:root{
  --cream: #fbe9c9;
  --cream-deep: #f7dca4;
  --card: #fffaf0;
  --orange: #f5a531;
  --orange-deep: #e8891a;
  --orange-text: #c96a0c;
  --ink: #4a3a24;
  --ink-soft: #8a7454;
  --line: #ecd6a8;
  --green: #4c9a6a;
  --red: #d9634a;
  --shadow: 0 6px 18px rgba(120, 84, 24, 0.12);
  --radius: 16px;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-deep) 100%);
  color: var(--ink);
  display:flex;
  flex-direction:column;
  overflow:hidden;
}

/* ---------- TOPBAR ---------- */
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 26px;
  background: rgba(255,250,240,0.55);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  color:#fff; display:flex;align-items:center;justify-content:center;
  font-size:20px; font-weight:700; box-shadow: var(--shadow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-title{font-size:19px;font-weight:800;letter-spacing:0.3px;color:var(--ink);}
.brand-sub{font-size:11px;color:var(--ink-soft);letter-spacing:0.4px;text-transform:uppercase;}
.topbar-actions{display:flex;gap:10px;}

/* ---------- BUTTONS ---------- */
.btn{
  font-family:inherit; font-size:13.5px; font-weight:600;
  border-radius:999px; padding:9px 18px; border:none; cursor:pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn:active{transform: scale(0.96);}
.btn-primary{
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  color:#fff; box-shadow: 0 4px 12px rgba(232,137,26,0.35);
}
.btn-primary:hover{box-shadow: 0 6px 16px rgba(232,137,26,0.5);}
.btn-ghost{
  background: #fff; color: var(--orange-text);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover{ border-color: var(--orange); }
.btn-small{padding:6px 14px;font-size:12.5px;}
.btn-magic{
  background: linear-gradient(135deg,#8b6fd6,#6f52c9);
  color:#fff; padding:9px 16px; width:100%;
  box-shadow: 0 4px 12px rgba(111,82,201,0.35);
}
.icon-btn{
  background:none;border:none;cursor:pointer;font-size:15px;color:var(--ink-soft);
  border-radius:8px; width:28px;height:28px; display:flex;align-items:center;justify-content:center;
}
.icon-btn:hover{background: var(--cream); color:var(--ink);}

/* ---------- WORKSPACE ---------- */
.workspace{
  flex:1; display:flex; overflow:hidden;
}
.flow-pane{
  flex: 0 0 70%;
  max-width:70%;
  display:flex; flex-direction:column;
  border-right: 1px solid var(--line);
}
.session-pane{
  flex: 0 0 30%;
  max-width:30%;
  display:flex; flex-direction:column;
  background: rgba(255,250,240,0.4);
}

.flow-pane-header{
  padding: 16px 26px 10px;
  display:flex; align-items:baseline; gap:12px;
}
.flow-pane-header h2{margin:0; font-size:16px; color:var(--ink);}
.hint{font-size:11.5px; color:var(--ink-soft);}

.flow-scroll{
  flex:1; overflow:auto; padding: 10px 26px 60px;
}
.flow-canvas{
  display:flex; flex-direction:column; align-items:center;
  min-height:100%;
  padding-top:6px;
}

/* ---------- FLOW SLOT (plus button gaps) ---------- */
.flow-branch{
  display:flex; flex-direction:column; align-items:center;
  width:100%;
}
.slot{
  position:relative;
  width: 360px;
  max-width:100%;
  height:22px;
  display:flex; align-items:center; justify-content:center;
}
.slot .slot-line{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:2px; height:100%; background: var(--line);
}
.slot-add{
  position:relative; z-index:2;
  width:16px;height:16px;border-radius:50%;
  background:#fff; border:1.5px solid var(--line);
  color:var(--orange-deep); font-size:10px; font-weight:900;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer; opacity:0; transition: opacity .15s ease, transform .15s ease, box-shadow .15s ease;
}
.slot:hover .slot-add, .slot-add.menu-open{
  opacity:1; box-shadow: var(--shadow); transform:scale(1.08);
}
.slot:hover .slot-line{background: var(--orange);}

.slot-menu{
  position:absolute; top: 30px; left:50%; transform:translateX(-50%);
  background:#fff; border:1px solid var(--line); border-radius:12px;
  box-shadow: var(--shadow); z-index:50; overflow:hidden; min-width:180px;
  display:none;
}
.slot-menu.open{display:block;}
.slot-menu button{
  display:flex; align-items:center; gap:10px; width:100%;
  padding:10px 14px; background:none; border:none; text-align:left;
  font-size:13px; color:var(--ink); cursor:pointer; font-family:inherit;
}
.slot-menu button:hover{background:var(--cream);}
.slot-menu .menu-icon{font-size:15px; width:18px; text-align:center;}

/* ---------- CELLS ---------- */
.cell{
  width:340px; max-width:100%;
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding:14px 16px;
  box-shadow: var(--shadow);
  cursor:pointer;
  position:relative;
  transition: border-color .12s ease, transform .12s ease;
  user-select:none;
}
.cell:hover{ border-color: var(--orange); }
.cell.selected{ border-color: var(--orange-deep); box-shadow: 0 0 0 3px rgba(232,137,26,0.25), var(--shadow); }
.cell.dragging{ opacity:0.5; }
.cell-label{
  font-size:9.5px; text-transform:uppercase; letter-spacing:0.6px;
  color: var(--ink-soft); margin-bottom:4px; font-weight:700;
}
.cell-text{
  font-size:14px; line-height:1.5; color:var(--ink);
  white-space:pre-wrap; word-break:break-word;
  min-height:1.4em;
}
.cell-text .tpl{
  background: rgba(232,137,26,0.15); color: var(--orange-text);
  border-radius:5px; padding:1px 5px; font-size:12px; font-weight:700;
  white-space:nowrap;
}
.cell-text .tpl.tpl-cond{
  background: rgba(111,82,201,0.15); color:#6f52c9;
}
.cell-text.empty::before{
  content:"Click to write…"; color:#c9b48a; font-style:italic;
}

/* tag cell */
.tag-cell{
  width:auto; padding:6px 16px; border-radius:999px;
  background: #fff4dd; border:1.5px dashed var(--orange);
  color: var(--orange-text); font-size:12px; font-weight:700;
  display:flex; align-items:center; gap:6px;
  box-shadow:none;
}
.tag-cell .tag-icon{font-size:12px;}

/* end cell */
.end-cell{
  width:auto; padding:8px 18px; border-radius:999px;
  background:#fff0ec; border:1.5px solid var(--red); color:var(--red);
  font-size:12px; font-weight:700; box-shadow:none;
}

/* ---------- CHOICE BLOCK ---------- */
.choice-block{
  width:100%; display:flex; flex-direction:column; align-items:center;
  padding: 4px 0 0;
}
.choice-header-badge{
  background: linear-gradient(135deg,#8b6fd6,#6f52c9); color:#fff;
  font-size:11px; font-weight:700; letter-spacing:0.4px;
  padding:5px 14px; border-radius:999px; margin-bottom:10px;
  box-shadow: 0 3px 8px rgba(111,82,201,0.3);
}
.choice-lanes{
  display:flex; gap:22px; align-items:flex-start; justify-content:center;
  width:100%; position:relative;
  padding: 0 6px;
}
.lane{
  flex:1; min-width:220px; max-width:340px;
  display:flex; flex-direction:column; align-items:center;
  background: rgba(255,255,255,0.35);
  border: 1.5px dashed var(--line);
  border-radius: 18px;
  padding: 14px 10px 18px;
}
.lane-label{
  font-size:11.5px; font-weight:700; color:#6f52c9;
  background:#efe8fb; padding:4px 12px; border-radius:999px;
  margin-bottom:10px; text-align:center;
}
.lane .flow-branch .slot{ width: 100%; }
.lane .cell, .lane .tag-cell, .lane .end-cell{ width:100%; }
.merge-badge{
  margin-top:14px;
  background:#fff; border:1.5px solid var(--green); color:var(--green);
  font-size:11px; font-weight:700; padding:6px 16px; border-radius:999px;
}

/* ---------- SESSION PANE / TABS ---------- */
.tabs{
  display:flex; border-bottom:1px solid var(--line); padding: 10px 16px 0;
  gap:4px;
}
.tab{
  background:none; border:none; font-family:inherit; cursor:pointer;
  padding:10px 16px; font-size:13px; font-weight:700; color:var(--ink-soft);
  border-radius: 10px 10px 0 0; position:relative;
}
.tab.active{ color: var(--orange-text); background:var(--card); }
.tab:hover{ color: var(--orange-text); }

.panel-body{ flex:1; overflow:hidden; display:flex; flex-direction:column; padding: 16px 20px 20px; }
.panel-view{ display:none; flex:1; flex-direction:column; overflow:hidden; }
.panel-view.active{ display:flex; }
.panel-view-header{ margin-bottom:10px; }
.panel-view-header h3{ margin:0 0 2px; font-size:15px; }
.panel-view-header{ display:flex; flex-direction:column; }
.panel-view-header:has(.close-editor){ flex-direction:row; align-items:center; justify-content:space-between; }

.project-textarea{
  flex:1; resize:none; width:100%;
  font-family: "SF Mono","Cascadia Code",Consolas,monospace;
  font-size:12.5px; line-height:1.6; color:var(--ink);
  background:#fffdf7; border:1.5px solid var(--line); border-radius:12px;
  padding:14px; outline:none;
}
.project-textarea:focus{ border-color: var(--orange); }
.panel-footer{ display:flex; align-items:center; gap:12px; margin-top:12px; }
.parse-status{ font-size:12px; color: var(--green); }
.parse-status.error{ color: var(--red); }

/* ---------- PREVIEW ---------- */
.preview-window{
  flex:1; background:#fffdf7; border:1.5px solid var(--line); border-radius:16px;
  padding:20px; display:flex; flex-direction:column; overflow:hidden; outline:none;
  cursor:pointer;
}
.preview-log{ flex:1; overflow-y:auto; display:flex; flex-direction:column; gap:12px; }
.preview-line{ font-size:14.5px; line-height:1.6; color:var(--ink); animation: fadeIn .25s ease; }
.preview-tag{
  align-self:center; font-size:10.5px; color:#6f52c9; text-transform:uppercase;
  letter-spacing:0.6px; background:#efe8fb; padding:3px 12px; border-radius:999px;
}
@keyframes fadeIn{ from{opacity:0; transform:translateY(4px);} to{opacity:1; transform:translateY(0);} }
.preview-choices{ display:flex; flex-direction:column; gap:8px; margin-top:10px; }
.preview-choice-btn{
  font-family:inherit; font-size:13.5px; font-weight:600; padding:10px 16px;
  border-radius:12px; border:1.5px solid var(--orange); background:#fff8ec;
  color: var(--orange-text); cursor:pointer; text-align:left;
}
.preview-choice-btn:hover{ background: var(--orange); color:#fff; }
.preview-advance{
  text-align:center; font-size:11px; color:var(--ink-soft); margin-top:10px;
  opacity:0.8;
}

/* ---------- SETTINGS ---------- */
.settings-form{ flex:1; overflow:auto; display:flex; flex-direction:column; gap:16px; }
.char-fieldset{
  border:1.5px solid var(--line); border-radius:14px; padding:14px 16px;
  background:#fffdf7;
}
.char-fieldset legend{ font-weight:800; color:var(--orange-text); padding:0 6px; font-size:13px; }
.char-fieldset label{ display:flex; flex-direction:column; font-size:12px; color:var(--ink-soft); gap:4px; margin-bottom:10px; font-weight:600; }
.char-fieldset input[type=text]{
  font-family:inherit; font-size:13.5px; padding:8px 10px; border-radius:8px;
  border:1.5px solid var(--line); outline:none; color:var(--ink);
}
.char-fieldset input[type=text]:focus{ border-color:var(--orange); }
.radio-row{ display:flex; align-items:center; gap:14px; flex-wrap:wrap; font-size:12.5px; color:var(--ink); margin-top:4px; }
.radio-row label{ display:flex; align-items:center; gap:5px; font-weight:600; margin:0; flex-direction:row; }
.radio-label{ font-weight:700; color:var(--ink-soft); }

/* ---------- EDITOR ---------- */
.cell-textarea{
  width:100%; min-height:140px; resize:vertical; font-family:inherit;
  font-size:14px; line-height:1.6; padding:12px; border-radius:12px;
  border:1.5px solid var(--line); outline:none; color:var(--ink);
}
.cell-textarea:focus{ border-color:var(--orange); }
.chip-row{ display:flex; flex-wrap:wrap; gap:8px; margin:12px 0; }
.chip{
  font-family:inherit; font-size:12px; font-weight:600; padding:7px 12px;
  border-radius:999px; border:1.5px solid var(--line); background:#fff;
  cursor:pointer; color:var(--ink);
}
.chip:hover{ border-color:var(--orange); color:var(--orange-text); }
.chip code{ background:none; }
.magic-row{ margin-top:6px; }
.field-label{ display:block; font-size:12px; font-weight:700; color:var(--ink-soft); margin: 10px 0 5px; }
#editor-tag-input, #tag-name-input, #choice-merge-name, #gender-male-text, #gender-female-text, #gender-other-text{
  width:100%; font-family:inherit; font-size:13.5px; padding:9px 11px;
  border-radius:9px; border:1.5px solid var(--line); outline:none;
}
#editor-tag-input:focus, #tag-name-input:focus, #choice-merge-name:focus,
#gender-male-text:focus, #gender-female-text:focus, #gender-other-text:focus{ border-color:var(--orange); }

/* ---------- MODALS ---------- */
.modal-backdrop{
  position:fixed; inset:0; background:rgba(74,58,36,0.35);
  display:none; align-items:center; justify-content:center; z-index:200;
}
.modal-backdrop.open{ display:flex; }
.modal{
  background:#fffaf0; border-radius:18px; width:460px; max-width:92vw;
  max-height:85vh; display:flex; flex-direction:column; box-shadow:0 20px 50px rgba(74,58,36,0.3);
}
.modal-small{ width:360px; }
.modal-header{ display:flex; align-items:center; justify-content:space-between; padding:16px 20px; border-bottom:1px solid var(--line); }
.modal-header h3{ margin:0; font-size:15px; }
.modal-body{ padding:18px 20px; overflow:auto; }
.modal-hint{ font-size:12px; color:var(--ink-soft); margin:0 0 12px; }
.modal-footer{ display:flex; justify-content:flex-end; gap:10px; padding:14px 20px; border-top:1px solid var(--line); }

.choice-option-row{
  display:flex; gap:8px; margin-bottom:8px; align-items:center;
}
.choice-option-row input{
  font-family:inherit; font-size:13px; padding:8px 10px; border-radius:8px;
  border:1.5px solid var(--line); outline:none;
}
.choice-option-row input.opt-label{ flex:1.3; }
.choice-option-row input.opt-header{ flex:1; }
.choice-option-row button{
  background:none; border:none; color:var(--red); cursor:pointer; font-size:14px;
  width:26px; height:26px; border-radius:8px;
}
.choice-option-row button:hover{ background:#fff0ec; }

/* ---------- CONTEXT MENU ---------- */
.context-menu{
  position:fixed; z-index:300; background:#fff; border:1px solid var(--line);
  border-radius:10px; box-shadow: var(--shadow); display:none; overflow:hidden;
  min-width:130px;
}
.context-menu.open{ display:block; }
.context-menu button{
  display:block; width:100%; text-align:left; padding:9px 14px; background:none;
  border:none; font-family:inherit; font-size:13px; color:var(--red); cursor:pointer;
}
.context-menu button:hover{ background:#fff0ec; }

/* scrollbars */
::-webkit-scrollbar{ width:9px; height:9px; }
::-webkit-scrollbar-thumb{ background: var(--line); border-radius:6px; }
::-webkit-scrollbar-thumb:hover{ background: var(--orange); }

@media (max-width: 900px){
  .flow-pane{ flex-basis:60%; max-width:60%; }
  .session-pane{ flex-basis:40%; max-width:40%; }
}