:root{--primary-blue:#2563eb;--primary-blue-dark:#1e40af;--primary-blue-light:#eff6ff;--bg-main:#f1f5f9;--bg-sidebar:#fff;--text-main:#0f172a;--text-muted:#475569;--border-color:#cbd5e1;--shadow-sm:0 1px 3px 0 #0000001a, 0 1px 2px -1px #0000001a;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--radius-md:10px;--radius-lg:16px;--sidebar-width:280px}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,sans-serif}body{background-color:var(--bg-main);color:var(--text-main)}#app{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background-color:var(--bg-sidebar);border-right:1px solid var(--border-color);flex-direction:column;height:100vh;padding:24px;display:flex;position:sticky;top:0}.sidebar-header .logo{color:var(--primary-blue);align-items:center;gap:16px;margin-bottom:40px;font-size:1.5rem;font-weight:700;display:flex}.logo img{object-fit:cover;border-radius:8px;width:48px;height:48px}.sidebar-nav{flex-direction:column;flex:1;gap:8px;display:flex}.nav-item{border-radius:var(--radius-md);color:var(--text-muted);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:12px 16px;font-weight:500;transition:all .2s;display:flex}.nav-item i{font-size:1.25rem}.nav-item:hover{background-color:var(--primary-blue-light);color:var(--primary-blue)}.nav-item.active{background-color:var(--primary-blue);color:#fff}.sidebar-footer{border-top:1px solid var(--border-color);padding-top:24px}.user-profile{align-items:center;gap:12px;display:flex}.avatar{background-color:var(--primary-blue-light);width:40px;height:40px;color:var(--primary-blue);border-radius:50%;justify-content:center;align-items:center;font-weight:600;display:flex}.user-info{flex-direction:column;display:flex}.user-name{font-size:.9rem;font-weight:600}.user-role{color:var(--text-muted);font-size:.75rem}.main-content{flex-direction:column;flex:1;display:flex}.top-header{border-bottom:1px solid var(--border-color);background-color:#fff;justify-content:space-between;align-items:center;height:80px;padding:0 40px;display:flex}.top-header h1{font-size:1.5rem;font-weight:600}.header-actions{align-items:center;gap:20px;display:flex}.search-bar{width:300px;position:relative}.search-bar i{color:var(--text-muted);position:absolute;top:50%;left:12px;transform:translateY(-50%)}.search-bar input{border-radius:var(--radius-md);border:1px solid var(--border-color);background-color:var(--bg-main);outline:none;width:100%;padding:10px 12px 10px 40px;transition:border .2s}.search-bar input:focus{border-color:var(--primary-blue)}.icon-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;font-size:1.25rem}.add-btn{background-color:var(--primary-blue-dark);color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;align-items:center;gap:8px;padding:10px 20px;font-weight:500;transition:background .2s;display:flex}.add-btn:hover{background-color:#1e3a8a}.content-area{padding:40px;overflow-y:auto}.dashboard-grid{grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:40px;display:grid}.stat-card{border-radius:var(--radius-md);box-shadow:var(--shadow-sm);background:#fff;flex-direction:column;gap:12px;padding:24px;display:flex}.stat-header{color:var(--text-muted);justify-content:space-between;align-items:center;font-size:.9rem;font-weight:500;display:flex}.stat-value{font-size:1.75rem;font-weight:700}.stat-footer{align-items:center;gap:4px;font-size:.85rem;display:flex}.trend-up{color:#10b981}.trend-down{color:#ef4444}.data-table-container{border-radius:var(--radius-md);box-shadow:var(--shadow-sm);background:#fff;overflow:hidden}.table-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}table{border-collapse:collapse;width:100%}th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border-color);padding:16px 24px;font-size:.75rem}td{border-bottom:1px solid var(--border-color);padding:16px 24px;font-size:.9rem}.badge{border-radius:20px;padding:4px 10px;font-size:.75rem;font-weight:600}.badge-lead{color:#991b1b;background:#fee2e2}.badge-customer{color:#166534;background:#dcfce7}.conversas-container{gap:24px;height:calc(100vh - 200px);display:flex}.chat-list{border-radius:var(--radius-md);background:#fff;flex-direction:column;width:300px;display:flex;overflow-y:auto}.chat-item{border-bottom:1px solid var(--border-color);cursor:pointer;padding:16px;transition:background .2s}.chat-item:hover{background:var(--bg-main)}.chat-item.active{border-left:4px solid var(--primary-blue);background:var(--primary-blue-light)!important}.chat-window{border-radius:var(--radius-md);background:#fff;flex-direction:column;flex:1;display:flex}.chat-messages{flex-direction:column;flex:1;gap:16px;padding:24px;display:flex;overflow-y:auto}.message{border-radius:var(--radius-md);max-width:70%;padding:12px 16px;font-size:.95rem;line-height:1.5;position:relative}.login-overlay{background:linear-gradient(135deg, var(--primary-blue-light) 0%, #fff 100%);z-index:1000;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.login-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);text-align:center;background:#fff;width:100%;max-width:400px;padding:40px}.login-header .logo{justify-content:center;margin-bottom:32px;font-size:2rem}.login-header .logo img{width:60px;height:60px}.login-header h2{color:var(--text-main);margin-bottom:8px;font-size:1.5rem}.login-header p{color:var(--text-muted);margin-bottom:32px;font-size:.9rem}.form-group{text-align:left;margin-bottom:20px}.form-group label{color:var(--text-main);margin-bottom:8px;font-size:.85rem;font-weight:600;display:block}.form-group input{border-radius:var(--radius-md);border:1px solid var(--border-color);outline:none;width:100%;padding:12px;transition:border .2s}.form-group input:focus{border-color:var(--primary-blue)}.login-btn{background-color:var(--primary-blue);color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;width:100%;margin-top:10px;padding:12px;font-weight:600;transition:background .2s}.login-btn:hover{background-color:var(--primary-blue-dark)}.error-message{color:#ef4444;border-radius:var(--radius-md);background:#fef2f2;margin-top:16px;padding:10px;font-size:.85rem}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2000;background:#0f172a80;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.modal-card{border-radius:var(--radius-lg);width:100%;max-width:500px;box-shadow:var(--shadow-lg);background:#fff;overflow:hidden}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:24px;display:flex}.modal-header h3{font-size:1.25rem;font-weight:600}.close-modal{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:1.5rem}#add-lead-form{padding:24px}.modal-footer{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.btn-secondary{border-radius:var(--radius-md);border:1px solid var(--border-color);color:var(--text-main);cursor:pointer;background:#fff;padding:10px 16px;font-weight:500}.btn-primary{border-radius:var(--radius-md);background-color:var(--primary-blue);color:#fff;cursor:pointer;border:none;padding:10px 16px;font-weight:500}.logout-btn-text{color:#ef4444;cursor:pointer;background:0 0;border:none;margin-top:8px;padding:0;font-size:.8rem;font-weight:600}