:root{
  --cream:#f4ecdc;
  --cream-2:#fff8f0;
  --sand:#eadcc3;
  --salmon:#d88f79;
  --salmon-2:#efb6a3;
  --brown:#8a5a2b;
  --brown-2:#5b3a22;
  --brown-3:#2f2119;
  --gold:#c28b2f;
  --ink:#352d24;
  --muted:#766b5d;
  --line:rgba(91,58,34,.15);
  --shadow:0 14px 34px rgba(72,49,30,.12);
  --white:#fffdf9;
  --danger:#b8493a;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  line-height:1.5;
}

button{font-family:inherit}
textarea,input,select{font-family:inherit;font-size:.92rem}

/* ===== Topbar ===== */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:14px 22px;
  background:rgba(244,236,220,.95);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.topbar-left{display:flex;align-items:center;gap:12px}
.logo{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;font-size:20px;
  background:linear-gradient(145deg,var(--brown),var(--brown-2));
  box-shadow:var(--shadow);
}
.topbar-title{display:flex;flex-direction:column}
.app-name{font-weight:900;font-size:1rem;color:var(--brown-2);letter-spacing:.01em}
.topbar-title small{color:var(--muted);font-size:.74rem}

.topbar-mid{display:flex;gap:16px;flex-wrap:wrap}
.mid-field{display:flex;flex-direction:column;gap:3px}
.mid-field label{font-size:.68rem;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.mid-field label small{text-transform:none;font-weight:600;letter-spacing:0}
.mid-input{
  border:1px solid var(--line);background:#fff;font-weight:700;font-size:.86rem;
  color:var(--brown-2);padding:7px 10px;border-radius:8px;min-width:190px;
}
.mid-input:focus{outline:2px solid var(--salmon-2)}

.topbar-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.save-status{font-size:.78rem;color:var(--muted);min-width:110px;text-align:right}

/* ===== Buttons ===== */
.btn{
  border:0;border-radius:12px;padding:10px 14px;
  font-weight:800;font-size:.86rem;cursor:pointer;
  display:inline-flex;align-items:center;gap:6px;
  transition:.15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brown-2);color:#fff;box-shadow:0 8px 18px rgba(91,58,34,.25)}
.btn-brown{background:var(--brown-2);color:#fff}
.btn-salmon{background:var(--salmon);color:#fff}
.btn-ghost{background:#fff;color:var(--brown-2);border:1px solid var(--line)}
.btn-danger{background:#fff;color:var(--danger);border:1px solid rgba(184,73,58,.35)}
.btn-danger:hover{background:var(--danger);color:#fff}
.btn-small{padding:7px 11px;font-size:.78rem;border-radius:10px}

/* ===== Layout ===== */
.layout{
  display:grid;
  grid-template-columns:340px 1fr 380px;
  gap:0;
  height:calc(100vh - 84px);
}
.col{overflow-y:auto;padding:18px 20px}
.col-list{border-right:1px solid var(--line);background:var(--cream-2)}
.col-editor{background:var(--cream)}
.col-preview{border-left:1px solid var(--line);background:linear-gradient(135deg,#f0dfd0,#f9eee6);display:flex;flex-direction:column;align-items:center}
.col-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.col-head h2{margin:0;font-size:1rem;color:var(--brown-2)}
.add-buttons{display:flex;gap:8px;flex-wrap:wrap}

/* ===== Warnings ===== */
.warnings{margin-bottom:10px}
.warning-item{
  background:#fff3e6;border:1px solid #eccba0;color:#8a5a1f;
  border-radius:10px;padding:8px 10px;font-size:.78rem;margin-bottom:6px;
}

/* ===== Node list ===== */
.node-list{display:flex;flex-direction:column;gap:10px}
.node-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 13px;cursor:pointer;transition:.15s;position:relative;
}
.node-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.node-card.selected{border-color:var(--salmon);box-shadow:0 0 0 2px var(--salmon-2)}
.node-card .badges{display:flex;align-items:center;gap:6px;margin-bottom:4px}
.badge{font-size:.66rem;font-weight:900;text-transform:uppercase;letter-spacing:.04em;padding:3px 7px;border-radius:999px}
.badge-principal{background:#e7dccb;color:var(--brown-2)}
.badge-opcoes{background:var(--salmon-2);color:#7a3524}
.badge-start{background:var(--gold);color:#fff}
.node-card h3{margin:0 0 4px;font-size:.92rem;color:var(--ink)}
.node-card p{margin:0;font-size:.78rem;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ===== Editor ===== */
.editor-empty{color:var(--muted);padding:40px 10px;text-align:center}
.editor-form{max-width:640px}
.field-row{margin-bottom:18px}
.field-row label{display:block;font-weight:800;font-size:.84rem;color:var(--brown-2);margin-bottom:6px}
.field-row label small{font-weight:500;color:var(--muted);text-transform:none;letter-spacing:0}
.field-row input[type=text],.field-row textarea,.field-row select{
  width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);resize:vertical;
}
.field-row textarea{min-height:110px}

.text-toolbar{margin-bottom:8px}
.emoji-picker-wrap{position:relative;display:inline-block}
.emoji-picker{
  position:absolute;top:calc(100% + 6px);left:0;z-index:80;
  width:300px;max-height:320px;overflow-y:auto;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);padding:10px;
}
.emoji-picker[hidden]{display:none}
.emoji-cat-label{
  font-size:.68rem;font-weight:900;color:var(--muted);text-transform:uppercase;
  letter-spacing:.04em;margin:8px 2px 4px;
}
.emoji-cat-label:first-child{margin-top:2px}
.emoji-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:2px}
.emoji-btn{
  border:0;background:transparent;font-size:1.25rem;line-height:1;
  padding:6px 0;border-radius:8px;cursor:pointer;
}
.emoji-btn:hover{background:var(--sand)}

.type-toggle{display:flex;gap:8px}
.type-btn{
  flex:1;padding:11px 10px;border-radius:12px;border:1px solid var(--line);
  background:#fff;font-weight:800;font-size:.84rem;cursor:pointer;color:var(--muted);
}
.type-btn.active.principal{background:var(--brown-2);color:#fff;border-color:var(--brown-2)}
.type-btn.active.opcoes{background:var(--salmon);color:#fff;border-color:var(--salmon)}

.numbering-toggle{display:flex;gap:18px;font-size:.86rem;color:var(--ink)}
.numbering-toggle label{display:flex;align-items:center;gap:6px;font-weight:700}

.options-list{display:flex;flex-direction:column;gap:10px;margin-bottom:10px}
.option-row{
  display:grid;grid-template-columns:28px 1fr 1fr auto;gap:8px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:9px;
}
.option-row .opt-prefix{font-weight:900;color:var(--salmon);text-align:center}
.option-row input,.option-row select{padding:8px 9px;border-radius:8px;border:1px solid var(--line);width:100%}
.option-remove{
  border:0;background:transparent;color:var(--danger);cursor:pointer;font-size:1.05rem;
  width:28px;height:28px;border-radius:8px;
}
.option-remove:hover{background:rgba(184,73,58,.1)}

.editor-actions{display:flex;gap:10px;flex-wrap:wrap;padding-top:6px;border-top:1px solid var(--line)}

/* ===== Preview phone ===== */
.phone{
  width:320px;background:var(--brown-3);border-radius:42px;padding:13px;
  box-shadow:0 30px 70px rgba(47,33,25,.28);margin-top:6px;
}
.phone-screen{
  background:#f7efe4;border-radius:32px;overflow:hidden;
  display:flex;flex-direction:column;height:640px;
}
.phone-head{background:var(--brown-2);color:#fff;padding:15px 16px;display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--salmon);display:grid;place-items:center;font-weight:950;color:#fff}
.phone-head strong{display:block;font-size:.92rem}
.phone-head small{display:block;color:#ead7c1;font-size:.72rem}
.chat{padding:16px 13px;display:flex;flex-direction:column;gap:10px;flex:1;overflow-y:auto}
.bubble{max-width:88%;padding:10px 12px;border-radius:16px;font-size:.85rem;box-shadow:0 4px 12px rgba(91,58,34,.08);white-space:pre-wrap}
.bubble.mike{background:#fff;align-self:flex-start;border-bottom-left-radius:5px}
.bubble.user{background:#edc8ba;align-self:flex-end;border-bottom-right-radius:5px}
.chat-options{padding:8px 13px 16px;display:flex;flex-direction:column;gap:8px}
.chat-option-btn{
  text-align:left;padding:10px 12px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:.83rem;font-weight:700;color:var(--brown-2);
  transition:.15s;
}
.chat-option-btn:hover{background:var(--salmon);color:#fff;border-color:var(--salmon);transform:translateY(-1px)}
.chat-end-note{text-align:center;color:var(--muted);font-size:.76rem;padding:6px 0 2px}
.chat-continue-btn{
  align-self:flex-start;margin-left:13px;padding:9px 14px;border-radius:12px;
  border:0;background:var(--brown-2);color:#fff;font-weight:800;font-size:.8rem;cursor:pointer;
}

/* Scrollbars */
.col::-webkit-scrollbar,.chat::-webkit-scrollbar{width:8px}
.col::-webkit-scrollbar-thumb,.chat::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}

@media(max-width:1200px){
  .layout{grid-template-columns:300px 1fr 340px}
}

/* ===== Modal: mapa da árvore ===== */
.tree-modal{
  position:fixed;inset:0;z-index:200;
  background:rgba(47,33,25,.55);
  display:flex;align-items:center;justify-content:center;
  padding:30px;
}
.tree-modal[hidden]{display:none}
.tree-modal-inner{
  background:var(--cream-2);border-radius:20px;
  width:100%;height:100%;max-width:1400px;
  display:flex;flex-direction:column;overflow:hidden;
  box-shadow:0 30px 80px rgba(47,33,25,.4);
}
.tree-modal-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 22px;border-bottom:1px solid var(--line);background:#fff;
}
.tree-modal-head h2{margin:0;font-size:1.05rem;color:var(--brown-2)}
.tree-container{flex:1;overflow:auto;padding:40px 30px;background:
  radial-gradient(circle at 1px 1px, var(--line) 1px, transparent 0) 0 0/22px 22px;
}

/* Diagrama de árvore em CSS puro (linhas conectoras) */
.tree, .tree ul{
  display:flex;list-style:none;margin:0;padding:0;
}
.tree{padding-top:6px}
.tree li{
  display:flex;flex-direction:column;align-items:center;
  padding:26px 12px 0 12px;position:relative;
}
.tree li::before, .tree li::after{
  content:'';position:absolute;top:0;right:50%;
  border-top:2px solid var(--brown);width:50%;height:26px;
}
.tree li::after{right:auto;left:50%;border-left:2px solid var(--brown)}
.tree li:only-child::after, .tree li:only-child::before{display:none}
.tree li:only-child{padding-top:0}
.tree li:first-child::before, .tree li:last-child::after{border:0 none}
.tree li:last-child::before{border-right:2px solid var(--brown);border-radius:0 6px 0 0}
.tree li:first-child::after{border-radius:6px 0 0 0}
.tree li:only-of-type::after, .tree li:only-of-type::before{display:none}
.tree > li{padding-top:0}
.tree > li::before, .tree > li::after{display:none}
.tree li ul::before{
  content:'';position:absolute;top:0;left:50%;
  border-left:2px solid var(--brown);width:0;height:26px;
}
.tree li ul{padding-top:26px;position:relative}

.tree-box{
  background:#fff;border:2px solid var(--line);border-radius:14px;
  padding:10px 14px;min-width:170px;max-width:240px;
  box-shadow:0 8px 18px rgba(91,58,34,.1);position:relative;text-align:left;
}
.tree-edge{
  font-size:.68rem;font-weight:800;color:var(--salmon);margin-bottom:5px;
  white-space:normal;
}
.tree-badges{display:flex;align-items:center;gap:5px;margin-bottom:4px;flex-wrap:wrap}
.tree-badge{font-size:.6rem;font-weight:900;text-transform:uppercase;letter-spacing:.03em;padding:2px 6px;border-radius:999px}
.tree-badge-principal{background:#e7dccb;color:var(--brown-2)}
.tree-badge-opcoes{background:var(--salmon-2);color:#7a3524}
.tree-start{font-size:.6rem;font-weight:900;color:var(--gold)}
.tree-title{font-size:.82rem;font-weight:800;color:var(--ink)}
.tree-text{font-size:.72rem;color:var(--muted);margin-top:4px;line-height:1.35;font-weight:500}
.tree-text-empty{font-style:italic;opacity:.75}
.tree-box.tree-repeat{border-style:dashed;opacity:.75}
.tree-box.tree-repeat .tree-title:before{content:"🔁 ";}
.tree-box.tree-missing{border-color:var(--danger);border-style:dashed}
.tree-box.tree-missing .tree-title{color:var(--danger)}