:root{--primary: #f97316;--primary-dark: #ea580c;--secondary: #1e293b;--background: #0f172a;--surface: #1e293b;--surface-light: #334155;--text: #f1f5f9;--text-muted: #94a3b8;--success: #22c55e;--warning: #eab308;--error: #ef4444;--border: #334155}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--background);color:var(--text);line-height:1.6}.app{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--surface);border-right:1px solid var(--border);padding:1.5rem;display:flex;flex-direction:column}.sidebar-logo{display:flex;align-items:center;gap:.75rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border);margin-bottom:1.5rem}.sidebar-logo h1{font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,var(--primary),#fbbf24);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-links{display:flex;flex-direction:column;gap:.5rem}.nav-link{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-radius:.5rem;color:var(--text-muted);text-decoration:none;transition:all .2s}.nav-link:hover{background:var(--surface-light);color:var(--text)}.nav-link.active{background:var(--primary);color:#fff}.main-content{flex:1;padding:2rem;overflow-y:auto}.card{background:var(--surface);border-radius:1rem;padding:1.5rem;border:1px solid var(--border)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.card-title{font-size:1.25rem;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background:var(--surface);border-radius:1rem;padding:1.5rem;border:1px solid var(--border);display:flex;align-items:center;gap:1rem}.stat-icon{width:3rem;height:3rem;border-radius:.75rem;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--primary-dark))}.stat-value{font-size:1.75rem;font-weight:700}.stat-label{color:var(--text-muted);font-size:.875rem}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:1rem;text-align:left;border-bottom:1px solid var(--border)}th{font-weight:600;color:var(--text-muted);font-size:.875rem;text-transform:uppercase}tr:hover{background:var(--surface-light)}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:500;cursor:pointer;transition:all .2s;border:none;font-size:.875rem}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #f9731666}.btn-secondary{background:var(--surface-light);color:var(--text)}.btn-danger{background:var(--error);color:#fff}.btn-sm{padding:.5rem 1rem;font-size:.75rem}.form-group{margin-bottom:1.25rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-muted)}.form-input,.form-select,.form-textarea{width:100%;padding:.75rem 1rem;border-radius:.5rem;border:1px solid var(--border);background:var(--background);color:var(--text);font-size:1rem;transition:border-color .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary)}.form-textarea{resize:vertical;min-height:100px}.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.badge{display:inline-flex;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:500}.badge-success{background:#22c55e33;color:var(--success)}.badge-warning{background:#eab30833;color:var(--warning)}.badge-error{background:#ef444433;color:var(--error)}.badge-info{background:#3b82f633;color:#3b82f6}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:var(--surface);border-radius:1rem;width:90%;max-width:600px;max-height:90vh;overflow-y:auto;padding:2rem}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.modal-title{font-size:1.5rem;font-weight:600}.modal-close{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:.5rem}.modal-close:hover{color:var(--text)}.whatsapp-status{display:flex;align-items:center;gap:1rem;padding:1rem;border-radius:.75rem;background:var(--surface-light);margin-bottom:1.5rem}.status-dot{width:12px;height:12px;border-radius:50%;animation:pulse 2s infinite}.status-dot.connected{background:var(--success)}.status-dot.disconnected{background:var(--error)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.qr-container{display:flex;flex-direction:column;align-items:center;padding:2rem;background:#fff;border-radius:1rem;margin-top:1rem}.qr-container img{max-width:280px}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--background),var(--surface))}.login-card{background:var(--surface);padding:3rem;border-radius:1.5rem;width:100%;max-width:400px;border:1px solid var(--border)}.login-title{text-align:center;margin-bottom:2rem}.login-title h1{font-size:1.75rem;margin-bottom:.5rem}.login-title p{color:var(--text-muted)}.empty-state{text-align:center;padding:3rem;color:var(--text-muted)}.empty-state svg{margin-bottom:1rem;opacity:.5}.actions{display:flex;gap:.5rem}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.page-title{font-size:1.75rem;font-weight:700}