:root{--bg-app:#f8fafc;--bg-card:#fff;--bg-subtle:#f1f5f9;--bg-hover:#e2e8f0;--border-light:#e2e8f0;--border-medium:#cbd5e1;--text-primary:#0f172a;--text-secondary:#334155;--text-muted:#64748b;--text-light:#94a3b8;--primary:#0284c7;--primary-hover:#0369a1;--primary-light:#e0f2fe;--accent-green:#0d9488;--accent-green-light:#ccfbf1;--accent-amber:#d97706;--accent-amber-light:#fef3c7;--accent-red:#e11d48;--accent-red-light:#ffe4e6;--shadow-sm:0 1px 2px 0 #0000000a;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #0000000d, 0 4px 6px -4px #0000000d;--radius-sm:6px;--radius-md:10px;--radius-lg:14px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.5}button,input,select,textarea{font-family:inherit}.app-container{background-color:var(--bg-app);flex-direction:column;min-height:100vh;display:flex}.main-layout{flex:1;display:flex}.content-area{flex:1;width:100%;max-width:1680px;margin:0 auto;padding:24px}.navbar{background:var(--bg-card);border-bottom:1px solid var(--border-light);z-index:50;height:64px;box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:0 28px;display:flex;position:sticky;top:0}.navbar-brand{align-items:center;gap:12px;display:flex}.navbar-logo-badge{border-radius:var(--radius-md);color:#fff;background:linear-gradient(135deg,#0284c7 0%,#0d9488 100%);justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;font-weight:700;display:flex;box-shadow:0 2px 8px #0284c74d}.navbar-title{color:var(--text-primary);letter-spacing:-.02em;font-size:18px;font-weight:700}.navbar-tag{background:var(--primary-light);color:var(--primary);border:1px solid #0284c733;border-radius:9999px;padding:2px 8px;font-size:12px;font-weight:600}.navbar-actions{align-items:center;gap:20px;display:flex}.institution-pill{background:var(--bg-subtle);border:1px solid var(--border-light);color:var(--text-secondary);border-radius:9999px;align-items:center;gap:6px;padding:6px 14px;font-size:13px;display:flex}.live-indicator{background:#10b981;border-radius:50%;width:8px;height:8px;display:inline-block;box-shadow:0 0 0 3px #10b98133}.user-badge{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:9999px;align-items:center;gap:10px;padding:4px 10px 4px 4px;display:flex}.user-avatar{color:#fff;background:#0284c7;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-size:13px;font-weight:600;display:flex}.sidebar{background:var(--bg-card);border-right:1px solid var(--border-light);flex-direction:column;flex-shrink:0;gap:6px;width:240px;padding:20px 12px;display:flex}.nav-item{border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:10px 14px;font-size:14px;font-weight:500;transition:all .15s ease-in-out;display:flex}.nav-item:hover{background:var(--bg-subtle);color:var(--primary)}.nav-item.active{background:var(--primary-light);color:var(--primary);font-weight:600}.nav-item.active svg{color:var(--primary)}.footer{text-align:center;color:var(--text-light);background:var(--bg-card);border-top:1px solid var(--border-light);margin-top:auto;padding:18px 24px;font-size:12px}.card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px;transition:box-shadow .2s}.card:hover{box-shadow:var(--shadow-md)}.card-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.card-title{color:var(--text-primary);align-items:center;gap:8px;font-size:16px;font-weight:600;display:flex}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:flex-start;padding:18px 20px;display:flex}.stat-label{color:var(--text-muted);margin-bottom:6px;font-size:13px;font-weight:500}.stat-value{color:var(--text-primary);font-size:26px;font-weight:700;line-height:1.2}.stat-unit{color:var(--text-muted);margin-left:4px;font-size:13px;font-weight:400}.stat-sub{align-items:center;gap:4px;margin-top:8px;font-size:12px;display:flex}.badge{border-radius:9999px;align-items:center;gap:4px;padding:3px 8px;font-size:12px;font-weight:500;display:inline-flex}.badge-green{background:var(--accent-green-light);color:#0f766e}.badge-blue{background:var(--primary-light);color:var(--primary)}.badge-amber{background:var(--accent-amber-light);color:#b45309}.badge-red{background:var(--accent-red-light);color:#be123c}.badge-gray{background:var(--bg-subtle);color:var(--text-muted)}.table-container{border-radius:var(--radius-md);border:1px solid var(--border-light);overflow-x:auto}table{border-collapse:collapse;text-align:left;width:100%;font-size:13px}th{background:var(--bg-subtle);color:var(--text-secondary);border-bottom:1px solid var(--border-light);padding:12px 16px;font-weight:600}td{border-bottom:1px solid var(--border-light);color:var(--text-secondary);padding:13px 16px}tr:last-child td{border-bottom:none}tr:hover td{background:#f8fafc}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:8px 16px;font-size:13px;font-weight:600;transition:all .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--bg-subtle);color:var(--text-secondary);border:1px solid var(--border-light)}.btn-secondary:hover{background:var(--bg-hover)}.btn-sm{padding:4px 10px;font-size:12px}.btn-danger{background:var(--accent-red-light);color:var(--accent-red)}.btn-danger:hover{background:#fecdd3}.tabs-header{border-bottom:1px solid var(--border-light);gap:8px;margin-bottom:20px;padding-bottom:2px;display:flex}.tab-btn{border-radius:var(--radius-md) var(--radius-md) 0 0;color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:8px 16px;font-size:14px;font-weight:500;transition:all .15s}.tab-btn:hover{color:var(--primary)}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#0f172a66;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-light);width:100%;max-width:580px;box-shadow:var(--shadow-lg);overflow:hidden}.modal-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.modal-title{color:var(--text-primary);font-size:17px;font-weight:600}.modal-body{flex-direction:column;gap:16px;max-height:75vh;padding:24px;display:flex;overflow-y:auto}.modal-footer{border-top:1px solid var(--border-light);background:var(--bg-subtle);justify-content:flex-end;align-items:center;gap:12px;padding:16px 24px;display:flex}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--text-secondary);font-size:13px;font-weight:500}.form-input,.form-select,.form-textarea{border-radius:var(--radius-md);border:1px solid var(--border-light);color:var(--text-primary);background:#fff;outline:none;padding:9px 12px;font-size:13px;transition:border-color .15s}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #0284c726}.progress-bar-bg{background:var(--bg-subtle);border-radius:9999px;width:100%;height:8px;overflow:hidden}.progress-bar-fill{border-radius:9999px;height:100%;transition:width .3s}.target-badge-pill{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:9999px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:600;display:inline-flex}.session-loading{min-height:100vh;color:var(--text-secondary);place-items:center;font-size:14px;display:grid}