{border:1px solid var(--border);background:#fff;border-radius:28px;flex-shrink:0;grid-template-columns:280px 1fr;gap:2rem;margin-bottom:1.5rem;padding:1.5rem;display:grid;box-shadow:0 4px 6px -1px #00000005}.hero-image{object-fit:cover;border-radius:18px;width:100%;height:200px}.hero-top-bar{justify-content:space-between;align-items:center;display:flex}.badge{color:#475569;letter-spacing:.5px;background:#f1f5f9;border-radius:6px;padding:4px 10px;font-size:.65rem;font-weight:800}.btn-secondary{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:8px;padding:6px 12px;font-size:.75rem;font-weight:700;transition:all .2s}.btn-secondary:hover{background:#f8fafc}.distribution-meter{border-top:1px solid #f1f5f9;margin-top:20px;padding-top:15px}.meter-labels{color:#94a3b8;justify-content:space-between;margin-bottom:8px;font-size:.65rem;font-weight:900;display:flex}.meter-track{background:#f1f5f9;border-radius:4px;height:8px;display:flex;overflow:hidden}.meter-fill-primary{background:var(--primary);transition:all .5s}.meter-fill-secondary{background:var(--secondary);transition:all .5s}.meter-values{justify-content:space-between;margin-top:5px;font-size:.75rem;font-weight:900;display:flex}.kpi-grid{flex-shrink:0;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem;display:grid}.kpi-card{border:1px solid var(--border);text-align:center;background:#fff;border-radius:20px;padding:1.2rem}.kpi-val{color:#0f172a;margin-top:5px;font-size:1.8rem;font-weight:900}.kpi-label{color:#94a3b8;letter-spacing:1px;font-size:.65rem;font-weight:800}.data-grid{flex:1;grid-template-columns:380px 1fr;gap:1.5rem;min-height:0;display:grid}.panel{border:1px solid var(--border);background:#fff;border-radius:24px;flex-direction:column;padding:1.5rem;display:flex}.panel-title{color:#1e293b;font-size:.9rem;font-weight:900}.transcript-box{flex:1;margin-top:1rem;padding-right:10px;overflow-y:auto}.log-entry{background:#fbfcfd;border:1px solid #f1f5f9;border-radius:14px;margin-bottom:10px;padding:12px}.entry-header{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.entry-tag{border-radius:5px;padding:3px 8px;font-size:.6rem;font-weight:900}.tag-q{color:#2563eb;background:#dbeafe}.tag-s{color:#059669;background:#d1fae5}.tag-l{color:#64748b;background:#f1f5f9}.entry-time{color:#cbd5e1;font-size:.65rem;font-weight:700}.entry-text{color:#334155;font-size:.85rem;line-height:1.5}.loading-state{color:#94a3b8;letter-spacing:2px;background:#0f172a;flex-direction:column;justify-content:center;align-items:center;width:100vw;height:100vh;font-size:.8rem;font-weight:900;display:flex}.spinner{border:3px solid #1e293b;border-top-color:var(--accent);border-radius:50%;width:30px;height:30px;margin-bottom:15px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media print{.no-print,.sidebar{display:none!important}.main-content{width:100%!important;padding:0!important;overflow:visible!important}.data-grid{width:100%!important;display:block!important}.panel{break-inside:avoid;margin-bottom:25px;width:100%!important}.transcript-box{grid-template-columns:1fr 1fr;gap:10px;display:grid;height:auto!important;overflow:visible!important}body{background:#fff!important;overflow:visible!important}.dashboard-container{height:auto!important;display:block!important}}