.toast-stack{position:fixed;bottom:1.25rem;right:1.25rem;z-index:1000;display:flex;flex-direction:column;gap:.65rem;max-width:min(22rem,calc(100vw - 2rem));pointer-events:none}.toast{display:flex;align-items:flex-start;gap:.75rem;padding:.85rem .9rem;border-radius:10px;border:1px solid var(--border);background:var(--bg-card);color:var(--text);box-shadow:0 8px 32px #00000073;pointer-events:auto;animation:toast-in .2s ease-out}.toast-error{border-color:#e76f518c;box-shadow:0 8px 32px #e76f511f}.toast-success{border-color:#52b7888c}.toast-message{flex:1;font-size:.92rem;line-height:1.45}.toast-dismiss{flex-shrink:0;border:none;background:transparent;color:var(--muted);font-size:1.25rem;line-height:1;padding:0;cursor:pointer}.toast-dismiss:hover{color:var(--text)}@keyframes toast-in{0%{opacity:0;transform:translateY(.5rem)}to{opacity:1;transform:translateY(0)}}@media (max-width: 720px){.toast-stack{left:1rem;right:1rem;bottom:1rem;max-width:none}}.layout{min-height:100vh;display:flex;flex-direction:column}.header{display:flex;align-items:center;gap:2rem;padding:1rem 2rem;border-bottom:1px solid var(--border);background:#0a120cd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.25rem;color:var(--text);text-decoration:none}.brand-icon{font-size:1.5rem}nav{display:flex;gap:.5rem;flex:1;min-width:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}nav::-webkit-scrollbar{display:none}nav a,nav .nav-link{color:var(--muted);text-decoration:none;padding:.35rem .75rem;border-radius:6px;transition:color .15s,background .15s;white-space:nowrap;flex-shrink:0}.nav-link{display:inline-flex;align-items:center;gap:.4rem}.nav-active-dot{width:8px;height:8px;border-radius:50%;background:#ef4444;box-shadow:0 0 #ef444499;animation:nav-dot-pulse 1.8s ease-in-out infinite;flex-shrink:0}@keyframes nav-dot-pulse{0%,to{opacity:1;box-shadow:0 0 #ef44448c}50%{opacity:.85;box-shadow:0 0 0 6px #ef444400}}nav a:hover,nav a.active,nav .nav-link:hover,nav .nav-link.active{color:var(--text);background:var(--glow)}.user-bar{display:flex;align-items:center;gap:1rem}.username{font-family:JetBrains Mono,monospace;font-size:.85rem;color:var(--muted)}.main{flex:1;padding:2rem;max-width:1100px;margin:0 auto;width:100%}.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.muted{color:var(--muted)}.page-title{font-size:1.75rem;margin:0 0 .5rem}.page-subtitle{color:var(--muted);margin:0 0 2rem}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;box-shadow:0 4px 24px #00000040}.btn{background:var(--accent);color:#0a120c;border:none;padding:.6rem 1.25rem;border-radius:8px;font-weight:600;transition:background .15s,transform .1s}.btn:hover:not(:disabled){background:#74c69d}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--muted);padding:.4rem .9rem;border-radius:8px}.btn-ghost:hover{border-color:var(--accent);color:var(--text)}.btn-outline{display:inline-block;background:transparent;border:1px solid var(--accent);color:var(--accent);padding:.6rem 1.25rem;border-radius:8px;font-weight:600;text-decoration:none;text-align:center}.btn-outline:hover{background:#52b7881f}.btn-danger{background:var(--danger);color:#fff;border:none;padding:.6rem 1.25rem;border-radius:8px;font-weight:600}.input-group{display:flex;flex-direction:column;gap:.35rem;margin-bottom:1rem}.input-group label{font-size:.85rem;color:var(--muted)}.input-group input{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:.65rem .85rem;color:var(--text);font-size:.95rem}.input-group input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--glow)}.error{color:var(--danger);font-size:.9rem;margin-top:.5rem}.success{color:var(--accent);font-size:.9rem;margin-top:.5rem}.badge-done{background:#1b4332}.completed{border-color:var(--accent-dim);opacity:.85}.flag-submit{display:flex;gap:.75rem;margin-top:1rem;flex-wrap:wrap}.flag-submit input{flex:1;min-width:200px;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:.6rem .85rem;color:var(--text);font-family:JetBrains Mono,monospace}.admin-grid{display:grid;gap:1.5rem;grid-template-columns:1fr 1.5fr}@media (max-width: 800px){.admin-grid{grid-template-columns:1fr}}.checkbox-label{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem;color:var(--muted);font-size:.9rem}.user-table{width:100%;border-collapse:collapse;margin-top:1rem;font-size:.9rem}.user-table th,.user-table td{text-align:left;padding:.6rem .5rem;border-bottom:1px solid var(--border)}.user-table th{color:var(--muted);font-weight:600}.lab-catalog-table .catalog-input{width:100%;min-width:5rem;padding:.35rem .5rem;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text);font-size:.85rem}.lab-catalog-table .catalog-input:focus{outline:none;border-color:var(--accent)}.lab-order-cell{white-space:nowrap}.lab-order-cell .btn-compact{min-width:2rem;padding:.2rem .35rem}.progress-matrix{display:flex;flex-direction:column;gap:1rem;margin-top:1rem}.progress-row{padding:.85rem 0;border-bottom:1px solid var(--border)}.progress-row:last-child{border-bottom:none}.progress-user{display:flex;gap:1rem;align-items:baseline;margin-bottom:.5rem}.progress-chips{display:flex;flex-wrap:wrap;gap:.4rem}.progress-chip{font-size:.8rem;padding:.2rem .55rem;border-radius:6px;background:var(--bg);border:1px solid var(--border);color:var(--muted)}.progress-chip.done{border-color:var(--accent-dim);color:var(--accent)}.progress-chip.clickable{cursor:pointer;font:inherit}.progress-chip.clickable:hover{border-color:var(--danger, #c44);color:var(--danger, #c44)}.btn-compact{font-size:.75rem;padding:.15rem .5rem;margin-left:auto}.connection-card{margin-bottom:1.5rem;border-color:var(--accent-dim)}.connection-block{background:var(--bg);padding:1rem;border-radius:8px;overflow-x:auto;font-family:JetBrains Mono,monospace;font-size:.9rem}.connection-pass code{font-family:JetBrains Mono,monospace;color:var(--accent)}.connection-inline{margin:1rem 0;font-size:.9rem}.connection-inline code{display:block;margin-top:.35rem;font-family:JetBrains Mono,monospace;font-size:.85rem;color:var(--accent)}.badge{display:inline-block;font-size:.75rem;font-weight:600;padding:.2rem .55rem;border-radius:999px;background:var(--accent-dim);color:var(--text)}.lab-grid{display:grid;gap:1.25rem}.lab-card h3{margin:.5rem 0 .35rem}.lab-card-top{display:flex;justify-content:space-between;align-items:center;gap:.5rem;flex-wrap:wrap}.lab-tag{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--accent);background:#64ffda14;border:1px solid rgba(100,255,218,.25);padding:.15rem .45rem;border-radius:4px;font-family:JetBrains Mono,monospace}.lab-duration{font-size:.8rem;color:var(--muted);font-family:JetBrains Mono,monospace}.lab-desc{color:var(--text);line-height:1.55;margin:0 0 .75rem}.lab-hint-area{margin-bottom:1.25rem}.lab-hint{font-size:.85rem;color:var(--muted);font-style:italic;margin:0;padding-left:.75rem;border-left:2px solid var(--border)}.btn-hint{background:transparent;border:1px dashed var(--border);color:var(--muted);padding:.35rem .75rem;border-radius:6px;font-size:.85rem;cursor:pointer}.btn-hint:hover{border-color:var(--accent);color:var(--text)}.lab-card p{color:var(--muted);line-height:1.5}.objectives{margin:1rem 0;padding-left:1.25rem;color:var(--muted)}.objectives li{margin-bottom:.35rem}.active-lab{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent-dim),0 8px 32px var(--glow)}.active-lab-actions{display:flex;gap:1rem;margin-top:1rem;flex-wrap:wrap}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}.login-card{width:100%;max-width:400px}.login-card h1{margin:0 0 .25rem;font-size:1.75rem}.login-card .subtitle{color:var(--muted);margin-bottom:1.5rem}@media (max-width: 720px){.header{flex-wrap:wrap;gap:.75rem 1rem;padding:.75rem 1rem}.brand{font-size:1.1rem}nav{order:3;flex:1 1 100%;margin:0 -.25rem;padding:0 .25rem}.user-bar{margin-left:auto;gap:.5rem}.username{display:none}.main{padding:1.25rem 1rem}.page-title{font-size:1.45rem}.page-subtitle{margin-bottom:1.25rem;font-size:.95rem}.card{padding:1.1rem}.lab-card>.btn,.active-lab-actions .btn,.active-lab-actions .btn-outline,.active-lab-actions .btn-danger,.flag-submit .btn{width:100%;text-align:center}.active-lab-actions,.flag-submit{flex-direction:column}.flag-submit input{min-width:0;width:100%}.connection-block{font-size:.8rem;word-break:break-all;white-space:pre-wrap}.lab-card-top{font-size:.9rem}}@media (max-width: 400px){.btn-ghost{padding:.4rem .65rem;font-size:.85rem}}:root{--bg: #0a120c;--bg-card: #111d14;--border: #1f3d28;--text: #d8f3dc;--muted: #7cb892;--accent: #52b788;--accent-dim: #2d6a4f;--danger: #e76f51;--glow: rgba(82, 183, 136, .15)}*{box-sizing:border-box}html{height:100%;background-color:var(--bg)}body{margin:0;min-height:100%;font-family:Outfit,system-ui,sans-serif;background-color:var(--bg);background-image:radial-gradient(ellipse at top,#132218 0%,var(--bg) 60%);background-attachment:fixed;color:var(--text);overscroll-behavior:none}#root{min-height:100%;background-color:var(--bg)}a{color:var(--accent)}button{font-family:inherit;cursor:pointer}input{font-family:JetBrains Mono,monospace}