@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--primary:#25d366;--primary-dark:#128c7e;--primary-light:#dcf8c6;--bg-color:#f0f2f5;--bg-card:#fff;--text-main:#111827;--text-muted:#6b7280;--border:#e2e8f0;--sidebar-w:240px;--phone-w:320px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:Inter,sans-serif;overflow:hidden}.app-layout{width:100vw;height:100vh;display:flex}.sidebar{width:var(--sidebar-w);background-color:var(--bg-card);border-right:1px solid var(--border);z-index:10;flex-direction:column;padding:24px 16px;display:flex}.sidebar-logo{color:#111827;align-items:center;gap:12px;margin-bottom:40px;padding:0 8px;font-size:18px;font-weight:700;display:flex}.nav-item{color:var(--text-muted);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:12px;width:100%;margin-bottom:4px;padding:12px 16px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.nav-item:hover{color:#111827;background-color:#f8fafc}.nav-item.active{color:var(--primary-dark);background-color:#ecfdf5}.main-content{flex-direction:column;flex:1;min-width:0;display:flex;position:relative}.top-header{background-color:var(--bg-card);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;height:64px;padding:0 32px;display:flex}.header-title{color:var(--text-muted);font-size:15px;font-weight:600}.admin-profile{align-items:center;gap:12px;font-size:14px;font-weight:500;display:flex}.admin-avatar{background-color:var(--primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:12px;font-weight:600;display:flex}.workspace{flex-direction:column;flex:1;padding:32px;display:flex;overflow-y:auto}.flow-canvas{flex:1;gap:32px;height:100%;display:flex}.nodes-container{flex-direction:column;flex:1;gap:24px;padding-bottom:64px;padding-right:16px;display:flex;overflow-y:auto}.flow-node{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;transition:transform .2s,box-shadow .2s;position:relative;box-shadow:0 1px 3px #0000000d}.flow-node:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000000d}.node-connector{background:var(--primary);width:2px;height:24px;position:absolute;bottom:-24px;left:32px}.node-header{border-bottom:1px solid var(--border);border-radius:12px 12px 0 0;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.node-header.trigger{background:#f0fdf4;border-bottom-color:#bbf7d0}.node-header.action{background:#f8fafc}.node-header.condition{background:#fffbeb;border-bottom-color:#fde68a}.node-title{align-items:center;gap:12px;font-size:15px;font-weight:600;display:flex}.node-body{padding:20px}.node-content-box{color:#475569;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:8px;margin-top:12px;padding:12px 16px;font-family:monospace;font-size:13px}.phone-simulator{width:var(--phone-w);background:#000;border-radius:40px;height:clamp(500px,80vh,700px);padding:8px;position:sticky;top:0;box-shadow:0 20px 40px -10px #00000026}.phone-screen{background:#ece5dd;border-radius:32px;flex-direction:column;height:100%;display:flex;overflow:hidden}.wa-header{background:var(--primary-dark);color:#fff;z-index:2;align-items:center;gap:12px;padding:24px 16px 16px;display:flex;box-shadow:0 1px 3px #0003}.wa-profile{background:#fff3;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.wa-chat-area{background-color:#ece5dd;background-image:radial-gradient(circle,#e2d8ce 10%,#0000 11%),radial-gradient(circle,#e2d8ce 10%,#0000 11%);background-position:0 0,10px 10px;background-size:20px 20px;flex-direction:column;flex:1;gap:8px;padding:16px;display:flex;overflow-y:auto}.msg-bubble{border-radius:8px;max-width:85%;padding:8px 12px;font-size:13px;line-height:1.4;animation:.3s ease-out forwards popIn;position:relative;box-shadow:0 1px 1px #0000001a}.msg-bubble.received{background:#fff;border-top-left-radius:0;align-self:flex-start}.msg-bubble.sent{background:var(--primary-light);border-top-right-radius:0;align-self:flex-end}.msg-time{color:#999;text-align:right;margin-top:4px;font-size:10px}.wa-input-area{background:#f0f0f0;align-items:center;gap:8px;padding:8px;display:flex}.wa-input{background:#fff;border:none;border-radius:20px;flex:1;padding:10px 16px;font-size:14px}.wa-btn{background:var(--primary-dark);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.btn-primary{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:6px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:600;transition:opacity .2s;display:inline-flex}.btn-primary:hover{opacity:.9}.metrics-grid{grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:32px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:0 1px 2px #00000005}.stat-value{color:#111827;margin-top:12px;font-size:32px;font-weight:700}@keyframes popIn{0%{opacity:0;transform:translateY(10px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}.slide-in{animation:.3s ease-out slideIn}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (width<=1024px){.flow-canvas{flex-direction:column}.phone-simulator{margin:32px auto;position:static}.sidebar{display:none}}