:root{--bg: #f4f6fb;--bg-soft: #eef2f9;--surface: #ffffff;--surface-light: #f7f9fc;--surface-hover: #eef3fb;--border: #e4e9f2;--border-strong: #d3dae8;--text: #1a2233;--text-dim: #6b7689;--text-muted: #9aa3b5;--primary: #00b9f1;--primary-dark: #0099d6;--primary-deep: #0a3d62;--primary-soft: #e6f7fe;--primary-hover: #33c7f4;--whatsapp: #25d366;--whatsapp-dark: #1da851;--whatsapp-soft: #e7f9ee;--danger: #e5484d;--danger-soft: #fdecec;--warning: #f5a623;--warning-soft: #fff5e6;--success: #18a957;--success-soft: #e7f9ee;--inbound: #ffffff;--outbound: #e6f7fe;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow: 0 4px 14px rgba(16, 24, 40, .08);--shadow-lg: 0 12px 40px rgba(16, 24, 40, .12);--radius: 12px;--radius-sm: 8px;--radius-lg: 18px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--primary-dark);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d3dae8;border-radius:8px;border:2px solid transparent;background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background:#b9c2d4;background-clip:padding-box}.nb-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.nb-btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;border-radius:var(--radius-sm);font-weight:600;transition:transform .12s ease,box-shadow .12s ease,opacity .12s ease;box-shadow:0 4px 12px #00b9f140}.nb-btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 18px #00b9f159}.nb-btn-primary:disabled{opacity:.55;cursor:not-allowed}@media (max-width: 880px){.nb-login-brand{display:none!important}.nb-mobile-brand{display:flex!important}}@media (min-width: 881px){.nb-mobile-brand{display:none!important}}@media (max-width: 880px){.nb-sidebar{position:fixed!important;top:0;left:0;height:100vh!important;z-index:50;transform:translate(-100%);transition:transform .22s ease;box-shadow:var(--shadow-lg)}.nb-sidebar.nb-sidebar-open,.nb-sidebar[style*="transform: translateX(0)"]{transform:translate(0)!important}.nb-main{padding-top:56px}.nb-mobile-bar,.nb-sidebar-close{display:flex!important}.nb-sidebar-backdrop{display:block!important}}.nb-inbox-row{border-bottom:1px solid var(--border)}.nb-inbox-row:last-child{border-bottom:none}.nb-inbox-row:hover{background:var(--surface-hover)}.nb-input:focus{border-color:var(--primary)!important;box-shadow:0 0 0 3px #00b9f126!important}.nb-tpl-row:hover{background:var(--surface-hover)}