/*
Theme Name: Archiwum WPwN
Theme URI: https://wielkiepytania.wsiz.pl/
Description: Lekki motyw archiwum wykładów „Wielkie Pytania w Nauce". Filtrowanie i wyszukiwanie, bez wtyczek i zewnętrznych zasobów. Inspirowany stroną bazową projektu.
Author: Migracja Joomla → WordPress
Version: 1.0
Requires at least: 6.0
Tested up to: 7.0
Requires PHP: 8.0
Text Domain: wpwn-archiwum
*/

:root{
    --brand1:#00c6fb; --brand2:#005bea;
    --ink:#1a1d29; --muted:#606579; --line:#e7e9f0; --bg:#f6f8fc; --card:#ffffff;
    --wpwn1:#00c6fb; --wpwn2:#005bea;
    --ppn1:#b4ec51;  --ppn2:#429321;
    --wls1:#f65a5a;  --wls2:#bb171e;
    --radius:16px; --shadow:0 6px 24px rgba(20,30,80,.08); --shadow-lg:0 18px 50px rgba(20,30,80,.16);
    --maxw:1180px;
    --font:'Roboto',system-ui,-apple-system,'Segoe UI',Helvetica,Arial,sans-serif;
    --font-cond:'Roboto Condensed','Roboto',system-ui,Arial,sans-serif;
    --font-slab:'Roboto Slab','Roboto',Georgia,serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
.hero h1,.lec-hero h1{font-family:var(--font-slab);font-weight:800}
.cykl-name,.chip,.badge,.result-count,.filters select,.card h3,.card .more,.btn-back,.subheader__back,
.lec-body h2,.lec-body h3,.hero .stats .lbl,.wpwn-card figcaption strong,.lec-meta .tag{font-family:var(--font-cond)}
.card h3{letter-spacing:.2px}
a{color:var(--brand2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Hero (neutralny – archiwum 3 cykli) ---------- */
.hero{position:relative;color:#fff;background:linear-gradient(125deg,#20263f 0%,#141830 55%,#0e1122 100%);overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:
    radial-gradient(900px 420px at 88% -25%,rgba(0,198,251,.20),transparent 60%),
    radial-gradient(800px 420px at 8% 120%,rgba(180,236,81,.14),transparent 60%)}
.hero .wrap{position:relative;z-index:1;padding:40px 24px 70px}
.hero .logo{display:inline-block;margin-bottom:26px}
.hero .logo img{height:56px;width:auto;opacity:.98}
.hero p{max-width:720px}

/* pasek trzech cykli */
.cykle-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.cykl-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;cursor:pointer;color:#fff;
    border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:28px 22px;font-family:inherit;
    transition:transform .18s,border-color .18s,filter .18s;position:relative;overflow:hidden}
.cykl-tile.wpwn{background:linear-gradient(150deg,rgba(0,198,251,.30),rgba(0,91,234,.12))}
.cykl-tile.ppn{background:linear-gradient(150deg,rgba(180,236,81,.28),rgba(66,147,33,.14))}
.cykl-tile.wls{background:linear-gradient(150deg,rgba(246,90,90,.30),rgba(187,23,30,.14))}
.cykl-tile:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.45);filter:brightness(1.08)}
.cykl-logo{flex:0 0 auto;height:66px;display:flex;align-items:center;justify-content:center}
.cykl-logo img{height:66px;width:auto;max-width:100%;object-fit:contain;filter:brightness(0) invert(1);opacity:.98}
.cykl-txt{display:flex;flex-direction:column;gap:4px}
.cykl-name{font-weight:700;font-size:17px;line-height:1.15}
.cykl-count{font-size:13px;opacity:.85;font-weight:600}
@media(max-width:760px){.cykle-strip{grid-template-columns:1fr;gap:12px}
    .cykl-tile{flex-direction:row;justify-content:flex-start;gap:18px;text-align:left;padding:18px 20px}
    .cykl-logo,.cykl-logo img{height:52px}}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.1;margin:0 0 14px;font-weight:900;letter-spacing:-.5px}
.hero p{font-size:clamp(16px,2vw,20px);max-width:640px;margin:0;opacity:.95}
.hero .stats{display:flex;gap:0;margin-top:44px;flex-wrap:wrap;align-items:stretch;justify-content:center;text-align:center}
.hero .stats > div{padding:6px 48px}
.hero .stats > div + div{border-left:1px solid rgba(255,255,255,.18)}
.hero .stats .num{font-size:46px;font-weight:800;line-height:1;font-family:var(--font-slab);background:linear-gradient(180deg,#fff,rgba(255,255,255,.78));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .stats .lbl{font-size:12px;text-transform:uppercase;letter-spacing:1.6px;opacity:.82;margin-top:10px;font-weight:600}
@media(max-width:600px){.hero .stats > div{padding:6px 22px}.hero .stats .num{font-size:36px}}

/* ---------- Controls (search + filters) ---------- */
.controls{position:relative;z-index:5;margin-top:-40px}
.controls .panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:20px}
.search{position:relative}
.search input{width:100%;border:2px solid var(--line);border-radius:12px;padding:15px 16px 15px 50px;font-size:17px;font-family:inherit;outline:none;transition:border-color .15s}
.search input:focus{border-color:var(--brand1)}
.search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:22px;height:22px;color:var(--muted)}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;align-items:center}
.chip{border:0;background:#fff;color:var(--ink);border-radius:999px;padding:10px 17px;font-size:14px;font-weight:700;cursor:pointer;transition:.15s;font-family:inherit;display:inline-flex;align-items:center;gap:8px;box-shadow:inset 0 0 0 1.5px var(--line)}
.chip:hover{box-shadow:inset 0 0 0 1.5px var(--muted)}
.chip .dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto}
.chip-count{opacity:.65;font-weight:600}
.chip[aria-pressed="true"] .chip-count{opacity:.85}
.chip[aria-pressed="true"]{color:#fff;box-shadow:none}
.chip.all[aria-pressed="true"]{background:linear-gradient(120deg,var(--brand1),var(--brand2))}
.chip.wpwn[aria-pressed="true"]{background:linear-gradient(120deg,var(--wpwn1),var(--wpwn2))}
.chip.ppn[aria-pressed="true"]{background:linear-gradient(120deg,var(--ppn1),var(--ppn2))}
.chip.wls[aria-pressed="true"]{background:linear-gradient(120deg,var(--wls1),var(--wls2))}
.filters .spacer{flex:1}
.filters select{border:1.5px solid var(--line);border-radius:999px;padding:9px 16px;font-size:14px;font-weight:700;font-family:inherit;background:#fff;cursor:pointer;color:var(--ink)}
.result-count{color:var(--muted);font-size:14px;font-weight:600;padding:0 4px}

/* ---------- Card grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;padding:34px 0 70px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.card a.cover{display:block;position:relative;aspect-ratio:16/10;background:#dfe4ef;overflow:hidden}
.card a.cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.card:hover a.cover img{transform:scale(1.05)}
.card .cover.ph{display:flex;align-items:center;justify-content:center}
.card .cover.ph img{width:60%;height:auto;object-fit:contain;opacity:.9;filter:drop-shadow(0 4px 10px rgba(0,0,0,.15))}
.badge{position:absolute;top:12px;left:12px;z-index:3;color:#fff;font-size:11.5px;font-weight:700;padding:6px 12px;border-radius:999px;letter-spacing:.2px;box-shadow:0 3px 10px rgba(0,0,0,.25);font-family:var(--font-cond);max-width:calc(100% - 24px);line-height:1.2}
.badge.wpwn{background:linear-gradient(120deg,var(--wpwn1),var(--wpwn2))}
.badge.ppn{background:linear-gradient(120deg,var(--ppn1),var(--ppn2))}
.badge.wls{background:linear-gradient(120deg,var(--wls1),var(--wls2))}
.badge.none{background:#555}
.card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;font-weight:600}
.card .meta .ed{margin-left:auto;background:var(--bg);border:1px solid var(--line);padding:2px 9px;border-radius:6px;font-size:11px}
.card h3{margin:0;font-size:19px;line-height:1.3;font-weight:800}
/* akcent wg cyklu */
.card{--accent:#005bea}
.card[data-cykl="wpwn"]{--accent:var(--wpwn2)}
.card[data-cykl="ppn"]{--accent:var(--ppn2)}
.card[data-cykl="wls"]{--accent:var(--wls2)}
.card[data-cykl="none"]{--accent:#3a3f52}
/* tytuł: tylko zmiana koloru na hover (delikatnie) */
.card h3 a{color:var(--ink);text-decoration:none;transition:color .18s ease}
.card:hover h3 a{color:var(--accent)}
/* „Zobacz wykład": cienkie animowane podkreślenie (wjazd z lewej / chowanie do lewej) */
.card .more{margin-top:auto;align-self:flex-start;color:var(--accent);font-weight:800;font-size:14px;padding-top:6px;
    text-decoration:none;
    background-image:linear-gradient(var(--accent),var(--accent));
    background-repeat:no-repeat;background-position:left 100%;background-size:0 1px;
    transition:background-size .3s ease;padding-bottom:2px}
.card:hover .more{background-size:100% 1px}
.card:hover{border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}
.no-results{grid-column:1/-1;text-align:center;color:var(--muted);padding:60px 0;font-size:18px}

/* ---------- Single lecture ---------- */
.lec-hero{color:#fff;background:linear-gradient(120deg,var(--brand1),var(--brand2));position:relative;overflow:hidden}
.lec-hero.wpwn{--brand1:var(--wpwn1);--brand2:var(--wpwn2)}
.lec-hero.ppn{--brand1:var(--ppn1);--brand2:var(--ppn2)}
.lec-hero.wls{--brand1:var(--wls1);--brand2:var(--wls2)}
.lec-hero.none{background:linear-gradient(120deg,#3a3f52,#1a1d29)}
.lec-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(1000px 400px at 85% -30%,rgba(255,255,255,.22),transparent 60%)}
.lec-hero .wrap{position:relative;z-index:1;padding:30px 24px 54px;max-width:900px}
.breadcrumb{display:inline-flex;align-items:center;gap:8px;color:#fff;opacity:.9;font-weight:700;font-size:14px;margin-bottom:18px}
.lec-meta{display:flex;align-items:center;gap:20px;margin:8px 0 18px;flex-wrap:wrap}
.lec-meta__logo{flex:0 0 auto;display:flex;align-items:center}
.lec-meta__logo img{height:68px;width:auto;max-width:260px;object-fit:contain;filter:brightness(0) invert(1);opacity:.98}
@media(max-width:520px){.lec-meta__logo img{height:52px}}

/* WSIiZ subheader (na każdej podstronie, link do archiwum) */
.subheader{background:linear-gradient(120deg,#20263f,#0e1122);border-bottom:1px solid rgba(255,255,255,.08)}
.subheader .wrap{display:flex;align-items:center;gap:16px;height:60px}
.subheader__logo{display:inline-flex;align-items:center}
.subheader__logo img{height:32px;width:auto;opacity:.96}
.subheader__back{margin-left:auto;color:rgba(255,255,255,.8);font-weight:700;font-size:14px}
.subheader__back:hover{color:#fff;text-decoration:none}
.subheader__back::before{content:"← ";}
.breadcrumb:hover{opacity:1;text-decoration:none}
.lec-hero .tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.lec-hero .tag{background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.35);color:#fff;font-weight:700;font-size:13px;padding:5px 13px;border-radius:999px}
.lec-hero h1{font-size:clamp(26px,4.2vw,44px);line-height:1.12;margin:0;font-weight:900;letter-spacing:-.5px}

.lec-body.wpwn{--brand1:var(--wpwn1);--brand2:var(--wpwn2)}
.lec-body.ppn{--brand1:var(--ppn1);--brand2:var(--ppn2)}
.lec-body.wls{--brand1:var(--wls1);--brand2:var(--wls2)}
.lec-body.none{--brand1:#3a3f52;--brand2:#1a1d29}
.lec-body{max-width:820px;margin:-30px auto 0;position:relative;z-index:2;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:44px clamp(20px,5vw,56px)}
.lec-body >*{max-width:100%}
.lec-body p{font-size:17px;color:#33384a}
.lec-body h2{font-size:26px;font-weight:800;margin:2em 0 .6em;letter-spacing:-.3px}
.lec-body h3{font-size:21px;font-weight:800;margin:1.6em 0 .5em}
.lec-body img{border-radius:12px;box-shadow:var(--shadow)}
.lec-body figure{margin:1.6em 0}
.lec-body .wp-block-buttons{margin:1.4em 0}
.lec-body .wp-block-button__link{background:linear-gradient(120deg,var(--brand1),var(--brand2));color:#fff;padding:12px 24px;border-radius:999px;font-weight:800;display:inline-block;box-shadow:var(--shadow)}
.lec-body .wp-block-button__link:hover{text-decoration:none;filter:brightness(1.05)}
.lec-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;display:block;overflow-x:auto}
.lec-body th{background:linear-gradient(120deg,var(--brand1),var(--brand2));color:#fff;text-align:left;padding:12px 14px;font-weight:800;white-space:nowrap}
.lec-body td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.lec-body tr:nth-child(even) td{background:var(--bg)}
.lec-nav{max-width:820px;margin:34px auto 70px;display:flex;justify-content:center}
.btn-back{background:#fff;border:1.5px solid var(--line);color:var(--ink);font-weight:800;padding:13px 26px;border-radius:999px;box-shadow:var(--shadow);display:inline-flex;align-items:center;gap:8px}
.btn-back:hover{text-decoration:none;border-color:var(--muted)}

/* ---------- Karty linkujące (natywna siatka Gutenberga) ---------- */
.lec-body .wpwn-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(13rem,1fr));gap:20px;margin:1.9em 0}
.lec-body .wpwn-card{margin:0}
.lec-body .wpwn-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;box-shadow:var(--shadow);display:block;transition:transform .25s,box-shadow .25s}
.lec-body .wpwn-card a{display:block}
.lec-body .wpwn-card a:hover img{transform:translateY(-4px) scale(1.02);box-shadow:var(--shadow-lg)}
.lec-body .wpwn-card figcaption{margin-top:10px;text-align:center;font-size:13.5px;color:var(--muted);line-height:1.3}
.lec-body .wpwn-card figcaption strong{display:block;color:var(--ink);font-weight:700;font-size:15px}
.lec-body .wpwn-card figcaption .wpwn-cap-sub{display:block;font-weight:400;color:var(--muted);font-family:var(--font);font-size:13.5px;margin-top:2px}
.lec-body .wpwn-linkcard{margin:.4em 0}
.lec-body .wpwn-linkcard a{display:inline-block;background:linear-gradient(120deg,var(--brand1),var(--brand2));color:#fff;font-weight:800;padding:10px 20px;border-radius:999px;box-shadow:var(--shadow)}
.lec-body .wpwn-linkcard a:hover{text-decoration:none;filter:brightness(1.05)}

/* ---------- Lightbox (galeria) ---------- */
.wpwn-lb{position:fixed;inset:0;background:rgba(8,10,22,.93);display:none;align-items:center;justify-content:center;z-index:1000;padding:32px;cursor:zoom-out;backdrop-filter:blur(4px)}
.wpwn-lb.is-open{display:flex;animation:wpwn-lb-in .18s ease}
@keyframes wpwn-lb-in{from{opacity:0}to{opacity:1}}
.wpwn-lb__fig{margin:0;display:flex;flex-direction:column;align-items:center;gap:14px;cursor:default}
.wpwn-lb__fig img{max-width:90vw;max-height:84vh;border-radius:10px;box-shadow:0 24px 70px rgba(0,0,0,.55)}
.wpwn-lb__fig figcaption{color:#fff;font-family:var(--font-cond);font-size:15px;opacity:.92;text-align:center;max-width:80vw}
.wpwn-lb__x{position:absolute;top:18px;right:24px;width:48px;height:48px;border-radius:50%;border:none;background:rgba(255,255,255,.16);color:#fff;font-size:30px;line-height:1;cursor:pointer;transition:.15s;z-index:2}
.wpwn-lb__x:hover{background:rgba(255,255,255,.3);transform:rotate(90deg)}
.wpwn-lb__nav{position:absolute;top:50%;transform:translateY(-50%);width:56px;height:56px;border-radius:50%;border:none;background:rgba(255,255,255,.14);color:#fff;font-size:34px;line-height:1;cursor:pointer;transition:.15s;z-index:2}
.wpwn-lb__nav:hover{background:rgba(255,255,255,.28)}
.wpwn-lb__prev{left:24px}.wpwn-lb__next{right:24px}
.wpwn-lb__count{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);color:#fff;font-family:var(--font-cond);font-size:14px;opacity:.8;letter-spacing:1px}
a.wpwn-has-lightbox{cursor:zoom-in}
@media(max-width:600px){.wpwn-lb__nav{width:44px;height:44px;font-size:26px}.wpwn-lb__prev{left:8px}.wpwn-lb__next{right:8px}}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#c7cbdb;padding:44px 0;margin-top:40px}
.site-footer .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.site-footer img{height:38px;width:auto;opacity:.9}
.site-footer .small{font-size:13px;opacity:.7;text-align:right;font-family:var(--font-cond)}
@media(max-width:600px){.site-footer .wrap{flex-direction:column;text-align:center}.site-footer .small{text-align:center}}

@media(max-width:640px){
    .site-header nav a{margin-left:14px;font-size:14px}
    .hero .wrap{padding:52px 24px 70px}
    .grid{grid-template-columns:1fr}
}