/*
Theme Name: KET klausimai
Theme URI: https://ketklausimai.lt/
Author: MB „Enter prekyba“
Description: Nemokamų KET testų ir teorijos klausimų tema su egzamino simuliacija, temų treniruotėmis, kelio ženklų žodynu ir AdSense vietomis.
Version: 1.3.0
Requires at least: 6.0
Requires PHP: 7.4
License: GPLv2 or later
Text Domain: ketklausimai
*/

:root {
	--blue: #0b3d91;
	--blue-2: #1557c0;
	--blue-soft: #e8effb;
	--yellow: #f5c400;
	--red: #c8102e;
	--green: #1e8e4a;
	--green-soft: #e3f4ea;
	--red-soft: #fbe7ea;
	--ink: #14213d;
	--muted: #5d6b82;
	--line: #dde3ee;
	--bg: #f4f6fa;
	--card: #ffffff;
	--radius: 14px;
	--shadow: 0 1px 2px rgba(20,33,61,.06), 0 6px 20px rgba(20,33,61,.06);
	--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 17px/1.6 var(--font); color: var(--ink); background: var(--bg); }
img, svg { max-width: 100%; height: auto; }
a { color: var(--blue-2); }
a:hover { color: var(--blue); }
h1, h2, h3 { line-height: 1.25; margin: 1.4em 0 .5em; }
h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.3rem, 2.6vw, 1.6rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
button { font: inherit; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.center { text-align: center; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; z-index: 99; background: #fff; padding: 8px 12px; }
.eyebrow { text-transform: uppercase; letter-spacing: .06em; font-size: .78rem; font-weight: 700; color: var(--blue-2); margin: 0 0 .4em; }
.lead { font-size: 1.12rem; color: #2c3a55; }

/* Mygtukai */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 11px 20px; border-radius: 10px; border: 2px solid var(--blue); background: var(--blue); color: #fff; font-weight: 700; text-decoration: none; cursor: pointer; line-height: 1.2; transition: background .15s, transform .1s; }
.btn:hover { background: var(--blue-2); border-color: var(--blue-2); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: default; }
.btn-ghost { background: transparent; color: var(--blue); }
.btn-ghost:hover { background: var(--blue-soft); color: var(--blue); }
.btn-lg { padding: 14px 24px; font-size: 1.05rem; }
.btn-sm { padding: 7px 14px; font-size: .92rem; }
.btn-finish { background: var(--green); border-color: var(--green); }
.btn-finish:hover { background: #18773d; border-color: #18773d; }
.link { background: none; border: 0; padding: 0; color: var(--blue-2); text-decoration: underline; cursor: pointer; font-weight: 600; }

/* Antraštė */
.site-header { background: var(--blue); color: #fff; position: sticky; top: 0; z-index: 50; box-shadow: 0 2px 10px rgba(0,0,0,.12); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 800; font-size: 1.15rem; }
.brand:hover { color: #fff; }
.brand img { max-height: 44px; width: auto; }
.primary-nav ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
.primary-nav a { color: #fff; text-decoration: none; padding: 8px 12px; border-radius: 8px; font-weight: 600; font-size: .96rem; display: block; }
.primary-nav a:hover, .primary-nav .current-menu-item a { background: rgba(255,255,255,.14); }
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; position: relative; cursor: pointer; }
.nav-toggle span:first-child, .nav-toggle span:first-child::before, .nav-toggle span:first-child::after { position: absolute; left: 11px; width: 22px; height: 2px; background: #fff; content: ""; transition: .2s; }
.nav-toggle span:first-child { top: 21px; }
.nav-toggle span:first-child::before { top: -7px; left: 0; }
.nav-toggle span:first-child::after { top: 7px; left: 0; }
@media (max-width: 860px) {
	.nav-toggle { display: block; }
	.primary-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--blue); padding: 8px 16px 16px; }
	.nav-open .primary-nav { display: block; }
	.primary-nav ul { flex-direction: column; }
}

/* Hero */
.hero { background: linear-gradient(160deg, var(--blue) 0%, #12306a 100%); color: #fff; padding: 48px 0 56px; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 8px; background: repeating-linear-gradient(90deg, var(--yellow) 0 40px, transparent 40px 70px); opacity: .9; }
.hero-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.hero h1 { margin-top: 0; color: #fff; }
.hero .lead { color: #d9e4fb; }
.hero .eyebrow { color: var(--yellow); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.hero .btn { background: var(--yellow); border-color: var(--yellow); color: #1b1b1b; }
.hero .btn:hover { background: #ffd526; }
.hero .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.hero .btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; }
.hero-note { margin-top: 16px; color: #d9e4fb; }
.hero-note a { color: var(--yellow); }
.hero-art img { border-radius: 20px; box-shadow: 0 20px 50px rgba(0,0,0,.35); transform: rotate(2deg); display: block; margin-left: auto; }
@media (max-width: 860px) { .hero-inner { grid-template-columns: 1fr; } .hero-art { display: none; } .hero { padding: 32px 0 40px; } }

/* Sekcijos */
.section { padding: 32px 16px; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.section-head h2 { margin: 0 0 16px; }
.modes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: -8px; }
.mode { background: var(--card); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); text-decoration: none; color: var(--ink); border: 2px solid transparent; transition: border-color .15s, transform .15s; }
.mode:hover { border-color: var(--blue-2); transform: translateY(-2px); color: var(--ink); }
.mode h2 { font-size: 1.08rem; margin: 8px 0 6px; }
.mode p { margin: 0; color: var(--muted); font-size: .94rem; }
.mode-ico { font-size: 1.6rem; }
@media (max-width: 960px) { .modes { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .modes { grid-template-columns: 1fr; } }

/* Temų kortelės */
.topic-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; margin: 16px 0 24px; }
.topic-card { background: var(--card); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.topic-card h3 { margin: 0 0 4px; font-size: 1.02rem; }
.topic-card .muted { margin: 0 0 10px; font-size: .9rem; }
.topic-actions { display: flex; align-items: center; gap: 12px; margin-top: auto; padding-top: 12px; flex-wrap: wrap; font-size: .9rem; }
.topic-bar { display: block; height: 6px; background: var(--blue-soft); border-radius: 6px; overflow: hidden; }
.topic-bar span { display: block; height: 100%; background: var(--green); border-radius: 6px; transition: width .4s; }

/* Puslapiai */
.page-wrap { padding-top: 20px; padding-bottom: 48px; }
.entry { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: clamp(20px, 4vw, 40px); }
.entry-title { margin-top: 0; }
.prose { max-width: 820px; }
.entry .prose { max-width: none; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .35em; }
.crumbs { font-size: .88rem; color: var(--muted); margin-bottom: 12px; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--muted); }
.entry-thumb { border-radius: 12px; margin-bottom: 16px; }

.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: var(--blue-soft); border-left: 5px solid var(--blue); padding: 16px 20px; border-radius: 12px; margin: 24px 0; flex-wrap: wrap; }
.cta-box > div { flex: 1 1 260px; }

.chip-list { list-style: none; padding: 0 !important; margin: 8px 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 13px; border-radius: 999px; background: #fff; border: 1px solid var(--line); text-decoration: none; color: var(--ink); font-size: .92rem; font-weight: 600; }
.chip:hover { border-color: var(--blue-2); color: var(--blue); }
.chip span { background: var(--blue-soft); color: var(--blue); border-radius: 999px; padding: 0 7px; font-size: .8rem; }
.link-list { columns: 2 260px; padding-left: 1.2em; }

/* Klausimų sąrašai (SEO puslapiai) */
.q-list { list-style: none; padding: 0 !important; margin: 24px 0; counter-reset: q; }
.q-item { border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin-bottom: 14px; background: #fff; }
.q-head { display: flex; gap: 8px; }
.q-num { font-weight: 800; color: var(--blue); }
.q-text { font-size: 1.04rem; margin: 0 0 10px; font-weight: 700; }
.q-img { margin: 4px 0 12px; }
.q-img img { width: 200px; border-radius: 8px; }
.q-answers { list-style: none; padding: 0 !important; margin: 0 0 10px; }
.q-answers li { padding: 7px 12px; border-radius: 8px; margin-bottom: 4px; background: #f6f8fb; }
.q-answers li.ok { background: var(--green-soft); font-weight: 700; color: #135e31; }
.tick { color: var(--green); }
.q-expl { margin: 0; font-size: .95rem; color: #34425c; }
.q-ad { list-style: none; }

/* Ženklai */
.sign-group { margin-bottom: 28px; }
.sign-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.sign-grid.sm { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
.sign-card { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px; padding: 14px 10px; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; color: var(--ink); background: #fff; font-size: .9rem; font-weight: 600; line-height: 1.3; }
.sign-card:hover { border-color: var(--blue-2); box-shadow: var(--shadow); color: var(--ink); }
.sign-card img { width: 96px; height: 96px; }
.sign-grid.sm .sign-card img { width: 72px; height: 72px; }
.sign-hero { display: grid; grid-template-columns: 220px 1fr; gap: 28px; align-items: center; margin-bottom: 16px; }
.sign-hero img { background: #f6f8fb; border-radius: 16px; padding: 14px; }
@media (max-width: 640px) { .sign-hero { grid-template-columns: 1fr; } .sign-hero img { width: 180px; } }
.related { margin-top: 32px; }

/* Įrašai */
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin: 16px 0; }
.post-card { background: var(--card); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); text-decoration: none; color: var(--ink); border: 1px solid var(--line); }
.post-card:hover { border-color: var(--blue-2); color: var(--ink); }
.post-card h2, .post-card h3 { font-size: 1.08rem; margin: 0 0 8px; color: var(--blue); }
.post-card p { margin: 0; color: var(--muted); font-size: .94rem; }
.pager { margin-top: 24px; }
.pager .nav-links { display: flex; gap: 6px; }
.pager .page-numbers { padding: 6px 12px; border-radius: 8px; background: #fff; text-decoration: none; }
.pager .current { background: var(--blue); color: #fff; }

/* DUK */
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 0 18px; margin-bottom: 10px; }
.faq summary { cursor: pointer; padding: 14px 0; font-weight: 700; list-style: none; position: relative; padding-right: 28px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 10px; font-size: 1.4rem; color: var(--blue); }
.faq details[open] summary::after { content: "–"; }

/* Reklama */
.ad { margin: 24px auto; text-align: center; max-width: 1120px; padding: 0 16px; min-height: 100px; }
.ad-label { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: #9aa5b8; margin-bottom: 4px; }
.q-ad .ad { padding: 0; }

/* ===== Testo programėlė ===== */
.quiz-app { max-width: 820px; margin: 0 auto; }
.quiz-loading { padding: 40px; text-align: center; color: var(--muted); }
.qcard { background: var(--card); border-radius: 18px; box-shadow: var(--shadow); padding: clamp(18px, 3.5vw, 32px); border: 1px solid var(--line); }
.entry .qcard { box-shadow: none; }
.qbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: .92rem; }
.qcount { font-weight: 600; }
.qtopic { color: var(--muted); flex: 1; text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.qtimer { font-variant-numeric: tabular-nums; font-weight: 800; background: var(--blue-soft); color: var(--blue); padding: 3px 10px; border-radius: 8px; }
.qtimer.low { background: var(--red-soft); color: var(--red); }
.progress { height: 6px; background: var(--blue-soft); border-radius: 6px; margin: 12px 0 18px; overflow: hidden; }
.progress span { display: block; height: 100%; background: var(--blue-2); transition: width .3s; }
.qimg { margin: 0 0 14px; text-align: center; }
.qimg img { width: 100%; max-width: 360px; border-radius: 12px; }
.qimg.sign img { max-width: 180px; background: #f6f8fb; padding: 12px; }
.qtext { font-size: clamp(1.1rem, 2.4vw, 1.3rem); margin: 0 0 16px; }
.answers { display: grid; gap: 10px; }
.ans { display: flex; align-items: flex-start; gap: 12px; text-align: left; width: 100%; padding: 13px 14px; border: 2px solid var(--line); border-radius: 12px; background: #fff; cursor: pointer; color: var(--ink); line-height: 1.4; transition: border-color .12s, background .12s; }
.ans:hover:not(:disabled) { border-color: var(--blue-2); background: #f7faff; }
.ans .key { flex: 0 0 28px; height: 28px; border-radius: 8px; background: var(--blue-soft); color: var(--blue); font-weight: 800; display: flex; align-items: center; justify-content: center; font-size: .9rem; }
.ans.sel { border-color: var(--blue-2); background: #eef4ff; }
.ans.sel .key { background: var(--blue-2); color: #fff; }
.ans.ok { border-color: var(--green); background: var(--green-soft); }
.ans.ok .key { background: var(--green); color: #fff; }
.ans.bad { border-color: var(--red); background: var(--red-soft); }
.ans.bad .key { background: var(--red); color: #fff; }
.ans:disabled { cursor: default; }
.feedback { margin-top: 14px; padding: 13px 16px; border-radius: 12px; font-size: .97rem; }
.feedback.ok { background: var(--green-soft); color: #135e31; }
.feedback.bad { background: var(--red-soft); color: #7c1022; }
.qnav { display: flex; justify-content: space-between; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.qnav .btn:only-child { margin-left: auto; }
.qgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(38px, 1fr)); gap: 6px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.qgrid button { height: 38px; border-radius: 8px; border: 1px solid var(--line); background: #fff; cursor: pointer; font-weight: 600; font-size: .88rem; color: var(--muted); }
.qgrid button.done { background: var(--blue-soft); color: var(--blue); border-color: #c9d8f3; }
.qgrid button.cur { outline: 2px solid var(--blue-2); outline-offset: 1px; color: var(--ink); }
.qgrid-note { font-size: .88rem; margin: 10px 0 0; }

.menu-card h2 { margin-top: 0; }
.menu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 8px; }
.menu-btn { display: flex; flex-direction: column; padding: 16px; border: 2px solid var(--line); border-radius: 14px; text-decoration: none; color: var(--ink); }
.menu-btn:hover { border-color: var(--blue-2); background: #f7faff; color: var(--ink); }
.menu-btn strong { font-size: 1.05rem; }
.menu-btn span { color: var(--muted); font-size: .9rem; }
@media (max-width: 520px) { .menu-grid { grid-template-columns: 1fr; } }

.intro { text-align: center; }
.intro h2 { margin-top: 0; }
.facts { list-style: none; padding: 0; display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin: 16px 0; }
.facts li { background: var(--blue-soft); padding: 8px 14px; border-radius: 10px; }

.score { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.score h2 { margin: 0 0 6px; }
.score p { margin: 0; }
.ring { --c: var(--blue-2); width: 110px; height: 110px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--c) calc(var(--p) * 1%), var(--blue-soft) 0); flex: 0 0 110px; }
.ring span { width: 84px; height: 84px; border-radius: 50%; background: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1.4rem; }
.score.ok .ring { --c: var(--green); } .score.ok h2 { color: var(--green); }
.score.bad .ring { --c: var(--red); } .score.bad h2 { color: var(--red); }
.score.mid .ring { --c: #e0a100; }
.result-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 8px; }
.review-head { display: flex; justify-content: space-between; align-items: baseline; border-top: 1px solid var(--line); margin-top: 18px; padding-top: 8px; }
.review { padding-left: 1.3em; }
.review li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.review li img { width: 140px; border-radius: 8px; display: block; margin-bottom: 8px; }
.review .rq { font-weight: 700; margin: 0 0 4px; }
.review .ry { color: var(--red); margin: 0 0 2px; }
.review .rc { color: var(--green); font-weight: 600; margin: 0 0 4px; }
.review .re { color: var(--muted); font-size: .94rem; margin: 0; }
.review li.ok .rq::before { content: "✓ "; color: var(--green); }
.review li.bad .rq::before { content: "✗ "; color: var(--red); }

.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 18px; }
.stat-row div { background: var(--blue-soft); border-radius: 12px; padding: 14px; text-align: center; }
.stat-row b { display: block; font-size: 1.6rem; color: var(--blue); }
.stat-row span { font-size: .85rem; color: var(--muted); }
@media (max-width: 640px) { .stat-row { grid-template-columns: 1fr 1fr; } }
.tprog { display: grid; gap: 8px; }
.tprog a { display: grid; grid-template-columns: minmax(0, 1fr) 120px 44px; gap: 10px; align-items: center; text-decoration: none; color: var(--ink); font-size: .94rem; }
.tprog b { text-align: right; }
.hist { width: 100%; border-collapse: collapse; font-size: .92rem; }
.hist th, .hist td { padding: 8px 6px; border-bottom: 1px solid var(--line); text-align: left; }
.hist td.ok { color: var(--green); font-weight: 700; }
.hist td.bad { color: var(--red); font-weight: 700; }

/* Poraštė */
.site-footer { background: #0e1a33; color: #c6cfe0; margin-top: 40px; padding: 40px 0 16px; font-size: .94rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 6px; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; color: #fff; }
.footer-brand { font-weight: 800; color: #fff; font-size: 1.1rem; }
.footer-h { font-weight: 700; color: #fff; }
.site-footer .muted { color: #95a2bb; }
.copy { border-top: 1px solid rgba(255,255,255,.1); margin-top: 24px; padding-top: 14px; font-size: .85rem; color: #95a2bb; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

.widget { background: var(--card); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.notice { background: var(--red-soft); padding: 12px; border-radius: 8px; }
.section.prose { max-width: 1120px; }
.section.prose > p, .section.prose > .faq { max-width: 820px; }

/* Sąvokų žodynas */
.glossary { margin: 20px 0; }
.glossary dt { font-weight: 800; color: var(--blue); margin-top: 16px; font-size: 1.05rem; }
.glossary dd { margin: 4px 0 0; padding-bottom: 14px; border-bottom: 1px solid var(--line); }