/* Styles exclusive to the PHP article; brand tokens come from onetech.css. */

*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.75 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--green);text-underline-offset:4px}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #a75225;outline-offset:4px}.site-header{position:sticky;top:0;z-index:9;background:var(--navy);color:#f6f3ea}.wrap{max-width:1180px;margin:auto;padding:0 30px}.nav{height:80px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:19px;font-weight:800;color:#f6f3ea;text-decoration:none}.brand:before{content:'◈';color:var(--mint);margin-right:10px}.reading{height:3px;background:#2c414b}.reading span{display:block;width:0;height:100%;background:var(--mint)}.breadcrumbs{font-size:12px;display:flex;gap:10px;padding-top:28px;color:var(--muted)}.breadcrumbs a{color:var(--muted)}.hero{display:grid;grid-template-columns:1.5fr 1fr;gap:60px;padding:45px 0 56px;align-items:center}.kicker{font:700 11px/1.5 ui-monospace,monospace;letter-spacing:2px;text-transform:uppercase;color:var(--green)}h1{font-family:Georgia,serif;font-weight:500;font-size:clamp(42px,5.2vw,67px);line-height:1.06;letter-spacing:-2px;margin:20px 0 24px}h1 em{font-style:normal;color:var(--green)}.intro{font-size:19px;line-height:1.7;color:var(--muted);max-width:600px}.meta{font-size:12px;margin-top:28px;display:flex;gap:14px;flex-wrap:wrap;color:var(--muted)}.meta b{color:var(--ink)}.hero-visual{background:var(--navy);color:#e7eee9;border-radius:15px;padding:28px;min-height:330px;position:relative;box-shadow:12px 12px 0 #e2e6dc;overflow:hidden}.window-dots{color:#70808a;letter-spacing:5px;font-size:12px}.php-mark{font:italic bold 91px/1.2 Georgia,serif;color:var(--mint);margin:32px 0 20px}.visual-line{font:12px ui-monospace,monospace;color:#becdce;padding:12px 0;border-top:1px solid #334954}.visual-line b{color:var(--mint);float:right}.scope{background:var(--pale);border:1px solid #c9ddd0;border-radius:10px;padding:22px 26px;display:flex;gap:20px;align-items:flex-start}.scope strong{color:var(--green)}.scope p{margin:0;font-size:15px}.scope .symbol{font-size:25px;line-height:1}.layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:60px;margin:54px auto 75px}.toc{position:sticky;top:112px;align-self:start;border-left:1px solid var(--line);padding-left:20px}.toc p{margin:0 0 14px}.toc a{display:block;font-size:13px;text-decoration:none;color:var(--muted);padding:8px 0}.toc a:hover{color:var(--green)}.article{min-width:0}.article section{margin-bottom:54px}.section-no{font:12px ui-monospace,monospace;color:var(--green);letter-spacing:1px}h2{font:500 clamp(29px,3vw,38px)/1.18 Georgia,serif;letter-spacing:-.7px;margin:10px 0 20px}h3{font-size:20px;line-height:1.35;margin:15px 0}p{margin:14px 0}.muted{color:var(--muted)}.filters{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0 10px}.filters button{border:1px solid #c9d2ca;background:transparent;color:var(--muted);border-radius:25px;padding:8px 17px;font-size:13px}.filters button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}.filter-note{font-size:12px;color:var(--muted);margin-bottom:20px}.vuln{background:#fffef9;border:1px solid var(--line);border-radius:12px;padding:26px;margin:16px 0}.vuln-top{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font:11px ui-monospace,monospace;color:var(--muted)}.severity{border-radius:5px;background:var(--warm);color:#854015;padding:3px 8px;font-weight:700}.severity.critical{background:#f8e0df;color:#9e3235}.vuln p{font-size:15px}.vuln code{font-size:.85em}.vuln .remedy{background:var(--pale);padding:12px 16px;border-radius:7px}.vuln .source{font-size:12px;margin:17px 0 0}.source a{color:var(--muted)}.callout{border-left:3px solid var(--amber);background:var(--warm);padding:18px 22px;border-radius:0 8px 8px 0;font-size:15px;margin:24px 0}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px;margin:22px 0}th,td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line)}th{font-size:11px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);background:#eaece4}td:first-child{font-weight:700}td:nth-child(2){font-family:ui-monospace,monospace;color:var(--green);font-weight:700}.steps{list-style:none;padding:0;counter-reset:step}.steps li{counter-increment:step;padding:18px 0 18px 50px;position:relative;border-bottom:1px solid var(--line);font-size:15px}.steps li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:20px;font:13px ui-monospace,monospace;color:var(--green)}.steps b{display:block;margin-bottom:3px}.codebox{background:var(--navy);color:#dbebe3;border-radius:10px;margin:20px 0;overflow:hidden}.codehead{padding:10px 18px;border-bottom:1px solid #32414d;display:flex;justify-content:space-between;align-items:center;font:11px ui-monospace,monospace;color:#b2c8c8}.copy{border:1px solid #53676f;background:transparent;color:#b5f4d2;border-radius:5px;padding:5px 10px;font-size:11px}pre{overflow:auto;padding:20px;margin:0;font:13px/1.8 ui-monospace,monospace}code{font-family:ui-monospace,monospace;overflow-wrap:anywhere}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.practice{border-top:3px solid var(--green);background:#ecefe5;padding:20px}.practice p{font-size:15px}.small{font-size:12px}.checks{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fffef9}.checkhead{padding:20px 24px;background:var(--pale)}.checkhead p{margin:0}.check{display:flex;gap:14px;align-items:flex-start;padding:17px 24px;border-top:1px solid var(--line);font-size:15px}.check input{width:20px;height:20px;accent-color:var(--green);margin-top:4px;flex-shrink:0}.check:has(input:checked) span{text-decoration:line-through;color:var(--muted)}.action-row{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}.btn{border:1px solid var(--line);padding:10px 17px;border-radius:7px;background:transparent;color:var(--ink);font-size:13px;text-decoration:none}.btn.primary{background:var(--green);color:white;border-color:var(--green)}.sources{font-size:13px;line-height:1.8;padding-left:22px}.sources li{padding:5px 0}.faq{border-top:1px solid var(--line);padding:16px 0}summary{font-size:16px;font-weight:650;cursor:pointer}details p{font-size:15px;color:var(--muted)}.closing{background:var(--navy);color:#f6f3ea;border-radius:12px;padding:30px}.closing h2{font-size:29px}.closing p{font-size:15px;color:#b5c9cb}.closing a{color:var(--mint)}footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:12px}.footerline{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.skip{position:absolute;top:-100px;left:16px;background:white;color:var(--ink);z-index:20}.skip:focus{top:12px;padding:8px}[hidden]{display:none!important}@media(max-width:900px){.hero{gap:30px;grid-template-columns:1.5fr 1fr}.hero-visual{padding:22px}.layout{grid-template-columns:165px minmax(0,1fr);gap:30px}}@media(max-width:680px){.wrap{padding:0 20px}.nav{height:70px}.brand{font-size:17px}nav{gap:16px}.hero{grid-template-columns:1fr;padding-top:30px;gap:28px}h1{font-size:44px;letter-spacing:-1.6px}.hero-visual{min-height:190px;padding:20px;box-shadow:7px 7px 0 #e2e6dc}.php-mark{font-size:64px;margin:10px 0 12px}.hero-visual .visual-line:last-child{display:none}.layout{grid-template-columns:1fr;margin-top:30px;gap:30px}.toc{position:static;border-left:0;border-bottom:1px solid var(--line);padding:0 0 20px;display:flex;gap:10px 20px;flex-wrap:wrap}.toc p{width:100%;margin:0}.toc a{padding:0;font-size:12px}.scope{padding:18px;gap:12px}.vuln{padding:20px}.two-col{grid-template-columns:1fr}.intro{font-size:17px}.meta{font-size:11px}.article section{margin-bottom:40px}th,td{padding:10px;font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{.site-header,.toc,.filters,.action-row,.copy,.reading,.hero-visual,.filter-note{display:none}.layout,.hero{display:block;margin:24px auto}.wrap{max-width:none;padding:0}.vuln[hidden]{display:block!important}body{background:white;color:black}.vuln,.checks,.practice,.closing{break-inside:avoid;box-shadow:none;background:white;color:black}.closing p{color:black}section{break-inside:auto}a{color:black}.codebox{background:#eee;color:black}pre{white-space:pre-wrap}h1{font-size:34px}}