:root{--color-paper: #f8fafc;--color-paper-soft: #f1f5f9;--color-card: #ffffff;--color-border: #e2e8f0;--color-ink: #0f172a;--color-ink-soft: #64748b;--color-blue: #3b82f6;--color-blue-dark: #2563eb;--color-red: #dc2626;--color-red-soft: #fef2f2;--color-green: #16a34a;--font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--radius: 8px}*{box-sizing:border-box}body{margin:0;background:var(--color-paper);color:var(--color-ink);font-family:var(--font-sans)}h1{font-size:22px;font-weight:600;margin:0 0 20px}h2{font-size:16px;font-weight:600;margin:24px 0 12px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.auth-card{width:100%;max-width:380px;background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:32px}.auth-card form{display:grid;gap:14px}.auth-card label{display:grid;gap:6px;font-size:13px;color:var(--color-ink-soft)}.auth-card input{padding:10px 12px;border:1px solid var(--color-border);border-radius:6px;font-size:14px}.auth-card button{padding:10px;border:none;border-radius:6px;background:var(--color-blue);color:#fff;font-weight:600;cursor:pointer}.auth-card button:disabled{opacity:.6;cursor:not-allowed}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--color-card);border-right:1px solid var(--color-border);display:flex;flex-direction:column;padding:20px 0}.sidebar-brand{font-weight:700;font-size:16px;padding:0 20px 20px}.sidebar-nav{display:flex;flex-direction:column;gap:2px}.nav-link{padding:10px 20px;color:var(--color-ink-soft);text-decoration:none;font-size:14px}.nav-link.active{background:var(--color-paper-soft);color:var(--color-blue-dark);font-weight:600}.sidebar-footer{margin-top:auto;padding:12px 20px;border-top:1px solid var(--color-border)}.sidebar-user{font-size:12px;color:var(--color-ink-soft);margin-bottom:6px}.btn-link{background:none;border:none;color:var(--color-blue);cursor:pointer;padding:0;font-size:13px}.main-content{flex:1;padding:32px 40px}.page-loading{padding:40px;color:var(--color-ink-soft)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px}.stat-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:16px}.stat-value{font-size:28px;font-weight:700}.stat-label{font-size:12px;color:var(--color-ink-soft)}.data-table{width:100%;border-collapse:collapse;background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}.data-table th,.data-table td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--color-border);font-size:14px}.data-table th{color:var(--color-ink-soft);font-weight:600;font-size:12px;text-transform:uppercase}.data-table a{color:var(--color-blue-dark);text-decoration:none}.form-error{background:var(--color-red-soft);color:var(--color-red);padding:10px 12px;border-radius:6px;font-size:13px}.filters{display:flex;gap:10px;margin-bottom:16px}.filters input,.filters select{padding:8px 10px;border:1px solid var(--color-border);border-radius:6px;font-size:14px}.upload-form{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;margin-bottom:24px;display:grid;gap:12px;max-width:420px}.lead-fields{display:grid;grid-template-columns:120px 1fr;gap:8px 16px;margin:16px 0}.lead-fields dt{color:var(--color-ink-soft);font-size:13px}.lead-fields dd{margin:0;font-size:14px}.notes-list{list-style:none;padding:0;display:grid;gap:8px}.notes-list li{background:var(--color-card);border:1px solid var(--color-border);border-radius:6px;padding:10px 12px;font-size:14px}