:root{--billin-blue: #0060df;--billin-blue-hover: #0050bc;--billin-yellow: #ffb400;--billin-yellow-hover: #e6a200;--billin-gray-bg: #f8fafc;--billin-border: #e2e8f0;--billin-text: #1e293b;--billin-text-muted: #64748b;--billin-white: #ffffff;--billin-success: #10b981;--billin-danger: #ef4444;--radius-lg: 12px;--radius-md: 8px;--radius-sm: 4px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--billin-gray-bg);color:var(--billin-text);-webkit-font-smoothing:antialiased}.app-container{display:flex;flex-direction:column;height:100vh}.top-identity-bar{display:flex;justify-content:space-between;align-items:center;padding:12px 24px;background:white;box-shadow:var(--shadow-sm);z-index:10}.logo-section{display:flex;align-items:center;gap:12px}.context-section{display:flex;gap:32px;font-size:14px}.context-item .label{color:var(--billin-text-muted);margin-right:8px;font-weight:500}.context-item .value{font-weight:700;color:var(--billin-blue)}.btn-salir{background:#f1f5f9;color:var(--billin-text);border:1px solid var(--billin-border);padding:6px 16px;border-radius:var(--radius-md);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}.btn-salir:hover{background:#e2e8f0}.category-nav{display:flex;background:white;padding:0 24px;gap:12px;border-bottom:1px solid var(--billin-border)}.category-tab{display:flex;flex-direction:column;align-items:center;padding:16px 20px;cursor:pointer;color:var(--billin-text-muted);font-size:13px;font-weight:600;transition:all .2s;border-bottom:3px solid transparent}.category-tab .icon{font-size:20px;margin-bottom:4px}.category-tab:hover{color:var(--billin-blue)}.category-tab.active{color:var(--billin-blue);border-bottom-color:var(--billin-blue)}.feature-nav{background:var(--billin-blue);display:flex;padding:8px 24px;gap:8px}.feature-tab{color:#ffffffd9;padding:6px 16px;font-size:14px;font-weight:500;cursor:pointer;border-radius:20px;transition:all .2s}.feature-tab:hover{color:#fff;background:rgba(255,255,255,.1)}.feature-tab.active{background:white;color:var(--billin-blue)}.breadcrumb-bar{background:#f1f5f9;padding:10px 24px;font-size:13px;color:var(--billin-text-muted);border-bottom:1px solid var(--billin-border)}.main-content{flex:1;padding:24px;width:100%;box-sizing:border-box;overflow-y:auto}.card{background:white;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--billin-border);overflow:visible;margin-bottom:24px}.card-header{padding:16px 24px;background:white;border-bottom:1px solid var(--billin-border);font-weight:700;color:var(--billin-text);font-size:15px;display:flex;justify-content:space-between;align-items:center}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;padding:24px 32px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:12px;font-weight:600;color:var(--billin-text-muted);text-transform:uppercase;letter-spacing:.5px}.form-group input,.form-group select,.form-group textarea{border:1px solid var(--billin-border);padding:10px 14px;border-radius:var(--radius-md);font-size:14px;transition:border-color .2s,box-shadow .2s}.form-group input:focus{outline:none;border-color:var(--billin-blue);box-shadow:0 0 0 3px #0060df1a}.item-header{display:grid;grid-template-columns:1fr 100px 150px 50px;gap:16px;padding:12px 24px;background:#f8fafc;font-size:11px;font-weight:700;color:var(--billin-text-muted);text-transform:uppercase;border-bottom:1px solid var(--billin-border)}.item-row{display:grid;grid-template-columns:1fr 100px 150px 50px;gap:16px;padding:16px 24px;align-items:center;border-bottom:1px solid #f1f5f9;background:white;transition:background .2s;overflow:visible}.item-row:hover{background:#fbfdfe}.item-row input{width:100%;border:1px solid var(--billin-border);padding:8px 12px;border-radius:var(--radius-sm);font-size:14px}.btn{padding:10px 20px;border-radius:var(--radius-md);font-weight:600;font-size:14px;cursor:pointer;border:1px solid transparent;transition:all .2s;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background:var(--billin-blue);color:#fff}.btn-primary:hover{background:var(--billin-blue-hover)}.btn-accent{background:var(--billin-yellow);color:#fff}.btn-accent:hover{background:var(--billin-yellow-hover)}.btn-danger{background:#fee2e2;color:var(--billin-danger);border-color:#fecaca}.btn-danger:hover{background:#fecaca}.suggestions-list{position:absolute;top:100%;left:0;right:0;background:white;border:1px solid var(--billin-blue);box-shadow:0 10px 15px -3px #0000001a;border-radius:0 0 var(--radius-md) var(--radius-md);z-index:9999;max-height:250px;overflow-y:auto}.suggestion-item{padding:12px 16px;cursor:pointer;border-bottom:1px solid #f1f5f9}.suggestion-item:hover{background:#f0f7ff}.settings-menu{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}.settings-card{background:white;padding:32px;text-align:center;cursor:pointer;transition:transform .2s,box-shadow .2s}.settings-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.logo-upload-area{border:2px dashed var(--billin-border);padding:32px;border-radius:var(--radius-lg);text-align:center;background:#fbfcfe;cursor:pointer;transition:all .2s}.logo-upload-area:hover{border-color:var(--billin-blue);background:#f0f7ff}