:root{--bg-app:#f4f6f9;--bg-sidebar:#0c1222;--bg-card:#ffffff;--bg-elevated:#151d30;--text-primary:#0f172a;--text-secondary:#64748b;--text-inverse:#e2e8f0;--text-muted:#94a3b8;--accent:#0ea5e9;--accent-hover:#0284c7;--accent-soft:#e0f2fe;--border:#e2e8f0;--danger:#ef4444;--radius:12px;--shadow:0 1px 3px rgb(15 23 42/8%),0 8px 24px rgb(15 23 42/6%);--font:"Segoe UI",system-ui,-apple-system,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body,html{min-height:100%}body{font-family:var(--font);background:var(--bg-app);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}.loading-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;color:var(--text-secondary)}.spinner{width:2rem;height:2rem;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.login-page{min-height:100vh;display:grid;place-items:center;padding:2rem;background:radial-gradient(circle at 20% 20%,rgb(14 165 233/12%),transparent 40%),radial-gradient(circle at 80% 0,rgb(99 102 241/10%),transparent 35%),var(--bg-app)}.login-card{width:min(100%,420px);background:var(--bg-card);border:1px solid var(--border);border-radius:calc(var(--radius) + 4px);box-shadow:var(--shadow);padding:2rem}.login-brand{display:flex;align-items:center;gap:.75rem;margin-bottom:1.5rem}.login-brand-mark{width:2.5rem;height:2.5rem;border-radius:10px;background:linear-gradient(135deg,#0ea5e9,#6366f1);display:grid;place-items:center;color:white;font-weight:700;font-size:1.1rem}.login-brand h1{font-size:1.25rem;font-weight:700}.login-brand p{font-size:.85rem;color:var(--text-secondary)}.login-form{display:flex;flex-direction:column;gap:1rem}.field label{display:block;font-size:.875rem;font-weight:600;margin-bottom:.35rem}.field input{width:100%;padding:.7rem .85rem;border:1px solid var(--border);border-radius:8px;background:#fff;transition:border-color .15s}.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1rem;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--accent);color:white}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.error-banner{padding:.75rem 1rem;border-radius:8px;background:#fef2f2;color:#b91c1c;font-size:.875rem;border:1px solid #fecaca}.login-hint{margin-top:1.25rem;padding-top:1.25rem;border-top:1px solid var(--border);font-size:.8rem;color:var(--text-secondary)}.login-hint code{background:var(--bg-app);padding:.1rem .35rem;border-radius:4px;font-size:.78rem}.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:var(--bg-sidebar);color:var(--text-inverse);display:flex;flex-direction:column;padding:1.25rem 1rem;border-right:1px solid rgb(255 255 255/6%)}.sidebar-brand{display:flex;align-items:center;gap:.75rem;padding:.5rem .75rem;margin-bottom:2rem}.sidebar-brand-mark{width:2rem;height:2rem;border-radius:8px;background:linear-gradient(135deg,#0ea5e9,#6366f1);display:grid;place-items:center;font-weight:700;font-size:.9rem}.sidebar-brand span{font-weight:700;letter-spacing:-.02em}.sidebar-nav{display:flex;flex-direction:column;gap:.25rem;flex:1 1}.nav-link{display:flex;align-items:center;gap:.65rem;padding:.65rem .75rem;border-radius:8px;color:var(--text-muted);font-size:.9rem;font-weight:500;transition:background .15s,color .15s}.nav-link:hover{background:rgb(255 255 255/6%);color:var(--text-inverse)}.nav-link.active{background:rgb(14 165 233/18%);color:#7dd3fc}.sidebar-footer{padding:.75rem;border-top:1px solid rgb(255 255 255/8%);margin-top:auto}.user-chip{display:flex;flex-direction:column;gap:.15rem;margin-bottom:.75rem}.user-chip strong{font-size:.85rem}.user-chip span{font-size:.75rem;color:var(--text-muted)}.main-panel{display:flex;flex-direction:column;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.5rem;background:var(--bg-card);border-bottom:1px solid var(--border)}.topbar h2{font-size:1.1rem;font-weight:700}.topbar-meta{font-size:.8rem;color:var(--text-secondary)}.workspace-select{padding:.45rem .75rem;border-radius:8px;border:1px solid var(--border);background:white;min-width:200px}.page-content{padding:1.5rem;flex:1 1}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:1rem;gap:1rem;margin-bottom:1.5rem}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow)}.stat-card label{display:block;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);margin-bottom:.35rem}.stat-card strong{font-size:1.5rem;font-weight:700}.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.panel-header{padding:1rem 1.25rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.panel-header h3{font-size:1rem;font-weight:700}.workspace-list{list-style:none}.workspace-item{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.25rem;border-bottom:1px solid var(--border)}.workspace-item:last-child{border-bottom:none}.workspace-item h4{font-size:.95rem;margin-bottom:.2rem}.workspace-item p{font-size:.8rem;color:var(--text-secondary)}.badge{display:inline-block;padding:.2rem .55rem;border-radius:999px;font-size:.72rem;font-weight:600;background:var(--accent-soft);color:#0369a1;text-transform:capitalize}.empty-state{padding:2.5rem;text-align:center;color:var(--text-secondary)}@media (max-width:768px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}}