:root{--color-primary: #2563eb;--color-secondary: #0f172a;--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #0f172a;--color-text-muted: #64748b;--radius: 10px;color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text)}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;font-size:14px}.btn{border:none;border-radius:8px;padding:8px 16px;font-size:14px;font-weight:600;transition:opacity .15s}.btn:hover{opacity:.9}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-danger{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.field{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.field label{font-size:13px;font-weight:600;color:var(--color-text-muted)}.field input,.field textarea,.field select{padding:8px 10px;border:1px solid var(--color-border);border-radius:8px;background:var(--color-surface)}.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--color-primary);outline-offset:-1px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:16px}.error-banner{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;border-radius:8px;padding:8px 12px;font-size:13px;margin-bottom:12px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{width:100%;max-width:360px;padding:32px}.login-card h1{font-size:20px;margin:0 0 4px}.login-card p{color:var(--color-text-muted);font-size:14px;margin:0 0 20px}.login-card .btn-primary{width:100%;padding:10px}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--color-secondary);color:#fff;padding:12px 24px;display:flex;align-items:center;justify-content:space-between}.app-header .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px}.app-header .brand img{height:28px;border-radius:4px}.app-header .user-menu{display:flex;align-items:center;gap:12px;font-size:13px;color:#cbd5e1}.app-main{flex:1;padding:24px;max-width:1100px;width:100%;margin:0 auto}.toolbar{display:flex;gap:12px;align-items:center;margin-bottom:16px;flex-wrap:wrap}.toolbar input[type=search]{padding:8px 10px;border:1px solid var(--color-border);border-radius:8px;min-width:220px}.status-filters{display:flex;gap:6px;flex-wrap:wrap}.status-chip{border:1px solid var(--color-border);background:var(--color-surface);border-radius:999px;padding:4px 12px;font-size:13px;color:var(--color-text-muted)}.status-chip.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.lead-table{width:100%;border-collapse:collapse;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}.lead-table th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted);padding:10px 14px;border-bottom:1px solid var(--color-border);background:#f8fafc}.lead-table td{padding:12px 14px;border-bottom:1px solid var(--color-border);font-size:14px}.lead-table tr:last-child td{border-bottom:none}.lead-table tr.clickable{cursor:pointer}.lead-table tr.clickable:hover{background:#f8fafc}.status-badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;text-transform:capitalize}.status-new{background:#dbeafe;color:#1d4ed8}.status-contacted{background:#fef3c7;color:#b45309}.status-qualified{background:#e0e7ff;color:#4338ca}.status-won{background:#dcfce7;color:#15803d}.status-lost{background:#f1f5f9;color:#64748b}.tag-pill{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:999px;font-size:12px;color:#fff}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a66;display:flex;align-items:center;justify-content:center;z-index:50}.modal{width:100%;max-width:420px;padding:20px}.modal h2{margin:0 0 16px;font-size:16px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.detail-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}@media (max-width: 720px){.detail-grid{grid-template-columns:1fr}}.note{border-bottom:1px solid var(--color-border);padding:10px 0}.note:last-child{border-bottom:none}.note-meta{font-size:12px;color:var(--color-text-muted);margin-bottom:4px}.back-link{color:var(--color-text-muted);text-decoration:none;font-size:13px;display:inline-block;margin-bottom:12px}.back-link:hover{color:var(--color-text)}