:root{--bg-base:#0b0f1a;--bg-elevated:#111827;--bg-surface:#1a2234;--bg-hover:#243049;--border:#2d3a52;--border-subtle:#1e2a3d;--text:#f1f5f9;--text-muted:#94a3b8;--text-dim:#64748b;--accent:#6366f1;--accent-hover:#818cf8;--success:#22c55e;--success-dim:#16a34a;--danger:#ef4444;--warning:#f59e0b;--radius:8px;--radius-sm:6px;--shadow:0 4px 6px -1px rgba(0,0,0,.2),0 2px 4px -2px rgba(0,0,0,.15);--sidebar-width:220px}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg-base);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--bg-elevated);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column}.sidebar-brand{padding:1.25rem 1.25rem 1rem;font-size:1.125rem;font-weight:700;color:var(--text);letter-spacing:-.02em;border-bottom:1px solid var(--border-subtle)}.sidebar-nav{flex:1 1;padding:.75rem .5rem}.sidebar-nav a{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;margin-bottom:2px;color:var(--text-muted);border-radius:var(--radius-sm);font-weight:500;transition:background .15s,color .15s}.sidebar-nav a:hover{background:var(--bg-hover);color:var(--text)}.sidebar-nav a.active{background:rgba(99,102,241,.15);color:var(--accent)}.sidebar-footer{padding:.75rem 1rem;border-top:1px solid var(--border-subtle)}.main-content{flex:1 1;min-width:0;padding:1.5rem 2rem 2rem;background:var(--bg-base)}.page-header{margin-bottom:1.5rem}.page-title{font-size:1.375rem;font-weight:600;color:var(--text);margin:0 0 .25rem;letter-spacing:-.02em}.page-desc{font-size:.875rem;color:var(--text-muted);margin:0}.card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card-header{padding:1rem 1.25rem;border-bottom:1px solid var(--border-subtle);font-weight:600;font-size:.9375rem;color:var(--text)}.card-body{padding:1.25rem}.card-body .card-desc{font-size:.8125rem;color:var(--text-muted);margin:-.25rem 0 1rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:1rem;gap:1rem}.stat-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:1rem 1.25rem;transition:border-color .15s}.stat-card:hover{border-color:var(--border)}.stat-label{font-size:.8125rem;color:var(--text-muted);margin-bottom:.25rem}.stat-value{font-size:1.5rem;font-weight:600;color:var(--text);letter-spacing:-.02em}.table-wrapper{overflow-x:auto;border-radius:var(--radius-sm);border:1px solid var(--border-subtle)}table{width:100%;border-collapse:collapse;font-size:.875rem}td,th{padding:.625rem 1rem;text-align:left;border-bottom:1px solid var(--border-subtle)}th{background:var(--bg-elevated);font-weight:600;color:var(--text-muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.04em}tr:last-child td{border-bottom:none}tr:hover td{background:hsla(0,0%,100%,.02)}td{color:var(--text)}.font-mono{font-family:ui-monospace,monospace;font-size:.8125rem}.text-muted{color:var(--text-muted)}.text-success{color:var(--success)}.text-warning{color:var(--warning)}a.link{color:var(--accent);text-decoration:underline;text-underline-offset:2px}a.link:hover{color:var(--accent-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.375rem;padding:.375rem .75rem;font-size:.875rem;font-weight:500;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-surface);color:var(--text);cursor:pointer;transition:background .15s,border-color .15s,color .15s}.btn:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn-success{background:var(--success-dim);border-color:var(--success);color:#fff}.btn-ghost{background:transparent;border-color:transparent;color:var(--text-muted)}.btn-ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text)}.input,.select{padding:.5rem .75rem;font-size:.875rem;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);width:100%}.input:focus,.select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(99,102,241,.2)}.select{cursor:pointer;width:auto;min-width:120px}.checkbox-label{display:inline-flex;align-items:center;gap:.375rem;cursor:pointer;color:var(--text);font-size:.875rem}.checkbox-label input{accent-color:var(--accent)}.chart-container{width:100%;height:300px;background:var(--bg-elevated);border-radius:var(--radius-sm);padding:1rem;border:1px solid var(--border-subtle)}.toolbar{display:flex;align-items:center;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}.toolbar-label{font-size:.8125rem;color:var(--text-muted)}.pagination{display:flex;align-items:center;gap:.5rem;margin-top:1rem}.alert-error{padding:.75rem 1rem;background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-sm);color:var(--danger);font-size:.875rem}.section+.section{margin-top:1.5rem}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}.login-card{width:100%;max-width:380px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow)}.login-card h1{font-size:1.25rem;font-weight:600;margin:0 0 1.5rem;color:var(--text)}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.375rem;font-size:.875rem;font-weight:500;color:var(--text-muted)}.form-group .input{margin-top:0}.login-card .btn-primary{width:100%;padding:.625rem 1rem;margin-top:.25rem}