/* ==========================================================================
   STMG 制作器 · 界面样式
   深色 IDE 配色；纯手写，不引任何外部字体 / 框架（离线也能用）
   ========================================================================== */

:root{
  --bg:        #0e1016;
  --bg-2:      #13161f;
  --bg-3:      #181c27;
  --bg-4:      #1e2330;
  --line:      #262b39;
  --line-2:    #323848;
  --ink:       #e8ebf5;
  --ink-2:     #a7aec3;
  --ink-3:     #6d7691;
  --accent:    #ff7fb2;
  --accent-2:  #7fb3ff;
  --green:     #5fd39a;
  --red:       #ff6b7a;
  --amber:     #ffc35c;
  --violet:    #b48bff;

  --code-fs:   13px;
  --code-lh:   21px;
  --code-pad-y: 12px;
  --code-pad-x: 16px;

  --side-w:    248px;
  --preview-w: 46%;

  --r-sm: 6px;
  --r:    9px;
  --r-lg: 14px;
  --shadow: 0 18px 48px rgba(0,0,0,.55);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:14px/1.5 "Microsoft YaHei","PingFang SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6;
    stroke-linecap:round;stroke-linejoin:round;flex:none}
svg.fill{fill:currentColor;stroke:none}
.spacer{flex:1}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#2b3142;border-radius:8px;border:3px solid transparent;
  background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:#3b4356;background-clip:padding-box}

/* ============================ 骨架 ============================ */
#app{
  height:100%;
  display:grid;
  grid-template-rows:52px minmax(0,1fr) 26px;
}

#main{
  display:grid;
  grid-template-columns: var(--side-w) 5px minmax(300px,1fr) 5px var(--preview-w);
  min-height:0;
  background:var(--bg);
}
#main.no-preview{grid-template-columns: var(--side-w) 5px minmax(300px,1fr) 0 0}
#main.no-preview #vsplit-b,
#main.no-preview #preview-pane{display:none}

.vsplit{background:transparent;cursor:col-resize;position:relative;z-index:6}
.vsplit::after{content:"";position:absolute;inset:0 2px;border-radius:3px;transition:background .15s}
.vsplit:hover::after,.vsplit.drag::after{background:var(--accent);opacity:.55}

/* ============================ 顶栏 ============================ */
#topbar{
  display:flex;align-items:center;gap:10px;
  padding:0 12px;
  background:linear-gradient(180deg,#171b26,#12151d);
  border-bottom:1px solid var(--line);
  position:relative;z-index:20;
}
.brand{display:flex;align-items:center;gap:9px;padding-right:4px}
.logo{
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--violet));
  color:#1a0f18;font-weight:800;font-size:15px;
  box-shadow:0 2px 10px rgba(255,127,178,.35);
}
.brand-name{font-weight:700;letter-spacing:.3px;font-size:15px}
.brand-name em{font-style:normal;color:var(--ink-3);font-weight:500;font-size:12px;margin-left:2px}

.tb-group{display:flex;align-items:center;gap:6px}
.tb-sep{width:1px;height:22px;background:var(--line-2);margin:0 2px}

.btn{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 11px;border-radius:var(--r-sm);
  background:var(--bg-3);border:1px solid var(--line);
  color:var(--ink-2);font-size:13px;white-space:nowrap;
  transition:.14s;
}
.btn:hover{background:var(--bg-4);color:var(--ink);border-color:var(--line-2)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.btn.primary{
  background:linear-gradient(135deg,#ff7fb2,#ff5f9e);
  border-color:#ff8dbc;color:#2a0f1c;font-weight:700;
  box-shadow:0 3px 14px rgba(255,95,158,.28);
}
.btn.primary:hover{filter:brightness(1.07);color:#2a0f1c}
.btn.ghost{background:transparent}
.btn.icon{padding:0;width:30px;justify-content:center}

.project-chip{
  display:flex;align-items:center;gap:7px;
  height:30px;padding:0 10px;border-radius:var(--r-sm);
  background:#10131b;border:1px solid var(--line);
  font-size:13px;cursor:pointer;max-width:280px;
}
.project-chip:hover{border-color:var(--line-2)}
.project-chip .dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);flex:none;
  transition:.2s;
}
.project-chip .dot.dirty{background:var(--amber);box-shadow:0 0 8px rgba(255,195,92,.7)}
#project-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:170px}
.chip-sub{color:var(--ink-3);font-size:11.5px;border-left:1px solid var(--line);padding-left:7px}

.engine-badge{
  display:flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:20px;
  background:#10131b;border:1px solid var(--line);
  font-size:11.5px;color:var(--ink-3);
}
.engine-badge .pulse{
  width:6px;height:6px;border-radius:50%;background:#4b5468;flex:none;
}
.engine-badge.ready{border-color:#26543f;color:#8fe3bd}
.engine-badge.ready .pulse{background:var(--green);box-shadow:0 0 8px var(--green);
  animation:pulse 2.2s infinite}
.engine-badge.busy{border-color:#5a4520;color:#ffd390}
.engine-badge.busy .pulse{background:var(--amber);animation:pulse .9s infinite}
.engine-badge.bad{border-color:#5c2730;color:#ffa3ac}
.engine-badge.bad .pulse{background:var(--red)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.32}}

/* ============================ 侧栏 ============================ */
#sidebar{
  background:var(--bg-2);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;min-height:0;min-width:150px;
}
.side-head{
  display:flex;align-items:center;gap:8px;
  padding:10px 10px 8px 13px;
  font-size:11.5px;letter-spacing:.8px;text-transform:uppercase;color:var(--ink-3);
}
.side-actions{margin-left:auto;display:flex;gap:2px}
.mini{
  min-width:22px;height:22px;padding:0 5px;border-radius:5px;
  color:var(--ink-3);font-size:12px;display:inline-grid;place-items:center;
  border:1px solid transparent;transition:.13s;
}
.mini:hover{background:var(--bg-4);color:var(--ink);border-color:var(--line)}
.mini.danger:hover{color:var(--red);border-color:#4a2430}
.mini b{color:var(--accent);font-weight:700;margin-left:3px}

.tree{flex:1;overflow:auto;padding:2px 6px 12px}
.node{
  display:flex;align-items:center;gap:6px;
  height:26px;padding:0 6px;border-radius:5px;
  color:var(--ink-2);font-size:13px;cursor:pointer;user-select:none;
  position:relative;white-space:nowrap;
}
.node:hover{background:var(--bg-3);color:var(--ink)}
.node.active{background:#232a3a;color:#fff}
.node.active::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:2px;
  border-radius:2px;background:var(--accent);
}
.node .ico{
  width:15px;height:15px;border-radius:3px;display:grid;place-items:center;
  font-size:9px;font-weight:800;flex:none;color:#0d1017;
}
.node .ico.stm{background:#ffb0ce}
.node .ico.opt{background:#9ec5ff}
.node .ico.py{background:#ffd98a}
.node .ico.img{background:#8ee6b6}
.node .ico.aud{background:#c5b4ff}
.node .ico.txt{background:#8d97ad}
.node .ico.dir{background:none;color:var(--ink-3);font-size:10px;width:12px}
.node .nm{overflow:hidden;text-overflow:ellipsis}
.node .badge{
  margin-left:auto;font-size:10px;color:var(--red);background:#3a1c24;
  padding:1px 5px;border-radius:9px;flex:none;
}
.node .badge.warn{color:var(--amber);background:#3a2f1a}
.node.dir-node{color:var(--ink-3);font-size:12px;font-weight:600;letter-spacing:.3px}
.node .dot-dirty{width:5px;height:5px;border-radius:50%;background:var(--amber);margin-left:auto;flex:none}

.side-foot{
  border-top:1px solid var(--line);padding:9px 12px 10px;
  font-size:11.5px;color:var(--ink-3);
}
.drop-hint{
  border:1px dashed var(--line-2);border-radius:var(--r-sm);
  padding:7px 8px;text-align:center;margin-bottom:7px;
  transition:.15s;line-height:1.35;
}
.drop-hint.hot{border-color:var(--accent);color:var(--accent);background:#20141c}
.storage-line{display:flex;justify-content:space-between}

/* ============================ 编辑器 ============================ */
#editor-pane{
  display:flex;flex-direction:column;min-width:0;min-height:0;
  background:var(--bg);
}
.tabbar{
  display:flex;align-items:stretch;height:36px;flex:none;
  background:var(--bg-2);border-bottom:1px solid var(--line);
}
.tabs{display:flex;overflow-x:auto;overflow-y:hidden;flex:1;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{
  display:flex;align-items:center;gap:7px;padding:0 10px 0 13px;
  font-size:12.5px;color:var(--ink-3);border-right:1px solid var(--line);
  white-space:nowrap;cursor:pointer;position:relative;max-width:200px;
}
.tab:hover{background:#171a24;color:var(--ink-2)}
.tab.active{background:var(--bg);color:var(--ink)}
.tab.active::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--accent);
}
.tab .tname{overflow:hidden;text-overflow:ellipsis}
.tab .tx{
  width:16px;height:16px;border-radius:4px;display:grid;place-items:center;
  font-size:13px;color:var(--ink-3);opacity:0;transition:.12s;
}
.tab:hover .tx,.tab.active .tx{opacity:1}
.tab .tx:hover{background:var(--bg-4);color:var(--red)}
.tab .tdot{width:6px;height:6px;border-radius:50%;background:var(--amber);flex:none}
.tabbar-right{display:flex;align-items:center;gap:4px;padding:0 8px;border-left:1px solid var(--line)}

#editor-wrap{flex:1;min-height:0;position:relative;display:flex}
.editor{
  flex:1;display:grid;grid-template-columns:54px minmax(0,1fr);
  min-height:0;position:relative;
}
.editor[hidden]{display:none}

.gutter{
  background:var(--bg);
  border-right:1px solid #1b1f2b;
  overflow:hidden;position:relative;
  font:var(--code-fs)/var(--code-lh) ui-monospace,Consolas,"Courier New",monospace;
  color:#3f475c;text-align:right;
  user-select:none;
  padding:var(--code-pad-y) 0;
}
.gutter-inner{transform:translateY(0)}
.gutter .ln{
  height:var(--code-lh);padding-right:12px;position:relative;
}
.gutter .ln.err{color:#ff8b96;background:#2a1418}
.gutter .ln.warn{color:#ffcf85;background:#2a2314}
.gutter .ln.cur{color:#dfe4f2}

.code-view{position:relative;overflow:hidden;min-width:0}
.highlight,#code{
  margin:0;border:0;
  font:var(--code-fs)/var(--code-lh) ui-monospace,Consolas,"Courier New",monospace;
  padding:var(--code-pad-y) var(--code-pad-x);
  tab-size:4;-moz-tab-size:4;
  white-space:pre;word-wrap:normal;
  letter-spacing:0;
}
.highlight{
  position:absolute;top:0;left:0;
  min-width:100%;width:max-content;
  color:var(--ink);
  pointer-events:none;
  will-change:transform;
  z-index:0;
}
#code{
  position:absolute;inset:0;width:100%;height:100%;
  resize:none;overflow:auto;
  background:transparent;color:transparent;
  caret-color:#ffd6e6;
  z-index:1;
  outline:none;
}
#code::selection{background:rgba(127,179,255,.28);color:transparent}
#code::-webkit-scrollbar{width:12px;height:12px}

/* 语法高亮配色 */
.tok-com{color:#59637a;font-style:italic}
.tok-kw{color:#c792ea;font-weight:600}
.tok-api{color:#82aaff}
.tok-ns{color:#ffcb6b}
.tok-str{color:#a8dd8a}
.tok-quote{color:#ff9dc0}
.tok-num{color:#f78c6c}
.tok-var{color:#dfe4f2}
.tok-head{color:#89ddff}
.tok-tag{color:#ff88bb;font-weight:600}
.tok-op{color:#8fb4d9}
.tok-bad{text-decoration:underline wavy var(--red);text-underline-offset:3px}

.empty-state{
  position:absolute;inset:0;display:none;flex-direction:column;
  align-items:center;justify-content:center;gap:6px;
  background:var(--bg);color:var(--ink-3);text-align:center;padding:30px;
}
.empty-state.on{display:flex}
.es-art{
  width:60px;height:60px;border-radius:18px;display:grid;place-items:center;
  font-size:27px;font-weight:800;color:#2a1a24;margin-bottom:8px;
  background:linear-gradient(135deg,RGBA(255,127,178,.85),RGBA(180,139,255,.8));
}
.empty-state h3{margin:0;font-size:15px;color:var(--ink-2);font-weight:600}
.empty-state p{margin:0;font-size:12.5px;line-height:1.6}

/* 查找条 */
.findbar{
  position:absolute;right:16px;top:8px;z-index:9;
  display:none;align-items:center;gap:6px;
  background:var(--bg-3);border:1px solid var(--line-2);border-radius:var(--r);
  padding:6px 7px;box-shadow:0 10px 28px rgba(0,0,0,.5);
}
.findbar.on{display:flex}
.findbar input{
  width:150px;height:26px;padding:0 8px;border-radius:5px;
  background:#0d1017;border:1px solid var(--line);outline:none;font-size:12.5px;
}
.findbar input:focus{border-color:var(--accent-2)}
.findbar input.replace{width:120px}
.findbar .fb-count{font-size:11.5px;color:var(--ink-3);min-width:52px;text-align:center}

/* 问题面板 */
.issues{
  flex:none;height:132px;min-height:0;
  background:var(--bg-2);border-top:1px solid var(--line);
  display:flex;flex-direction:column;
}
.issues.collapsed{height:31px}
.issues.collapsed .issues-body{display:none}
.issues-head{
  display:flex;align-items:center;gap:8px;height:30px;padding:0 12px;
  font-size:11.5px;letter-spacing:.6px;color:var(--ink-3);text-transform:uppercase;
  border-bottom:1px solid var(--line);flex:none;cursor:pointer;
}
.issues-head .issues-hint{font-size:11px;text-transform:none;letter-spacing:0;color:#4c5468}
.issues-body{flex:1;overflow:auto;padding:4px 0}
.issue-row{
  display:flex;align-items:flex-start;gap:8px;
  padding:5px 12px;font-size:12.5px;line-height:1.5;cursor:pointer;
}
.issue-row:hover{background:var(--bg-3)}
.issue-row .ilv{
  flex:none;margin-top:1px;font-size:10px;font-weight:700;
  padding:1px 5px;border-radius:4px;
}
.issue-row.error .ilv{color:#ff9aa4;background:#3a1a20}
.issue-row.warn .ilv{color:#ffd390;background:#3a2f1a}
.issue-row .iwhere{color:var(--ink-3);font-size:11.5px;flex:none;min-width:52px}
.issue-row .imsg{color:var(--ink-2);flex:1;word-break:break-word}
.issue-row .ihint{color:var(--ink-3);font-size:11.5px}
.issue-ok{padding:16px;text-align:center;color:var(--ink-3);font-size:12.5px}

.editor-foot{
  display:flex;align-items:center;gap:8px;height:24px;flex:none;
  padding:0 12px;font-size:11.5px;color:var(--ink-3);
  background:var(--bg-2);border-top:1px solid var(--line);
}
.editor-foot .sep{color:#333a4c}

/* ============================ 预览 ============================ */
#preview-pane{
  display:flex;flex-direction:column;min-width:0;min-height:0;
  background:#0a0c11;border-left:1px solid var(--line);
}
.preview-head{
  display:flex;align-items:center;gap:8px;height:36px;flex:none;
  padding:0 8px 0 12px;background:var(--bg-2);border-bottom:1px solid var(--line);
}
.pv-title{font-size:12px;letter-spacing:.8px;text-transform:uppercase;color:var(--ink-3)}
.pv-meta{font-size:11.5px;color:var(--ink-3)}
.mini-select{
  height:24px;border-radius:5px;background:var(--bg-3);border:1px solid var(--line);
  font-size:11.5px;color:var(--ink-2);padding:0 4px;outline:none;
}
.preview-body{flex:1;min-height:0;position:relative;overflow:hidden;
  background:radial-gradient(circle at 50% 40%,#141824,#080a0f 75%)}
.preview-frame-wrap{
  position:absolute;inset:0;display:none;place-items:center;overflow:hidden;
}
.preview-frame-wrap.on{display:grid}
#preview{
  width:100%;height:100%;border:0;background:#0a0c12;display:block;
  transform-origin:center center;
}
.preview-empty{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;color:var(--ink-3);
  text-align:center;padding:28px;
}
.preview-empty.hide{display:none}
.pe-icon{
  width:64px;height:64px;border-radius:50%;display:grid;place-items:center;
  background:#171b26;border:1px solid var(--line-2);margin-bottom:10px;
}
.pe-icon svg{width:30px;height:30px;fill:#4c5468;stroke:none;margin-left:3px}
.preview-empty h3{margin:0;font-size:14px;color:var(--ink-2);font-weight:600}
.preview-empty p{margin:0;font-size:12px;line-height:1.6;max-width:270px}
.preview-foot{
  display:flex;align-items:center;height:24px;flex:none;padding:0 12px;
  font-size:11.5px;color:var(--ink-3);background:var(--bg-2);border-top:1px solid var(--line);
}

/* 全屏预览 */
#preview-pane.theater{
  position:fixed;inset:0;z-index:80;border:0;
}
body.theater-on #topbar,body.theater-on #sidebar,body.theater-on #statusbar,
body.theater-on #editor-pane,body.theater-on .vsplit{display:none}
body.theater-on #main{grid-template-columns:0 0 0 0 1fr}

/* ============================ 状态栏 ============================ */
#statusbar{
  display:flex;align-items:center;gap:14px;padding:0 14px;
  background:#0b0d13;border-top:1px solid var(--line);
  font-size:11.5px;color:var(--ink-3);
}
.sb-item{white-space:nowrap;display:flex;align-items:center;gap:5px}
.sb-item.ok{color:#7fd6a8}
.sb-item.bad{color:#ff9aa4}
.sb-item.warn{color:#ffd390}
.sb-item.muted{color:#454d61}

/* ============================ 模态 ============================ */
.modal-mask{
  position:fixed;inset:0;z-index:100;display:none;
  align-items:center;justify-content:center;
  background:rgba(6,8,12,.66);backdrop-filter:blur(3px);
}
.modal-mask.on{display:flex}
.modal{
  width:min(560px,92vw);max-height:84vh;
  background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r-lg);
  box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden;
  animation:pop .16s ease-out;
}
@keyframes pop{from{transform:translateY(8px) scale(.985);opacity:0}to{transform:none;opacity:1}}
.modal.wide{width:min(760px,94vw)}
.modal-head{
  display:flex;align-items:center;gap:10px;padding:15px 16px 13px;
  border-bottom:1px solid var(--line);
}
.modal-head h3{margin:0;font-size:15px;font-weight:650}
.modal-head .mini{margin-left:auto;font-size:17px}
.modal-body{padding:16px;overflow:auto;font-size:13px;color:var(--ink-2);line-height:1.65}
.modal-foot{
  display:flex;justify-content:flex-end;gap:8px;padding:12px 16px;
  border-top:1px solid var(--line);background:#10131b;
}
.field{margin-bottom:13px}
.field:last-child{margin-bottom:0}
.field label{display:block;font-size:12px;color:var(--ink-3);margin-bottom:5px}
.field input[type=text],.field input[type=number],.field select,.field textarea{
  width:100%;height:34px;padding:0 10px;border-radius:var(--r-sm);
  background:#0d1017;border:1px solid var(--line-2);outline:none;font-size:13px;
}
.field textarea{height:auto;min-height:88px;padding:9px 10px;line-height:1.6;resize:vertical;
  font-family:ui-monospace,Consolas,monospace}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent-2)}
.field .hint{font-size:11.5px;color:var(--ink-3);margin-top:4px;line-height:1.5}
.field-row{display:flex;gap:10px}
.field-row .field{flex:1}

/* 新建项目模板卡 */
.tpl-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tpl{
  text-align:left;padding:13px;border-radius:var(--r);
  background:#10131b;border:1px solid var(--line);transition:.14s;
}
.tpl:hover{border-color:var(--line-2);background:#151925}
.tpl.sel{border-color:var(--accent);background:#1b1420;box-shadow:0 0 0 1px var(--accent) inset}
.tpl .tname{font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:4px}
.tpl .tdesc{font-size:11.5px;color:var(--ink-3);line-height:1.5}

/* 进度条 */
.progress{
  height:5px;border-radius:4px;background:#0c0f16;overflow:hidden;margin-top:10px;
}
.progress i{display:block;height:100%;width:0;border-radius:4px;
  background:linear-gradient(90deg,var(--accent),var(--violet));transition:width .2s}
.progress-text{font-size:11.5px;color:var(--ink-3);margin-top:6px}

/* ============================ 拖放遮罩 ============================ */
.drop-veil{
  position:fixed;inset:0;z-index:200;display:none;
  align-items:center;justify-content:center;
  background:rgba(10,12,18,.78);backdrop-filter:blur(2px);
}
.drop-veil.on{display:flex}
.dv-box{
  border:2px dashed var(--accent);border-radius:var(--r-lg);
  padding:34px 46px;text-align:center;background:#16111a;
  box-shadow:0 0 60px rgba(255,127,178,.16);
}
.dv-box strong{display:block;font-size:17px;margin-bottom:6px}
.dv-box span{font-size:12.5px;color:var(--ink-3)}

/* ============================ 小屏 ============================ */
@media (max-width:1080px){
  #main{grid-template-columns: 200px 5px minmax(260px,1fr) 5px 40%}
  .brand-name em{display:none}
  .project-chip .chip-sub{display:none}
}
@media (max-width:820px){
  #main{grid-template-columns: 0 0 minmax(0,1fr) 0 0}
  #sidebar,#vsplit-a,#vsplit-b,#preview-pane{display:none}
}