:root{--bg: #f8f9fa;--surface: #fff;--border: #e2e8f0;--text: #1a202c;--text-muted: #718096;--primary: #4f46e5;--primary-hover: #4338ca;--danger: #dc2626;--success: #16a34a;--warning: #d97706;--radius: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.loading{display:flex;align-items:center;justify-content:center;min-height:100vh;color:var(--text-muted);font-size:1.1rem}.app-layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);padding:1.5rem 1rem;display:flex;flex-direction:column;gap:.5rem;position:sticky;top:0;height:100vh}.sidebar h1{font-size:1.05rem;color:var(--primary);margin-bottom:1rem;letter-spacing:-.3px}.sidebar a{text-decoration:none;color:var(--text-muted);padding:.5rem .75rem;border-radius:var(--radius);font-size:.9rem;font-weight:500;transition:all .15s}.sidebar a:hover,.sidebar a.active{background:var(--bg);color:var(--text)}.sidebar button.logout{margin-top:auto;background:none;border:1px solid var(--border);padding:.5rem;border-radius:var(--radius);cursor:pointer;color:var(--text-muted);font-size:.85rem}.main-content{flex:1;padding:2rem;max-width:960px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1rem}.card h2{font-size:1.2rem;margin-bottom:.75rem}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1.2rem;border:none;border-radius:var(--radius);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:.35rem 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.15s}.wizard-step.active{color:var(--primary);border-bottom-color:var(--primary)}.wizard-step.done{color:var(--success)}.progress-bar{width:100%;height:6px;background:var(--border);border-radius:99px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--primary);border-radius:99px;transition:width .3s}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2.5rem;width:380px;text-align:center}.login-card h1{font-size:1.5rem;color:var(--primary);margin-bottom:.5rem}.login-card p{color:var(--text-muted);margin-bottom:1.5rem;font-size:.9rem}.login-card .error{color:var(--danger);font-size:.85rem;margin-top:.5rem}.status-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;text-align:center}.stat-card 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