/* UGC NET Law PYQ – learn.masterscave.in/pyq */
:root{--brand:#1d3b6e;--accent:#f2a516;--ink:#1f2933;--muted:#5f6b7a;--line:#e3e8ef;--bg:#f6f8fb;--card:#fff;
  --ok:#157a3e;--ok-bg:#e8f6ee;--ok-line:#2fa463;--radius:14px;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --read:Georgia,"Iowan Old Style","Source Serif Pro","Noto Serif",serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6}
a{color:var(--brand)}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* header */
.top{background:var(--brand);color:#fff;position:relative;z-index:5}
.top-in{display:flex;align-items:center;justify-content:space-between;height:58px}
.logo{color:#fff;text-decoration:none;font-weight:800;font-size:20px;letter-spacing:.2px}
.top nav a{color:#fff;opacity:.92;text-decoration:none;margin-left:20px;font-size:15px;font-weight:600}
.top nav a:first-child{background:rgba(255,255,255,.14);border-radius:20px;padding:6px 14px}
.top nav a:hover{opacity:1;text-decoration:underline}

/* hero */
.hero{background:linear-gradient(180deg,#fff, var(--bg));border-bottom:1px solid var(--line);padding:44px 0 36px}
.hero-sm{padding:28px 0 24px}
.eyebrow{margin:0 0 8px;color:var(--brand);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.hero h1{margin:0 0 12px;font-size:clamp(26px,4.2vw,40px);line-height:1.2;letter-spacing:-.01em}
.h-unit{display:block;font-size:14px;font-weight:700;color:var(--brand);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
.lead{margin:0;color:var(--muted);font-size:17px;max-width:720px}
.crumbs{margin:0 0 12px;font-size:14px;color:var(--muted)}
.crumbs a{text-decoration:none}
.crumbs .back{display:inline-block;font-weight:700;background:#eef3fb;border-radius:20px;padding:6px 14px}
.to-units{margin:28px 0 0;text-align:center}
.to-units a{display:inline-block;margin:4px;font-weight:700;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 20px}
.stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.stats div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 18px;min-width:120px}
.stats b{display:block;font-size:22px;color:var(--brand)}
.stats span{font-size:13px;color:var(--muted)}

/* hub */
.units{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px;margin:24px 0 48px}
.unit-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s}
.unit-card:hover{box-shadow:0 8px 24px rgba(16,32,64,.08)}
.unit-link{display:block;padding:20px 22px 14px;text-decoration:none;color:inherit}
.unit-no{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
.unit-title{display:block;font-size:19px;font-weight:700;line-height:1.35;margin:6px 0}
.unit-sub{font-size:14px;color:var(--muted)}
.unit-card details{border-top:1px solid var(--line);padding:10px 22px}
.unit-card summary{cursor:pointer;font-size:14px;color:var(--brand);font-weight:600}
.topic-list{margin:10px 0 6px;padding-left:20px;font-size:14px;line-height:1.5}
.topic-list li{margin:6px 0}
.topic-list a{text-decoration:none;color:var(--ink)}
.topic-list a:hover{color:var(--brand);text-decoration:underline}
.units .ad{grid-column:1/-1}
.cnt{display:inline-block;font-size:12px;color:var(--muted);background:var(--bg);border-radius:20px;padding:0 8px;margin-left:4px}

.about{max-width:820px;margin:0 0 56px;color:var(--ink)}
.about h2{font-size:22px;margin:0 0 10px}
.about p{color:var(--muted);font-size:16px;line-height:1.75}
.topic-h a{color:inherit;text-decoration:none}
.topic-h a:hover{color:var(--brand);text-decoration:underline}
.topic-c a{font-size:13px}
.crumbs span{margin:0 6px}

/* unit layout */
.layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:36px;padding-top:24px;padding-bottom:56px}
.side-in{position:sticky;top:16px;max-height:calc(100vh - 32px);overflow:auto;padding-right:6px}
.side-h{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:4px 0 10px}
.side-topics{list-style:none;margin:0;padding:0}
.side-topics a{display:block;padding:9px 12px;border-radius:10px;text-decoration:none;color:var(--ink);font-size:14px;line-height:1.4}
.side-topics a:hover{background:#fff}
.side-topics a.on{background:#fff;color:var(--brand);font-weight:600;box-shadow:inset 3px 0 0 var(--brand)}
.main{max-width:800px;min-width:0}

/* filters */
.filters{position:sticky;top:0;z-index:4;background:rgba(246,248,251,.96);backdrop-filter:blur(6px);padding:12px 0 8px;margin-bottom:8px}
.f-row{display:flex;gap:10px}
.search{flex:1}
.search input{width:100%;height:46px;border:1px solid var(--line);border-radius:12px;padding:0 16px;font-size:16px;background:#fff;color:var(--ink);outline:none}
.search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,59,110,.12)}
.f-toggle{display:none;height:46px;padding:0 16px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:15px;font-weight:600;color:var(--brand)}
.f-panel{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:flex-end;margin-top:10px}
.f-panel label{display:flex;flex-direction:column;font-size:12px;font-weight:600;color:var(--muted);gap:4px}
.f-panel select{height:40px;border:1px solid var(--line);border-radius:10px;padding:0 10px;font-size:14px;background:#fff;color:var(--ink);max-width:250px}
.f-panel .switch{flex-direction:row;align-items:center;gap:8px;height:40px;font-size:14px;color:var(--ink);font-weight:500}
.switch input{width:18px;height:18px;accent-color:var(--brand)}
.f-clear,.none button{height:40px;border:0;background:none;color:var(--brand);font-weight:600;font-size:14px;cursor:pointer;padding:0 6px}
.f-status{font-size:13px;color:var(--muted);margin-top:8px;min-height:20px}
.f-status b{color:var(--ink)}

/* topic bar (phones) and topic-to-topic buttons */
.mtopic{display:none;margin-bottom:10px}
.mtopic select{width:100%;height:48px;border:1.5px solid var(--brand);border-radius:12px;padding:0 40px 0 14px;font-size:15.5px;font-weight:600;color:var(--brand);background:#fff url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%231d3b6e' stroke-width='2' fill='none'/%3E%3C/svg%3E") no-repeat right 14px center;-webkit-appearance:none;appearance:none;text-overflow:ellipsis}
.tnav{display:flex;justify-content:space-between;gap:12px;margin:6px 0 10px;font-size:15px}
.tnav a{text-decoration:none;font-weight:600;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;line-height:1.4}
.tnav .nx{margin-left:auto;text-align:right}

/* topics */
.topic{margin-top:28px;scroll-margin-top:150px}
.topic-h{font-size:clamp(20px,2.6vw,24px);line-height:1.35;margin:0 0 4px;letter-spacing:-.005em}
.topic-no{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);margin-bottom:4px}
.topic-c{margin:0 0 18px;color:var(--muted);font-size:14px}
.empty{color:var(--muted);font-style:italic}

/* question card */
.q{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px 22px;margin:0 0 18px}
.q-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.chip{font-size:12.5px;font-weight:600;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:2px 10px;line-height:1.6}
.chip-type{color:#6b4f00;background:#fff7e0;border-color:#f3e3b0}
.q-body{font-family:var(--read);font-size:17.5px;line-height:1.75;color:#1b2430}
.q-body p{margin:0 0 10px;overflow-wrap:anywhere}
.opts{list-style:none;margin:14px 0 12px;padding:0;display:grid;gap:8px}
.opt{display:flex;gap:10px;align-items:flex-start;padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:#fcfdfe}
.opt .k{font-family:var(--sans);font-weight:700;color:var(--muted);font-size:15px;line-height:1.75;min-width:28px}
.opt .ot{flex:1;overflow-wrap:anywhere}
.opt.ok{background:var(--ok-bg);border-color:var(--ok-line);color:#0f5130;font-weight:600}
.opt.ok .k{color:var(--ok)}
.tick{font-family:var(--sans);color:#fff;background:var(--ok-line);border-radius:50%;width:24px;height:24px;flex:none;display:inline-flex;align-items:center;justify-content:center;font-size:14px;margin-top:3px}
.ans{margin-top:16px;padding:14px 18px;border-left:4px solid var(--ok-line);background:#f4fbf7;border-radius:0 10px 10px 0;font-size:16.5px;line-height:1.75}
.ans-h{font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ok);margin-bottom:6px}
.ans p:last-child{margin-bottom:0}
.ans-key{font-family:var(--sans);color:var(--ok);font-weight:800;white-space:nowrap}
.reveal{display:none}
.passage{background:#fffdf5;border:1px dashed #e8d9a8;border-radius:var(--radius);padding:20px 24px;margin:0 0 18px;font-family:var(--read);font-size:17px;line-height:1.75}
.passage-h{font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#8a6d00;margin-bottom:8px}
.passage p{margin:0 0 10px}
.is-hidden{display:none!important}
.none{text-align:center;color:var(--muted);padding:40px 0}

/* self-test mode */
.hide-ans .opt.ok{background:#fcfdfe;border-color:var(--line);color:inherit;font-weight:inherit}
.hide-ans .opt.ok .k{color:var(--muted)}
.hide-ans .tick,.hide-ans .ans{display:none}
.hide-ans .reveal{display:inline-block;margin-top:8px;font-family:var(--sans);font-size:14px;font-weight:600;color:var(--brand);background:#eef3fb;border:0;border-radius:20px;padding:8px 16px;cursor:pointer}
.hide-ans .q.shown .opt.ok{background:var(--ok-bg);border-color:var(--ok-line);color:#0f5130;font-weight:600}
.hide-ans .q.shown .opt.ok .k{color:var(--ok)}
.hide-ans .q.shown .tick{display:inline-flex}
.hide-ans .q.shown .ans{display:block}
.hide-ans .q.shown .reveal{display:none}

/* ads */
.ad{position:relative;display:flex;align-items:center;gap:20px;justify-content:space-between;background:linear-gradient(120deg,var(--brand),#2c5aa0);color:#fff;border-radius:var(--radius);padding:22px 26px 26px;margin:6px 0 24px;overflow:hidden}
.ad::after{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.07)}
.ad-in{position:relative;z-index:1;min-width:0}
.ad-badge{display:inline-block;background:var(--accent);color:#1b1b1b;font-size:11.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;border-radius:20px;padding:2px 10px;margin-bottom:8px}
.ad-title{font-size:20px;font-weight:800;line-height:1.3}
.ad-text{margin:6px 0 0;opacity:.92;font-size:15px}
.ad-points{list-style:none;padding:0;margin:10px 0 0;display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px}
.ad-points li::before{content:"✓ ";color:var(--accent);font-weight:800}
.ad-cta{position:relative;z-index:1;flex:none;background:var(--accent);color:#1b1b1b;text-decoration:none;font-weight:800;padding:12px 20px;border-radius:12px;white-space:nowrap}
.ad-cta:hover{filter:brightness(1.05)}
.ad-tag{position:absolute;right:14px;bottom:6px;font-size:10.5px;opacity:.6;letter-spacing:.04em}
.sticky-ad{position:fixed;left:0;right:0;bottom:0;z-index:20;background:#0f2447;color:#fff;display:flex;align-items:center;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));box-shadow:0 -6px 20px rgba(0,0,0,.15);transform:translateY(110%);transition:transform .35s}
.sticky-ad.in{transform:none}
.sticky-ad .s-text{flex:1;font-size:14px;line-height:1.35;min-width:0}
.sticky-ad b{display:block;font-size:15px}
.sticky-ad a{background:var(--accent);color:#1b1b1b;font-weight:800;text-decoration:none;padding:9px 14px;border-radius:10px;font-size:14px;white-space:nowrap}
.sticky-ad .x{background:none;border:0;color:#fff;opacity:.7;font-size:22px;line-height:1;padding:4px 6px;cursor:pointer}
body.has-sticky .foot{padding-bottom:90px}

.ad-img{position:relative;z-index:1;flex:none;width:200px;align-self:stretch;display:block}
.ad-img img{width:100%;height:100%;max-height:150px;object-fit:cover;border-radius:10px;display:block;background:rgba(255,255,255,.1)}
.has-img .ad-in{flex:1}
.s-img{width:46px;height:46px;object-fit:cover;border-radius:8px;flex:none}

/* pager & footer */
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:36px;border-top:1px solid var(--line);padding-top:20px;font-size:15px}
.pager a{text-decoration:none;font-weight:600}
.pager .nx{text-align:right;margin-left:auto}
.foot{border-top:1px solid var(--line);background:#fff;color:var(--muted);font-size:14px;padding:22px 0}
.foot .small{font-size:12.5px}

/* protection */
.protect .main,.protect .units,.protect .hero{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.protect input,.protect select{-webkit-user-select:text;user-select:text}
.wm{position:fixed;inset:0;z-index:3;pointer-events:none;background-repeat:repeat}
#shield{position:fixed;inset:0;z-index:100;background:#fff;display:none;align-items:center;justify-content:center;text-align:center;font:700 22px var(--sans);color:var(--brand)}
#shield small{font-weight:500;font-size:14px;color:var(--muted)}
body.shielded #shield{display:flex}
body.shielded main{filter:blur(14px)}
@media print{body *{display:none!important}body::after{content:"Printing is disabled for this page. Visit learn.masterscave.in/pyq";display:block!important;font:18px sans-serif;padding:40px}}

/* mobile */
@media (max-width:900px){
  .layout{grid-template-columns:1fr;gap:0;padding-top:8px}
  .side{display:none}
  .f-toggle{display:block}
  .mtopic{display:block}
  .f-panel label:first-child{display:none}
  .f-panel{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}
  .f-panel.open{display:flex}
  .f-panel label{width:100%}
  .f-panel select{max-width:none;width:100%;height:44px;font-size:15px}
}
@media (max-width:600px){
  .wrap{padding:0 14px}
  .hero{padding:28px 0 22px}
  .lead{font-size:16px}
  .q{padding:18px 16px;border-radius:12px;margin-bottom:14px}
  .q-body{font-size:17px;line-height:1.7}
  .opt{padding:10px 12px}
  .ans{padding:12px 14px;font-size:16px}
  .ad{flex-direction:column;align-items:flex-start;padding:20px 18px 28px}
  .ad-cta{width:100%;text-align:center}
  .ad-img{width:100%}
  .ad-img img{max-height:none;aspect-ratio:16/9;height:auto}
  .units{grid-template-columns:1fr}
  .stats div{min-width:0;flex:1 1 40%}
  .pager{flex-direction:column}
  .tnav{flex-direction:column-reverse}
  .tnav a{width:100%}
  .sticky-ad .s-text span{display:none}
  .sticky-ad b{font-size:14.5px}
  .topic{scroll-margin-top:180px}
}