:root{--bg:#0d1117;--surface:#161b22;--surface2:#21262d;--border:#30363d;
  --accent:#f0db4f;--accent2:#c9a800;--purple:#a78bfa;
  --text:#e6edf3;--muted:#8b949e;--green:#3fb950;--red:#f85149;--r:6px;
  --mono:'JetBrains Mono','Fira Code',monospace;--sans:'Inter',-apple-system,system-ui,sans-serif;}
body.light{
  --bg:#f0f2f5;--surface:#fafbfc;--surface2:#eaedf1;
  --border:#c8cdd4;--text:#1c2128;--muted:#57606a;--accent2:#b89500;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.5;min-height:100vh;}
a{color:var(--accent);text-decoration:none;}a:hover{text-decoration:underline;}

.header{background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;display:flex;align-items:center;height:56px;}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:1.05rem;font-weight:700;color:var(--text);}
.logo-icon{width:32px;height:32px;background:#f0db4f;border-radius:6px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:13px;color:#000;flex-shrink:0;}
.logo-text{color:var(--text);}.logo-text span{color:var(--muted);font-weight:400;}
.header-nav{display:flex;align-items:center;margin-left:24px;}
.header-nav a{color:var(--muted);font-size:0.875rem;padding:0 10px;height:56px;display:flex;align-items:center;transition:.15s;}
.header-nav a:hover{color:var(--text);text-decoration:none;}
.header-right{margin-left:auto;display:flex;align-items:center;gap:6px;}
.icon-btn{background:none;border:1px solid var(--border);border-radius:var(--r);padding:6px 10px;cursor:pointer;color:var(--muted);font-size:0.8rem;font-family:var(--sans);display:flex;align-items:center;gap:5px;transition:.15s;white-space:nowrap;}
.icon-btn:hover{border-color:var(--accent);color:var(--accent);}

/* Lang switch */
.lang-switch{display:flex;align-items:center;background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);padding:2px;gap:1px;}
.lang-btn{font-family:var(--mono);font-size:0.72rem;font-weight:700;padding:3px 8px;border-radius:4px;color:var(--muted);transition:.15s;cursor:pointer;text-decoration:none;}
.lang-btn:hover{color:var(--text);text-decoration:none;}
.lang-btn.lang-active{background:var(--accent);color:#000;}
body.light .lang-btn.lang-active{background:var(--accent);color:#000;}

.toolbar{background:var(--surface);border-bottom:1px solid var(--border);padding:10px 24px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.fn-badge-name{font-family:var(--mono);font-size:0.88rem;color:#f0db4f;background:rgba(240,219,79,.1);border:1px solid rgba(240,219,79,.3);padding:4px 12px;border-radius:var(--r);}
.toolbar-sep{flex:1;}
.run-btn{background:var(--accent);color:#000;border:none;padding:8px 20px;border-radius:var(--r);font-family:var(--mono);font-size:0.875rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:.15s;}
.run-btn:hover{background:var(--accent2);}

.page{display:grid;grid-template-columns:1fr 300px;min-height:calc(100vh - 113px);}
@media(max-width:900px){.page{grid-template-columns:1fr;}}
.main{padding:24px;border-right:1px solid var(--border);}
.sidebar{padding:16px;background:var(--surface);}

.fn-category{font-size:0.7rem;font-family:var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:4px;}
.fn-title{font-family:var(--mono);font-size:1.6rem;font-weight:700;color:var(--text);margin-bottom:6px;}
.fn-desc{font-size:0.9rem;color:var(--muted);margin-bottom:16px;max-width:580px;}
.fn-badges{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px;}
.badge{font-size:0.72rem;font-family:var(--mono);padding:3px 9px;border-radius:100px;border:1px solid var(--border);background:var(--surface2);color:var(--muted);}
.badge-ret{color:var(--green);border-color:rgba(63,185,80,.3);background:rgba(63,185,80,.07);}
.badge-php{color:var(--purple);border-color:rgba(167,139,250,.3);background:rgba(167,139,250,.07);}

.param-form{margin-bottom:16px;}
.param-row{margin-bottom:14px;}
.param-meta{display:flex;align-items:center;gap:8px;margin-bottom:4px;flex-wrap:wrap;}
.pname{font-family:var(--mono);font-size:0.82rem;color:#f0db4f;font-weight:600;}
.ptype{font-family:var(--mono);font-size:0.7rem;color:var(--purple);background:rgba(167,139,250,.08);padding:1px 7px;border-radius:100px;border:1px solid rgba(167,139,250,.2);}
.popt{font-size:0.68rem;color:var(--muted);font-family:var(--mono);}
.pdesc{font-size:0.78rem;color:var(--muted);margin-bottom:5px;}
.param-input{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);padding:8px 12px;font-family:var(--mono);font-size:0.875rem;color:var(--text);outline:none;transition:border-color .15s;resize:vertical;min-height:42px;line-height:1.5;}
.param-input:focus{border-color:var(--accent);}
.param-input::placeholder{color:var(--muted);}
.no-params{font-family:var(--mono);font-size:0.82rem;color:var(--muted);background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;margin-bottom:16px;}
.call-preview{background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);padding:10px 14px;font-family:var(--mono);font-size:0.875rem;color:#f0db4f;margin-bottom:14px;word-break:break-all;border-left:3px solid rgba(240,219,79,.4);}
.out-label{font-family:var(--mono);font-size:0.68rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);margin-bottom:6px;}
#output{background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;font-family:var(--mono);font-size:0.875rem;min-height:48px;white-space:pre-wrap;word-break:break-all;margin-bottom:20px;}
#output.ok{border-left:3px solid var(--green);color:var(--green);}
#output.err{border-left:3px solid var(--red);color:var(--red);}
#output.empty{color:var(--muted);font-style:italic;}
.sec-title{font-family:var(--mono);font-size:0.68rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);margin-bottom:8px;margin-top:24px;}
.params-table{width:100%;border-collapse:collapse;font-size:0.84rem;}
.params-table th{text-align:left;padding:6px 10px;border-bottom:1px solid var(--border);color:var(--muted);font-family:var(--mono);font-size:0.68rem;text-transform:uppercase;font-weight:500;}
.params-table td{padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top;}
.params-table tr:last-child td{border-bottom:none;}
.p-name{font-family:var(--mono);color:#f0db4f;}
.p-type{font-family:var(--mono);color:var(--purple);font-size:0.78rem;}
.p-req{font-size:0.66rem;padding:2px 7px;border-radius:100px;font-family:var(--mono);white-space:nowrap;}
.req{background:rgba(248,81,73,.1);color:var(--red);border:1px solid rgba(248,81,73,.3);}
.opt{background:rgba(139,148,158,.1);color:var(--muted);border:1px solid var(--border);}
.side-section{margin-bottom:18px;}
.side-title{font-family:var(--mono);font-size:0.68rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid var(--border);}
.php-link{display:flex;align-items:center;gap:8px;padding:10px 12px;background:rgba(167,139,250,.06);border:1px solid rgba(167,139,250,.2);border-radius:var(--r);color:var(--purple);font-size:0.84rem;margin-bottom:8px;}
.php-link:hover{background:rgba(167,139,250,.12);text-decoration:none;}
.info-row{display:flex;justify-content:space-between;font-size:0.82rem;padding:5px 0;border-bottom:1px solid var(--border);}
.info-row:last-child{border-bottom:none;}
.info-key{color:var(--muted);}.info-val{font-family:var(--mono);color:var(--text);font-size:0.78rem;}
.example-card{background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);padding:10px 12px;margin-bottom:8px;cursor:pointer;transition:.15s;}
.example-card:hover{border-color:var(--accent);background:rgba(240,219,79,.04);}
.example-code{font-family:var(--mono);font-size:0.78rem;color:var(--text);margin-bottom:3px;word-break:break-all;}
.example-desc{font-size:0.72rem;color:var(--muted);}
.example-card:hover .example-code{color:#f0db4f;}
.ad-slot{background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:0.7rem;font-family:var(--mono);text-align:center;line-height:1.8;}
.ad-top{height:90px;margin-bottom:20px;}
.ad-side{min-height:250px;margin-bottom:16px;}
.toast{position:fixed;bottom:24px;right:24px;background:var(--green);color:#000;padding:10px 18px;border-radius:var(--r);font-family:var(--mono);font-size:0.82rem;font-weight:700;opacity:0;transition:opacity .25s;pointer-events:none;z-index:999;}
.toast.show{opacity:1;}
footer{border-top:1px solid var(--border);padding:16px 24px;text-align:center;font-size:0.8rem;color:var(--muted);background:var(--surface);}
footer a{color:var(--muted);}footer a:hover{color:var(--text);}

/* Index */
.sister-bar{background:rgba(167,139,250,.06);border-bottom:1px solid rgba(167,139,250,.2);text-align:center;padding:8px 24px;font-size:0.82rem;color:var(--muted);}
.sister-bar a{color:var(--purple);}
.hero{padding:48px 24px 32px;text-align:center;border-bottom:1px solid var(--border);}
.hero-logo{display:inline-flex;align-items:center;gap:12px;margin-bottom:14px;}
.hero-icon{width:48px;height:48px;background:#f0db4f;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px;color:#000;}
.hero-title{font-family:var(--mono);font-size:2.2rem;font-weight:700;color:var(--text);}
.hero-title span{color:var(--accent);}
.hero-sub{color:var(--muted);font-size:0.95rem;max-width:480px;margin:0 auto;}
.index-main{max-width:1100px;margin:0 auto;padding:28px 24px;}
.cat-title{font-family:var(--mono);font-size:0.7rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);margin:24px 0 10px;}
.fn-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(195px,1fr));gap:8px;}
.fn-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;transition:.15s;display:block;}
.fn-card:hover{border-color:var(--accent);text-decoration:none;background:rgba(240,219,79,.04);}
.fn-card-name{font-family:var(--mono);font-size:0.875rem;color:#f0db4f;margin-bottom:3px;}
.fn-card-desc{font-size:0.75rem;color:var(--muted);}
.fn-card-php{font-size:0.7rem;color:var(--purple);font-family:var(--mono);margin-top:5px;display:block;}
.cm-wrap{border:1px solid var(--border);border-radius:var(--r);overflow:hidden;margin-bottom:12px;}
.cm-header{background:var(--surface2);border-bottom:1px solid var(--border);padding:8px 14px;display:flex;align-items:center;gap:8px;}
.dots{display:flex;gap:5px;}.dot{width:10px;height:10px;border-radius:50%;}
.dot-r{background:#f87171;}.dot-y{background:#fbbf24;}.dot-g{background:#4ade80;}
.cm-label{font-family:var(--mono);font-size:0.72rem;color:var(--muted);margin-left:4px;}
.cm-footer{background:var(--surface2);border-top:1px solid var(--border);padding:8px 14px;display:flex;align-items:center;gap:8px;}
#cmcode{display:none;}
#custom-output{background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;font-family:var(--mono);font-size:0.875rem;min-height:44px;white-space:pre-wrap;word-break:break-all;margin-bottom:24px;}
#custom-output.ok{border-left:3px solid var(--green);color:var(--green);}
#custom-output.err{border-left:3px solid var(--red);color:var(--red);}
#custom-output.empty{color:var(--muted);font-style:italic;}
.CodeMirror{background:#0d1117 !important;font-family:var(--mono) !important;font-size:0.875rem !important;line-height:1.7 !important;height:auto !important;min-height:120px;}
.CodeMirror-scroll{min-height:120px;}
.CodeMirror-gutters{background:#0a0e14 !important;border-right:1px solid var(--border) !important;}
.CodeMirror-linenumber{color:#444c56 !important;}
.CodeMirror-cursor{border-left:2px solid var(--accent) !important;}
.CodeMirror-selected{background:rgba(240,219,79,.1) !important;}
body.light .CodeMirror{background:#eaedf1 !important;}
body.light .CodeMirror-gutters{background:#dde1e7 !important;border-right-color:var(--border) !important;}
body.light .CodeMirror-linenumber{color:#8b949e !important;}

/* Light theme text overrides */
body.light .pname,body.light .p-name,body.light #preview,
body.light .fn-badge-name,body.light .fn-card-name,
body.light .call-preview,body.light .example-card:hover .example-code,
body.light .fn-title{color:#7a5f00 !important;}
body.light .badge-ret{color:#1a6e2e !important;border-color:rgba(26,110,46,.35) !important;background:rgba(26,110,46,.06) !important;}
body.light .badge-php{color:#5b3eb5 !important;border-color:rgba(91,62,181,.3) !important;background:rgba(91,62,181,.06) !important;}
body.light .ptype{color:#5b3eb5 !important;border-color:rgba(91,62,181,.2) !important;background:rgba(91,62,181,.06) !important;}
body.light .p-type{color:#5b3eb5 !important;}
body.light .php-link{color:#5b3eb5 !important;}
body.light .fn-card-php{color:#5b3eb5 !important;}
body.light .fn-badge-name{background:rgba(122,95,0,.08) !important;border-color:rgba(122,95,0,.3) !important;}
body.light .call-preview{border-left-color:rgba(122,95,0,.4) !important;background:#f5f0e0 !important;}

/* 404 */
.err404{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 24px;text-align:center;}
.err404-code{font-family:var(--mono);font-size:6rem;font-weight:900;color:var(--accent);line-height:1;margin-bottom:12px;}
.err404-msg{font-size:1.1rem;color:var(--muted);margin-bottom:24px;}
.err404-back{background:var(--accent);color:#000;padding:10px 24px;border-radius:var(--r);font-family:var(--mono);font-weight:700;font-size:0.9rem;display:inline-block;}
.err404-back:hover{background:var(--accent2);text-decoration:none;}

/* Mobile */
@media(max-width:900px){
  .page{grid-template-columns:1fr;}
  .sidebar{border-top:1px solid var(--border);}
  .ad-side{min-height:120px;}
}
@media(max-width:640px){
  /* Full-width — kill "card on beige" effect */
  html,body{background:var(--surface) !important;}
  .hero{background:var(--surface);}
  .index-main{background:var(--surface);}

  /* Header */
  .header{padding:0 12px;height:50px;background:var(--surface);}
  .header-nav a{padding:0 8px;font-size:0.8rem;}
  .header-nav a.nav-hide{display:none;}
  .header-right .icon-btn.share-hide{display:none;}
  .icon-btn{padding:5px 8px;font-size:0.75rem;}
  .logo-text span{display:none;}
  .lang-btn{padding:3px 6px;font-size:0.68rem;}

  /* Sister bar */
  .sister-bar{font-size:0.75rem;padding:6px 12px;}

  /* Hero compact */
  .hero{padding:20px 16px 16px;}
  .hero-logo{gap:8px;margin-bottom:10px;}
  .hero-icon{width:36px;height:36px;font-size:14px;border-radius:8px;}
  .hero-title{font-size:1.5rem;}
  .hero-sub{font-size:0.82rem;max-width:320px;}

  /* Function toolbar */
  .toolbar{padding:8px 12px;gap:6px;position:sticky;top:0;z-index:100;background:var(--surface);}
  .fn-badge-name{font-size:0.78rem;padding:3px 8px;}
  .run-btn{padding:7px 14px;font-size:0.8rem;}
  .toolbar .run-btn{margin-left:auto;}

  /* Main content */
  .main{padding:14px 12px;border-right:none;}
  .sidebar{padding:12px;background:var(--surface2);}
  .fn-title{font-size:1.2rem;}
  .fn-desc{font-size:0.84rem;}
  .fn-badges{gap:5px;margin-bottom:14px;}
  .badge{font-size:0.68rem;padding:2px 7px;}

  /* Param inputs */
  .param-input{min-height:36px;font-size:0.82rem;padding:7px 10px;}
  .call-preview{font-size:0.8rem;padding:8px 10px;margin-bottom:10px;}

  /* Ads */
  .ad-top{height:60px;font-size:0.62rem;margin-bottom:14px;}
  .ad-side{display:none;}

  /* Params table: hide Type col */
  .params-table{font-size:0.78rem;}
  .params-table th:nth-child(2),.params-table td:nth-child(2){display:none;}
  .params-table th,.params-table td{padding:5px 6px;}

  /* Index layout */
  .index-main{padding:14px 12px;}
  .cat-title{margin:18px 0 8px;}
  .fn-grid{grid-template-columns:repeat(auto-fill,minmax(145px,1fr));gap:6px;}
  .fn-card{padding:10px 12px;}
  .fn-card-name{font-size:0.82rem;}
  .fn-card-desc{font-size:0.72rem;}

  /* CodeMirror toolbar */
  .cm-footer{flex-wrap:wrap;padding:8px 10px;gap:6px;}
  .cm-footer .run-btn{font-size:0.8rem;padding:7px 14px;}
  .cm-footer kbd{display:none;}
  .cm-header{padding:7px 10px;}

  /* SEO sections */
  .sec-title{margin-top:18px;}
}