/* ========== BASE ========== */
html, body{
  margin:0;
  height:100%;
  font-family:"Roboto", system-ui, -apple-system, "Segoe UI", Arial;
}

body{
  display:flex;
  flex-direction:column;
}

.time,.rssi{
  font-size:12px;
  opacity:0.7;
}

/* Status */
#leanbotStatus{
  font-weight:700;
  color:#d32f2f;
  font-size:12px;
  display:none;
}

/* ========== TOP BAR ========== */
.lb-topbar{
  height:36px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:0 8px;
  border-bottom:1px solid #e5e5e5;
  background:#f8f9f9;
}

.lb-top-left,
.lb-top-right{
  display:flex;
  align-items:center;
  gap:12px;
}

.lb-tabs{
  display:flex;
  align-items:center;
  gap:12px;
}

/* buttons */
.lb-tab,
.lb-icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:5px 8px;
  border:0;
  background:transparent;
  border-radius:3px;
  cursor:pointer;
  line-height:1;
  font-size:12px;
  font-weight:700;
  letter-spacing:0.5px;
  outline:none;
}

.lb-tab.active{ background:#e0e0e0; }

.lb-tab.disabled,
.lb-icon-btn.disabled{
  pointer-events:none;
  opacity:0.5;
}

.lb-tab.disabled.hidden {
  visibility: hidden;
}

.lb-tab:hover,
.lb-icon-btn:hover{ background:#e0e0e0; }

.lb-tab:active,
.lb-icon-btn:active{ background:#d5d5d5; }

/* icons */
.lb-tab-icon,
.lb-icon-img{
  width:14px;
  height:14px;
  object-fit:contain;
  display:block;
}

#ptutorIcon{
  width:20px;
  height:20px;
  object-fit:contain;
  display:block;
}

#logoIcon{ height:16px; width:auto; display:block; }
#codeIcon{ width:12px; height:12px; }
#btnCode{ background:#e0e0e0; }

/* ========== BOTTOM BAR ========== */
.lb-bottombar{
  height:32px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:0 10px;
  border-top:1px solid #e5e5e5;
  background:#fff;
  font-size:11px;
  color:#000;
}

.lb-bottom-left{
  display:flex;
  align-items:center;
  gap:6px;
}

.lb-bottom-right{
  display:flex;
  align-items:center;
  gap:10px;
}

.lb-meta{
  font-size:11px;
  color:#000;
  white-space:nowrap;
}

/* server pill */
.lb-pill{
  padding:2px 8px;
  border-radius:10px;
  font-size:10px;
  font-weight:700;
}
.lb-pill.online{ background:#1fa400; color:#fff; }
.lb-pill.offline{ background:#d80000; color:#fff; }

#btnReconnect{
  display:none;
  color:#d32f2f;
}

/* ========== WORKSPACE ========== */
#workspace{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:8px;
  box-sizing:border-box;
  min-height:0;
}

/* normal */
#editorRow{
  display:grid;
  grid-template-columns: 250px 1fr;
  flex:1 1 0;
  min-height:0;
  transition: grid-template-columns 0.18s ease;
}

/* collapsed */
#editorRow.tree-collapsed{
  grid-template-columns: 32px 1fr;
}

/* hide tree content */
#editorRow.tree-collapsed #fileTreePanel{
  display:none;
}

/* toolbar layout */
#editorRow.tree-collapsed #fileTreeToolbar{
  justify-content:center;
  padding:6px 4px;
}

/* hide all buttons except Show Tree */
#editorRow.tree-collapsed #fileTreeToolbar > *:not(#btnShowTree){
  display:none;
}

#fileTreeColumn{
  display:flex;
  flex-direction:column;
  min-height:0;
  border-right:1px solid #333;
  background:#fafafa;
}

#fileTreeToolbar{
  display:flex;
  gap:3px;                 
  padding:3px;             
  background:#f0f0f0;
  border-bottom:1px solid #ccc;
  flex:0 0 auto; 
}

#fileTreeToolbar .lb-icon-btn{
  padding:2px 4px;         
  font-size:12px;         
  white-space: nowrap;
  flex: 0 0 auto;
  letter-spacing: 0px;
}

#btnShowTree{
  padding:2px 3px;
}

#fileTreeToolbar .lb-icon-img{
  width:12px;
  height:12px;
}

/* tighten text buttons */
#btnNewFile,
#btnNewFolder,
#btnLoadFile{
  letter-spacing:0;
  white-space:nowrap;
}

#fileTreePanel{
  flex:1 1 auto;
  min-height:0;
  overflow-y:auto;
}

.file-tree-item[disabled]{
  color: #000;
}

/* ========== TREE CONTEXT MENU ========== */
.ctx-menu{
  position:fixed;
  z-index:9999;
  background:#fff;
  border:1px solid #cfcfcf;
  border-radius:6px;
  padding:6px;
  box-shadow:0 6px 18px rgba(0,0,0,0.18);
  min-width:140px;
}

.ctx-menu.is-hidden{ display:none; }

.ctx-menu button{
  width:100%;
  text-align:left;
  border:0;
  background:transparent;
  padding:8px 10px;
  border-radius:4px;
  cursor:pointer;
  font-size:13px;
}

/* File tree selected / focused */
.file-tree-item {
  width: 100%;
  cursor: default !important;
}

.file-tree-item.is-selected {
  font-weight: bold;
}

.file-tree-item.is-focused {
  outline: 1px solid #050505;
}

#fileTreePanel.is-drop-hover{
  outline: 2px solid #93c5fd;
  outline-offset: -2px;
  background: #f0f9ff;
}

.ctx-menu button:hover{ background:#f2f2f2; }

#editorSection{
  flex:1 1 0;
  min-height:0;
  min-width: 0;
}

#codeEditor{
  width:100%;
  height:100%;
  box-sizing:border-box;
  font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

#blocklyEditor{
  width:100%;
  height:100%;
  overflow: hidden;  /* Hide overflow content, prevent scrollbars */
}

#blocklyInlineFrame {
  width: 100%;
  height: 100%;
}

/* serial open ratio (editor : serial = 1 : 1) */
#serialSection.is-hidden{ display:none; }

#workspace.serial-open #editorRow{
  flex:1 1 0;
  min-height:0;
}
#workspace.serial-open #serialSection{
  display:flex;
  flex:1 1 0;
  min-height:0;
}

/* ========== SERIAL SECTION ========== */
#serialSection{
  border:1px solid #ccc;
  background:#fff;
  display:flex;
  flex-direction:column;
  min-height:0;
}

/* Tabs bar */
#serialTabsBar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid #ccc;
  background:#f8f9f9;
}

#serialTabs{
  display:flex;
  gap:6px;
  padding:6px 8px;
}

#serialTabs .serial-tab{
  border:0;
  background:transparent;
  padding:6px 8px;
  border-radius:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:0.8px;
  color:#666;
  cursor:pointer;
}

/* đẩy cụm phải sang phải */
#serialTabsRight{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:6px; /* khoảng cách Auto hide ↔ Close */
  padding-right:4px;
}

#serialTabs .serial-tab.active{
  color:#1d1d1d;
  background:#efefef;
}

#btnCloseSerial{
  border:none;
  background:transparent;
  cursor:pointer;
  padding:4px 8px;
}
#btnCloseSerial:hover{
  background:#eee;
  border-radius:4px;
}

/* Panels */
#serialPanels{
  display:flex;
  flex-direction:column;
  flex:1;
  min-height:0;
}

.serial-panel{
  display:flex;
  flex-direction:column;
  flex:1;
  min-height:0;
}

.serial-panel.is-hidden{ display:none; }

/* Monitor log */
#serialLog{
  flex:1;
  min-height:0;
  width:100%;
  background:#000;
  color:#fff;
  font:13px monospace;
  overflow-y:auto;
  white-space:pre-wrap;
  border:1px solid #999;
  box-sizing:border-box;
  resize:none;
  caret-color:transparent;
}

/* Monitor bottom bar */
#serialBottom{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 8px;
  border-top:1px solid #ddd;
  background:#fafafa;
  flex-wrap:nowrap;
}

.serial-group{
  display:flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
}

.serial-send{
  flex:1;
  min-width:260px;
}

#serialInput{
  flex:1;
  min-width:180px;
  font-family:monospace;
  padding:6px 8px;
  border:1px solid #cfcfcf;
  border-radius:6px;
  box-sizing:border-box;
}

#serialBottom button{
  background:#fff;
  border:1px solid #cfcfcf;
  border-radius:6px;
  padding:6px 10px;
  font-size:13px;
  cursor:pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
#serialBottom button:hover{ background:#f2f2f2; }

.serial-actions{
  margin-left:auto;
  gap:6px;
}

.btn-small{
  padding:6px 8px;
  min-width:56px;
}

.text-checkbox{
  font-size:13px;
  display:flex;
  align-items:center;
  gap:6px;
}
.text-checkbox input{ transform: translateY(0.5px); }

/* ========== PROGRAM (COMPILE | UPLOAD) ========== */
#programPanel{min-height:0}

#programGrid{
  flex:1;
  min-height:0;
  height:100%;
  display:grid;
  grid-template-rows:1fr 2fr;
  gap:5px;
}

#programGrid.hide-upload {
  grid-template-rows: 1fr;

}

#programGrid.hide-upload #programUpload {
  display: none;
}

#programGrid.hide-upload #progCompile {
  height: 20%;
}

.group-box{
  min-height:0;
  display:flex;
  flex-direction:column;
  padding:3px;
  background:#fff;
  overflow:hidden;
}

/* 2 cột: trái progress, phải log */
.group-body{
  flex:1;
  min-height:0;
  display:grid;
  /* grid-template-columns:1fr 2fr; */
  grid-template-columns:250px 1fr;
  gap:5px;
}

/* cột progress */
.col-progress{
  min-height:0;
  display:flex;
  flex-direction:column;
  border:1px solid #ccc;
}

.group-header{
  display:flex;
  align-items:center;
  gap:4px;
  padding:4px;
  font-weight:bold;
  flex:0 0 auto;
}
.group-header .rssi{flex:1}
.group-header .title{text-align:center;white-space:nowrap}
.group-header .time{flex:1;text-align:right}

/* list progress tự chia đều chiều cao */
.progress-list{
  flex:1;
  min-height:0;
  display:flex;
  flex-direction:column;
  gap:5px;
}

.progress-wrapper{
  flex:1;
  min-height:0;
  display:flex;
  padding:3px;
  position:relative;
  box-sizing:border-box;
}

progress{
  width:100%;
  height:100%;
  display:block;
  appearance:none;
  -webkit-appearance:none;
  box-sizing:border-box;
}

/* cột log */
.msg-box{
  min-height:0;
  display:flex;
}
.msg-box > textarea{
  width:100%;
  height:100%;
  min-height:0;
  resize:none;
  box-sizing:border-box;
  font-family:monospace;
  overflow:auto;
  border:1px solid #bbb;
  caret-color:transparent;
}

/* Upload log: không wrap */
#uploadLog{
  white-space:pre;
  overflow-x:auto;
}

/* label nằm trên progress */
.progress-label{
  position:absolute;
  left:3px;
  right:3px;
  top:50%;
  transform:translateY(-50%);
  font-size:12px;
  line-height:1;
  text-align:center;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  pointer-events:none;
  color:#fff;
}

/* màu progress */
progress.yellow::-webkit-progress-value{background:#f4c542}
progress.yellow::-moz-progress-bar{background:#f4c542}
progress.green::-webkit-progress-value{background:#4caf50}
progress.green::-moz-progress-bar{background:#4caf50}
progress.red::-webkit-progress-value{background:#d32f2f}
progress.red::-moz-progress-bar{background:#d32f2f}

.black{color:#000}
.yellow{color:#f4c542}
.green{color:#4caf50}
.red{color:#d32f2f}

/* ========== MODAL (FILE SELECTION) ========== */
#fileModal.hidden{ display:none; }

#fileModal{
  position:fixed;
  inset:0;
  background: rgba(0,0,0,0.6);
  display:flex;
  justify-content:center;
  align-items:center;
  z-index:999;
}

.modal-content{
  background:#fff;
  padding:20px;
  border-radius:6px;
  text-align:center;
  box-shadow:0 4px 12px rgba(0,0,0,0.25);
}

.modal-content h3{ margin-bottom:10px; }

.fileOption{
  display:block;
  width:180px;
  margin:8px auto;
  padding:8px 10px;
  border-radius:4px;
  border:1px solid #444;
  cursor:pointer;
}

.fileOption:hover{ background:#eaeaea; }

#closeModal{ margin-top:12px; }

/* ========== RESPONSIVE (ngang điện thoại) ========== */
@media (max-width: 760px) and (orientation: landscape){
  #programGrid{ gap:4px; }

  .group-box{ padding:4px; }

  .group-header{
    padding:2px 4px;
    gap:4px;
  }

  .progress-wrapper{ padding:2px 4px; }

  .progress-wrapper progress{ height:16px; }

  .progress-label{
    font-size:11px;
    left:4px;
    right:4px;
  }

  .msg-box{ padding:2px 4px 4px 4px; }

  .msg-box textarea{ padding:4px; }
}