*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0f1117;--bg-secondary: #1a1d27;--bg-card: #1e2130;--border: #2a2d3e;--accent: #6366f1;--accent-hover: #5558e0;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #475569;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--font-mono: "Courier New", monospace}body{background:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.6;min-height:100vh}input,textarea,select{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:13px;padding:8px 12px;width:100%;outline:none;transition:border-color .15s}input:focus,textarea:focus,select:focus{border-color:var(--accent)}input::placeholder,textarea::placeholder{color:var(--text-muted)}button{cursor:pointer;font-family:inherit}.btn{border:none;border-radius:8px;font-size:13px;font-weight:600;padding:8px 16px;transition:all .15s;display:inline-flex;align-items:center;gap:6px}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--accent);color:var(--text-primary)}.btn-danger{background:#ef444426;color:var(--danger);border:1px solid rgba(239,68,68,.3)}.btn-danger:hover{background:#ef444440}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px}label{display:block;font-size:12px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}.form-group{margin-bottom:16px}.sidebar{width:220px;min-height:100vh;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 0;position:fixed;top:0;left:0}.sidebar-logo{padding:0 20px 24px;border-bottom:1px solid var(--border);margin-bottom:16px}.sidebar-logo h1{font-size:16px;font-weight:700;color:var(--text-primary)}.sidebar-logo p{font-size:11px;color:var(--text-muted);margin-top:2px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--text-secondary);text-decoration:none;font-size:13px;font-weight:500;border-radius:0;transition:all .15s;cursor:pointer;background:none;border:none;width:100%;text-align:left}.nav-item:hover{background:#6366f114;color:var(--text-primary)}.nav-item.active{background:#6366f11f;color:var(--accent);border-right:2px solid var(--accent)}.main-content{margin-left:220px;min-height:100vh;padding:32px}.page-title{font-size:22px;font-weight:700;margin-bottom:4px}.page-subtitle{font-size:13px;color:var(--text-secondary);margin-bottom:28px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600}.badge-success{background:#22c55e1f;color:var(--success)}.badge-error{background:#ef44441f;color:var(--danger)}.badge-neutral{background:var(--bg-secondary);color:var(--text-muted)}@keyframes pulse-ring{0%{transform:scale(1);opacity:1}to{transform:scale(1.5);opacity:0}}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:spin 1s linear infinite}