/* =========================================================================
   MicroPython ESP32 IDE — global stylesheet
   ========================================================================= */

*{box-sizing:border-box}
:root{
  --bg:#1e1e1e;--bg2:#252526;--bg3:#2d2d30;--bg4:#3c3c3c;
  --border:#3c3c3c;--fg:#cccccc;--fg2:#9a9a9a;
  --accent:#0e639c;--accent2:#1177bb;
  --danger:#c94f4f;--ok:#4ec9b0;--warn:#d7ba7d;
  --icon-size:16px;
}

html,body{
  height:100%;margin:0;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-smooth:always;
  text-rendering:optimizeLegibility;
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;font-size:13px;background:var(--bg);color:var(--fg);overflow:hidden}
#app{display:flex;flex-direction:column;height:100vh}

#editor,#diff-editor,#editor-wrap,#terminal,#terminal .xterm,
.help-view,.md-body,#debug-list{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}

/* ---------- Buttons ---------- */
button{background:transparent;color:var(--fg);border:1px solid transparent;border-radius:4px;padding:4px 8px;cursor:pointer;display:inline-flex;align-items:center;gap:5px;font-size:12px;font-family:inherit;white-space:nowrap;line-height:1}
button:hover{background:rgba(255,255,255,.08)}
button:active{background:rgba(255,255,255,.15)}
button.primary{background:var(--accent)}
button.primary:hover{background:var(--accent2)}
button:disabled{opacity:.4;cursor:not-allowed}
button svg{width:var(--icon-size);height:var(--icon-size);flex-shrink:0;pointer-events:none}
button.active{background:var(--accent);color:#fff}
.conn-btn{font-weight:500;border:1px solid transparent;transition:background .15s,border-color .15s,color .15s;min-width:145px;justify-content:center}
.conn-btn.state-disconnected{background:#4a4a4a;color:#ddd;border-color:#555}
.conn-btn.state-disconnected:hover{background:#565656}
.conn-btn.state-connecting{background:#0e639c;color:#fff}
.conn-btn.state-connecting:hover{background:#1177bb}
.conn-btn.state-connected{background:#2e7d32;color:#fff}
.conn-btn.state-connected:hover{background:#388e3c}
.conn-btn.state-reconnecting{background:#b8891a;color:#fff}
.conn-btn.state-reconnecting:hover{background:#c99a26}
.conn-btn.state-flashing{background:#6a3ea1;color:#fff}
.conn-btn.state-flashing:hover{background:#7c4cb8}
.conn-btn.state-error{background:#c62828;color:#fff}
.conn-btn.state-error:hover{background:#d33333}
.conn-btn.state-running{background:#e5a02b;color:#1a1a1a;border-color:#f0b040}
.conn-btn.state-running:hover{background:#f0b040}
.conn-btn:disabled{opacity:1;cursor:default}
.conn-btn.state-connecting .conn-label,
.conn-btn.state-reconnecting .conn-label,
.conn-btn.state-flashing .conn-label{animation:connPulse 1.3s ease-in-out infinite}
@keyframes connPulse{0%,100%{opacity:1}50%{opacity:.65}}

/* ---------- Inputs ---------- */
input,select,textarea{background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:4px;padding:5px 8px;font-family:inherit;font-size:13px;outline:none;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--accent2)}
input[type=checkbox]{width:auto;margin-right:6px}

/* ---------- Toggle ---------- */
.toggle{position:relative;display:inline-flex;align-items:center;gap:12px;cursor:pointer;user-select:none;font-size:13px;color:var(--fg);line-height:1.3;padding:2px 0}
.toggle input[type=checkbox]{position:absolute;opacity:0;pointer-events:none;width:0;height:0;margin:0}
.toggle .toggle-track{position:relative;width:68px;height:32px;border-radius:16px;background:var(--bg4);transition:background .15s;flex-shrink:0}
.toggle .toggle-track::after{content:"";position:absolute;left:4px;top:4px;width:24px;height:24px;border-radius:50%;background:#fff;transition:transform .15s;box-shadow:0 1px 3px rgba(0,0,0,.4)}
.toggle input:checked ~ .toggle-track{background:var(--accent2)}
.toggle input:checked ~ .toggle-track::after{transform:translateX(36px)}
.toggle input:focus-visible ~ .toggle-track{box-shadow:0 0 0 2px rgba(17,119,187,.5)}
.toggle:hover .toggle-track{background:#4a4a4a}
.toggle input:checked:hover ~ .toggle-track{background:#1a8bd3}
.toggle .toggle-label{color:var(--fg)}

/* Settings-dialog toggles: each on its own row, label on the left, switch
   flush against the right edge. The whole row highlights on hover so the
   user can see which setting they're about to change. Label and switch are
   vertically centered against each other. */
.settings-group .toggle{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:8px 10px;
  border-radius:4px;
  line-height:1.45;
  transition:background .12s;
}
.settings-group .toggle:hover{
  background:rgba(255,255,255,.05);
}
.settings-group .toggle .toggle-label{
  flex:1 1 auto;
  min-width:0;
  white-space:normal;
  word-break:break-word;
  overflow-wrap:anywhere;
}
.settings-group .toggle .toggle-track{
  flex:0 0 auto;
}
.settings-hint{
  font-size:11px;
  color:var(--fg2);
  line-height:1.55;
  margin:6px 0 12px;
  padding: 0 10px 14px 10px;
  white-space:normal;
  word-break:break-word;
  overflow-wrap:anywhere;
}

/* ---------- Top toolbar ---------- */
#toolbar{display:flex;align-items:center;gap:6px;padding:4px 5px;background:var(--bg3);border-bottom:1px solid var(--border);height:44px;flex-shrink:0;font-size:12px}
.tb-brand{display:inline-flex;align-items:center;gap:6px;color:var(--accent2);padding:4px}
.tb-brand svg{width:calc(var(--icon-size) + 6px);height:calc(var(--icon-size) + 6px)}
.tb-sep{width:1px;height:18px;background:var(--border);margin:0 4px;flex-shrink:0}
.tb-dev-info{display:flex;align-items:center;gap:8px;color:var(--fg2);white-space:nowrap;overflow:hidden;flex:0 1 auto;min-width:0}
.tb-dev-info>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:200px}
.spacer{flex:1}

/* =========================================================================
   DEVICE INFO: FS and RAM gauges
   ========================================================================= */
.tb-dev-info>span.dev-fs-wrap,
.tb-dev-info>span.dev-ram-wrap{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:3px 8px;
  border-radius:3px;
  overflow:hidden;
  min-width:150px;
  max-width:240px;
  background:rgb(0 0 0 / 23%);
  text-overflow:clip;
  white-space:normal;
}
.dev-fs-bar,
.dev-ram-bar{
  position:absolute;
  left:0;top:0;bottom:0;
  width:0%;
  transition:width .35s;
  pointer-events:none;
  z-index:0;
}
.dev-fs-bar{background:linear-gradient(0deg,#1d4766,rgb(14 99 156))}
.dev-ram-bar{background:linear-gradient(0deg,rgb(12 73 50),rgb(18 104 75))}
.dev-fs-text,
.dev-ram-text{
  position:relative;
  z-index:1;
  display:inline-flex;
  gap:4px;
  align-items:center;
  color:var(--fg);
}
#dev-id-wrap,#dev-mpy-wrap,#dev-mcu-wrap{cursor:pointer}
.dev-key{color:var(--fg2);opacity:.7}
.dev-copyable{cursor:pointer}
.dev-copyable:hover{color:#fff}
.dev-copyable.copied{color:var(--ok);transition:color .15s}

/* =========================================================================
   TOP BAR / TERMINAL ACTION BUTTONS
   ========================================================================= */
.btn-run-stop.state-idle{color:#22c55e}
.btn-run-stop.state-idle:hover{background:rgba(34,197,94,.15)}
.btn-run-stop.state-running{color:#ef4444}
.btn-run-stop.state-running:hover{background:rgba(239,68,68,.15)}
.btn-hard-reset{color:#4ea8ff}
.btn-hard-reset:hover{background:rgba(78,168,255,.15)}

/* ---------- Main layout ---------- */
#main{flex:1;display:flex;overflow:hidden;min-height:0;position:relative}
#sidebar{width:310px;min-width:180px;max-width:640px;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}
#sidebar.hidden{display:none}
#debug-sidebar{width:320px;min-width:180px;max-width:640px;background:var(--bg2);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}
#debug-sidebar.hidden{display:none}
#resizer-v,#resizer-r{width:4px;cursor:col-resize;background:transparent;flex-shrink:0}
#resizer-v.hidden,#resizer-r.hidden{display:none}
#resizer-v:hover,#resizer-r:hover{background:var(--accent2)}

/* ---------- Source tabs ---------- */
.source-tabs{display:flex;background:var(--bg3);border-bottom:1px solid var(--border);flex-shrink:0;align-items:stretch;height:32px}
.source-tab{display:flex;align-items:center;flex:1;min-width:0;border-bottom:2px solid transparent}
.source-tab.active{border-bottom-color:var(--accent2);background:var(--bg2);color:#fff}
.source-tab .src-btn{flex:1;min-width:0;border-radius:0;justify-content:center;padding:5px 8px;font-size:12px}
.source-tab .src-btn:hover{background:rgba(255,255,255,.06)}
.source-tab .src-btn.active{color:#fff}

/* ---------- Tree toolbar ---------- */
.tree-toolbar{display:flex;align-items:center;gap:2px;padding:3px 6px;background:var(--bg3);border-bottom:1px solid var(--border);flex-shrink:0;height:30px}
.tree-toolbar button{padding:4px}
.tree-toolbar button svg{width:calc(var(--icon-size) - 2px);height:calc(var(--icon-size) - 2px)}
.tree-toolbar #btn-delete-selected{background:rgba(201,79,79,.15);color:#e8a0a0;padding:3px 8px;gap:4px}
.tree-toolbar #btn-delete-selected:hover{background:rgba(201,79,79,.3);color:#fff}
.tree-toolbar #btn-delete-selected svg{width:calc(var(--icon-size) - 3px);height:calc(var(--icon-size) - 3px)}
.tree-toolbar #tree-sel-count{font-size:11px;font-weight:600}

/* ---------- Tree ---------- */
.tree-wrap{flex:1;position:relative;min-height:0;display:flex}
.tree{flex:1;overflow:auto;padding:4px 0;min-height:0;outline:none}
.tree::-webkit-scrollbar{width:9px;height:9px}
.tree::-webkit-scrollbar-thumb{background:#444;border-radius:4px}
.tree-empty{padding:8px 12px;color:var(--fg2);font-size:12px;font-style:italic}
#project-list.drag-over{background:rgba(14,99,156,.18);outline:2px dashed var(--accent2);outline-offset:-4px;border-radius:4px}
.tree-overlay{position:absolute;inset:0;background:rgba(30,30,30,.82);display:none;align-items:center;justify-content:center;z-index:6;pointer-events:all}
.tree-overlay.active{display:flex}
.tree-overlay-content{display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px;min-width:220px;max-width:85%}
.tree-overlay-status{font-size:12px;color:var(--fg);text-align:center;word-break:break-word}
.tree-overlay-progress{width:180px;height:4px;background:var(--bg4);border-radius:2px;overflow:hidden}
.tree-overlay-progress>div{height:100%;background:var(--accent2);width:0%;transition:width .15s}
.tree-overlay-progress>div.indeterminate{width:35%;animation:marquee 1.2s linear infinite}
@keyframes marquee{0%{transform:translateX(-100%)}100%{transform:translateX(400%)}}
.spinner{width:28px;height:28px;border:2.5px solid rgba(255,255,255,.15);border-top-color:var(--accent2);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.tree-item{display:flex;align-items:center;gap:4px;padding:2px 6px 2px 4px;cursor:pointer;font-size:12.5px;white-space:nowrap;overflow:hidden;user-select:none;border-radius:3px;margin:0 3px;position:relative;min-height:24px}
.tree-item:hover{background:rgba(255,255,255,.06)}
.tree-item.selected{background:var(--accent);color:#fff}
.tree-item.multiselected{background:rgba(14,99,156,.5);outline:1px solid var(--accent2);outline-offset:-1px}
.tree-item.multiselected:hover{background:rgba(14,99,156,.6)}
.tree-item.drop-target{background:rgba(78,201,176,.25);outline:1px dashed var(--ok);outline-offset:-1px}
.tree-item svg{width:calc(var(--icon-size) - 2px);height:calc(var(--icon-size) - 2px);flex-shrink:0;opacity:.9}
.tree-item .ti-chev{width:calc(var(--icon-size) - 2px);height:calc(var(--icon-size) - 2px);display:flex;align-items:center;justify-content:center;flex-shrink:0;opacity:.7}
.tree-item .ti-chev-spacer{width:calc(var(--icon-size) - 2px);height:calc(var(--icon-size) - 2px);flex-shrink:0}
.tree-item .ti-name{overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0}
.tree-item .ti-dirty{color:var(--warn);font-size:16px;line-height:0;flex-shrink:0;margin-right:2px}
.tree-item .ti-dirty.external{color:#6fb7ff}
.tree-item .ti-actions{display:none;gap:1px;margin-left:auto;flex-shrink:0}
.tree-item:hover .ti-actions{display:flex}
.tree-item .ti-actions button{padding:2px;border-radius:3px}
.tree-item .ti-actions button svg{width:calc(var(--icon-size) - 3px);height:calc(var(--icon-size) - 3px);opacity:.8}
.ti-badge{font-size:10px;padding:1px 4px;border-radius:3px;background:rgba(255,255,255,.1);color:var(--fg2);text-transform:uppercase}

/* ---------- Sidebar header ---------- */
.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:5px 8px;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--fg2);background:var(--bg3);border-bottom:1px solid var(--border);user-select:none;flex-shrink:0;height:28px}
.sidebar-header.resizable{cursor:row-resize}
.sidebar-header.resizable:hover{background:var(--bg4)}
.sidebar-header .btn-group{display:flex;gap:2px}
.sidebar-header button{padding:3px}
.sidebar-header button svg{width:calc(var(--icon-size) - 2px);height:calc(var(--icon-size) - 2px)}
.sidebar-header button.active{background:var(--accent);color:#fff}

/* ---------- Editor pane ---------- */
#editor-pane{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden;position:relative}

/* ---------- Tabs bar ---------- */
#tabs-bar{display:flex;align-items:stretch;background:var(--bg3);border-bottom:1px solid var(--border);height:34px;flex-shrink:0;overflow-x:auto;overflow-y:hidden}
#tabs-bar::-webkit-scrollbar{height:4px}
#tabs-bar::-webkit-scrollbar-thumb{background:#444}
.tab{display:flex;align-items:center;gap:5px;padding:0 8px 0 10px;cursor:pointer;font-size:12px;color:var(--fg2);border-right:1px solid var(--border);background:var(--bg2);white-space:nowrap;user-select:none;flex-shrink:0;max-width:240px;min-width:110px}
.tab:hover{background:var(--bg4)}
.tab.active{background:var(--bg);color:var(--fg);border-bottom:1px solid var(--bg)}
.tab.multi-selected{background:rgba(14,99,156,.45);color:#fff;box-shadow:inset 0 -2px 0 var(--accent2)}
.tab.dragging{opacity:.35}
.tab.drag-over-left{box-shadow:inset 3px 0 0 var(--accent2)}
.tab.drag-over-right{box-shadow:inset -3px 0 0 var(--accent2)}
.tab svg{width:calc(var(--icon-size) - 3px);height:calc(var(--icon-size) - 3px);flex-shrink:0;opacity:.85}
.tab .tab-name{overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0}
.tab .tab-dirty{color:var(--warn);font-size:16px;line-height:0}
.tab .tab-dirty.external{color:#6fb7ff}
.tab .tab-close{padding:0;width:18px;height:18px;border-radius:3px;display:flex;align-items:center;justify-content:center;background:transparent}
.tab .tab-close svg{width:calc(var(--icon-size) - 4px);height:calc(var(--icon-size) - 4px);opacity:.7}
.tab .tab-close:hover{background:rgba(255,255,255,.15)}
.tab-icon-device{color:#4ec9b0}
.tab-icon-project{color:#d7ba7d}
.tab-icon-local{color:#9a9a9a}
.tab-icon-diff{color:#c586c0}
.tab-icon-help{color:#6fb7ff}
.tab .tab-diff-icons{display:inline-flex;align-items:center;gap:1px;flex-shrink:0}
.tab .tab-diff-icons svg{width:calc(var(--icon-size) - 4px);height:calc(var(--icon-size) - 4px);flex-shrink:0;opacity:.9}
.tab .tab-diff-arrow{font-size:calc(var(--icon-size) - 6px);color:var(--fg2);opacity:.7;margin:0 -2px;line-height:1}

/* Colorized tabs */
body.colorize-tabs .tab.src-device{background:rgba(78,201,176,.12)}
body.colorize-tabs .tab.src-device:hover{background:rgba(78,201,176,.2)}
body.colorize-tabs .tab.src-device.active{background:rgba(78,201,176,.24);border-bottom-color:#4ec9b0;color:#e3fff8}
body.colorize-tabs .tab.src-device.multi-selected{background:rgba(78,201,176,.4);box-shadow:inset 0 -2px 0 #4ec9b0;color:#fff}
body.colorize-tabs .tab.src-project{background:rgba(215,186,125,.12)}
body.colorize-tabs .tab.src-project:hover{background:rgba(215,186,125,.2)}
body.colorize-tabs .tab.src-project.active{background:rgba(215,186,125,.24);border-bottom-color:#d7ba7d;color:#fff7e6}
body.colorize-tabs .tab.src-project.multi-selected{background:rgba(215,186,125,.4);box-shadow:inset 0 -2px 0 #d7ba7d;color:#fff}
body.colorize-tabs .tab.src-local{background:rgba(154,154,154,.08)}
body.colorize-tabs .tab.src-local.active{background:rgba(154,154,154,.18);border-bottom-color:#9a9a9a}
body.colorize-tabs .tab.src-diff{background:rgba(197,134,192,.14)}
body.colorize-tabs .tab.src-diff:hover{background:rgba(197,134,192,.22)}
body.colorize-tabs .tab.src-diff.active{background:rgba(197,134,192,.26);border-bottom-color:#c586c0;color:#f8e3ff}
body.colorize-tabs .tab.src-diff.multi-selected{background:rgba(197,134,192,.4);box-shadow:inset 0 -2px 0 #c586c0;color:#fff}
body.colorize-tabs .tab.src-help{background:rgba(111,183,255,.12)}
body.colorize-tabs .tab.src-help:hover{background:rgba(111,183,255,.2)}
body.colorize-tabs .tab.src-help.active{background:rgba(111,183,255,.26);border-bottom-color:#6fb7ff;color:#e6f3ff}
body.colorize-tabs .tab.src-help.multi-selected{background:rgba(111,183,255,.4);box-shadow:inset 0 -2px 0 #6fb7ff;color:#fff}

.tabs-bar-add{padding:0 10px;height:100%;display:flex;align-items:center;color:var(--fg2);cursor:pointer;border-right:1px solid var(--border);flex-shrink:0}
.tabs-bar-add:hover{background:var(--bg4);color:var(--fg)}
.tabs-bar-add svg{width:calc(var(--icon-size) - 2px);height:calc(var(--icon-size) - 2px)}
.tabs-bar-add.close-all{margin-left:auto;color:#e8a0a0}
.tabs-bar-add.close-all:hover{background:rgba(201,79,79,.25);color:#fff}
.tabs-bar-empty{padding:0 12px;height:100%;display:flex;align-items:center;color:var(--fg2);font-style:italic;font-size:11.5px}

/* ---------- Editor toolbar ---------- */
#editor-toolbar{display:flex;align-items:center;gap:2px;padding:3px 6px;background:var(--bg3);border-bottom:1px solid var(--border);height:34px;flex-shrink:0}
#editor-toolbar button{padding:4px}
#editor-toolbar button svg{width:calc(var(--icon-size) - 1px);height:calc(var(--icon-size) - 1px)}
#editor-toolbar #btn-diff-tabs{background:rgba(197,134,192,.2);color:#e5a6e0}
#editor-toolbar #btn-diff-tabs:hover{background:rgba(197,134,192,.35)}
#editor-toolbar #btn-run-editor{background:rgba(78,201,176,.2);color:#7febd1}
#editor-toolbar #btn-run-editor:hover{background:rgba(78,201,176,.35);color:#fff}

/* ---------- Editor wrap / diff / help ---------- */
#editor-wrap{flex:1;position:relative;min-height:0}
#editor{position:absolute;inset:0}
#diff-editor{position:absolute;inset:0;display:none}
#editor-wrap.diff-active #editor{display:none}
#editor-wrap.diff-active #diff-editor{display:block}
#editor.drag-over::after{content:"";position:absolute;inset:0;border:2px dashed var(--accent2);background:rgba(14,99,156,.1);pointer-events:none;z-index:10}

/* ---------- Terminal ---------- */
#terminal-pane{height:240px;min-height:0;display:flex;flex-direction:column;background:#1a1a1a;border-top:1px solid var(--border);flex-shrink:0}
#terminal-pane.hidden{display:none}
#terminal-toolbar{display:flex;align-items:center;gap:4px;padding:3px 8px;background:var(--bg3);border-bottom:1px solid var(--border);height:32px;flex-shrink:0;cursor:row-resize;user-select:none}
#terminal-toolbar:hover{background:var(--bg4)}
#terminal-toolbar span.label{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--fg2)}
#terminal-toolbar button{padding:4px;cursor:pointer}
#terminal-toolbar button svg{width:calc(var(--icon-size) - 1px);height:calc(var(--icon-size) - 1px)}
#terminal{flex:1;padding:4px 6px;min-height:0;overflow:hidden;position:relative}
#terminal .xterm{height:100%}
#terminal .xterm-viewport{overflow-y:auto !important}

/* ---------- Debug sidebar ---------- */
#debug-sidebar{display:flex;flex-direction:column;overflow:hidden}
.debug-header{display:flex;align-items:center;justify-content:space-between;padding:5px 8px;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--fg2);background:var(--bg3);border-bottom:1px solid var(--border);user-select:none;flex-shrink:0;height:32px}
.debug-header .btn-group{display:flex;gap:2px}
.debug-header button{padding:3px}
.debug-header button svg{width:calc(var(--icon-size) - 2px);height:calc(var(--icon-size) - 2px)}
.debug-header button.active{background:var(--accent);color:#fff}
#debug-list{flex:1;overflow:auto;padding:2px 0;font-family:Menlo,Monaco,Consolas,monospace;font-size:12px}
#debug-list::-webkit-scrollbar{width:9px}
#debug-list::-webkit-scrollbar-thumb{background:#444;border-radius:4px}
.debug-empty{padding:12px;color:var(--fg2);font-style:italic;font-size:12px}
.dt-row{display:flex;align-items:baseline;gap:6px;padding:2px 8px 2px 0;cursor:default;line-height:1.4;white-space:nowrap}
.dt-row:hover{background:rgba(255,255,255,.04)}
.dt-chev{width:16px;height:16px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;opacity:.75}
.dt-chev:hover{opacity:1;color:var(--accent2)}
.dt-chev svg{width:calc(var(--icon-size) - 3px);height:calc(var(--icon-size) - 3px)}
.dt-chev-spacer{width:16px;height:16px;display:inline-block;flex-shrink:0}
.dt-name{color:#9cdcfe;flex-shrink:0}
.dt-type{color:#7c7c7c;font-size:10px;flex-shrink:0}
.dt-val{color:#ce9178;font-size:11.5px;overflow:hidden;text-overflow:ellipsis;min-width:0}

/* ---------- Debugger filters ---------- */
.debug-filters{display:flex;flex-wrap:wrap;gap:4px;padding:6px 8px;background:var(--bg2);border-bottom:1px solid var(--border);flex-shrink:0}
.debug-filter-btn{display:inline-flex;align-items:center;gap:4px;padding:2px 6px 2px 5px;font-size:11px;border-radius:3px;background:rgba(255,255,255,.04);color:var(--fg2);border:1px solid transparent;cursor:pointer;line-height:1.4;font-family:Menlo,Monaco,Consolas,monospace}
.debug-filter-btn:hover{background:rgba(255,255,255,.1)}
.debug-filter-btn.active{background:rgba(14,99,156,.35);color:#fff;border-color:var(--accent2)}
.debug-filter-btn svg{width:12px;height:12px;flex-shrink:0;opacity:.85}
.debug-filter-btn.active svg{opacity:1}
.debug-filter-count{font-size:10px;padding:0 5px;background:rgba(255,255,255,.08);border-radius:8px;color:var(--fg2);margin-left:1px}
.debug-filter-btn.active .debug-filter-count{background:rgba(0,0,0,.28);color:#fff}
.dt-group{margin-bottom:2px}
.dt-group-header{display:flex;align-items:center;gap:6px;padding:4px 8px;background:rgba(255,255,255,.03);font-size:10.5px;text-transform:uppercase;letter-spacing:.5px;color:var(--fg2);font-weight:600;border-bottom:1px solid rgba(255,255,255,.05);position:sticky;top:0;z-index:1;font-family:Menlo,Monaco,Consolas,monospace}
.dt-group-header svg{width:12px;height:12px;opacity:.75;flex-shrink:0}
.dt-group-count{margin-left:auto;font-size:10px;background:rgba(255,255,255,.07);padding:1px 6px;border-radius:8px;color:var(--fg2);font-weight:500;letter-spacing:0}

/* ---------- Modals ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fade .12s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{background:var(--bg2);border:1px solid var(--border);border-radius:8px;min-width:420px;max-width:90vw;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 12px 40px rgba(0,0,0,.5);overflow:hidden}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);font-weight:500;font-size:14px}
.modal-body{padding:16px;overflow:auto;flex:1;min-height:0}

/* When the body's first child is a tab strip, drop the top padding so the
   sticky strip sits flush against the modal header. The strip extends
   horizontally via negative side margins; its own padding keeps content
   off the modal edges. */
.modal-body:has(> .tabs-bar-modal){padding-top:0}

.modal-body p{margin:0 0 10px}
.modal-body p:last-child{margin-bottom:0}
.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:14px 16px;border-top:1px solid var(--border);background:var(--bg);flex-shrink:0}
.modal-footer button{
  min-width:128px;
  padding:9px 18px;
  font-size:13px;
  justify-content:center;
  white-space:nowrap;
}
.modal-footer button svg{width:calc(var(--icon-size) + 1px);height:calc(var(--icon-size) + 1px)}
.modal-footer button.danger{background:var(--danger);color:#fff}
.modal-footer button.danger:hover{background:#d55858}
.field{margin-bottom:12px}
.field:last-child{margin-bottom:0}
.field label{display:block;font-size:12px;color:var(--fg2);margin-bottom:4px}
.row{display:flex;gap:8px;align-items:center}
.row>*{flex:1}
.row>.fixed{flex:none}
.file-picker{display:flex;align-items:stretch;gap:0;border:1px solid var(--border);border-radius:4px;overflow:hidden;background:var(--bg);min-height:30px}
.file-picker:focus-within{border-color:var(--accent2)}
.file-picker input[type=file]{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none;left:-9999px}
.file-picker .fp-btn{padding:6px 12px;background:rgba(255,255,255,.04);border-radius:0;border:none;border-right:1px solid var(--border);font-size:12px}
.file-picker .fp-btn:hover{background:rgba(255,255,255,.1)}
.file-picker .fp-btn svg{width:calc(var(--icon-size) - 2px);height:calc(var(--icon-size) - 2px)}
.file-picker .fp-name{flex:1;padding:6px 10px;font-size:12px;color:var(--fg2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;align-self:center}
.context-menu{position:fixed;background:var(--bg3);border:1px solid var(--border);border-radius:6px;padding:4px;z-index:2000;min-width:190px;box-shadow:0 8px 24px rgba(0,0,0,.5)}
.context-item{display:flex;align-items:center;gap:8px;padding:6px 10px;cursor:pointer;border-radius:4px;font-size:12.5px;white-space:nowrap}
.context-item:hover{background:var(--accent)}
.context-item.danger:hover{background:var(--danger)}
.context-item svg{width:calc(var(--icon-size) - 2px);height:calc(var(--icon-size) - 2px);flex-shrink:0}
.context-sep{height:1px;background:var(--border);margin:4px 0}

/* ---------- Toasts ---------- */
#toasts{position:fixed;bottom:16px;right:16px;display:flex;flex-direction:column;gap:8px;z-index:3000}
.toast{background:var(--bg3);border:1px solid var(--border);border-left:3px solid var(--accent2);padding:10px 14px;border-radius:6px;font-size:12.5px;min-width:220px;max-width:420px;box-shadow:0 6px 20px rgba(0,0,0,.4);animation:slideIn .15s ease}
.toast.error{border-left-color:var(--danger)}
.toast.success{border-left-color:var(--ok)}
@keyframes slideIn{from{transform:translateX(20px);opacity:0}to{transform:none;opacity:1}}

/* ---------- Firmware library ---------- */
.fw-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border:1px solid var(--border);border-radius:6px;margin-bottom:6px;background:var(--bg);cursor:pointer;transition:background .1s,border-color .1s}
.fw-item.selected{background:rgba(30,136,229,.18);border-color:var(--accent2)}
.fw-item .meta{font-size:11px;color:var(--fg2)}
.fw-item .fw-main{flex:1;min-width:0;overflow:hidden}
.fw-item .fw-actions{display:flex;align-items:center;gap:6px;flex:none}
.file-list{margin-top:8px}
.file-row{display:flex;gap:6px;align-items:center;margin-bottom:6px}
.file-row input.addr{width:100px;flex:none;font-family:monospace}
.file-row .fn{flex:1;overflow:hidden;text-overflow:ellipsis}

/* ---------- Progress bars ---------- */
.progress{height:8px;background:var(--bg4);border-radius:4px;overflow:hidden}
.progress>div{height:100%;background:linear-gradient(90deg,#0e639c,#1177bb);width:0%;transition:width .15s}
.progress>div.erasing{background:linear-gradient(90deg,#0e639c,#1177bb);transition:width 50ms linear}
.progress>div.flashing{background:linear-gradient(90deg,#d97706,#f59e0b)}

/* ---------- Busy overlay ---------- */
.busy-overlay{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;z-index:1500;color:#fff;font-size:14px;pointer-events:all}

/* ---------- Modal tab strip ---------- */
.tabs-bar-modal{
  display:flex;
  gap:4px;
  border-bottom:1px solid var(--border);
  margin:0 -16px 16px;
  position:sticky;
  top:0;
  z-index:10;
  background:var(--bg2);
}
.tabs-bar-modal button{
  border-radius:0;
  padding:10px 16px;
  border-bottom:2px solid transparent;
}
.tabs-bar-modal button.active{
  border-bottom-color:var(--accent2);
  color:#fff;
}
.flash-options{display:flex;gap:14px;padding-top:10px;border-top:1px solid var(--border);margin-top:10px;font-size:12px;color:var(--fg2);flex-wrap:wrap}
.flash-options label{display:flex;align-items:center;gap:4px;cursor:pointer}

/* ---------- File operations ---------- */
.fileops{min-width:540px;max-width:80vw}
.fileops-total-progress{height:10px;background:var(--bg4);border-radius:5px;overflow:hidden;margin-bottom:10px}
.fileops-total-progress>div{height:100%;background:linear-gradient(90deg,#0e639c,#1177bb);width:0%;transition:width .15s}
.fileops-summary{display:flex;justify-content:space-between;font-size:12px;color:var(--fg2);margin-bottom:8px}
.fileops-list{max-height:280px;overflow:auto;border:1px solid var(--border);border-radius:4px;background:var(--bg)}
.fileops-list::-webkit-scrollbar{width:8px}
.fileops-list::-webkit-scrollbar-thumb{background:#444;border-radius:4px}
.fileops-item{display:flex;align-items:center;gap:8px;padding:7px 10px;font-size:12.5px;border-bottom:1px solid var(--border);color:var(--fg2)}
.fileops-item:last-child{border-bottom:none}
.fileops-item.active{background:rgba(14,99,156,.15);color:var(--fg)}
.fileops-item.done .fileops-icon{color:var(--ok)}
.fileops-item.error{background:rgba(201,79,79,.12);color:#e8a0a0}
.fileops-item.error .fileops-icon{color:var(--danger)}
.fileops-icon{display:flex;align-items:center;width:16px;height:16px;flex-shrink:0}
.fileops-icon svg{width:calc(var(--icon-size) - 2px);height:calc(var(--icon-size) - 2px)}
.fileops-item.active .fileops-icon svg{animation:spin 1s linear infinite}
.fileops-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--fg)}
.fileops-msg{font-size:11px;color:var(--fg2)}
.fileops-status{font-size:11px;color:var(--fg2);min-height:14px;margin-top:8px}

/* ---------- Flash terminal host ---------- */
.flash-term-host{height:260px;background:#1a1a1a;border-radius:6px;padding:6px;overflow:hidden;position:relative}
.flash-term-host .xterm{height:100%}
.flash-term-host .xterm-viewport{overflow-y:auto !important}

/* ---------- Sidebar drag-over ---------- */
#sidebar.drag-over{background:rgba(14,99,156,.12)}
#sidebar.drag-over .tree{outline:2px dashed var(--accent2);outline-offset:-6px;border-radius:4px}

/* ---------- Partition table ---------- */
.part-table{width:100%;border-collapse:collapse;font-size:12px;margin:0}
.part-table th{text-align:left;padding:6px 8px;background:var(--bg3);color:var(--fg2);font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}
.part-table td{padding:6px 8px;border-bottom:1px solid rgba(255,255,255,.05);vertical-align:middle}
.part-table tr:last-child td{border-bottom:none}
.part-table tr:hover td{background:rgba(255,255,255,.03)}
.part-table .fp-label{font-family:Menlo,Monaco,Consolas,monospace;color:#9cdcfe}
.part-table .fp-type{color:#d7ba7d;font-size:11.5px}
.part-table .fp-addr{font-family:Menlo,Monaco,Consolas,monospace;color:var(--fg2);font-size:11.5px}
.part-table .fp-size{color:var(--fg2);font-size:11.5px;white-space:nowrap}
.part-table .fp-act{text-align:right;width:1%;white-space:nowrap}
.part-table .fp-act button{padding:3px 8px;font-size:11.5px}
.quick-actions{display:flex;gap:8px;margin:0 0 12px;flex-wrap:wrap}
.quick-actions button{padding:4px 10px;font-size:11.5px;background:rgba(255,255,255,.06)}
.quick-actions button:hover{background:rgba(255,255,255,.12)}

/* ---------- MicroPython.org link box ---------- */
.mpy-hint{padding:10px 12px;background:rgba(14,99,156,.15);border-left:3px solid var(--accent2);border-radius:4px;font-size:12px;color:var(--fg2);margin-bottom:10px;line-height:1.5}
.mpy-link-box{display:flex;flex-direction:column;gap:10px;padding:14px;background:var(--bg);border:1px solid var(--border);border-radius:6px}
.mpy-open-link{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;background:var(--accent);color:#fff;border-radius:6px;font-size:13px;text-decoration:none;font-weight:500;transition:background .15s}
.mpy-open-link:hover{background:var(--accent2)}
.mpy-open-link svg{width:var(--icon-size);height:var(--icon-size)}
.mpy-link-url{font-family:Menlo,Monaco,Consolas,monospace;font-size:11px;color:var(--fg2);word-break:break-all;line-height:1.4}

/* ---------- Settings dialog ---------- */
.settings-group{
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--border);
  max-width:640px;
}
.settings-group:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.settings-group h4{margin:0 0 10px;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--fg2);font-weight:600}
.settings-group .field{margin-bottom:10px}
.field label.toggle{display:inline-flex;font-size:13px;color:var(--fg);margin-bottom:0;padding:2px 0}

/* ---------- Help view ---------- */
#help-view{position:absolute;inset:0;display:none;overflow:auto;background:var(--bg);scroll-behavior:smooth}
#editor-wrap.help-active #editor{display:none}
#editor-wrap.help-active #diff-editor{display:none}
#editor-wrap.help-active #help-view{display:block}
#help-view::-webkit-scrollbar{width:10px}
#help-view::-webkit-scrollbar-thumb{background:#444;border-radius:5px}
.md-body{max-width:900px;margin:0 auto;padding:24px 32px 80px;line-height:1.65;color:var(--fg);font-size:14px}
.md-body h1{font-size:26px;margin:8px 0 16px;color:#fff;border-bottom:1px solid var(--border);padding-bottom:8px;font-weight:600}
.md-body h2{font-size:20px;margin:32px 0 12px;color:#e8e8e8;border-bottom:1px solid var(--border);padding-bottom:5px;font-weight:600}
.md-body h3{font-size:16px;margin:22px 0 10px;color:#dcdcdc;font-weight:600}
.md-body h4{font-size:14px;margin:16px 0 8px;color:#c8c8c8;font-weight:600}
.md-body p{margin:0 0 10px}
.md-body ul,.md-body ol{margin:0 0 12px;padding-left:24px}
.md-body li{margin:3px 0}
.md-body li > ul,.md-body li > ol{margin:3px 0 5px}
.md-body a{color:var(--accent2);text-decoration:none}
.md-body a:hover{text-decoration:underline}
.md-body strong{color:#eaeaea;font-weight:600}
.md-body em{color:#d0d0d0}
.md-body code{font-family:Menlo,Monaco,Consolas,monospace;font-size:12.5px;background:rgba(255,255,255,.08);padding:1px 5px;border-radius:3px;color:#e0c08e}
.md-body pre{background:#151515;border:1px solid var(--border);border-radius:6px;padding:12px 14px;overflow-x:auto;font-size:12.5px;line-height:1.55;margin:10px 0 14px}
.md-body pre code{background:none;padding:0;color:#d4d4d4;font-size:inherit}
.md-body blockquote{margin:12px 0;padding:10px 16px;border-left:3px solid var(--accent2);background:rgba(17,119,187,.08);color:var(--fg2);border-radius:0 4px 4px 0}
.md-body blockquote p{margin:0}
.md-body hr{border:none;border-top:1px solid var(--border);margin:28px 0}
.md-body table{border-collapse:collapse;margin:10px 0 18px;font-size:13px;width:auto;max-width:100%}
.md-body th,.md-body td{border:1px solid var(--border);padding:6px 12px;text-align:left;vertical-align:top}
.md-body th{background:var(--bg3);color:var(--fg2);font-weight:600}
.md-body tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.md-body .md-toc{background:var(--bg3);border:1px solid var(--border);border-left:3px solid var(--accent2);border-radius:4px;padding:12px 18px 14px;margin:20px 0 28px;max-width:640px}
.md-body .md-toc-title{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--fg2);font-weight:600;margin-bottom:8px}
.md-body .md-toc-list{list-style:none;padding-left:0;margin:0}
.md-body .md-toc-list .md-toc-list{padding-left:22px;margin:3px 0 4px;border-left:1px solid var(--border)}
.md-body .md-toc-item{margin:3px 0;line-height:1.5}
.md-body .md-toc-item>a{color:var(--fg);text-decoration:none;display:inline-block;padding:1px 0}
.md-body .md-toc-item>a:hover{color:var(--accent2);text-decoration:underline}
.md-body .md-toc-num{color:var(--fg2);font-variant-numeric:tabular-nums;font-weight:500;min-width:1.6em;display:inline-block}
.md-body .md-h-num{color:var(--fg2);font-weight:500;font-variant-numeric:tabular-nums;margin-right:2px}
.md-body h2,.md-body h3{scroll-margin-top:16px}

/* ---------- Ruff decorations ---------- */
.monaco-editor .ruff-line-error{
  background:rgba(255,70,55,.28);
  box-shadow:inset 4px 0 0 0 #ff4637;
}

/* ---------- External-change buttons ---------- */
#btn-reload-device.state-external,
#btn-diff-device.state-external{
  background:rgba(30,136,229,.28);
  color:#7fc4ff;
  border:1px solid rgba(30,136,229,.5);
}
#btn-reload-device.state-external:hover,
#btn-diff-device.state-external:hover{
  background:rgba(30,136,229,.45);
  color:#fff;
}
.tree-item .ti-actions button.external{
  background:rgba(30,136,229,.28);
  color:#7fc4ff;
}
.tree-item .ti-actions button.external:hover{
  background:rgba(30,136,229,.5);
  color:#fff;
}