:root{
    --bg-0:#171916;
    --bg-1:#1e211d;
    --bg-2:#232620;
    --bg-3:#2b2f28;
    --bg-4:#353a32;
    --border:rgba(245,242,233,0.12);
    --border-soft:rgba(245,242,233,0.075);
    --border-accent:rgba(243,106,45,0.46);
    --text:#f5f2e9;
    --text-dim:#bfc3ba;
    --text-faint:#777d74;
    --accent:#f36a2d;
    --accent-strong:#ff9b6e;
    --accent-deep:#b84216;
    --teal:#cdd9c8;
    --teal-deep:#2f5d45;
    --amber:#e7ad58;
    --danger:#f07178;
    --warn:#e7ad58;
    --accent-glow:rgba(243,106,45,0.22);
    --teal-glow:rgba(47,93,69,0.18);
    --paper:#f5f2e9;
    --paper-alt:#eeeae0;
    --paper-surface:#ffffff;
    --paper-border:#dcd8cd;
    --ink:#10110f;
    --shadow:0 18px 50px rgba(0,0,0,0.34);
    --radius:14px;
    --c-html:#f36a2d;
    --c-css:#8eb69b;
    --c-js:#e7ad58;
    --c-ts:#96a5c8;
    --c-json:#cdd9c8;
    --c-md:#d6a184;
    --c-php:#b2a4bd;
    --c-py:#90b89c;
    --c-img:#e58baa;
    --c-other:#9ea39a;
    --editor-font-size:13px;
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;height:100%;background:var(--bg-0);}
  html{-webkit-text-size-adjust:100%;}
  .mobile-only{display:none!important;}
  body{
    font-family:'Space Grotesk',sans-serif;
    color:var(--text);
    display:flex;
    flex-direction:column;
    height:100vh;
    height:100dvh;
    overflow:hidden;
    background:
      radial-gradient(circle at 16% -12%, rgba(243,106,45,.18), transparent 30%),
      radial-gradient(circle at 92% 5%, rgba(47,93,69,.10), transparent 26%),
      var(--bg-0);
  }
  button,input,textarea{font:inherit;}

  .topbar{
    min-height:68px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:10px 18px;
    background:rgba(9,12,17,.88);
    border-bottom:1px solid var(--border);
    box-shadow:0 10px 34px rgba(0,0,0,.18);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    flex-shrink:0;
    position:relative;
    z-index:5;
  }
  .topbar::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:-1px;height:1px;
    background:linear-gradient(90deg,transparent,rgba(243,106,45,.7),rgba(47,93,69,.45),transparent);
    opacity:.58;
    pointer-events:none;
  }
  .brand{display:flex;align-items:center;gap:12px;min-width:0;}
  .brand-mark{
    width:40px;height:40px;
    display:grid;place-items:center;
    border-radius:13px;
    color:white;
    background:linear-gradient(145deg,var(--accent),#b84216 56%,#232620);
    border:1px solid rgba(255,255,255,.14);
    box-shadow:0 0 0 4px rgba(243,106,45,.08),0 12px 30px rgba(91,35,12,.34);
    flex-shrink:0;
  }
  .brand-mark svg{width:24px;height:24px;display:block;}
  .brand-copy{display:flex;flex-direction:column;gap:2px;min-width:0;}
  .brand .name{
    font-size:13px;
    font-weight:700;
    letter-spacing:.16em;
    color:var(--text);
    white-space:nowrap;
  }
  .brand .sub{
    margin:0;
    font-family:'JetBrains Mono',monospace;
    font-size:10.5px;
    letter-spacing:.035em;
    color:var(--text-dim);
    white-space:nowrap;
  }
  .brand .sub strong{color:var(--teal);font-weight:500;}
  .actions{display:flex;gap:8px;align-items:center;}
  .btn{
    min-height:38px;
    font-size:12.5px;
    font-weight:600;
    color:var(--text);
    background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
    border:1px solid var(--border);
    border-radius:11px;
    padding:8px 14px;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:7px;
    transition:transform .15s ease,background .15s ease,border-color .15s ease,box-shadow .15s ease;
  }
  .btn:hover{background:var(--bg-4);border-color:rgba(233,236,241,.18);transform:translateY(-1px);}
  .btn:active{transform:translateY(0) scale(.98);}
  .btn.primary{
    color:#fff;
    background:linear-gradient(135deg,var(--accent),var(--accent-deep));
    border-color:rgba(255,155,110,.62);
    box-shadow:0 10px 24px rgba(184,66,22,.25),inset 0 1px 0 rgba(255,255,255,.14);
  }
  .btn.primary:hover{background:linear-gradient(135deg,var(--accent-strong),#df5920);box-shadow:0 12px 30px rgba(184,66,22,.34);}
  .btn.primary svg{filter:drop-shadow(0 0 5px rgba(255,255,255,.25));}
  .btn svg{width:14px;height:14px;flex-shrink:0;}
  .autorun{
    display:flex;align-items:center;gap:8px;
    min-height:38px;
    padding:0 10px;
    border:1px solid var(--border-soft);
    border-radius:11px;
    background:rgba(255,255,255,.018);
    font-size:10.5px;
    color:var(--text-dim);
    font-family:'JetBrains Mono',monospace;
    letter-spacing:.03em;
    user-select:none;
  }
  .toggle{
    width:34px;height:19px;border-radius:20px;
    background:var(--bg-3);border:1px solid var(--border);
    position:relative;cursor:pointer;flex-shrink:0;
    transition:.18s ease;
  }
  .toggle.on{background:rgba(243,106,45,.28);border-color:var(--accent);box-shadow:0 0 18px var(--accent-glow);}
  .toggle .knob{
    position:absolute;top:2px;left:2px;
    width:13px;height:13px;border-radius:50%;
    background:var(--text-dim);transition:left .18s ease,background .18s ease,box-shadow .18s ease;
  }
  .toggle.on .knob{left:17px;background:#fff;box-shadow:0 0 10px rgba(255,255,255,.42);}

  .main{flex:1;display:flex;min-height:0;background:rgba(9,12,17,.36);}

  .sidebar{
    width:238px;
    flex-shrink:0;
    background:linear-gradient(180deg,rgba(12,16,24,.96),rgba(9,12,17,.96));
    border-right:1px solid var(--border);
    display:flex;
    flex-direction:column;
    min-height:0;
  }
  .sidebar-head{
    display:flex;align-items:center;justify-content:space-between;
    min-height:49px;
    padding:10px 11px 8px 14px;
    flex-shrink:0;
    border-bottom:1px solid var(--border-soft);
  }
  .sidebar-head span{
    font-family:'JetBrains Mono',monospace;
    font-size:10px;
    font-weight:600;
    letter-spacing:.13em;
    text-transform:uppercase;
    color:var(--text-dim);
  }
  .sidebar-icons{display:flex;gap:4px;}
  .icon-btn{
    width:28px;height:28px;
    display:flex;align-items:center;justify-content:center;
    background:transparent;border:1px solid transparent;
    color:var(--text-dim);
    cursor:pointer;
    border-radius:9px;
    flex-shrink:0;
    transition:.14s ease;
  }
  .icon-btn:hover{background:rgba(243,106,45,.11);border-color:rgba(243,106,45,.22);color:var(--accent-strong);}
  .icon-btn:active{transform:scale(.95);}
  .icon-btn svg{width:14px;height:14px;}
  .file-list{flex:1;overflow-y:auto;padding:8px 7px 10px;scrollbar-width:thin;scrollbar-color:var(--bg-4) transparent;}
  .file-row{
    touch-action:manipulation;
    min-height:33px;
    display:flex;align-items:center;gap:8px;
    padding:6px 9px;
    margin:1px 0;
    border:1px solid transparent;
    border-radius:9px;
    cursor:pointer;
    font-family:'JetBrains Mono',monospace;
    font-size:12px;
    color:var(--text-dim);
    position:relative;
    transition:background .12s ease,border-color .12s ease,color .12s ease,transform .12s ease;
  }
  .file-row:hover{background:rgba(255,255,255,.035);color:var(--text);transform:translateX(1px);}
  .file-row.active{
    background:linear-gradient(90deg,rgba(243,106,45,.18),rgba(47,93,69,.045));
    color:#f5f6fb;
    border-color:rgba(243,106,45,.28);
    box-shadow:inset 3px 0 0 var(--accent);
  }
  .file-row .sq{width:8px;height:8px;border-radius:3px;flex-shrink:0;box-shadow:0 0 10px currentColor;}
  .file-row .fname{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .row-actions{display:flex;align-items:center;gap:2px;flex-shrink:0;opacity:0;transition:opacity .12s ease;}
  .file-row:hover .row-actions,.file-row:focus-within .row-actions{opacity:1;}
  .row-action{touch-action:manipulation;width:30px;height:30px;padding:0;display:grid;place-items:center;border:0;border-radius:8px;background:transparent;color:var(--text-faint);cursor:pointer;flex-shrink:0;}
  .row-action:hover{background:rgba(255,255,255,.055);color:var(--text);}
  .row-action.del:hover{color:var(--danger);background:rgba(255,107,122,.10);}
  .row-action.rename:hover{color:var(--teal);background:rgba(47,93,69,.09);}
  .row-action svg{width:14px;height:14px;pointer-events:none;}
  .folder-row{font-weight:500;color:var(--text-dim);}
  .folder-row svg.folder-icon{width:13px;height:13px;flex-shrink:0;color:var(--amber);opacity:.78;}
  .chev{display:inline-block;width:9px;font-size:9px;color:var(--text-faint);transition:transform .12s ease;flex-shrink:0;}
  .folder-row.expanded .chev{transform:rotate(90deg);}
  .drop-hint{
    margin:8px 10px 11px;
    padding:11px 9px;
    border:1px dashed rgba(243,106,45,.26);
    border-radius:11px;
    text-align:center;
    font-family:'JetBrains Mono',monospace;
    font-size:9.5px;
    color:var(--text-faint);
    line-height:1.55;
    background:linear-gradient(135deg,rgba(243,106,45,.045),rgba(47,93,69,.02));
  }
  .sidebar.dragover .file-list{outline:1px dashed var(--teal);outline-offset:-5px;background:var(--teal-glow);}

  .editor-pane{
    flex:1;display:flex;flex-direction:column;
    border-right:1px solid var(--border);
    min-width:0;
    background:var(--bg-2);
  }
  .editor-topline{
    min-height:49px;
    display:flex;align-items:center;gap:8px;
    padding:8px 15px;
    background:rgba(12,16,24,.96);
    border-bottom:1px solid var(--border);
    font-family:'JetBrains Mono',monospace;
    font-size:11.5px;
    color:var(--text-dim);
    flex-shrink:0;
    box-shadow:inset 0 -1px 0 rgba(243,106,45,.035);
  }
  .editor-topline .sq{width:8px;height:8px;border-radius:3px;flex-shrink:0;}
  .editor-wrap{
    flex:1;position:relative;min-height:0;
    background:
      linear-gradient(rgba(255,255,255,.012) 1px,transparent 1px),
      var(--bg-2);
    background-size:100% 25.6px;
    display:flex;
  }
  .line-numbers{
    min-width:54px;
    font-family:'JetBrains Mono',monospace;
    font-size:13px;line-height:1.6;
    color:#666d63;
    padding:16px 11px 16px 12px;
    text-align:right;user-select:none;
    background:rgba(12,16,24,.62);
    border-right:1px solid var(--border-soft);
    overflow:hidden;white-space:pre;
  }
  textarea{
    flex:1;resize:none;border:none;outline:none;
    background:transparent;color:var(--text);
    caret-color:var(--teal);
    font-family:'JetBrains Mono',monospace;
    font-size:13px;line-height:1.6;
    padding:16px 18px;
    tab-size:2;white-space:pre;overflow:auto;
    scrollbar-width:thin;scrollbar-color:var(--bg-4) transparent;
  }
  textarea::selection{background:rgba(243,106,45,.31);}
  .editor-empty{
    flex:1;display:flex;align-items:center;justify-content:center;
    color:var(--text-faint);font-family:'JetBrains Mono',monospace;font-size:12px;
  }
  .binary-note{
    flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;
    color:var(--text-faint);font-family:'JetBrains Mono',monospace;font-size:11.5px;
  }
  .binary-note img{max-width:260px;max-height:200px;border-radius:14px;border:1px solid var(--border);box-shadow:var(--shadow);}
  .editor-status{height:30px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 12px;border-top:1px solid var(--border-soft);background:rgba(12,16,24,.95);font-family:'JetBrains Mono',monospace;font-size:9.5px;color:var(--text-faint);flex-shrink:0;}
  .editor-status .saved{color:var(--teal);}
  .editor-status .saving{color:var(--amber);}
  .editor-status .error{color:var(--danger);}

  .preview-pane{
    width:500px;flex-shrink:0;display:flex;flex-direction:column;min-width:0;
    background:var(--bg-1);
    transition:width .18s ease;
    box-shadow:-14px 0 40px rgba(0,0,0,.14);
  }
  .preview-pane.closed{width:62px;}
  .preview-pane.closed .preview-bar,
  .preview-pane.closed iframe,
  .preview-pane.closed .console,
  .preview-pane.closed .preview-note{display:none;}
  .closed-strip{display:none;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:13px;padding:16px 8px;background:linear-gradient(180deg,var(--bg-1),var(--bg-0));}
  .preview-pane.closed .closed-strip{display:flex;}
  .closed-strip .open-btn{
    display:flex;flex-direction:column;align-items:center;gap:7px;
    background:linear-gradient(180deg,var(--bg-3),var(--bg-2));
    border:1px solid var(--border);color:var(--text-dim);
    border-radius:18px;padding:13px 8px;cursor:pointer;
    font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.06em;text-transform:uppercase;
    transition:.15s ease;
  }
  .closed-strip .open-btn:hover{color:#fff;border-color:var(--accent);box-shadow:0 0 24px var(--accent-glow);transform:translateY(-1px);}
  .closed-strip .open-btn svg{width:15px;height:15px;color:var(--teal);}
  .closed-strip .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 12px rgba(47,93,69,.75);}

  .preview-bar{
    min-height:49px;
    display:flex;align-items:center;gap:9px;
    padding:8px 12px;
    background:rgba(12,16,24,.97);
    border-bottom:1px solid var(--border);
    flex-shrink:0;
  }
  .preview-bar .traffic{display:flex;gap:6px;}
  .traffic span{width:8px;height:8px;border-radius:50%;display:inline-block;background:#3d423a;border:1px solid rgba(255,255,255,.04);}
  .traffic span:first-child{background:#ff6b7a;}.traffic span:nth-child(2){background:#ffb454;}.traffic span:nth-child(3){background:#cdd9c8;}
  .urlbar{
    flex:1;
    font-family:'JetBrains Mono',monospace;
    font-size:10.5px;
    color:var(--text-faint);
    background:rgba(255,255,255,.025);
    border:1px solid var(--border-soft);
    border-radius:9px;
    padding:6px 10px;
    display:flex;align-items:center;gap:7px;
  }
  .urlbar svg{width:10px;height:10px;flex-shrink:0;color:var(--teal);}
  .preview-stage{flex:1;min-height:0;display:flex;justify-content:center;align-items:stretch;overflow:auto;background:#10110f;padding:0;transition:padding .18s ease;}
  .preview-stage iframe{border:none;background:#fff;width:100%;height:100%;flex:none;transition:max-width .18s ease,border-radius .18s ease,box-shadow .18s ease;}
  .preview-stage.device-tablet,.preview-stage.device-mobile{padding:18px;}
  .preview-stage.device-tablet iframe{max-width:768px;border-radius:14px;box-shadow:0 18px 52px rgba(0,0,0,.42);}
  .preview-stage.device-mobile iframe{max-width:390px;border-radius:18px;box-shadow:0 18px 52px rgba(0,0,0,.46);}
  .preview-tools{display:flex;align-items:center;gap:3px;}
  .device-btn.active{color:var(--teal);background:rgba(47,93,69,.09);border-color:rgba(47,93,69,.2);}
  .preview-note{
    padding:10px 14px;
    font-family:'JetBrains Mono',monospace;
    font-size:10.5px;
    color:#ffd79c;
    background:rgba(79,52,13,.55);
    border-bottom:1px solid rgba(255,180,84,.18);
    display:none;
  }
  .preview-note.show{display:block;}
  .console{height:160px;flex-shrink:0;background:var(--bg-1);border-top:1px solid var(--border);display:flex;flex-direction:column;transition:height .18s ease;}
  .console.collapsed{height:36px;}
  .console.collapsed .console-body{display:none;}
  .console-head{display:flex;align-items:center;justify-content:space-between;padding:7px 14px;border-bottom:1px solid var(--border-soft);flex-shrink:0;}
  .console-head span{font-family:'JetBrains Mono',monospace;font-size:9.5px;color:var(--text-dim);letter-spacing:.12em;text-transform:uppercase;}
  .console-clear{font-family:'JetBrains Mono',monospace;font-size:9.5px;color:var(--text-faint);background:none;border:none;cursor:pointer;text-transform:uppercase;letter-spacing:.06em;}
  .console-clear:hover{color:var(--teal);}
  .console-body{flex:1;overflow-y:auto;padding:7px 14px;font-family:'JetBrains Mono',monospace;font-size:11.5px;line-height:1.7;scrollbar-width:thin;scrollbar-color:var(--bg-4) transparent;}
  .console-line{display:flex;gap:9px;border-bottom:1px solid var(--border-soft);padding:4px 0;white-space:pre-wrap;word-break:break-word;}
  .console-line .tag{flex-shrink:0;color:var(--teal);font-size:10px;text-transform:uppercase;}
  .console-line.error .tag{color:var(--danger);}
  .console-line.error{color:#ff9ba5;}
  .console-line.warn .tag{color:var(--warn);}
  .console-line.warn{color:#f5ce92;}
  .console-line.log{color:var(--text-dim);}
  .console-empty{color:var(--text-faint);padding:4px 0;}

  @media (max-width:1050px){
    .sidebar{width:210px;}
    .preview-pane{width:43vw;}
    .brand .sub{display:none;}
  }

  @media (hover:none), (pointer:coarse){
    .row-actions{opacity:1;}
    .row-action{width:38px;height:38px;}
    .icon-btn,.btn{min-width:42px;min-height:42px;}
  }

  .mobile-dock{display:none;}
  @media (max-width:820px){
    body{height:100vh;height:100dvh;padding-bottom:env(safe-area-inset-bottom);}
    .mobile-only{display:flex!important;}
    .topbar{min-height:58px;padding:8px 9px;gap:8px;}
    .brand{gap:9px;}
    .brand-mark{width:36px;height:36px;border-radius:11px;}
    .brand .name{font-size:10.5px;letter-spacing:.10em;}
    .brand .sub{display:none;}
    .actions{gap:5px;}
    .autorun{display:none;}
    .btn{padding:7px 10px;min-height:40px;border-radius:10px;}
    .btn span.btn-label{display:none;}
    .btn svg{width:16px;height:16px;}

    .main{position:relative;display:block;min-height:0;padding-bottom:0;margin-bottom:64px;overflow:hidden;}
    .sidebar,.editor-pane,.preview-pane,.preview-pane.closed{position:absolute;inset:0;width:100%;height:100%;display:none;border:0;box-shadow:none;transition:none;}
    body[data-mobile-view="files"] .sidebar{display:flex;}
    body[data-mobile-view="editor"] .editor-pane{display:flex;}
    body[data-mobile-view="preview"] .preview-pane{display:flex;}
    .preview-pane.closed .preview-bar,.preview-pane.closed iframe,.preview-pane.closed .console,.preview-pane.closed .preview-note{display:flex;}
    .preview-pane.closed .preview-note{display:none;}
    .preview-pane.closed .preview-note.show{display:block;}
    .closed-strip{display:none!important;}

    .sidebar{background:linear-gradient(180deg,var(--bg-1),var(--bg-0));}
    .sidebar-head{min-height:54px;padding:8px 12px;}
    .sidebar-head span{font-size:11px;}
    .sidebar-icons{gap:6px;}
    .sidebar-icons .icon-btn{width:42px;height:42px;background:rgba(255,255,255,.025);border-color:var(--border-soft);}
    .file-list{padding:8px 8px 14px;}
    .file-row{min-height:50px;padding-top:4px;padding-bottom:4px;font-size:13px;border-radius:11px;transform:none!important;}
    .row-actions{opacity:1;gap:2px;}
    .row-action{width:40px;height:40px;}
    .row-action svg{width:16px;height:16px;}
    .drop-hint{margin:7px 10px 10px;padding:9px;font-size:9px;}

    .editor-topline{min-height:44px;padding:7px 12px;font-size:10.5px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
    .editor-wrap{background-size:100% 28.8px;}
    .line-numbers{min-width:44px;font-size:14px;line-height:1.8;padding:13px 7px;}
    textarea{font-size:16px;line-height:1.8;padding:13px 12px 120px 12px;}
    .editor-status{height:30px;padding:0 10px;font-size:9px;}

    .preview-bar{min-height:46px;padding:6px 8px;gap:6px;}
    .traffic{display:none!important;}
    .urlbar{font-size:9.5px;min-width:0;padding:6px 8px;}
    .preview-tools .device-btn{display:none;}
    .preview-stage,.preview-stage.device-tablet,.preview-stage.device-mobile{padding:0;background:#fff;}
    .preview-stage iframe,.preview-stage.device-tablet iframe,.preview-stage.device-mobile iframe{max-width:none;border-radius:0;box-shadow:none;}
    .console{height:32%;min-height:36px;}
    .console.collapsed{height:36px;}
    .console-head{padding:7px 10px;}
    .console-body{padding:7px 10px;font-size:11px;}

    .mobile-dock{display:grid;grid-template-columns:repeat(3,1fr);position:fixed;left:0;right:0;bottom:0;height:64px;padding:6px 8px calc(6px + env(safe-area-inset-bottom));background:rgba(9,12,17,.96);border-top:1px solid var(--border);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);z-index:20;}
    .mobile-dock button{border:0;background:transparent;color:var(--text-faint);border-radius:11px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.03em;cursor:pointer;}
    .mobile-dock button svg{width:18px;height:18px;}
    .mobile-dock button.active{color:var(--teal);background:rgba(47,93,69,.08);}
    .mobile-dock button:active{transform:scale(.97);}
  }

  @media (max-width:380px){
    .brand .name{font-size:9.5px;letter-spacing:.07em;}
    .topbar{padding-left:7px;padding-right:7px;}
    .btn{padding:7px 9px;}
  }


  /* ---------- KM DIGITAL LABS WARM PAPER THEME ---------- */
  body{
    background:
      radial-gradient(circle at 16% -12%, rgba(243,106,45,.16), transparent 31%),
      radial-gradient(circle at 92% 5%, rgba(47,93,69,.13), transparent 27%),
      var(--bg-0);
  }
  .topbar{
    background:rgba(23,25,22,.92);
    border-bottom-color:rgba(245,242,233,.10);
  }
  .topbar::after{
    background:linear-gradient(90deg,transparent,rgba(243,106,45,.82),rgba(205,217,200,.38),transparent);
  }
  .brand-mark{
    color:var(--paper);
    background:linear-gradient(145deg,var(--accent),var(--accent-deep) 58%,var(--charcoal-2,#232620));
    border-color:rgba(255,255,255,.18);
    box-shadow:0 0 0 4px rgba(243,106,45,.09),0 12px 30px rgba(91,35,12,.36);
  }
  .brand .sub strong{color:#ff9b6e;}
  .btn.primary{
    color:var(--ink);
    background:linear-gradient(135deg,var(--accent),#df5920);
    border-color:rgba(255,155,110,.65);
    box-shadow:0 10px 24px rgba(184,66,22,.28),inset 0 1px 0 rgba(255,255,255,.18);
  }
  .btn.primary:hover{background:linear-gradient(135deg,var(--accent-strong),var(--accent));box-shadow:0 12px 30px rgba(184,66,22,.36);}
  .toggle.on{background:rgba(243,106,45,.29);border-color:var(--accent);}
  .toggle.on .knob{background:var(--paper);}
  .sidebar{background:linear-gradient(180deg,rgba(30,33,29,.98),rgba(23,25,22,.98));}
  .icon-btn:hover{background:rgba(243,106,45,.11);border-color:rgba(243,106,45,.25);color:#ff9b6e;}
  .file-row.active{
    background:linear-gradient(90deg,rgba(243,106,45,.19),rgba(47,93,69,.08));
    border-color:rgba(243,106,45,.34);
    box-shadow:inset 3px 0 0 var(--accent);
  }
  .row-action.rename:hover{color:var(--teal);background:rgba(47,93,69,.18);}
  .folder-row svg.folder-icon{color:#ff9b6e;}
  .drop-hint{
    border-color:rgba(243,106,45,.32);
    background:linear-gradient(135deg,rgba(243,106,45,.065),rgba(47,93,69,.055));
  }
  .editor-topline,.editor-status,.preview-bar{background:rgba(30,33,29,.98);}
  .editor-wrap{
    background:
      linear-gradient(rgba(245,242,233,.014) 1px,transparent 1px),
      var(--bg-2);
    background-size:100% 25.6px;
  }
  textarea{caret-color:#ff9b6e;}
  textarea::selection{background:rgba(243,106,45,.34);}
  .preview-stage{background:var(--paper-alt);}
  .preview-stage.device-tablet,.preview-stage.device-mobile{
    background:
      linear-gradient(to right,rgba(16,17,15,.035) 1px,transparent 1px),
      linear-gradient(to bottom,rgba(16,17,15,.035) 1px,transparent 1px),
      var(--paper-alt);
    background-size:24px 24px;
  }
  .preview-stage.device-tablet iframe,.preview-stage.device-mobile iframe{border:1px solid rgba(16,17,15,.12);}
  .device-btn.active{color:#ff9b6e;background:rgba(243,106,45,.10);border-color:rgba(243,106,45,.23);}
  .urlbar svg,.console-line .tag,.console-clear:hover{color:var(--teal);}
  .preview-note{color:#f6d0bb;background:rgba(88,41,19,.78);border-color:rgba(243,106,45,.26);}
  .console{background:#1e211d;}
  .console-line.log{color:#bfc3ba;}
  .traffic span:first-child{background:#f07178;}
  .traffic span:nth-child(2){background:#e7ad58;}
  .traffic span:nth-child(3){background:#8eb69b;}
  .mobile-dock{background:rgba(23,25,22,.97)!important;}
  .mobile-dock button.active{color:#ff9b6e;background:rgba(243,106,45,.11);}
  @media (max-width:820px){
    .sidebar{background:linear-gradient(180deg,#1e211d,#171916);}
    .sidebar-icons .icon-btn{background:rgba(245,242,233,.035);}
    .preview-stage,.preview-stage.device-tablet,.preview-stage.device-mobile{background:var(--paper);}
  }




  .site-home-link{
    min-height:38px;padding:8px 12px;border-radius:11px;
    display:inline-flex;align-items:center;justify-content:center;gap:7px;
    color:var(--text-dim);text-decoration:none;font-size:12px;font-weight:600;
    border:1px solid var(--border);background:rgba(255,255,255,.025);
    transition:color .15s ease,background .15s ease,border-color .15s ease,transform .15s ease;
  }
  .site-home-link svg{width:15px;height:15px;flex:0 0 auto;}
  .site-home-link kbd{font-family:'JetBrains Mono',monospace;font-size:8px;font-weight:500;color:var(--text-faint);border:1px solid var(--border);border-radius:5px;padding:2px 5px;background:rgba(255,255,255,.025);}
  .site-home-link:hover{color:var(--paper);background:rgba(243,106,45,.10);border-color:rgba(243,106,45,.34);transform:translateY(-1px);}
  .site-home-link:active{transform:translateY(0) scale(.98);}
  @media (max-width:820px){
    .site-home-link{min-width:40px;width:40px;height:40px;padding:0;}
    .site-home-link span{display:none;}
    .site-home-link svg{width:17px;height:17px;}
  }
  @media (max-width:430px){
    .brand .name{max-width:112px;overflow:hidden;text-overflow:ellipsis;}
  }


  /* ---------- SMART CODE EDITOR ---------- */
  .code-stage{
    flex:1;position:relative;min-width:0;min-height:0;overflow:hidden;
    background:transparent;
  }
  .syntax-layer{
    position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:1;
  }
  .syntax-code{
    position:absolute;top:0;left:0;min-width:100%;min-height:100%;margin:0;
    padding:16px 18px;
    font-family:'JetBrains Mono',monospace;font-size:var(--editor-font-size);line-height:1.6;
    tab-size:2;white-space:pre;color:var(--text);background:transparent;
    transform:translate3d(0,0,0);transform-origin:top left;
  }
  textarea.code-input{
    position:absolute;inset:0;width:100%;height:100%;z-index:2;
    padding:16px 18px;margin:0;overflow:auto;
    background:transparent;color:transparent;-webkit-text-fill-color:transparent;
    caret-color:#ff9b6e;
  }
  body.sidebar-collapsed .sidebar{width:0;border:0;overflow:hidden;}
  body.sidebar-collapsed .activity-rail{border-right:1px solid var(--border);}
  .status-left,.branch-status{display:flex;align-items:center;gap:7px;min-width:0;}
  .branch-status{color:var(--text-dim);}
  .branch-status svg{width:12px;height:12px;}
  .status-button{height:23px;min-width:24px;padding:0 5px;display:inline-grid;place-items:center;border:0;border-radius:5px;color:var(--text-dim);background:transparent;cursor:pointer;font:inherit;}
  .status-button:hover{color:var(--paper);background:rgba(245,242,233,.08);}
  .status-button svg{width:13px;height:13px;}
  .status-button.text-button{font-size:9px;}
  textarea.code-input::selection{background:rgba(243,106,45,.36);}
  .code-stage.plain-mode textarea.code-input{color:var(--text);-webkit-text-fill-color:var(--text);}
  .tok-comment{color:#777d74;font-style:italic;}
  .tok-tag,.tok-selector,.tok-keyword{color:#ff7e47;}
  .tok-tag-document{color:#ff7e47;}
  .tok-tag-content{color:#e7ad58;}
  .tok-tag-interactive{color:#86c7a0;}
  .tok-tag-media{color:#9db3e7;}
  .tok-attr,.tok-property,.tok-function{color:#9bc6a7;}
  .tok-string,.tok-doctype{color:#e7ad58;}
  .tok-number,.tok-boolean,.tok-constant{color:#d6a184;}
  .tok-operator,.tok-punctuation{color:#bfc3ba;}
  .tok-builtin,.tok-variable{color:#b9c6e7;}
  .tok-text{color:var(--text);}

  .autocomplete{
    position:absolute;z-index:30;width:min(330px,calc(100% - 20px));max-height:248px;
    overflow:auto;display:none;padding:6px;
    background:rgba(23,25,22,.98);border:1px solid rgba(243,106,45,.48);
    border-radius:12px;box-shadow:0 20px 46px rgba(0,0,0,.46);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    font-family:'JetBrains Mono',monospace;
  }
  .autocomplete.open{display:block;}
  .suggestion{
    width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;
    align-items:center;padding:9px 10px;border:0;border-radius:8px;
    color:var(--text-dim);background:transparent;text-align:left;cursor:pointer;
  }
  .suggestion:hover,.suggestion.active{background:rgba(243,106,45,.13);color:var(--text);}
  .suggestion-main{min-width:0;}
  .suggestion-label{display:block;color:inherit;font-size:11.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .suggestion-detail{display:block;margin-top:2px;color:var(--text-faint);font-size:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .suggestion-kind{
    padding:3px 6px;border-radius:999px;background:rgba(47,93,69,.24);
    color:var(--teal);font-size:8px;text-transform:uppercase;letter-spacing:.05em;
  }
  .editor-help{
    margin-left:auto;color:var(--text-faint);font-size:9px;white-space:nowrap;
  }
  .editor-help strong{color:var(--accent-strong);font-weight:500;}

  @media(max-width:760px){
    .syntax-code,textarea.code-input{font-size:max(16px,var(--editor-font-size));line-height:1.8;padding:13px 12px 120px 12px;}
    .autocomplete{position:fixed;left:10px!important;right:10px!important;bottom:calc(72px + env(safe-area-inset-bottom));top:auto!important;width:auto;max-height:235px;}
    .editor-help{display:none;}
  }


  /* ---------- FAST COMPILER + MOBILE FILE MANAGEMENT ---------- */
  .mobile-manage-btn,.mobile-manage-hint{display:none;}
  .delete-sheet{position:fixed;inset:0;z-index:1000;display:none;align-items:flex-end;justify-content:center;}
  .delete-sheet.open{display:flex;}
  .delete-sheet-backdrop{position:absolute;inset:0;border:0;background:rgba(0,0,0,.62);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);}
  .delete-sheet-card{position:relative;width:min(520px,100%);padding:12px 18px calc(18px + env(safe-area-inset-bottom));background:var(--bg-2);border:1px solid var(--border);border-bottom:0;border-radius:24px 24px 0 0;box-shadow:0 -22px 70px rgba(0,0,0,.46);text-align:center;animation:deleteSheetIn .18s ease-out;}
  @keyframes deleteSheetIn{from{transform:translateY(24px);opacity:.35}to{transform:translateY(0);opacity:1}}
  .delete-sheet-handle{width:42px;height:4px;margin:0 auto 15px;border-radius:999px;background:rgba(255,255,255,.18);}
  .delete-sheet-icon{width:48px;height:48px;margin:0 auto 12px;border-radius:15px;display:grid;place-items:center;color:var(--danger);background:rgba(255,107,122,.11);border:1px solid rgba(255,107,122,.18);}
  .delete-sheet-icon svg{width:22px;height:22px;}
  .delete-sheet-card h2{font-family:'Space Grotesk',sans-serif;font-size:19px;margin:0 0 6px;color:var(--text);}
  .delete-sheet-card p{margin:0 auto 18px;max-width:420px;font:11px/1.6 'JetBrains Mono',monospace;color:var(--text-dim);overflow-wrap:anywhere;}
  .delete-sheet-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
  .delete-sheet-actions button{min-height:50px;border-radius:13px;font:700 13px 'Inter',sans-serif;cursor:pointer;}
  .delete-cancel{border:1px solid var(--border);background:var(--bg-3);color:var(--text);}
  .delete-confirm{border:1px solid rgba(255,107,122,.36);background:var(--danger);color:#fff;display:flex;align-items:center;justify-content:center;gap:8px;}
  .delete-confirm svg{width:17px;height:17px;}
  .delete-confirm:active,.delete-cancel:active{transform:scale(.98);}

  .compile-flash{animation:compileFlash .28s ease;}
  @keyframes compileFlash{0%{box-shadow:0 0 0 0 rgba(243,106,45,.52)}100%{box-shadow:0 0 0 11px rgba(243,106,45,0)}}

  @media (max-width:820px){
    .mobile-manage-btn{display:flex!important;width:auto!important;min-width:48px;padding:0 9px;gap:5px;color:#ffb094!important;border-color:rgba(243,106,45,.25)!important;background:rgba(243,106,45,.08)!important;}
    .mobile-manage-btn span{display:none;font:700 9px 'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:.03em;}
    .mobile-manage-btn.active{background:var(--accent)!important;color:#171916!important;border-color:var(--accent)!important;min-width:88px;}
    .mobile-manage-btn.active span{display:inline;}
    .mobile-manage-hint{margin:8px 10px 0;padding:10px 12px;border:1px solid rgba(255,107,122,.22);border-radius:11px;background:rgba(255,107,122,.08);color:#ffb2ba;font:10px/1.55 'JetBrains Mono',monospace;}
    body.file-manage-mode .mobile-manage-hint{display:block;}
    body.file-manage-mode .file-row{border-color:rgba(255,107,122,.10);background:rgba(255,107,122,.025);}
    body.file-manage-mode .file-row.active{box-shadow:none;border-color:rgba(255,107,122,.18);background:rgba(255,107,122,.045);}
    body.file-manage-mode .row-action.rename{display:none;}
    body.file-manage-mode .row-action.del{width:auto;min-width:88px;padding:0 13px;display:flex;gap:7px;color:#fff;background:rgba(217,65,80,.92);border:1px solid rgba(255,255,255,.08);}
    body.file-manage-mode .row-action.del::after{content:'Delete';font:700 10px 'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:.04em;}
    body.file-manage-mode .file-row .fname{font-weight:600;}
    .row-action.del{color:#ff9ba5;background:rgba(255,107,122,.075);border:1px solid rgba(255,107,122,.12);}
    .row-action.del:active{background:rgba(255,107,122,.18);transform:scale(.95);}
    .delete-sheet-card{background:var(--charcoal-2,#232620);}
  }

  /* ---------- WORKBENCH NAVIGATION ---------- */
  :root{
    --font-ui:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    --font-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  }
  body{font-family:var(--font-ui);}
  .brand .sub,.autorun,.sidebar-head span,.file-row,.drop-hint,.editor-topline,
  .line-numbers,textarea,.editor-status,.urlbar,.preview-note,.console-head span,
  .console-clear,.console-body,.closed-strip .open-btn,.mobile-dock button,
  .syntax-code,.autocomplete,.delete-sheet-card p,.mobile-manage-hint,
  .file-filter-wrap,.project-search input,.search-summary,.search-result,
  .editor-tab,.palette-card,.shortcut-card,.toast{font-family:var(--font-mono);}
  .delete-sheet-card h2,.delete-sheet-actions button{font-family:var(--font-ui);}

  .activity-rail{
    width:48px;flex:0 0 48px;display:flex;flex-direction:column;align-items:center;
    padding:7px 0;background:#141613;border-right:1px solid var(--border);
  }
  .activity-btn{
    position:relative;width:48px;height:48px;display:grid;place-items:center;
    border:0;background:transparent;color:var(--text-faint);cursor:pointer;text-decoration:none;
  }
  .activity-btn svg{width:23px;height:23px;}
  .activity-btn:hover{color:var(--text);background:rgba(255,255,255,.035);}
  .activity-btn.active{color:var(--paper);}
  .activity-btn.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:2px;background:var(--accent);border-radius:0 2px 2px 0;}
  .activity-spacer{flex:1;}
  .side-panel{display:none;min-height:0;flex:1;flex-direction:column;}
  .side-panel.active{display:flex;}

  .file-filter-wrap{
    display:flex;align-items:center;gap:7px;margin:7px 8px 2px;padding:0 8px;height:34px;
    border:1px solid var(--border-soft);border-radius:8px;background:rgba(255,255,255,.025);color:var(--text-faint);
  }
  .file-filter-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(243,106,45,.10);}
  .file-filter-wrap svg{width:13px;height:13px;flex:0 0 auto;}
  .file-filter-wrap input,.project-search input,.palette-input-row input{
    min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--text);font:inherit;
  }
  .file-filter-wrap input::placeholder,.project-search input::placeholder,.palette-input-row input::placeholder{color:var(--text-faint);}
  kbd{border:1px solid var(--border);border-bottom-color:rgba(245,242,233,.2);border-radius:5px;background:rgba(255,255,255,.035);padding:2px 5px;color:var(--text-faint);font:9px var(--font-mono);white-space:nowrap;}

  .project-search{display:flex;align-items:center;gap:5px;margin:9px 8px 4px;padding:3px 4px 3px 10px;border:1px solid var(--border);border-radius:9px;background:rgba(255,255,255,.025);}
  .project-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(243,106,45,.10);}
  .project-search input{height:31px;font-size:10.5px;}
  .search-summary{margin:6px 10px;color:var(--text-faint);font-size:9.5px;line-height:1.5;}
  .search-results{flex:1;overflow:auto;padding:2px 7px 12px;}
  .search-result{width:100%;display:block;margin:2px 0;padding:8px 9px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--text-dim);text-align:left;cursor:pointer;}
  .search-result:hover{background:rgba(243,106,45,.08);border-color:rgba(243,106,45,.18);}
  .search-result strong{display:block;color:var(--text);font-size:10.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .search-result span{display:block;margin-top:3px;color:var(--text-faint);font-size:9px;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .search-result mark{background:rgba(231,173,88,.26);color:var(--amber);border-radius:2px;}

  .editor-tabs{min-height:37px;display:flex;overflow-x:auto;background:#191b18;border-bottom:1px solid var(--border);scrollbar-width:thin;}
  .editor-tab{position:relative;min-width:118px;max-width:210px;height:36px;display:flex;align-items:center;gap:7px;padding:0 10px;border:0;border-right:1px solid var(--border-soft);background:transparent;color:var(--text-faint);cursor:pointer;font-size:10px;}
  .editor-tab:hover{background:rgba(255,255,255,.025);color:var(--text-dim);}
  .editor-tab.active{background:var(--bg-2);color:var(--text);}
  .editor-tab.active::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--accent);}
  .editor-tab .sq{width:7px;height:7px;border-radius:2px;flex:0 0 auto;}
  .editor-tab .tab-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .editor-tab .tab-close{margin-left:auto;width:20px;height:20px;display:grid;place-items:center;border-radius:5px;color:var(--text-faint);opacity:0;}
  .editor-tab:hover .tab-close,.editor-tab.active .tab-close{opacity:1;}
  .editor-tab .tab-close:hover{background:rgba(255,255,255,.08);color:var(--text);}
  .status-cluster{display:flex;align-items:center;gap:12px;}

  .palette,.shortcut-dialog{position:fixed;inset:0;z-index:900;display:none;align-items:flex-start;justify-content:center;padding:9vh 14px 14px;}
  .palette.open,.shortcut-dialog.open{display:flex;}
  .palette-backdrop{position:absolute;inset:0;border:0;background:rgba(5,6,5,.68);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);}
  .palette-card,.shortcut-card{position:relative;width:min(640px,100%);overflow:hidden;border:1px solid rgba(243,106,45,.32);border-radius:13px;background:rgba(30,33,29,.98);box-shadow:0 32px 90px rgba(0,0,0,.58);}
  .palette-input-row{height:49px;display:flex;align-items:center;gap:9px;padding:0 13px;border-bottom:1px solid var(--border);color:var(--accent);}
  .palette-input-row input{font-size:13px;}
  .palette-results{max-height:360px;overflow:auto;padding:6px;}
  .palette-option{width:100%;height:43px;display:flex;align-items:center;gap:10px;padding:0 10px;border:0;border-radius:8px;background:transparent;color:var(--text-dim);text-align:left;cursor:pointer;font:11px var(--font-mono);}
  .palette-option:hover,.palette-option.active{background:rgba(243,106,45,.13);color:var(--text);}
  .palette-option span{flex:1;}
  .palette-option small{color:var(--text-faint);font-size:9px;}
  .shortcut-dialog{align-items:center;padding-top:14px;}
  .shortcut-card{width:min(520px,100%);padding:22px;}
  .shortcut-title{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:18px;}
  .shortcut-title span{color:var(--accent-strong);font-size:9px;text-transform:uppercase;letter-spacing:.13em;}
  .shortcut-title h2{margin:4px 0 0;font:600 20px var(--font-ui);}
  .shortcut-grid{display:grid;grid-template-columns:1fr auto;gap:0;color:var(--text-dim);font-size:10.5px;}
  .shortcut-grid>span,.shortcut-grid>kbd{padding:10px;border-top:1px solid var(--border-soft);}
  .shortcut-grid>kbd{text-align:right;color:var(--text);}
  .sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
  .toast{position:fixed;right:18px;bottom:18px;z-index:1100;max-width:min(360px,calc(100% - 36px));padding:11px 14px;border:1px solid rgba(205,217,200,.22);border-radius:9px;background:#252923;color:var(--text);box-shadow:0 16px 42px rgba(0,0,0,.42);font-size:10px;opacity:0;transform:translateY(8px);pointer-events:none;transition:.18s ease;}
  .toast.show{opacity:1;transform:translateY(0);}
  button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

  @media(max-width:1050px){
    .activity-rail{width:44px;flex-basis:44px;}.activity-btn{width:44px;}
  }
  @media(max-width:820px){
    .site-home-link kbd,.branch-status,#sidebarToggleBtn,#fontDownBtn,#fontUpBtn{display:none;}
    .activity-rail{display:none;}
    .side-panel{position:absolute;inset:0;}
    .editor-tabs{min-height:38px;}
    .editor-tab{min-width:108px;}
    .status-cluster span:nth-child(1),.status-cluster span:nth-child(2){display:none;}
    .palette{padding-top:7vh;}
    .palette-results{max-height:50vh;}
    .toast{bottom:78px;}
  }