/* Görünüm videolarla aynı: koyu zemin, turkuaz vurgu, Manrope + JetBrains Mono. Açık görünüm düğmeyle seçilir. */
@font-face{font-family:"Manrope";font-style:normal;font-weight:200 800;font-display:swap;src:url(../fonts/manrope-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Manrope";font-style:normal;font-weight:200 800;font-display:swap;src:url(../fonts/manrope-latinext.woff2) format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:100 800;font-display:swap;src:url(../fonts/jbmono-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:100 800;font-display:swap;src:url(../fonts/jbmono-latinext.woff2) format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --bg:#0c1316; --surf:#141e22; --surf2:#1a272c; --line:#22323a; --fg:#e4eeec; --text:#c9d6d4; --mut:#8ea3a4;
  --teal:#2fc4b0; --teal-ink:#0c1316; --amb:#e7a35a; --tel:#4cc3ff; --cen:#f5a524; --dead:#4a5b60;
  --thumb:radial-gradient(120% 90% at 30% 30%,#173036,#0a1113);
  --sans:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif; --mono:"JetBrains Mono",ui-monospace,"Cascadia Mono",monospace;
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#f5f8f7; --surf:#ffffff; --surf2:#eef3f2; --line:#d6e0de; --fg:#11201f; --text:#2b3b3a; --mut:#5b6f6e;
  --teal:#0f8c7c; --teal-ink:#ffffff; --amb:#a8600f; --tel:#1f7fc2; --cen:#d4840a; --dead:#b5c2c0;
  --thumb:linear-gradient(135deg,#dfeae8,#c9d9d6);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:16px;line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{text-wrap:balance;margin:0;line-height:1.2}
.in{max-width:1180px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.skip{position:absolute;left:-999px;top:8px;background:var(--teal);color:var(--teal-ink);padding:8px 12px;border-radius:6px;z-index:20}
.skip:focus{left:12px}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:4px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* üst bant */
.hd{border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px)}
.hd .in{display:flex;align-items:center;gap:12px 26px;flex-wrap:wrap;padding-block:12px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;text-decoration:none}
.logo i{width:14px;height:14px;border-radius:4px;background:var(--teal);display:block}
.menu{display:flex;gap:6px 20px;align-items:center;flex:1;font-weight:600;font-size:15px;color:var(--mut)}
.menu > a{text-decoration:none}
.menu > a:hover,.menu > a.on{color:var(--fg)}
.dd{position:relative}
.dd summary{list-style:none;cursor:pointer}
.dd summary::-webkit-details-marker{display:none}
.dd summary::after{content:" ▾";font-size:12px}
.dd.on summary,.dd summary:hover{color:var(--fg)}
.ddm{position:absolute;left:-12px;top:calc(100% + 10px);min-width:230px;background:var(--surf);border:1px solid var(--line);border-radius:10px;padding:6px;display:grid;box-shadow:0 16px 40px -20px rgba(0,0,0,.6);z-index:15}
.ddm a{padding:8px 10px;border-radius:6px;text-decoration:none;color:var(--fg);font-weight:600}
.ddm a:hover{background:var(--surf2)}
.ddm a.all{color:var(--teal)}
.tools{display:flex;gap:8px;align-items:center}
.tool{font:600 13px var(--sans);color:var(--mut);background:none;border:1px solid var(--line);border-radius:8px;padding:6px 11px;text-decoration:none;cursor:pointer}
.tool:hover{color:var(--fg)}
.btn-yt{font-weight:700;font-size:13px;background:var(--teal);color:var(--teal-ink);border-radius:8px;padding:7px 13px;text-decoration:none}
@media (max-width:720px){.menu{order:3;flex-basis:100%}.hd .in{gap:10px 16px}.tools{margin-left:auto}}

main.in{padding-block:28px 64px;display:grid;grid-template-columns:minmax(0,1fr);gap:34px}
main.in > *{min-width:0}
.k,.lbl{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.06em;margin:0}
.k{color:var(--mut)} .k.e,.lbl.e{color:var(--teal)} .k.c,.lbl.c{color:var(--amb)}
.code{font-family:var(--mono);color:var(--amb);font-size:12px;font-weight:600}
.sec{font-size:20px;font-weight:800}
.rowh{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px}
.rowh a{font-size:14px;color:var(--mut);text-decoration:none}
.rowh a:hover{color:var(--teal)}
.block{display:grid}
.crumb{font-size:14px;color:var(--mut)}
.crumb a{text-decoration:none} .crumb a:hover{color:var(--teal)}
.empty{border:1px dashed var(--line);border-radius:10px;padding:16px;color:var(--mut);font-size:14.5px}

/* küçük resimler */
.thumb{position:relative;display:block;aspect-ratio:16/9;max-width:100%;border-radius:10px;overflow:hidden;background:var(--thumb);border:1px solid var(--line)}
.thumb img{width:100%;height:100%;object-fit:cover}
.dur{position:absolute;right:8px;bottom:8px;font-family:var(--mono);font-size:11px;background:rgba(0,0,0,.7);color:#fff;padding:2px 6px;border-radius:4px}
.thumb.play::after{content:"";position:absolute;inset:0;margin:auto;width:58px;height:58px;border-radius:50%;background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 5v14l11-7z' fill='%230c1316'/%3E%3C/svg%3E") center/26px no-repeat;box-shadow:0 0 0 10px rgba(47,196,176,.18)}

/* ana sayfa */
.feat{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:22px}
.feat-big{display:grid;gap:10px;text-decoration:none}
.feat-big h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.01em}
.feat-big p{margin:0;color:var(--text)}
.feat-big:hover h2{color:var(--teal)}
.side-list{display:grid;gap:14px;align-content:start}
.mini{display:grid;grid-template-columns:140px minmax(0,1fr);gap:14px;align-items:center;text-decoration:none}
.mini span:last-child{display:grid;gap:4px}
.mini b{font-size:15px;line-height:1.35}
.mini:hover b{color:var(--teal)}
.topics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.topics.wide{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.topic{background:var(--surf);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:grid;gap:6px;align-content:start;text-decoration:none;min-width:0}
.topic:hover{border-color:var(--teal)}
.topic b{font-size:15.5px}
.topic p{margin:0;color:var(--text);font-size:14.5px}
.topic span{font-family:var(--mono);font-size:12px;color:var(--mut)}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.vc{display:grid;gap:7px;align-content:start;text-decoration:none;min-width:0}
.vc b{font-size:15px;line-height:1.35}
.vc:hover b{color:var(--teal)}
.shorts{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}
.shorts.s3{grid-template-columns:repeat(3,minmax(0,170px))}
.short{position:relative;display:flex;flex-direction:column;justify-content:flex-end;aspect-ratio:9/16;max-width:100%;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:var(--thumb);text-decoration:none;color:#fff}
.short img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.short::before{content:"";position:absolute;inset:40% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.85))}
.short b{position:relative;padding:10px;font-size:13px;line-height:1.3}
.short .sdur{position:absolute;top:8px;right:8px;font-family:var(--mono);font-size:11px;background:rgba(0,0,0,.65);padding:2px 6px;border-radius:4px}
.short:hover{border-color:var(--teal)}

/* konu ve seri sayfaları */
.thead{display:grid;gap:8px;max-width:72ch}
.thead h1{font-size:clamp(28px,4vw,38px);font-weight:800;letter-spacing:-.01em}
.thead p{margin:0;color:var(--text)}
.cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:start}
.box{background:var(--surf);border:1px solid var(--line);border-radius:12px;padding:16px;display:grid;gap:14px;min-width:0}
.li{display:grid;grid-template-columns:110px minmax(0,1fr);gap:14px;align-items:center;text-decoration:none;font-weight:700;font-size:15px;line-height:1.35}
.li small{display:block;font-weight:400;color:var(--mut);font-size:13px;margin-top:3px}
.li:hover > span{color:var(--teal)}

/* yazı sayfası */
.art{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:40px;align-items:start}
.art .main{display:grid;grid-template-columns:minmax(0,1fr);gap:22px;min-width:0}
.art h1{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-.015em}
.meta{margin:-12px 0 0;font-family:var(--mono);font-size:12px;color:var(--mut)}
.player{position:relative;aspect-ratio:16/9;max-width:100%;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#000}
.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.player.soon img{width:100%;height:100%;object-fit:cover;opacity:.55}
.soon-note{position:absolute;left:16px;bottom:16px;display:grid;gap:2px;background:rgba(0,0,0,.72);color:#fff;padding:10px 14px;border-radius:10px;font-family:var(--mono);font-size:12px}
.soon-note b{font-family:var(--sans);font-size:15px}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.card{background:var(--surf);border:1px solid var(--line);border-radius:12px;padding:16px 18px;min-width:0}
.card p{margin:8px 0 0;font-size:16px;line-height:1.6}
.card.ans{border-color:color-mix(in srgb,var(--teal) 50%,var(--line))}
.verdict{display:inline-block;margin-top:12px;font-family:var(--mono);font-size:12px;font-weight:600;color:var(--teal);border:1px solid color-mix(in srgb,var(--teal) 50%,var(--line));border-radius:6px;padding:3px 8px}
.prose{color:var(--text);font-size:17px;line-height:1.75;max-width:68ch}
.prose.narrow{max-width:68ch}
.prose h2{color:var(--fg);font-size:21px;font-weight:800;margin:30px 0 8px}
.prose h3{color:var(--fg);font-size:18px;margin:22px 0 6px}
.prose p{margin:0 0 14px}
.prose ol,.prose ul{margin:0 0 14px;padding-left:22px;display:grid;gap:8px}
.prose a{color:var(--teal)}
.prose strong{color:var(--fg)}
.sema{margin:18px 0 22px;background:var(--surf);border:1px solid var(--line);border-radius:12px;padding:14px 14px 10px;overflow-x:auto}
.sema svg{width:100%;min-width:520px;height:auto;display:block}
.sema figcaption{font-size:13.5px;color:var(--mut);margin-top:6px;line-height:1.5}
.s-arm{fill:var(--surf2);stroke:var(--line)}
.s-tel{fill:var(--tel)} .s-cen{fill:var(--cen)} .s-dead{fill:var(--dead)}
.s-guide{stroke:var(--line);stroke-dasharray:3 4;fill:none}
.s-lbl text{fill:var(--fg);font:600 13px var(--sans)}
.s-note path{stroke:var(--mut);fill:none}
.s-note text{fill:var(--mut);font:12px var(--mono)}
.learn{background:var(--surf);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:grid;gap:6px}
.learn a{color:var(--teal);font-weight:600}
.side{display:grid;gap:22px;position:sticky;top:84px;font-size:14px;line-height:1.5}
.blk{border-top:1px solid var(--line);padding-top:12px;display:grid;gap:10px}
.src{margin:0;padding-left:20px;color:var(--mut);display:grid;gap:9px;overflow-wrap:anywhere}
.src a{color:var(--teal)}
.rel{display:grid;gap:8px}
.rel a{text-decoration:none;font-weight:600;color:var(--fg)}
.rel a:hover{color:var(--teal)}

/* arama */
.search input{width:100%;max-width:640px;font:16px var(--sans);color:var(--fg);background:var(--surf);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.results{display:grid;gap:12px;max-width:760px}
.results .li{background:var(--surf);border:1px solid var(--line);border-radius:12px;padding:12px;grid-template-columns:minmax(0,1fr)}

/* alt bant */
.ft{border-top:1px solid var(--line);color:var(--mut)}
.ft .in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:24px;padding-block:28px 36px}
.ft p{margin:6px 0 0}
.ft .small{font-size:13.5px;line-height:1.6;margin:0}
.ft .small a{color:var(--teal)}

@media (max-width:960px){
  .feat,.art,.cols,.pair,.ft .in{grid-template-columns:minmax(0,1fr)}
  .side{position:static}
  .topics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .shorts{grid-template-columns:repeat(3,minmax(0,1fr))}
  .shorts.s3{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:520px){.mini{grid-template-columns:110px minmax(0,1fr)}.li{grid-template-columns:96px minmax(0,1fr)}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}