/* ============ PipaTool 万能在线编辑 ============ */
:root{
  --bg:#0f1220; --bg2:#161a2e; --card:#1c2140; --card2:#222850;
  --line:#2c3260; --text:#e8ebff; --muted:#9aa1c9;
  --acc:#6c8cff; --acc2:#a06cff; --ok:#4ade80; --warn:#fbbf24;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;line-height:1.6;min-height:100vh}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1160px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
code{background:var(--card2);padding:1px 6px;border-radius:6px;font-size:.9em}
.spacer{flex:1}
[hidden]{display:none!important}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(15,18,32,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:60px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:18px}
.logo:hover{text-decoration:none}
.logo-mark{font-size:24px}
.logo-text em{display:block;font-style:normal;font-size:11px;color:var(--muted);font-weight:400;margin-top:-3px}
.main-nav{display:flex;gap:6px;margin-left:auto}
.main-nav a{color:var(--muted);padding:6px 14px;border-radius:10px;font-size:14px}
.main-nav a:hover{color:var(--text);background:var(--card);text-decoration:none}
.main-nav a.active{color:var(--text);background:var(--card)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:10px;padding:8px 16px;font-size:14px;cursor:pointer;transition:.15s;font-family:inherit}
.btn:hover{background:var(--card2);text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--acc),var(--acc2));border-color:transparent;font-weight:600}
.btn-primary:hover{filter:brightness(1.1)}
.btn-ghost{background:transparent}
.btn-ghost:hover{background:var(--card)}
.btn-sm{padding:5px 12px;font-size:13px}
.btn-lg{padding:12px 26px;font-size:16px;border-radius:12px}
.btn-row{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.select,.input{background:var(--card);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:8px 12px;font-size:14px;font-family:inherit;width:100%}
.input{margin:8px 0}
select.btn{width:auto}

/* ---------- hero ---------- */
.hero{padding:72px 0 48px;text-align:center;background:radial-gradient(800px 400px at 50% -10%,rgba(108,140,255,.18),transparent),radial-gradient(600px 300px at 80% 20%,rgba(160,108,255,.12),transparent)}
.hero h1{font-size:44px;line-height:1.25;background:linear-gradient(135deg,#fff,#aebcff 60%,#c9a6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:var(--muted);max-width:640px;margin:16px auto 0;font-size:17px}
.hero-actions{display:flex;gap:14px;justify-content:center;margin:28px 0 20px;flex-wrap:wrap}
.hero-drop{border:1.5px dashed var(--line);border-radius:var(--radius);padding:22px;color:var(--muted);max-width:640px;margin:0 auto;transition:.2s}
.hero-drop.drag{border-color:var(--acc);color:var(--acc);background:rgba(108,140,255,.06)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:760px;margin:36px auto 0}
.hero-stats strong{display:block;font-size:26px;color:var(--acc)}
.hero-stats span{font-size:13px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:44px 20px}
.section-title{font-size:26px;margin-bottom:6px}
.section-sub{color:var(--muted);margin-bottom:26px}
.badge{font-size:12px;font-weight:400;color:var(--acc);border:1px solid var(--acc);border-radius:999px;padding:2px 10px;vertical-align:middle;margin-left:8px}

/* ---------- tool cards ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px}
.tool-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.15s;color:var(--text)}
.tool-card:hover{transform:translateY(-3px);border-color:var(--acc);text-decoration:none;box-shadow:0 10px 30px rgba(108,140,255,.15)}
.tool-icon{font-size:30px;margin-bottom:10px}
.tool-card h3{font-size:17px;margin-bottom:6px}
.tool-card p{color:var(--muted);font-size:14px;margin-bottom:10px}
.tool-ext{font-size:12px;color:var(--acc);background:rgba(108,140,255,.1);border-radius:8px;padding:3px 8px;display:inline-block}

/* ---------- launcher embed ---------- */
.launcher-embed{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:26px;background:var(--bg2)}
.launcher-embed-head{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--card);border-bottom:1px solid var(--line)}
.launcher-embed-head .dot{width:11px;height:11px;border-radius:50%;background:var(--line)}
.launcher-embed-head .dot:first-child{background:#ff5f57}
.launcher-embed-head .dot:nth-child(2){background:#febc2e}
.launcher-embed-head .dot:nth-child(3){background:#28c840}
.launcher-title{margin-left:8px;font-size:13px;color:var(--muted);flex:1}
.launcher-embed iframe{width:100%;height:620px;border:0;display:block;background:#fff}
.launcher-full{width:100%;height:78vh;border:1px solid var(--line);border-radius:var(--radius);margin:20px 0;background:#fff}

/* ---------- app cards ---------- */
.app-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.app-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;gap:14px;align-items:flex-start;transition:.15s;color:var(--text)}
.app-card:hover{border-color:var(--acc2);text-decoration:none;transform:translateY(-2px)}
.app-card img{width:52px;height:52px;border-radius:12px;flex:none}
.app-card h4{font-size:15px}
.app-card h4 small{color:var(--muted);font-weight:400;margin-left:6px;font-size:12px}
.app-card p{font-size:13px;color:var(--muted);margin-top:3px}
.app-card .dl{display:inline-block;margin-top:8px;font-size:12px;color:var(--acc2)}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.about-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.about-item h4{margin-bottom:6px}
.about-item p{color:var(--muted);font-size:14px}

/* ---------- toolbar (tool pages) ---------- */
.toolbar{display:flex;align-items:center;gap:10px;padding:12px 20px;border-bottom:1px solid var(--line);flex-wrap:wrap;background:var(--bg2)}
.toolbar-title{font-size:15px}
.toolbar-file{color:var(--muted);font-size:13px;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- editor ---------- */
.editor-wrap{padding:16px 20px;height:calc(100vh - 115px);display:flex;flex-direction:column}
.editor-meta{display:flex;gap:18px;color:var(--muted);font-size:12px;padding:6px 2px}
.editor-body{flex:1;display:flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg2);min-height:0}
.editor-gutter{padding:14px 10px;text-align:right;color:var(--muted);background:var(--card);border-right:1px solid var(--line);font:13px/1.55 Consolas,Menlo,monospace;user-select:none;overflow:hidden;min-width:52px}
.editor-area{flex:1;background:transparent;border:0;outline:0;resize:none;color:var(--text);padding:14px;font:14px/1.55 Consolas,Menlo,monospace;white-space:pre;overflow:auto}
.editor-area::placeholder{color:#555c88}
.json-area{flex:1}

/* ---------- split (markdown) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:16px 20px;height:calc(100vh - 115px)}
.split .pane{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg2);padding:16px;overflow:auto;min-height:0}
.md-preview h1,.md-preview h2{border-bottom:1px solid var(--line);padding-bottom:6px;margin:14px 0 8px}
.md-preview h3,.md-preview h4{margin:12px 0 6px}
.md-preview p,.md-preview ul,.md-preview ol{margin:8px 0}
.md-preview pre{background:var(--card);padding:12px;border-radius:10px;overflow:auto;margin:8px 0}
.md-preview code{font-family:Consolas,Menlo,monospace}
.md-preview table{border-collapse:collapse;margin:10px 0}
.md-preview th,.md-preview td{border:1px solid var(--line);padding:6px 12px}
.md-preview img{max-width:100%}
.md-preview blockquote{border-left:3px solid var(--acc);padding-left:12px;color:var(--muted);margin:8px 0}

/* ---------- image editor ---------- */
.img-layout{display:grid;grid-template-columns:1fr 300px;gap:16px;padding:16px 20px;height:calc(100vh - 115px)}
.img-canvas-wrap{border:1px solid var(--line);border-radius:var(--radius);background:repeating-conic-gradient(#1a1f38 0 25%,#151930 0 50%) 0 0/24px 24px;display:flex;align-items:center;justify-content:center;overflow:auto;position:relative}
.img-empty{position:absolute;color:var(--muted)}
.img-canvas-wrap canvas{max-width:100%;max-height:100%;box-shadow:0 8px 30px rgba(0,0,0,.4)}
.img-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;overflow:auto}
.img-panel h4{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin:14px 0 6px}
.img-panel h4:first-child{margin-top:0}
.img-panel label{display:block;font-size:13px;margin:8px 0}
.img-panel label output{float:right;color:var(--acc)}
.img-panel input[type=range]{width:100%;accent-color:var(--acc)}
.crop-row{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:8px}
.crop-row input{background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:6px 8px;font-size:13px}
#imgInfo{font-size:12px;margin-top:10px}

/* ---------- pdf ---------- */
.pdf-layout{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:20px}
.pdf-layout2{display:grid;grid-template-columns:250px minmax(0,1fr) 320px;gap:16px;padding:20px}
.pdf-pane{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;min-width:0}
.pdf-pane h3{font-size:16px;margin-bottom:12px}
.pdf-preview-pane{display:flex;flex-direction:column}
.pdf-canvas-wrap{flex:1;min-height:420px;border:1px solid var(--line);border-radius:10px;background:#3a3f5c;display:flex;align-items:flex-start;justify-content:center;overflow:auto;position:relative;padding:10px}
.pdf-canvas-wrap canvas{background:#fff;box-shadow:0 6px 24px rgba(0,0,0,.45);max-width:100%;height:auto}
.pdf-thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(86px,1fr));gap:8px;max-height:420px;overflow:auto;margin-bottom:12px;padding:2px}
.pdf-thumb{border:1px solid var(--line);border-radius:8px;overflow:hidden;cursor:pointer;background:var(--bg2);position:relative}
.pdf-thumb.cur{border-color:var(--acc);box-shadow:0 0 0 2px rgba(108,140,255,.4)}
.pdf-thumb.del{opacity:.28;filter:grayscale(1)}
.pdf-thumb canvas{display:block;width:100%;height:auto;background:#fff}
.pdf-thumb-bar{display:flex;align-items:center;gap:2px;padding:2px 4px;background:var(--card);font-size:11px}
.pdf-thumb-bar button{border:0;background:none;color:var(--text);cursor:pointer;font-size:12px;padding:0 3px}
.pdf-thumb-bar button:hover{color:var(--acc)}
.pdf-thumb-bar span{margin-right:auto}
.pdf-hr{border:0;border-top:1px solid var(--line);margin:16px 0}
.pdf-modes{justify-content:flex-start;margin-bottom:10px;flex-wrap:wrap}
.pdf-modes .mode.active{background:linear-gradient(135deg,var(--acc),var(--acc2));border-color:transparent}
.mode-opts{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.opt-num{width:52px;background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:4px 6px;font-size:13px}
.opt-color{width:34px;height:28px;border:1px solid var(--line);border-radius:6px;background:var(--bg2);padding:1px;cursor:pointer}
.pdf-anns li{gap:6px}
.pdf-anns li .rm{margin-left:0}
.pdf-anns li span{flex:1}
.pdf-text-editor{position:absolute;z-index:10;background:var(--card);border:1px solid var(--acc);border-radius:10px;padding:8px;width:230px;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.pdf-text-editor textarea{width:100%;background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:6px 8px;font-size:13px;font-family:inherit;resize:vertical}
.pdf-canvas-wrap{position:relative}
.engine-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:#666;vertical-align:middle;margin-right:2px}
.engine-dot.on{background:var(--ok);box-shadow:0 0 6px var(--ok)}
.engine-out{max-height:220px;overflow:auto;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:10px;font-size:12px;font-family:Consolas,Menlo,monospace;white-space:pre-wrap;word-break:break-all;margin-top:8px}
.pdf-list{list-style:none;margin-bottom:14px;max-height:300px;overflow:auto}
.pdf-list li{display:flex;align-items:center;gap:8px;padding:8px 10px;border-bottom:1px solid var(--line);font-size:14px}
.pdf-list li .rm{margin-left:auto;color:#ff7676;cursor:pointer;border:0;background:none;font-size:14px}
.pdf-list li .up,.pdf-list li .down{border:0;background:none;color:var(--muted);cursor:pointer}
#pdfPick{margin-bottom:4px}

/* ---------- sheet ---------- */
.sheet-wrap{padding:16px 20px}
.table-scroll{border:1px solid var(--line);border-radius:var(--radius);overflow:auto;max-height:calc(100vh - 190px);background:var(--bg2)}
#sheetTable{border-collapse:collapse;font-size:13px;min-width:100%}
#sheetTable th{background:var(--card);position:sticky;top:0;border:1px solid var(--line);padding:6px 10px;min-width:90px;white-space:nowrap}
#sheetTable td{border:1px solid var(--line);padding:0}
#sheetTable td input{background:transparent;border:0;outline:0;color:var(--text);padding:6px 10px;width:100%;min-width:80px;font:inherit}
#sheetTable td.rowh{background:var(--card);text-align:center;color:var(--muted);padding:6px}
#sheetTable td .cell-rm{display:block;text-align:center;color:#ff7676;cursor:pointer;padding:6px}

/* ---------- drop overlay ---------- */
.drop-overlay{position:fixed;inset:0;z-index:200;background:rgba(10,12,24,.88);display:none;align-items:center;justify-content:center}
.drop-overlay.show{display:flex}
.drop-box{border:2px dashed var(--acc);border-radius:20px;padding:60px 80px;text-align:center;background:rgba(108,140,255,.08)}
.drop-icon{font-size:52px}
.drop-title{font-size:22px;font-weight:700;margin-top:12px}
.drop-hint{color:var(--muted);margin-top:6px}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);margin-top:40px;padding:28px 20px;text-align:center;color:var(--muted);font-size:14px}
.site-footer .muted{font-size:12px;margin-top:6px}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .hero h1{font-size:32px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .main-nav{display:none}
  .split,.img-layout,.pdf-layout,.pdf-layout2{grid-template-columns:1fr;height:auto}
  .editor-wrap{height:auto}
  .editor-body{height:60vh}
  .launcher-embed iframe{height:520px}
}