/* psclogin.com — design system */
:root{
  --ink:#13262b;--muted:#56666a;--primary:#0d6b62;--primary-dark:#094f48;--accent:#e29a2b;
  --paper:#f6f5f0;--surface:#fff;--line:#dfe3df;--info:#e7f2f0;--warn:#fff4e0;--warn-line:#e9c27a;
  --radius:14px;--radius-sm:10px;--shadow:0 1px 2px rgba(19,38,43,.06),0 6px 20px rgba(19,38,43,.06);
  --wrap:1120px;--read:740px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Malayalam","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--font)}
img,svg{max-width:100%;height:auto}
a{color:var(--primary);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--primary-dark);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em;margin:0 0 .6em}
h1{font-size:clamp(1.9rem,1.3rem + 2.6vw,2.85rem);font-weight:800}
h2{font-size:clamp(1.4rem,1.15rem + 1vw,1.85rem);font-weight:750;margin-top:2.2em}
h3{font-size:1.18rem;font-weight:700;margin-top:1.6em}
p,ul,ol,table{margin:0 0 1.1em}
li{margin-bottom:.35em}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:1rem;top:1rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.read{max-width:var(--read)}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Header */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:1rem}
.brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.2rem;letter-spacing:-.02em}
.brand:hover{color:var(--ink)}
.brand svg{width:34px;height:34px;flex:none}
.brand .tld{color:var(--muted);font-weight:600}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:.45rem .6rem;color:var(--ink);cursor:pointer;font:inherit;font-size:.95rem;align-items:center;gap:.4rem}
.site-nav ul{list-style:none;display:flex;gap:.25rem;margin:0;padding:0}
.site-nav a{display:block;padding:.5rem .7rem;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem}
.site-nav a:hover{background:var(--info);color:var(--primary-dark)}
.site-nav a[aria-current="page"]{color:var(--primary);background:var(--info)}
@media (max-width:920px){
  .nav-toggle{display:inline-flex}
  .js .site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .js .site-nav.open{display:block}
  .site-nav ul{flex-direction:column;padding:.5rem 16px 1rem}
  .site-nav a{padding:.8rem .6rem;border-bottom:1px solid var(--line);border-radius:0}
  html:not(.js) .site-nav ul{flex-wrap:wrap;flex-direction:row}
}

/* Notice bar */
.notice{background:var(--ink);color:#e9efee;font-size:.85rem;padding:.45rem 0}
.notice a{color:#fff}

/* Hero */
.hero{background:linear-gradient(180deg,var(--surface) 0%,var(--paper) 100%);border-bottom:1px solid var(--line);padding:2.5rem 0 2.25rem}
.hero .eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--primary);background:var(--info);padding:.25rem .6rem;border-radius:999px;margin-bottom:1rem}
.hero .lede{font-size:1.15rem;color:#2c3e42;max-width:680px}
.hero-grid{display:grid;grid-template-columns:1.25fr .9fr;gap:2rem;align-items:start}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}}
.portal-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem}
.portal-card h2{font-size:1.05rem;margin:0 0 .75rem}
.portal-card .row{display:flex;flex-direction:column;gap:.6rem}
.portal-card small{color:var(--muted);display:block;margin-top:.6rem;font-size:.85rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.2rem;border-radius:12px;font-weight:700;text-decoration:none;border:2px solid transparent;font-size:1rem;line-height:1.2;cursor:pointer;font-family:inherit}
.btn svg{width:18px;height:18px;flex:none}
.btn-official{background:var(--primary);color:#fff}
.btn-official:hover{background:var(--primary-dark);color:#fff}
.btn-ghost{background:var(--surface);color:var(--primary-dark);border-color:var(--primary)}
.btn-ghost:hover{background:var(--info);color:var(--primary-dark)}
.btn-block{width:100%}
.btn .url{display:block;font-weight:500;font-size:.8rem;opacity:.9}
.btn-stack{display:flex;flex-direction:column;align-items:flex-start;text-align:left}
.copy-btn{background:none;border:1px dashed var(--line);border-radius:8px;padding:.35rem .6rem;font:inherit;font-size:.85rem;color:var(--muted);cursor:pointer}
.copy-btn:hover{border-color:var(--primary);color:var(--primary)}

/* External-link marker */
a.ext::after{content:"";display:inline-block;width:.8em;height:.8em;margin-left:.25em;vertical-align:-.05em;background:currentColor;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 17 17 7M8 7h9v9'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 17 17 7M8 7h9v9'/%3E%3C/svg%3E") center/contain no-repeat}
.badge-official{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--primary-dark);background:var(--info);border:1px solid #bcd9d4;padding:.05rem .45rem;border-radius:6px;vertical-align:.1em;margin-left:.3rem}

/* Layout */
main{display:block}
.section{padding:1rem 0 2rem}
.page-head{padding:1.6rem 0 1.4rem;background:var(--surface);border-bottom:1px solid var(--line)}
.page-head .lede{font-size:1.1rem;color:#2c3e42;max-width:var(--read);margin-bottom:0}
.meta-line{font-size:.85rem;color:var(--muted);margin-top:.9rem}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.35rem;padding:0;margin:0 0 .9rem;font-size:.88rem;color:var(--muted)}
.breadcrumb li{margin:0}
.breadcrumb li+li::before{content:"/";margin-right:.35rem;color:#9aa6a8}
.content{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:2.5rem;padding-top:1.5rem}
@media (max-width:960px){.content{grid-template-columns:minmax(0,1fr)}}
.aside{position:sticky;top:84px;align-self:start;display:flex;flex-direction:column;gap:1rem}
@media (max-width:960px){.aside{position:static}}
.aside .box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.1rem}
.aside h2{font-size:1rem;margin:0 0 .6rem}
.aside ul{list-style:none;padding:0;margin:0;font-size:.95rem}
.aside li{padding:.25rem 0;border-bottom:1px solid var(--line)}
.aside li:last-child{border:0}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1rem;margin:1.25rem 0 1.5rem}
.card{display:flex;flex-direction:column;gap:.35rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem;text-decoration:none;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:var(--primary);box-shadow:var(--shadow);color:var(--ink)}
.card .ico{width:38px;height:38px;border-radius:10px;background:var(--info);display:grid;place-items:center;color:var(--primary)}
.card .ico svg{width:20px;height:20px}
.card strong{font-size:1.05rem}
.card span{color:var(--muted);font-size:.93rem}
.card .go{margin-top:auto;color:var(--primary);font-weight:700;font-size:.9rem}

/* Steps */
.steps{counter-reset:s;list-style:none;padding:0}
.steps>li{counter-increment:s;position:relative;padding:.1rem 0 .9rem 3rem;margin:0}
.steps>li::before{content:counter(s);position:absolute;left:0;top:0;width:2rem;height:2rem;border-radius:50%;background:var(--primary);color:#fff;font-weight:800;display:grid;place-items:center;font-size:.95rem}
.steps>li::after{content:"";position:absolute;left:calc(1rem - 1px);top:2.2rem;bottom:.2rem;width:2px;background:var(--line)}
.steps>li:last-child::after{display:none}

/* Callouts */
.callout{border-radius:var(--radius-sm);padding:1rem 1.1rem;margin:1.25rem 0;border:1px solid #bcd9d4;background:var(--info)}
.callout.warn{background:var(--warn);border-color:var(--warn-line)}
.callout p:last-child,.callout ul:last-child{margin-bottom:0}
.callout strong:first-child{display:block;margin-bottom:.25rem}

/* Tables */
.table-wrap{overflow-x:auto;margin:0 0 1.25rem;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.96rem;margin:0}
th,td{text-align:left;padding:.7rem .85rem;overflow-wrap:anywhere;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#eef3f1;font-weight:700}
tr:last-child td{border-bottom:0}

/* FAQ */
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:.6rem}
.faq summary{cursor:pointer;padding:.9rem 2.6rem .9rem 1rem;font-weight:700;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:1rem;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--primary);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details>div{padding:0 1rem 1rem}
.faq details>div p:last-child{margin-bottom:0}

/* Sources */
.sources{font-size:.93rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1rem 1.1rem 1rem 2.2rem}
.sources li{margin-bottom:.4rem}

/* Compare grid */
.compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin:1rem 0 1.5rem}
.compare>div{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.1rem}
.compare h3{margin-top:0;font-size:1.05rem}
.compare code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:#eef3f1;padding:.05rem .35rem;border-radius:5px;word-break:break-all}

/* Footer */
.site-footer{margin-top:3rem;background:var(--ink);color:#c9d4d3;font-size:.94rem}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;padding:2.5rem 0 1.5rem}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}}
.site-footer h2{color:#fff;font-size:1rem;margin:0 0 .7rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.4rem}
.site-footer .brand{color:#fff}
.site-footer .brand .tld{color:#9fb3b1}
.footer-legal{border-top:1px solid #2b4247;padding:1rem 0 1.5rem;font-size:.85rem;color:#9fb3b1}
.independent{background:#1c3439;border-radius:var(--radius-sm);padding:.9rem 1rem;margin-top:1rem;font-size:.9rem}

/* 404 */
.center{text-align:center;padding:4rem 0}
@media print{.site-header,.site-footer,.notice,.aside,.nav-toggle{display:none}body{background:#fff}}

/* Diagrams */
.diagram{margin:1.5rem 0 1.75rem;text-align:center}
.diagram img{display:block;width:100%;max-width:560px;height:auto;margin:0 auto;border-radius:18px;border:1px solid var(--line)}
.diagram figcaption{font-size:.88rem;color:var(--muted);margin-top:.6rem;max-width:560px;margin-left:auto;margin-right:auto}