:root{--navy:#061827;--navy2:#154c5d;--sea:#16a9a2;--sea-ink:#078b84;--sea-light:#7ed6dc;--sand:#f2bb62;--paper:#f1eee6;--card:#ffffff;--ink:#122230;--muted:#5c6872;--faint:#8a959c;--line:#d7dddc;--warn-bg:#fdf3e2;--warn-ink:#6d4a12;--quote-bg:#edf6f5;--term-b:#0b3a4a;--shadow:0 10px 26px #06182714;--hero-h:"Helvetica Neue",Arial,"Apple SD Gothic Neo","Pretendard","Noto Sans KR",sans-serif}
@media(prefers-color-scheme:dark){:root{--paper:#0e1a24;--card:#152532;--ink:#e6edf1;--muted:#a9b6bf;--faint:#7c8a93;--line:#26394a;--warn-bg:#3a2d16;--warn-ink:#f2d7a3;--quote-bg:#173338;--term-b:#8fdfe0;--sea-ink:#4fd0c8;--shadow:0 10px 26px #00000055}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:4.5rem}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Apple SD Gothic Neo","Pretendard Variable","Pretendard","Noto Sans KR","Malgun Gothic",system-ui,-apple-system,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--sea-ink)}img{max-width:100%;display:block}
.skip{position:absolute;left:-999px;top:0;background:var(--sand);color:var(--navy);padding:.5rem 1rem;z-index:99}.skip:focus{left:.5rem;top:.5rem}
/* top bar */
.top{position:sticky;top:0;z-index:20;background:var(--navy);color:#fff;border-bottom:1px solid #ffffff14}
.topin{max-width:1160px;margin:auto;padding:.7rem 1.1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;text-decoration:none;font:800 .8rem/1 var(--hero-h);letter-spacing:.14em;text-transform:uppercase;white-space:nowrap}
.badge{display:inline-grid;place-items:center;width:30px;height:30px;border:2px solid var(--sea);border-radius:50%;color:var(--sea-light);font:800 .62rem/1 var(--hero-h);letter-spacing:.02em}
.topnav{display:flex;align-items:center;gap:.25rem;font-size:.9rem}
.topnav a{color:#dbe6ea;text-decoration:none;padding:.4rem .7rem;border-radius:6px;white-space:nowrap}
.topnav a:hover,.topnav a:focus-visible{background:#ffffff18;color:#fff}
.topnav a[aria-disabled]{opacity:.35;pointer-events:none}
.topnav .sep{width:1px;height:1.1rem;background:#ffffff33;margin:0 .3rem}
@media(max-width:560px){.brand span.txt{display:none}.topnav{font-size:.84rem}.topnav a{padding:.4rem .5rem}}
/* hero */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;min-height:420px;display:flex;align-items:flex-end}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 15%;opacity:.85}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#06182722 0%,#06182799 55%,#061827f2 100%)}
.heroin{position:relative;z-index:1;max-width:1160px;width:100%;margin:auto;padding:5.5rem 1.1rem 2.25rem}
.panel{max-width:720px;border-left:4px solid var(--sea);padding-left:1.25rem}
.eyebrow{color:var(--sea-light);font:800 .74rem/1.4 var(--hero-h);letter-spacing:.14em;text-transform:uppercase;margin-bottom:.5rem}
.eyebrow time{color:#ccdae1;font-weight:600;letter-spacing:.06em}
.hero h1{margin:0;font:900 clamp(2rem,5.6vw,3.6rem)/1.05 var(--hero-h);letter-spacing:-.02em}
.hero h1 small{display:block;margin-top:.5rem;color:var(--sand);font:600 clamp(.9rem,1.6vw,1.05rem)/1.4 var(--hero-h);letter-spacing:.02em}
.hero .sub{margin:1rem 0 0;max-width:600px;color:#dbe6ea;font-size:1.02rem}
.chips{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1.1rem}
.chip{display:inline-block;background:#ffffff1c;border:1px solid #ffffff2c;color:#fff;padding:.28rem .7rem;border-radius:999px;font:700 .7rem/1.4 var(--hero-h);letter-spacing:.09em;text-transform:uppercase}
/* layout */
.layout{max-width:1160px;margin:auto;padding:2rem 1.1rem 4rem;display:grid;grid-template-columns:250px minmax(0,1fr);gap:2.2rem;align-items:start}
@media(max-width:900px){.layout{grid-template-columns:1fr;gap:1.2rem}}
.toc{position:sticky;top:4.2rem;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:.35rem 0}
.toc summary{cursor:pointer;list-style:none;padding:.8rem 1.1rem;font:800 .72rem/1.4 var(--hero-h);letter-spacing:.14em;text-transform:uppercase;color:var(--sea-ink);display:flex;justify-content:space-between;align-items:center}
.toc summary::-webkit-details-marker{display:none}.toc summary::after{content:"▾";font-size:.9rem;transition:.2s}.toc[open] summary::after{transform:rotate(180deg)}
.toc ol{list-style:none;margin:0;padding:0 .5rem .6rem}
.toc a{display:block;padding:.4rem .6rem;border-radius:6px;color:var(--ink);text-decoration:none;font-size:.86rem;line-height:1.45}
.toc a:hover{background:var(--quote-bg)}.toc a.active{background:var(--quote-bg);color:var(--sea-ink);font-weight:700}
@media(min-width:901px){.toc summary{pointer-events:none}.toc summary::after{display:none}}
.content{min-width:0}
.intro{background:var(--card);border-left:4px solid var(--sand);border-radius:0 10px 10px 0;padding:1rem 1.25rem;margin:0 0 1.4rem;box-shadow:var(--shadow);font-size:1.02rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.4rem 1.5rem;margin:0 0 1.2rem;box-shadow:var(--shadow)}
.card h2{margin:0 0 1rem;font:800 1.25rem/1.3 var(--hero-h);letter-spacing:-.01em;padding-bottom:.7rem;border-bottom:1px solid var(--line)}
.card h3{margin:1.3rem 0 .4rem;font:800 1.02rem/1.35 var(--hero-h);color:var(--sea-ink)}
.card h3:first-of-type{margin-top:.2rem}.card h2+h3{margin-top:.2rem}
.card p{margin:.7rem 0}.card p:last-child{margin-bottom:0}
.card b{color:var(--term-b)}
.term{display:grid;grid-template-columns:minmax(150px,32%) 1fr;gap:.4rem 1.2rem;padding:.65rem 0;border-bottom:1px dashed var(--line)}
.term:last-of-type{border-bottom:0}
.term>b{font:800 1rem/1.45 var(--hero-h);color:var(--term-b);overflow-wrap:anywhere}
.term>span{color:var(--ink)}
@media(max-width:600px){.term{grid-template-columns:1fr;gap:.15rem;padding:.6rem 0}}
.example{display:block;margin-top:.5rem;padding:.6rem .8rem;background:var(--quote-bg);border-radius:8px;font-size:.93rem}
.example .tag{display:inline-block;margin-right:.5rem;font:700 .66rem/1.4 var(--hero-h);letter-spacing:.08em;text-transform:uppercase;padding:.1rem .45rem;border-radius:4px;color:#fff;background:var(--sea-ink);vertical-align:middle}
.example .tag.apply{background:#8a6a2a}
.example q{quotes:none;font-style:italic;color:var(--ink)}
.example small{display:block;margin-top:.15rem;color:var(--muted);font-size:.9rem}
.quote{margin:.9rem 0;padding:.9rem 1.1rem;background:var(--quote-bg);border-left:4px solid var(--sea);border-radius:0 8px 8px 0;font-style:italic;line-height:1.6}
.warn,.example-note{margin:.9rem 0 0;padding:.75rem 1rem;background:var(--warn-bg);color:var(--warn-ink);border-radius:8px;font-size:.93rem}
.relation-grid,.listen-grid,.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:.8rem;margin:.2rem 0 .6rem}
.relation-grid>div,.listen-grid>div,.steps>div{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:.85rem 1rem;font-size:.93rem}
.relation-grid b,.listen-grid b,.steps b{display:block;margin-bottom:.25rem;font:800 .95rem/1.4 var(--hero-h)}
.steps{counter-reset:s}.steps b{color:var(--sea-ink);letter-spacing:.06em}
.recap{background:var(--navy);color:#fff;border-color:transparent}
.recap h2{color:#fff;border-color:#ffffff22}.recap b{color:var(--sea-light)}.recap p{color:#dbe6ea}
.recap .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.5rem .9rem}
.recap .grid>div{background:#ffffff10;border-radius:8px;padding:.6rem .8rem;font-size:.93rem}
.sources{color:var(--faint);font-size:.82rem;margin:1.5rem 0 0}.sources a{color:var(--faint)}
.episode-nav{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin-top:1.6rem}
.episode-nav a{display:block;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:.9rem 1rem;text-decoration:none;color:var(--ink);box-shadow:var(--shadow)}
.episode-nav a:hover{border-color:var(--sea)}
.episode-nav a.next{text-align:right}
.episode-nav .lbl{display:block;color:var(--faint);font:700 .68rem/1.4 var(--hero-h);letter-spacing:.12em;text-transform:uppercase}
.episode-nav .ttl{display:block;font:800 .98rem/1.35 var(--hero-h);color:var(--sea-ink)}
.episode-nav .haw{display:block;font-size:.8rem;color:var(--muted)}
@media(max-width:500px){.episode-nav{grid-template-columns:1fr}.episode-nav a.next{text-align:left}}
footer{border-top:1px solid var(--line);color:var(--faint);font-size:.82rem;text-align:center;padding:1.6rem 1.1rem 2.4rem}
footer a{color:var(--faint)}
/* index */
.hero.home{min-height:0;background:linear-gradient(135deg,#061827,#154c5d)}.hero.home::after{display:none}
.hero.home .heroin{padding:4.5rem 1.1rem 2.6rem}
.hero.home h1{max-width:760px;font-size:clamp(2.4rem,6.5vw,4.4rem)}
.stats{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;margin-top:1.2rem;color:#ccdae1;font-size:.9rem}
.stats b{color:#fff;font-family:var(--hero-h)}
.toolbar{max-width:1160px;margin:-1.4rem auto 0;padding:0 1.1rem;position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:.7rem;align-items:center}
.search{flex:1 1 260px;display:flex;align-items:center;gap:.6rem;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:.55rem .9rem;box-shadow:var(--shadow)}
.search input{flex:1;border:0;background:transparent;color:var(--ink);font:inherit;font-size:1rem;outline:none;min-width:0}
.search svg{flex:none;color:var(--faint)}
.jumps{display:flex;gap:.4rem;flex-wrap:wrap}
.jumps a{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:.45rem .9rem;text-decoration:none;color:var(--ink);font:700 .8rem/1.3 var(--hero-h);box-shadow:var(--shadow)}
.jumps a:hover{border-color:var(--sea)}
.season{max-width:1160px;margin:auto;padding:2.6rem 1.1rem 0}.season:last-of-type{padding-bottom:4rem}
.season h2{margin:0 0 1rem;font:800 1.5rem/1.2 var(--hero-h);display:flex;align-items:baseline;gap:.7rem}
.season h2 small{color:var(--faint);font-size:.85rem;font-weight:600}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
@media(max-width:850px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.cards{grid-template-columns:1fr}}
.cardlink{display:flex;flex-direction:column;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:10px;color:inherit;text-decoration:none;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.cardlink:hover{transform:translateY(-3px);box-shadow:0 18px 36px #06182724}
.cardlink img{aspect-ratio:16/9;width:100%;height:auto;object-fit:cover;background:var(--navy)}
.cardlink .body{padding:1rem 1.1rem 1.15rem}
.num{color:var(--sea-ink);font:800 .7rem/1.4 var(--hero-h);letter-spacing:.1em}
.cardlink h3{margin:.3rem 0 .1rem;font:800 1.12rem/1.3 var(--hero-h)}
.native{margin-bottom:.4rem;color:var(--faint);font:650 .78rem/1.35 var(--hero-h);letter-spacing:.02em}
.cardlink p{margin:0;color:var(--muted);font-size:.9rem}
.cardlink[hidden]{display:none}.empty{color:var(--muted);padding:1rem 0}
/* vocab */
.vocab-wrap{max-width:1160px;margin:auto;padding:1.6rem 1.1rem 4rem}
.letters{display:flex;flex-wrap:wrap;gap:.3rem;margin:1rem 0 1.6rem}
.letters a{display:inline-grid;place-items:center;min-width:2rem;height:2rem;padding:0 .4rem;border-radius:6px;background:var(--card);border:1px solid var(--line);text-decoration:none;color:var(--ink);font:700 .8rem/1 var(--hero-h)}
.vgroup{margin-bottom:1.6rem}
.vgroup h2{position:sticky;top:3.6rem;background:var(--paper);margin:0 0 .5rem;padding:.4rem 0;font:900 1.4rem/1.2 var(--hero-h);color:var(--sea-ink);border-bottom:2px solid var(--line);z-index:1}
.ventry{display:grid;grid-template-columns:minmax(160px,30%) 1fr auto;gap:.3rem 1.2rem;padding:.6rem 0;border-bottom:1px dashed var(--line);font-size:.95rem;align-items:baseline}
.ventry b{font:800 .98rem/1.4 var(--hero-h);color:var(--term-b)}
.ventry .eps{white-space:nowrap;font:700 .72rem/1.4 var(--hero-h);letter-spacing:.05em}
.ventry .eps a{display:inline-block;margin-left:.35rem;text-decoration:none;border:1px solid var(--line);border-radius:4px;padding:.05rem .4rem}
@media(max-width:600px){.ventry{grid-template-columns:1fr;gap:.1rem}}
.ventry[hidden]{display:none}
/* 404 */
.nf{max-width:640px;margin:auto;padding:5rem 1.1rem;text-align:center}