:root{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#1f2937;background:#f3f4f6;line-height:1.5;font-weight:400}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f8fafc,#eef2ff)}button,input,select{font:inherit}table{width:100%;border-collapse:collapse}th,td{padding:.85rem;text-align:left;border-bottom:1px solid #e5e7eb;vertical-align:top}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}.sidebar{background:#0f172a;color:#e2e8f0;padding:1.5rem;display:flex;flex-direction:column;gap:2rem}.sidebar-brand{display:flex;flex-direction:column;gap:.25rem}.sidebar-brand span{color:#94a3b8;font-size:.95rem}.sidebar-nav{display:grid;gap:.5rem}.sidebar-link{color:#cbd5e1;text-decoration:none;padding:.8rem 1rem;border-radius:.75rem}.sidebar-link.active,.sidebar-link:hover{background:#1e293b;color:#fff}.app-content{display:flex;flex-direction:column}.header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;padding:1.5rem 2rem;border-bottom:1px solid #dbe3f0;background:#fffc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.header h1,.card h1,.card h2{margin:0 0 .5rem}.header p,.card p{margin:0;color:#4b5563}.page-content{padding:2rem}.page-grid,.stack-list{display:grid;gap:1.5rem}.metrics-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.metric-card span{color:#64748b}.metric-card strong{display:block;margin-top:.35rem;font-size:1.4rem}.card,.subcard{background:#ffffffeb;border:1px solid #dbe3f0;border-radius:1rem;padding:1.25rem;box-shadow:0 10px 30px #0f172a0f}.subcard-header,.section-toolbar,.inline-actions,.filters-row{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center;justify-content:space-between}.form-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:1rem}.compact-grid{margin-top:1rem}.field,.checkbox-field{display:flex;flex-direction:column;gap:.45rem}.checkbox-field{flex-direction:row;align-items:center}.inline-checkbox{justify-content:flex-start}input,select{width:100%;padding:.8rem .9rem;border-radius:.75rem;border:1px solid #cbd5e1;background:#fff}.button{border:1px solid #cbd5e1;background:#fff;color:#0f172a;padding:.75rem 1rem;border-radius:.75rem;cursor:pointer}.button-primary{background:#0f766e;border-color:#0f766e;color:#fff}.button:disabled{opacity:.65;cursor:not-allowed}.auth-layout,.screen-message{min-height:100vh;display:grid;place-items:center;padding:1.5rem}.auth-card{width:min(100%,420px);display:grid;gap:1rem}.form-error{color:#b91c1c}.form-success{color:#0f766e}.table-wrapper{overflow-x:auto}.empty-state{margin:1rem 0;padding:1rem 1.25rem;border:1px dashed #94a3b8;border-radius:.9rem;background:#f8fafc;display:grid;gap:.75rem;justify-items:flex-start}.empty-state h3{margin:0}.muted-text{color:#64748b;font-size:.9rem}@media(max-width:960px){.app-shell{grid-template-columns:1fr}.sidebar{gap:1rem}.header,.page-content{padding:1.25rem}}