*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;font-size:16px}body{background:var(--bg);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,textarea,select{font-family:inherit}ul,ol{list-style:none}img{max-width:100%;display:block}:root{--bg:#f4f5f8;--surface:#fff;--surface-hover:#f1f5f9;--border:#eef2f6;--border-focus:#2563eb;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--text-inverse:#fff;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-subtle:#eff6ff;--success:#15803d;--success-subtle:#dcfce7;--warning:#b45309;--warning-subtle:#fef3c7;--danger:#b91c1c;--danger-subtle:#fee2e2;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--shadow-sm:none;--shadow-md:none;--shadow-lg:none;--sidebar-w:220px;--topnav-h:56px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:99px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.text-xs{font-size:11px;line-height:1.4}.text-sm{font-size:13px;line-height:1.45}.text-base{font-size:15px;line-height:1.5}.text-lg{font-size:17px;line-height:1.4}.text-xl{font-size:20px;line-height:1.3}.text-2xl{font-size:24px;line-height:1.25}.text-3xl{font-size:30px;line-height:1.2}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-secondary{color:var(--text-secondary)}.text-tertiary{color:var(--text-tertiary)}.text-accent{color:var(--accent)}.text-success{color:var(--success)}.text-warning{color:var(--warning)}.text-danger{color:var(--danger)}
.app-shell{flex-direction:column;min-height:100vh;display:flex}.topnav{height:var(--topnav-h);-webkit-backdrop-filter:blur(16px);z-index:120;background:#fffffff5;border-bottom:1px solid #edf0f3;justify-content:space-between;align-items:center;gap:16px;padding:0 24px;display:flex;position:fixed;top:0;left:0;right:0}.topnav-left{flex-shrink:0;align-items:center;gap:14px;min-width:220px;display:flex}.topnav-logo{align-items:center;gap:10px;text-decoration:none;display:flex}.topnav-badge-cohort{color:#64748b;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:99px;padding:3px 9px;font-size:11px;font-weight:600}.topnav-center{flex:1;max-width:460px;margin:0 auto}.topnav-search-pill{background:#f8fafc;border:1px solid #e2e8f0;border-radius:99px;align-items:center;gap:8px;padding:6px 14px;transition:all .15s;display:flex}.topnav-search-pill:focus-within{background:#fff;border-color:#cbd5e1;box-shadow:0 0 0 3px #2563eb14}.topnav-search-icon{color:#94a3b8;flex-shrink:0}.topnav-search-input{color:#111827;background:0 0;border:none;outline:none;width:100%;font-size:12.5px}.topnav-search-input::placeholder{color:#9ca3af}.topnav-kbd{color:#94a3b8;background:#fff;border:1px solid #e2e8f0;border-radius:4px;padding:1px 5px;font-size:10px;font-weight:600;box-shadow:0 1px 2px #0000000a}.topnav-actions{align-items:center;gap:12px;display:flex}.topnav-target-pill{color:#15803d;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:99px;align-items:center;gap:6px;padding:4px 10px;font-size:11.5px;font-weight:600;display:inline-flex}.topnav-pulse-dot{background:#16a34a;border-radius:50%;width:6px;height:6px;animation:2s ease-in-out infinite pulse-subtle}@keyframes pulse-subtle{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.2)}}.topnav-start-mock-btn{color:#fff;background:#111827;border-radius:99px;align-items:center;gap:6px;padding:6px 14px;font-size:12px;font-weight:600;text-decoration:none;transition:all .12s;display:inline-flex;box-shadow:0 1px 3px #0000001a}.topnav-start-mock-btn:hover{background:#1f2937;transform:translateY(-1px)}
.topnav-icon-buttons{align-items:center;gap:6px;display:flex}.topnav-student-profile{cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:99px;align-items:center;gap:9px;padding:3px 10px 3px 4px;transition:all .12s;display:flex}.topnav-student-profile:hover{background:#f8fafc}.topnav-avatar-circle{color:#111827;background:#fed766;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:11px;font-weight:700;display:flex}.topnav-student-meta{flex-direction:column;line-height:1.1;display:flex}.topnav-student-name{color:#111827;font-size:12px;font-weight:700}.topnav-student-role{color:#64748b;font-size:10px;font-weight:500}.body-layout{margin-top:var(--topnav-h);min-height:calc(100vh - var(--topnav-h));background:var(--bg);display:flex}.batch-switcher-container{display:inline-flex;position:relative}.batch-switcher-btn{cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:99px;align-items:center;gap:10px;padding:4px 14px 4px 6px;font-family:inherit;transition:all .15s;display:inline-flex;box-shadow:0 1px 2px #0000000a}.batch-switcher-btn:hover{background:#f8fafc;border-color:#cbd5e1}.batch-switcher-btn:focus-visible{border-color:#2563eb;outline:none;box-shadow:0 0 0 3px #2563eb26}.batch-switcher-icon-circle{color:#2563eb;background:#eff6ff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;display:flex}.batch-switcher-text-wrap{text-align:left;flex-direction:column;align-items:flex-start;line-height:1.15;display:flex}.batch-switcher-label{color:#64748b;text-transform:uppercase;letter-spacing:.04em;font-size:9.5px;font-weight:700}.batch-switcher-name{color:#0f172a;text-overflow:ellipsis;white-space:nowrap;max-width:170px;font-size:13px;font-weight:600;overflow:hidden}.batch-switcher-chevron{color:#64748b;flex-shrink:0;transition:transform .2s}.batch-switcher-chevron.is-open{color:#0f172a;transform:rotate(180deg)}.batch-switcher-dropdown{z-index:1000;background:#fff;border:1px solid #e2e8f0;border-radius:14px;min-width:230px;padding:6px;animation:.12s ease-out dropdown-fade-in;position:absolute;top:calc(100% + 8px);left:auto;right:0;box-shadow:0 10px 25px -5px #0000001a,0 8px 10px -6px #0000000d}@keyframes dropdown-fade-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.batch-switcher-dropdown-header{color:#94a3af;text-transform:uppercase;letter-spacing:.05em;padding:6px 10px 4px;font-size:10px;font-weight:700}.batch-switcher-item{color:#334155;cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;justify-content:space-between;align-items:center;width:100%;padding:8px 10px;font-family:inherit;font-size:12.5px;font-weight:500;transition:all .12s;display:flex}.batch-switcher-item:hover{color:#0f172a;background:#f1f5f9}.batch-switcher-item.is-selected{color:#2563eb;background:#eff6ff;font-weight:700}
.sidebar{width:var(--sidebar-w);top:var(--topnav-h);border-right:1px solid var(--border);z-index:90;background:#fff;flex-direction:column;flex-shrink:0;gap:4px;padding:16px 12px;display:flex;position:fixed;bottom:0;left:0;overflow-y:auto}.nav-item{color:#64748b;cursor:pointer;text-align:left;border-radius:12px;align-items:center;gap:10px;width:100%;padding:10px 12px;font-size:13.5px;font-weight:500;transition:all .15s;display:flex}.nav-item:hover{color:#0f172a;background:#f1f5f9}.nav-item.active{color:#fff;background:#0f172a;font-weight:600;box-shadow:0 2px 6px #0f172a26}.nav-item.active svg{color:#fff}.nav-section-label{text-transform:uppercase;letter-spacing:.08em;color:#94a3b8;padding:12px 12px 6px;font-size:10px;font-weight:600}.sidebar-bottom{border-top:1px solid var(--border);flex-direction:column;gap:4px;margin-top:auto;padding-top:14px;display:flex}.main{margin-left:var(--sidebar-w);flex:1;max-width:1100px;padding:28px 32px}.page-header{margin-bottom:24px}.page-title{letter-spacing:-.02em;color:var(--text-primary);font-size:24px;font-weight:700}.page-subtitle{color:var(--text-secondary);margin-top:3px;font-size:13.5px}
.card{border:1px solid var(--border);border-radius:var(--radius-lg);background:#fff;padding:22px;transition:transform .15s;box-shadow:none!important}.card-sm{border-radius:var(--radius-md);padding:16px}.card-lg{border-radius:var(--radius-lg);padding:28px}.btn{border-radius:var(--radius-sm);white-space:nowrap;align-items:center;gap:6px;padding:7px 14px;font-size:13px;font-weight:500;transition:background .12s,color .12s,border-color .12s;display:inline-flex}.btn-primary{background:var(--accent);color:var(--text-inverse)}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--surface);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--surface-hover)}.btn-ghost{color:var(--text-secondary)}.btn-ghost:hover{background:var(--surface);color:var(--text-primary)}.btn-sm{padding:5px 10px;font-size:12px}.badge{border-radius:99px;align-items:center;gap:4px;padding:2px 8px;font-size:11px;font-weight:500;display:inline-flex}.badge-success{background:var(--success-subtle);color:var(--success)}.badge-warning{background:var(--warning-subtle);color:var(--warning)}.badge-danger{background:var(--danger-subtle);color:var(--danger)}.badge-neutral{background:var(--surface);color:var(--text-secondary)}.badge-accent{background:var(--accent-subtle);color:var(--accent)}.band-bar-track{background:var(--border);border-radius:99px;height:4px;overflow:hidden}.band-bar-fill{border-radius:99px;height:100%;transition:width .4s}.band-bar-fill.success{background:var(--success)}.band-bar-fill.warning{background:#f59e0b}.band-bar-fill.danger{background:var(--danger)}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}thead th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);border-bottom:1px solid var(--border);padding:0 12px 10px;font-size:11px;font-weight:600}tbody tr{border-bottom:1px solid var(--border);transition:background .1s}tbody tr:last-child{border-bottom:none}tbody tr:hover{background:var(--surface)}tbody td{color:var(--text-primary);vertical-align:middle;padding:12px}.divider{background:var(--border);height:1px;margin:20px 0}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-4{gap:4px}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-20{gap:20px}.gap-24{gap:24px}.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}.mt-24{margin-top:24px}.w-full{width:100%}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}