/* ZAVÉK 2.0 — cinematic, compact, content-first interface. */
:root{--bg:#09090a;--side:#101011;--panel:#151516;--panel2:#1b1b1d;--panel3:#232326;--line:#303033;--ink:#faf9f6;--muted:#aaa8a9;--faint:#797778;--accent:#faf8f3;--accent-ink:#111;--green:#98c6a2;--danger:#e48d8d;--r:10px}
:root[data-theme=light]{--bg:#f3f1ec;--side:#ebe8e3;--panel:#fffefa;--panel2:#edeae5;--panel3:#ddd8cf;--line:#d8d4cc;--ink:#1d1d1c;--muted:#636360;--faint:#888781;--accent:#191919;--accent-ink:#fff;--green:#2f864f;--danger:#a32f30}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;font-size:14px;letter-spacing:-.01em}
.sidebar{width:76px;background:var(--side);border-color:var(--line);z-index:40}
.brand{padding:0 12px;justify-content:center;height:76px}
.brand-emblem{width:44px;height:44px;color:var(--ink);font-size:31px;background:transparent;border:none}
.brand-copy,.sidebar-heading,.side-bottom{display:none}
.sidebar-scroll{padding:16px 9px;overflow-y:auto}
.nav-link{padding:15px 0;margin:3px 0;gap:0;justify-content:center;font-size:0;border-radius:8px;height:52px;position:relative}
.nav-link.active{background:var(--panel3);border-left:3px solid var(--accent);color:var(--ink)}
.nav-link.active .nav-icon{color:var(--ink)}
.nav-icon{width:24px;height:24px}.nav-icon svg{width:22px;height:22px}
.topbar{height:76px;min-height:76px;padding:0 clamp(24px,3.5vw,55px);background:var(--bg);position:sticky;top:0;z-index:30;border-color:var(--line)}
.top-left{flex:1;gap:30px}.topbar-logo{font-size:19px;letter-spacing:.18em;font-weight:850;color:var(--ink);white-space:nowrap}
.desktop-header-links{display:flex;gap:29px;align-items:center}.header-route{font-size:12px;font-weight:600;color:var(--muted);border:0;background:transparent;padding:9px 0;transition:color .15s}.header-route:hover{color:var(--ink)}
.topbar .breadcrumbs{display:none}.top-right{gap:18px}.offline-pill{font-size:10px}.top-streak{font-weight:650}
.main-shell{width:calc(100% - 76px);min-width:0}.page{max-width:1670px;width:100%;padding:0 clamp(24px,3.5vw,55px) 95px}.page:has(.cine-hero){padding-top:0}.page:not(:has(.cine-hero)){padding-top:clamp(30px,3.5vw,55px);max-width:1380px}
.footer{padding:26px clamp(24px,3.5vw,55px);letter-spacing:.04em;font-size:10px}
.page-title h1{font-size:clamp(39px,4.5vw,65px);font-weight:760;letter-spacing:-.055em}
.page-title p{font-size:15px;max-width:650px}.section-head h2,.shelf-heading h2{font-size:clamp(23px,2.4vw,31px);letter-spacing:-.04em;font-weight:700}
.btn{border-radius:7px;transition:transform .2s,border .2s,background .2s;padding:12px 17px;font-size:12px}.btn:active{transform:scale(.98)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
::-webkit-scrollbar{width:0;height:0}*{scrollbar-width:none}
/* Immersive home hero */
.cine-hero{min-height:545px;height:clamp(470px,46vw,660px);position:relative;isolation:isolate;margin:0 calc(-1 * clamp(24px,3.5vw,55px));padding:0 clamp(24px,3.5vw,55px);overflow:hidden;background:radial-gradient(ellipse at 77% 41%,#43241f 0%,#241919 25%,transparent 54%),radial-gradient(ellipse at 84% 65%,#282a36 0%,transparent 51%),linear-gradient(90deg,#0b0b0d 0%,#131113 66%,#1b1617 100%)}
.cine-hero::before{content:'';position:absolute;inset:0;pointer-events:none;opacity:.22;background:repeating-linear-gradient(94deg,transparent 0 42px,rgba(255,255,255,.015) 42px 43px)}
.cine-hero-giant{position:absolute;right:-.022em;top:8%;font-size:clamp(185px,27vw,435px);font-weight:950;line-height:1;letter-spacing:-.12em;color:#ffffff05;white-space:nowrap;transform:rotate(-10deg);pointer-events:none}
.cine-hero-content{position:relative;z-index:3;max-width:740px;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding-bottom:35px}
.hero-index{display:flex;align-items:center;gap:13px;color:#c5b5ac;font-size:10px;font-weight:800;letter-spacing:.15em}.live-dot{height:7px;width:7px;border-radius:50%;background:#cc9a89;box-shadow:0 0 0 5px #cc9a8919}.hero-line{width:34px;height:1px;background:#756864}
.cine-hero h1{font-size:clamp(48px,6vw,96px);letter-spacing:-.065em;line-height:.99;font-weight:770;margin:29px 0 18px;text-shadow:0 12px 50px #0006}.cine-hero h1 em{font-style:normal;color:#d9b49a}
.cine-hero p{max-width:525px;color:#c2bdba;font-size:clamp(13px,1.35vw,17px);line-height:1.7;margin:0}
.cine-hero-meta{display:flex;gap:20px;flex-wrap:wrap;color:#c3b7b1;font-size:10px;letter-spacing:.095em;font-weight:760;margin:28px 0 28px}
.hero-actions{gap:10px}.hero-actions .btn{padding:15px 20px;font-size:13px}.play-triangle{font-size:11px}.hero-secondary{border-color:#85817b68!important;background:#ffffff0c!important;color:#f3f0ec!important}.hero-secondary:hover{background:#ffffff21!important}
.cine-symbol{position:absolute;right:8%;top:32%;transform:rotate(-13deg);opacity:.65;filter:drop-shadow(0 30px 28px #0008);pointer-events:none}.cine-symbol .native-glyph{width:60px;height:98px;color:#dac1b0;stroke-width:2px}.cine-hero-fade{z-index:2;position:absolute;inset:0;background:linear-gradient(90deg,transparent 0%,#11111316 48%,#13111400 100%),linear-gradient(0deg,var(--bg) 0%,transparent 24%);pointer-events:none}
.hero-bottom{position:absolute;bottom:32px;left:clamp(24px,3.5vw,55px);display:flex;align-items:center;gap:16px;color:#9d9894;font-size:9px;font-weight:800;letter-spacing:.12em;z-index:3}.hero-bottom>span{height:1px;width:35px;background:#645b56}
/* Home stat strip */
.top-progress{display:grid;grid-template-columns:repeat(4,1fr);margin-top:-10px;position:relative;z-index:3;border:1px solid var(--line);background:var(--panel);border-radius:9px;overflow:hidden}
.quick-stat{padding:23px 27px;display:flex;flex-direction:column;gap:6px;min-height:105px}.quick-stat:not(:last-child){border-right:1px solid var(--line)}.quick-stat>span,.quick-stat>small{color:var(--muted);font-size:10px;letter-spacing:.085em;font-weight:650}.quick-stat>strong{font-size:31px;font-weight:750;letter-spacing:-.05em;line-height:1.15}.quick-stat strong small{font-size:15px;color:var(--faint)}.mini-track{height:3px;background:var(--line);margin-top:5px;border-radius:5px}.mini-track>div{height:100%;background:#bd9685;border-radius:5px;transition:width .35s}
/* Cinematic horizontal shelves */
.cinematic-section{margin-top:49px}.shelf-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:19px}.shelf-heading h2{margin:5px 0 0}.micro-label{font-size:10px;font-weight:800;letter-spacing:.16em;color:var(--muted)}.shelf-viewall{background:none;border:none;color:var(--muted);font-size:12px;font-weight:650;white-space:nowrap}.shelf-viewall:hover{color:var(--ink)}.shelf-viewall span{padding-left:7px}
.continue-shelf,.track-shelf{display:flex;gap:13px;overflow-x:auto;overflow-y:hidden;padding:0 0 9px;scroll-snap-type:x mandatory;scroll-behavior:smooth}
.continue-tile{flex:0 0 clamp(240px,25vw,365px);scroll-snap-align:start;min-width:0;padding:0;border:0;text-align:left;background:transparent;color:var(--ink)}.continue-tile:hover .tile-art,.track-poster:hover .poster-content{transform:translateY(-4px);filter:brightness(1.1)}.tile-art{height:clamp(150px,16vw,210px);border:1px solid #ffffff12;border-radius:7px;background:#25252a;position:relative;overflow:hidden;padding:23px 24px;display:flex;flex-direction:column;justify-content:space-between;transition:transform .25s,filter .25s}.tile-art:after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 100% 100%,#ffffff12,transparent 50%);pointer-events:none}.tile-art>span{font-size:10px;letter-spacing:.15em;color:#e8dfdaa9;font-weight:800}.tile-art>strong{font-size:clamp(23px,2.3vw,35px);font-weight:760;letter-spacing:-.055em;line-height:1.05;color:#f8f5f0;position:relative;z-index:2}.tile-art .native-line{position:absolute;right:10px;bottom:3px;transform:rotate(-17deg);opacity:.18;color:#f7efea;white-space:nowrap}.tile-art .native-glyph{height:95px;width:50px}.tile-art-red{background:linear-gradient(125deg,#4e2926,#221b21)}.tile-art-slate{background:linear-gradient(135deg,#243a45,#1c2327)}.tile-art-olive{background:linear-gradient(120deg,#3d4232,#242a27)}.tile-art-earth{background:linear-gradient(135deg,#58413a,#261f23)}.tile-bottom{display:flex;flex-direction:column;padding:14px 2px 2px;gap:5px}.tile-bottom b{font-size:15px;font-weight:710}.tile-bottom small{font-size:12px;color:var(--muted)}.tile-bottom small span{padding-left:5px}
.track-poster{flex:0 0 clamp(175px,17.5vw,245px);min-width:0;height:315px;scroll-snap-align:start;padding:0;border:0;background:transparent;color:var(--ink);text-align:left}.poster-content{background:linear-gradient(160deg,color-mix(in srgb,var(--cover-color),black 9%),color-mix(in srgb,var(--cover-color),black 54%));border:1px solid #ffffff1c;width:100%;height:100%;border-radius:6px;display:flex;flex-direction:column;justify-content:flex-start;padding:20px 20px 19px;position:relative;overflow:hidden;transition:transform .25s,filter .25s}.poster-content::after{content:'Z';position:absolute;top:17%;right:-25%;font-family:Georgia,serif;font-size:290px;line-height:1;color:#ffffff11;transform:rotate(-14deg);pointer-events:none}.poster-top{font-size:9px;font-weight:800;letter-spacing:.14em;color:#eee8dfaa;display:flex;justify-content:space-between}.poster-native{margin:auto 0;opacity:.6;position:relative;z-index:2}.poster-native .native-glyph{height:60px;width:32px;color:#f3e9de}.poster-title{font-size:25px;font-weight:800;letter-spacing:-.05em;line-height:1.02;position:relative;z-index:2;color:#faf7f2}.poster-detail{color:#eae5dfaa;margin-top:9px;font-size:11px;position:relative;z-index:2}
.tool-shelf{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:11px}.tool-tile{border:1px solid var(--line);background:var(--panel);border-radius:8px;text-align:left;min-height:160px;padding:19px;position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:9px;color:var(--ink);transition:transform .2s,background .2s}.tool-tile:hover{background:var(--panel2);transform:translateY(-3px)}.tool-icon{display:grid;place-items:center;height:37px;width:37px;border-radius:7px;background:var(--panel3);margin-bottom:auto}.tool-icon svg{height:19px;width:19px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linejoin:round}.tool-tile b{font-size:15px}.tool-tile small{font-size:11px;color:var(--muted)}.tool-arrow{position:absolute;top:21px;right:17px;color:var(--faint)}
.daily-strip{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-top:55px;padding:27px 32px;background:var(--panel);border:1px solid var(--line);border-radius:8px;min-width:0}.daily-strip h2{font-size:26px;margin:9px 0 7px;letter-spacing:-.04em}.daily-strip p{margin:0;color:var(--muted);font-size:13px}.daily-actions{display:flex;gap:15px;flex-direction:column;align-items:flex-end;max-width:48%}.daily-actions .native-glyph{height:40px;width:22px}.daily-actions .native-line{max-width:100%;overflow:hidden;white-space:nowrap;color:var(--muted)}
/* Translator */
.translate-layout,.match-area{max-width:1220px;margin:auto}.translate-head{margin:0 0 30px}.translate-head h1{font-size:clamp(46px,5vw,80px);margin:8px 0 15px;letter-spacing:-.06em}.translate-head p{color:var(--muted);font-size:15px}.title-period{color:#b68c78}
.translate-workspace{border:1px solid var(--line);border-radius:10px;background:var(--panel);overflow:hidden}.translate-bar{height:50px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 23px;font-size:10px;font-weight:800;letter-spacing:.14em}.translator-mode{color:var(--muted);font-size:9px}.translate-label-row{display:grid;grid-template-columns:1fr 64px 1fr;align-items:center;padding:14px 23px;border-bottom:1px solid var(--line)}.translate-label-row b{font-size:15px;font-weight:700}.translate-label-row b:last-child{text-align:right}.swap-button{border:1px solid var(--line);background:var(--panel2);height:39px;width:42px;border-radius:7px;color:var(--ink);font-size:22px;justify-self:center;transition:transform .2s}.swap-button:hover{transform:rotate(180deg)}.translate-columns{display:grid;grid-template-columns:1fr 1fr}.translate-input-side{border-right:1px solid var(--line)}.translate-input-side,.translate-output-side{min-height:290px;display:flex;flex-direction:column}.translate-input-side textarea,.translation-output{width:100%;min-height:230px;height:100%;padding:27px 25px 20px;background:transparent;border:none;resize:vertical;color:var(--ink);font:500 clamp(19px,2vw,28px)/1.5 inherit;outline:0;letter-spacing:-.03em;overflow-wrap:anywhere}.translate-input-side textarea{font-family:inherit;font-size:clamp(19px,2vw,28px);line-height:1.5}.translation-output{font-size:clamp(19px,2vw,28px);white-space:pre-wrap;color:var(--ink)}.placeholder-text{color:var(--faint)}.translation-bottom{padding:12px 23px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px;gap:10px;border-top:1px solid var(--line)}.tiny-action{border:0;background:transparent;color:var(--ink);font-size:11px;font-weight:700;padding:5px;cursor:pointer}.translation-feedback{margin:14px 0 0}.feedback-complete,.feedback-warning{border:1px solid var(--line);border-radius:7px;padding:13px 15px;font-size:12px;color:var(--muted);display:flex;align-items:center;gap:12px}.signal-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green)}.feedback-warning{color:var(--ink);flex-wrap:wrap}.feedback-warning>span{color:var(--danger);overflow-wrap:anywhere;flex:1}.translation-samples-title{margin-top:37px}.sample-row{display:flex;gap:8px;flex-wrap:wrap}.sample-chip{border:1px solid var(--line);background:var(--panel);padding:11px 14px;border-radius:6px;color:var(--ink);font-size:12px;transition:background .2s}.sample-chip:hover{background:var(--panel2)}.translation-explainer{border-top:1px solid var(--line);margin-top:40px;padding-top:20px}.translation-explainer p{font-size:12px;color:var(--muted);line-height:1.8;max-width:750px;margin-top:8px}
/* Matching game */
.match-toolbar{display:flex;align-items:center;gap:55px;padding:20px 24px;border-radius:9px;border:1px solid var(--line);background:var(--panel);margin-bottom:15px}.match-toolbar>div{display:flex;flex-direction:column;gap:7px}.match-toolbar strong{font-size:28px;font-weight:770;letter-spacing:-.05em}.match-toolbar strong span{font-size:15px;color:var(--faint)}.match-toolbar button{margin-left:auto}.match-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px}.match-card{min-height:150px;border-radius:8px;border:1px solid var(--line);background:var(--panel);text-align:left;display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start;padding:18px;position:relative;color:var(--ink);transition:background .18s,transform .18s,border .18s}.match-card:hover:not(:disabled){transform:translateY(-3px);background:var(--panel2)}.match-card small{font-size:10px;letter-spacing:.12em;color:var(--muted);font-weight:750}.match-card strong{font-size:clamp(16px,1.6vw,23px);line-height:1.2;letter-spacing:-.035em;word-break:break-word}.match-card>span{position:absolute;top:13px;right:14px;color:var(--muted)}.match-card.selected{border:2px solid #d5b79e;background:#47372d}.match-card.matched{border-color:#577663;background:#223329;opacity:.45;cursor:default}.match-done{border-radius:8px;text-align:center;padding:60px 24px;background:var(--panel);border:1px solid var(--line)}.match-done h2{font-size:44px;letter-spacing:-.055em;margin:9px 0}.match-done p{color:var(--muted)}.match-confetti{font-size:40px;color:var(--green)}
/* consistent learning cards */
.lesson-card,.feature-card,.settings-card,.practice-stage,.grammar-content,.number-converter,.dictionary-toolbar,.dict-row,.stat,.flash-card{border-radius:8px}
.lesson-card:hover,.word-card:hover{border-color:var(--faint)}.unit{margin-top:35px}.intro-stat{font-weight:700}.lesson-card h3{font-size:19px;letter-spacing:-.03em}.unit-label{color:var(--muted)}
.native-line{overflow-wrap:anywhere}
/* light mode: preserve functional contrast, hero still cinematic */
:root[data-theme=light] .cine-hero{color:#f8f6f1}:root[data-theme=light] .cine-hero h1,:root[data-theme=light] .cine-hero-content p{color:#f8f6f1}:root[data-theme=light] .hero-index{color:#d5b9a9}:root[data-theme=light] .cine-hero-fade{background:linear-gradient(0deg,var(--bg),transparent 25%)}
:root[data-theme=light] .tile-art strong,:root[data-theme=light] .poster-content{color:#fff}
@media(min-width:901px){.sidebar-close,.mobile-only{display:none!important}}
@media(max-width:1150px){.desktop-header-links{gap:15px}.tool-shelf{grid-template-columns:repeat(3,minmax(0,1fr))}.cine-symbol{right:1%}.cine-symbol .native-glyph{width:42px;height:73px}}
@media(max-width:900px){.main-shell{width:100%}.sidebar{width:260px;left:0;z-index:50;box-shadow:none}.sidebar.open{box-shadow:0 20px 70px #0009}.sidebar .brand{justify-content:space-between;padding:0 20px}.sidebar .brand-copy{display:flex}.sidebar .sidebar-heading,.sidebar .side-bottom{display:block}.sidebar-scroll{padding:22px 12px}.sidebar .nav-link{font-size:14px;height:auto;padding:13px 15px;gap:12px;justify-content:flex-start}.sidebar .nav-link.active{border-left:0}.sidebar .nav-link .nav-icon{width:20px}.desktop-header-links{display:none}.topbar-logo{font-size:17px}.topbar{padding:0 23px}.page{padding-left:23px;padding-right:23px}.cine-hero{margin:0 -23px;padding:0 23px}.cine-hero-content{max-width:590px}.top-progress{grid-template-columns:repeat(2,1fr)}.quick-stat:nth-child(2){border-right:0}.quick-stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.cine-symbol{opacity:.23;right:0;top:21%}}
@media(max-width:660px){.topbar{min-height:65px;height:65px;padding:0 17px}.topbar-logo{font-size:15px}.top-streak,.offline-pill{display:none}.page{padding:26px 17px 85px}.page:has(.cine-hero){padding-top:0}.cine-hero{margin:0 -17px;padding:0 21px;min-height:565px;height:565px}.cine-hero-content{padding-bottom:63px;justify-content:center}.cine-hero h1{font-size:clamp(46px,12vw,72px);margin:22px 0 17px}.cine-hero p{font-size:13px;line-height:1.7;max-width:360px}.cine-hero-meta{gap:12px;font-size:9px;line-height:1.5;margin:22px 0}.hero-actions .btn{padding:13px 15px;font-size:11px}.hero-bottom{left:22px;bottom:20px;max-width:85%;font-size:8px}.cine-symbol{top:22%;right:-44%;opacity:.16}.cine-symbol .native-glyph{height:80px;width:48px}.top-progress{margin-top:10px}.quick-stat{padding:17px 15px;min-height:98px}.quick-stat>strong{font-size:26px}.quick-stat>span,.quick-stat>small{font-size:9px}.cinematic-section{margin-top:37px}.shelf-heading h2{font-size:24px}.shelf-viewall{font-size:11px}.continue-tile{flex-basis:76vw}.tile-art{height:170px}.tile-art strong{font-size:29px}.track-poster{flex-basis:55vw;height:265px}.poster-native .native-glyph{width:26px;height:45px}.poster-title{font-size:23px}.tool-shelf{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.tool-tile{min-height:140px;padding:14px}.tool-tile b{font-size:13px}.tool-tile small{font-size:10px}.daily-strip{margin-top:37px;align-items:flex-start;flex-direction:column;padding:20px}.daily-actions{max-width:100%;align-items:flex-start}.translate-head h1{font-size:52px}.translate-head p{font-size:13px}.translate-columns{grid-template-columns:1fr}.translate-input-side{border-right:0;border-bottom:1px solid var(--line)}.translate-input-side,.translate-output-side{min-height:195px}.translate-input-side textarea,.translation-output{min-height:145px;padding:19px;font-size:20px}.translation-bottom{padding:10px 17px}.translate-label-row{padding:10px 16px;grid-template-columns:1fr 50px 1fr}.translate-bar{padding:0 17px}.translate-bar .translator-mode{font-size:8px}.match-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.match-card{min-height:120px;padding:14px}.match-card strong{font-size:17px}.match-toolbar{gap:20px;padding:16px}.match-toolbar strong{font-size:23px}.match-toolbar button{padding:9px 11px}.footer{padding:18px}.references{word-break:break-word}}
@media(prefers-reduced-motion:reduce){.cine-hero,.tile-art,.poster-content,.match-card{transition:none!important}}

.category-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:5px 0 17px}.category-toolbar .field{min-width:220px;max-width:100%;cursor:pointer}@media(max-width:660px){.category-toolbar{align-items:flex-start;flex-direction:column;gap:10px}.category-toolbar .field{width:100%}}