:root{--bg-primary: #0a0e17;--bg-secondary: #111827;--bg-card: #1a2234;--bg-hover: #243049;--border: #2d3a52;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #3b82f6;--accent-hover: #2563eb;--accent-glow: rgba(59, 130, 246, .25);--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #06b6d4;--gradient-start: #1e3a5f;--gradient-end: #0f172a;--sidebar-width: 260px;--radius: 10px;--shadow: 0 4px 24px rgba(0, 0, 0, .4);font-family:DM Sans,system-ui,sans-serif;line-height:1.5;color:var(--text-primary);background:var(--bg-primary)}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;background:linear-gradient(135deg,var(--gradient-start) 0%,var(--gradient-end) 50%,#0a0e17 100%);background-attachment:fixed}#root{min-height:100vh}a{color:var(--accent);text-decoration:none}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:#111827f2;border-right:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-brand{padding:1.5rem;border-bottom:1px solid var(--border)}.sidebar-brand h1{font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,#60a5fa,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sidebar-brand p{font-size:.75rem;color:var(--text-muted);margin-top:.25rem}.sidebar-nav{flex:1;padding:1rem .75rem;overflow-y:auto}.nav-section{margin-bottom:1.5rem}.nav-section-title{font-size:.65rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);padding:0 .75rem;margin-bottom:.5rem}.nav-link{display:flex;align-items:center;gap:.75rem;padding:.65rem .75rem;border-radius:var(--radius);color:var(--text-secondary);font-size:.9rem;font-weight:500;transition:all .15s ease;margin-bottom:2px}.nav-link:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-link.active{background:var(--accent-glow);color:var(--accent);border:1px solid rgba(59,130,246,.3)}.nav-icon{font-size:1.1rem;width:1.25rem;text-align:center}.sidebar-footer{padding:1rem;border-top:1px solid var(--border)}.user-info{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}.user-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#8b5cf6);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.85rem}.user-details span{display:block;font-size:.85rem;font-weight:600}.user-details small{color:var(--text-muted);font-size:.75rem}.main-content{flex:1;margin-left:var(--sidebar-width);padding:2rem;min-height:100vh}.page-header{margin-bottom:2rem}.page-header h2{font-size:1.75rem;font-weight:700;margin-bottom:.35rem}.page-header p{color:var(--text-secondary);font-size:.95rem}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.25rem;margin-bottom:2rem}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),#8b5cf6)}.stat-label{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.stat-value{font-size:2rem;font-weight:700;margin-top:.35rem;font-family:JetBrains Mono,monospace}.stat-sub{font-size:.8rem;color:var(--text-secondary);margin-top:.25rem}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1.1rem;border-radius:var(--radius);font-size:.875rem;font-weight:600;border:none;transition:all .15s ease}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);box-shadow:0 0 20px var(--accent-glow)}.btn-secondary{background:var(--bg-hover);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:#ef444426;color:var(--danger);border:1px solid rgba(239,68,68,.3)}.btn-danger:hover{background:#ef444440}.btn-sm{padding:.35rem .75rem;font-size:.8rem}.btn-group{display:flex;gap:.5rem;flex-wrap:wrap}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:.85rem;font-weight:500;color:var(--text-secondary);margin-bottom:.4rem}.form-control{width:100%;padding:.65rem .85rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:.9rem;transition:border-color .15s}.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.table-container{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border)}table{width:100%;border-collapse:collapse;font-size:.875rem}thead{background:var(--bg-secondary)}th{text-align:left;padding:.85rem 1rem;font-weight:600;color:var(--text-secondary);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border)}td{padding:.85rem 1rem;border-bottom:1px solid var(--border);color:var(--text-primary)}tbody tr:hover{background:#3b82f60d}tbody tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.75rem;font-weight:600;text-transform:capitalize}.badge-success{background:#10b98126;color:var(--success)}.badge-warning{background:#f59e0b26;color:var(--warning)}.badge-danger{background:#ef444426;color:var(--danger)}.badge-info{background:#06b6d426;color:var(--info)}.badge-neutral{background:#94a3b826;color:var(--text-secondary)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}.login-card{width:100%;max-width:420px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:2.5rem;box-shadow:var(--shadow)}.login-card h1{font-size:1.5rem;margin-bottom:.5rem;background:linear-gradient(135deg,#60a5fa,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-card .subtitle{color:var(--text-secondary);margin-bottom:2rem;font-size:.9rem}.error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--danger);padding:.75rem 1rem;border-radius:var(--radius);margin-bottom:1rem;font-size:.875rem}.success-message{background:#10b9811a;border:1px solid rgba(16,185,129,.3);color:var(--success);padding:.75rem 1rem;border-radius:var(--radius);margin-bottom:1rem;font-size:.875rem}.loading-spinner{display:flex;align-items:center;justify-content:center;min-height:200px;color:var(--text-muted)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;width:100%;max-width:520px;max-height:90vh;overflow-y:auto}.modal h3{margin-bottom:1.25rem;font-size:1.15rem}.modal-actions{display:flex;justify-content:flex-end;gap:.75rem;margin-top:1.5rem}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem;flex-wrap:wrap;gap:1rem}.chart-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem}.chart-title{font-size:1rem;font-weight:600;margin-bottom:1rem;color:var(--text-secondary)}.empty-state{text-align:center;padding:3rem;color:var(--text-muted)}@media(max-width:768px){.sidebar{transform:translate(-100%)}.main-content{margin-left:0;padding:1rem}}