.language-ribbon{position:sticky;top:72px;z-index:48;border-bottom:1px solid rgba(255,255,255,.07);background:rgba(8,11,18,.88);backdrop-filter:blur(18px)}
.language-ribbon-in{min-height:58px;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}.language-ribbon-in::-webkit-scrollbar{display:none}
.language-label{flex:0 0 auto;color:#718096;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-right:3px}
.language-pill{flex:0 0 auto;display:flex;align-items:center;gap:8px;border:1px solid #283247;background:#101725;color:#aeb8ca;border-radius:13px;padding:9px 13px;font-size:.79rem;font-weight:800;cursor:pointer;transition:.2s}
.language-pill .flag{display:grid;place-items:center;width:25px;height:25px;border-radius:8px;background:#1d2637;font-size:.86rem}.language-pill:hover{border-color:#56627a;color:white}.language-pill.active{color:#fff;border-color:#7c5fd3;background:linear-gradient(135deg,rgba(124,58,237,.33),rgba(21,29,46,.96));box-shadow:0 8px 26px rgba(109,40,217,.18)}
.language-pill.soon{opacity:.52;cursor:not-allowed}.language-pill.soon small{font-size:.58rem;color:#93a0b5;margin-left:2px}
.kana-sound{cursor:pointer}.kana-sound small{position:absolute;right:-18px;top:-10px;display:grid;place-items:center;width:24px;height:24px;border:1px solid #4c5870;border-radius:50%;background:#111827;color:#a78bfa;font:800 .65rem/1 Manrope,sans-serif}.kana-sound:focus-visible{outline:3px solid var(--cyan);outline-offset:7px;border-radius:12px}
body.ml-active .topbar .nav{display:none}body.ml-active>main:not(#multiLanguageApp){display:none!important}
#multiLanguageApp{min-height:70vh;padding:28px 0 110px}#multiLanguageApp[hidden]{display:none}
.ml-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:22px;margin-bottom:20px;padding:clamp(22px,4vw,38px);border:1px solid #2b354a;border-radius:28px;background:radial-gradient(circle at 90% 0,var(--ml-glow),transparent 42%),linear-gradient(145deg,#141b2b,#0b101a);box-shadow:0 28px 80px rgba(0,0,0,.28)}
.ml-hero:after{content:attr(data-mark);position:absolute;right:-.03em;bottom:-.32em;font-size:clamp(8rem,21vw,15rem);font-weight:900;line-height:1;color:rgba(255,255,255,.035);pointer-events:none}.ml-eyebrow{color:var(--ml-accent);font-size:.74rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.ml-hero h1{position:relative;z-index:1;margin:6px 0 7px;font-size:clamp(2.2rem,6vw,4.8rem);line-height:1;letter-spacing:-.055em}.ml-hero p{position:relative;z-index:1;max-width:690px;margin:0;color:#aab5c8;font-size:.94rem}.ml-stats{position:relative;z-index:1;display:flex;gap:8px}.ml-stat{min-width:105px;border:1px solid rgba(255,255,255,.1);border-radius:17px;background:rgba(7,11,18,.62);padding:12px 14px}.ml-stat span{display:block;color:#8490a5;font-size:.68rem}.ml-stat b{display:block;margin-top:2px;font-size:1.15rem}
.ml-tabs{display:flex;gap:7px;margin-bottom:22px;padding:5px;border:1px solid #283247;border-radius:16px;background:#0d1421}.ml-tab{flex:1;border:0;border-radius:11px;background:transparent;color:#8e9aae;padding:11px 12px;font-size:.8rem;font-weight:800;cursor:pointer}.ml-tab.active{color:white;background:linear-gradient(135deg,var(--ml-deep),#252d40);box-shadow:0 8px 22px rgba(0,0,0,.22)}
.ml-panel{display:none;animation:mlIn .28s ease}.ml-panel.active{display:block}@keyframes mlIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.ml-section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:0 0 18px}.ml-section-head h2{margin:0;font-size:clamp(1.55rem,4vw,2.5rem);letter-spacing:-.035em}.ml-section-head p{max-width:620px;margin:5px 0 0;color:#94a1b6;font-size:.86rem}.ml-progress{flex:0 0 170px}.ml-progress-top{display:flex;justify-content:space-between;color:#8996aa;font-size:.72rem;font-weight:700}.ml-progress-line{height:6px;margin-top:7px;overflow:hidden;border-radius:99px;background:#20293a}.ml-progress-line i{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--ml-accent),#22d3ee);transition:.3s}
.ml-callout{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px}.ml-tip{border:1px solid #283247;border-radius:17px;background:#0f1624;padding:15px}.ml-tip b{display:block;font-size:.85rem}.ml-tip p{margin:5px 0 0;color:#8f9cb0;font-size:.76rem}.ml-tip.accent{border-color:color-mix(in srgb,var(--ml-accent) 42%,#283247);background:linear-gradient(135deg,color-mix(in srgb,var(--ml-accent) 15%,#0f1624),#0f1624)}
.ml-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px}.ml-chips{display:flex;gap:7px;overflow:auto;scrollbar-width:none}.ml-chips::-webkit-scrollbar{display:none}.ml-chip{flex:0 0 auto;border:1px solid #293349;border-radius:99px;background:#101725;color:#929fb3;padding:8px 12px;font-size:.74rem;font-weight:800;cursor:pointer}.ml-chip.active{border-color:var(--ml-accent);background:color-mix(in srgb,var(--ml-accent) 18%,#101725);color:white}.ml-search{min-width:230px;border:1px solid #303b52;border-radius:12px;background:#0b111c;color:white;padding:10px 12px;outline:none}.ml-search:focus{border-color:var(--ml-accent)}
.ml-card-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.ml-card{position:relative;min-height:180px;perspective:900px;cursor:pointer;outline:none}.ml-card-inner{position:absolute;inset:0;transform-style:preserve-3d;transition:.55s cubic-bezier(.2,.75,.2,1)}.ml-card.flipped .ml-card-inner{transform:rotateY(180deg)}.ml-card-face{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;overflow:hidden;border:1px solid #293349;border-radius:20px;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:linear-gradient(145deg,#171f30,#0d131f)}.ml-card-face:before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:50% 50%}.ml-card-back{transform:rotateY(180deg);padding:15px;border-color:color-mix(in srgb,var(--ml-accent) 45%,#293349);background:radial-gradient(circle at 50% 0,color-mix(in srgb,var(--ml-accent) 28%,transparent),transparent 65%),#101624}.ml-symbol{position:relative;display:grid;justify-items:center;gap:10px;border:0;background:transparent;color:white;font-size:clamp(3.3rem,7vw,5.2rem);font-weight:900;line-height:1;cursor:pointer}.ml-symbol small{display:block;border:1px solid #3d4961;border-radius:99px;background:rgba(10,15,25,.72);color:#9eabc0;padding:6px 9px;font-size:.62rem;line-height:1;font-weight:800}.ml-symbol:hover small,.ml-symbol:focus-visible small{border-color:var(--ml-accent);color:white}.ml-symbol:focus-visible{outline:2px solid var(--ml-accent);outline-offset:7px;border-radius:12px}.ml-card-back strong{font-size:1.1rem}.ml-card-back span{margin-top:4px;color:#9eabc0;font-size:.75rem}.ml-card-label{position:absolute;top:12px;left:12px;color:#748197;font-size:.62rem;font-weight:800;text-transform:uppercase}.ml-known-dot{position:absolute;top:13px;right:13px;width:8px;height:8px;border-radius:50%;background:#384358}.ml-card.mastered .ml-known-dot{background:#34d399;box-shadow:0 0 12px #34d399}.ml-card-actions{display:flex;gap:6px;margin-top:12px}.ml-mini-btn{border:1px solid #44516a;border-radius:9px;background:#182133;padding:7px 9px;font-size:.66rem;font-weight:800;cursor:pointer}.ml-mini-btn.primary{border-color:var(--ml-accent);background:color-mix(in srgb,var(--ml-accent) 22%,#182133)}
.ml-word-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.ml-word{position:relative;overflow:hidden;border:1px solid #293349;border-radius:19px;background:linear-gradient(145deg,#151d2c,#0c121d);padding:18px}.ml-word:before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:linear-gradient(var(--ml-accent),#22d3ee)}.ml-word-top{display:flex;align-items:start;justify-content:space-between;gap:10px}.ml-word-term{font-size:1.55rem;font-weight:900}.ml-word-reading{color:var(--ml-accent);font-size:.76rem;font-weight:800}.ml-speak{flex:0 0 auto;display:grid;place-items:center;width:34px;height:34px;border:1px solid #3a455c;border-radius:10px;background:#141d2d;cursor:pointer}.ml-speak:hover{border-color:var(--ml-accent)}.ml-word-mn{margin:10px 0 8px;font-weight:800}.ml-word-example{padding-top:9px;border-top:1px solid #263044;color:#cbd3df;font-size:.78rem}.ml-word-example small{display:block;margin-top:3px;color:#7f8ca1;font-size:.72rem}
.jp-word-speak{position:absolute;z-index:1;top:14px;right:14px;border:1px solid #55427a;border-radius:10px;background:#171124;color:#e9ddff;padding:7px 9px;font-size:.68rem;font-weight:800;cursor:pointer}.jp-word-speak:hover{background:#281b42}.word-card:has(.jp-word-speak){padding-right:94px}
.ml-grammar-guide{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:16px}.ml-grammar-guide>div{display:flex;align-items:center;gap:10px;border:1px solid #2b354a;border-radius:15px;background:#0f1624;padding:12px}.ml-grammar-guide b{display:grid;place-items:center;flex:0 0 30px;height:30px;border-radius:9px;background:color-mix(in srgb,var(--ml-accent) 18%,#172033);color:var(--ml-accent)}.ml-grammar-guide span{color:#8794a8;font-size:.72rem}.ml-grammar-guide strong{display:block;color:white;font-size:.78rem}.ml-grammar-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.ml-grammar{border:1px solid #2a354a;border-radius:20px;background:#0f1624;padding:18px}.ml-grammar-title{display:flex;align-items:center;gap:10px;margin-bottom:14px}.ml-grammar-title h3{margin:0;font-size:1.06rem}.ml-grammar-num{display:inline-grid;place-items:center;flex:0 0 32px;height:32px;border-radius:9px;background:color-mix(in srgb,var(--ml-accent) 18%,#172033);color:var(--ml-accent);font-size:.72rem;font-weight:900}.ml-rule-block{margin-top:9px;border-left:2px solid #334057;padding:2px 0 2px 11px}.ml-rule-block>b{display:block;margin-bottom:3px;color:#dce4ef;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em}.ml-rule-block p{margin:0;color:#9aa7ba;font-size:.8rem}.ml-rule-block.formula{border:1px solid #303b51;border-left:3px solid var(--ml-accent);border-radius:11px;background:#090f18;padding:10px 11px}.ml-rule-block code{color:#e5edf7;font-family:Manrope,sans-serif;font-size:.8rem;font-weight:800}.ml-rule-block.example{position:relative;padding-right:90px}.ml-rule-speak{position:absolute;right:0;top:0;border:1px solid #3a465e;border-radius:9px;background:#172033;color:#cbd5e3;padding:6px 8px;font-size:.65rem;font-weight:800;cursor:pointer}.ml-rule-speak:hover{border-color:var(--ml-accent);color:white}
.ml-quiz-layout{display:grid;grid-template-columns:240px 1fr;gap:14px}.ml-quiz-modes{display:grid;gap:8px;align-content:start}.ml-mode{border:1px solid #2b354b;border-radius:15px;background:#101725;text-align:left;padding:14px;cursor:pointer}.ml-mode.active{border-color:var(--ml-accent);background:color-mix(in srgb,var(--ml-accent) 15%,#101725)}.ml-mode b{display:block;font-size:.82rem}.ml-mode span{color:#8290a5;font-size:.7rem}.ml-quiz{min-height:430px;border:1px solid #2a354a;border-radius:24px;background:radial-gradient(circle at 90% 0,var(--ml-glow),transparent 36%),linear-gradient(145deg,#121a29,#0b101a);padding:clamp(20px,5vw,42px)}.ml-quiz-meta{display:flex;justify-content:space-between;color:#8491a5;font-size:.73rem;font-weight:800}.ml-question{text-align:center;margin:42px 0 23px}.ml-question strong{display:block;font-size:clamp(2.7rem,9vw,5.7rem);line-height:1.05}.ml-question p{margin:14px 0 0;color:#a6b1c3}.ml-options{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;max-width:600px;margin:auto}.ml-option{border:1px solid #354057;border-radius:13px;background:#172032;padding:13px;font-weight:800;cursor:pointer}.ml-option.correct{border-color:#34d399;background:rgba(52,211,153,.16);color:#9bf3d4}.ml-option.wrong{border-color:#fb7185;background:rgba(251,113,133,.14);color:#ffb6c2}.ml-answer{display:flex;gap:8px;max-width:540px;margin:auto}.ml-answer input{flex:1;min-width:0;border:1px solid #354057;border-radius:13px;background:#090f18;color:white;padding:13px 15px;outline:none;text-align:center}.ml-answer button,.ml-listen-big{border:0;border-radius:13px;background:linear-gradient(135deg,var(--ml-accent),var(--ml-deep));padding:13px 18px;font-weight:900;cursor:pointer}.ml-listen-big{display:block;margin:0 auto 18px}.ml-feedback{height:26px;margin-top:12px;text-align:center;color:#b3bfd0;font-size:.8rem}
.ml-write-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:16px;background:rgba(2,5,10,.78);backdrop-filter:blur(12px)}.ml-write-modal[hidden]{display:none}.ml-write-box{width:min(520px,100%);border:1px solid #39455d;border-radius:26px;background:#101725;padding:20px;box-shadow:0 30px 90px rgba(0,0,0,.55)}.ml-write-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.ml-write-head h2{margin:0;font-size:1.1rem}.ml-close{border:1px solid #3a455c;border-radius:10px;background:#182133;padding:7px 10px;cursor:pointer}.ml-canvas-wrap{position:relative;aspect-ratio:1;margin:15px auto;max-width:390px;border:1px solid #3b465d;border-radius:20px;overflow:hidden;background:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px),#090e17;background-size:50% 50%}.ml-canvas-ghost{position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.1);font-size:clamp(9rem,45vw,16rem);font-weight:900;line-height:1;pointer-events:none}.ml-canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}.ml-write-actions{display:flex;gap:8px}.ml-write-actions button{flex:1;border:1px solid #3b465d;border-radius:12px;background:#182133;padding:10px;font-weight:800;cursor:pointer}.ml-write-actions .primary{border-color:var(--ml-accent);background:color-mix(in srgb,var(--ml-accent) 24%,#182133)}
.ml-vocab-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:-8px 0 16px}.ml-vocab-summary span{display:flex;align-items:center;gap:9px;border:1px solid #2b354a;border-radius:14px;background:#101725;padding:11px 13px;color:#96a3b8;font-size:.76rem;font-weight:700}.ml-vocab-summary b{color:#e8f5ff;font-size:1.05rem}.ml-word.compact{min-height:132px}.ml-load-more{display:flex;align-items:center;justify-content:center;gap:10px;width:min(420px,100%);margin:20px auto 0;border:1px solid #36516c;border-radius:14px;background:#101d2c;color:#d9efff;padding:13px;font-weight:900;cursor:pointer}.ml-load-more span{color:#7dd3fc;font-size:.72rem}.ml-list-end{text-align:center;color:#75839a;margin-top:18px;font-size:.76rem}.ielts-clock{min-width:150px;border:1px solid #36516c;border-radius:16px;background:#101b29;padding:10px 14px;text-align:right}.ielts-clock span{display:block;color:#8492a7;font-size:.65rem;font-weight:800;text-transform:uppercase}.ielts-clock b{font-size:1.35rem;color:#7dd3fc}.ielts-notice{display:flex;gap:10px;align-items:center;border:1px solid #6a4a20;border-radius:14px;background:rgba(245,158,11,.08);padding:11px 14px;color:#b6c0cf;font-size:.78rem}.ielts-notice b{color:#fbbf24;white-space:nowrap}.ielts-passage{margin:14px 0;border:1px solid #2e3b51;border-radius:21px;background:linear-gradient(145deg,#141c2a,#0c121c);padding:clamp(18px,4vw,28px)}.ielts-passage h3{font-size:1.3rem;margin:6px 0 10px}.ielts-passage p{color:#c2ccd9;line-height:1.85;margin:0}.ielts-start,.ielts-finish{display:block;width:min(440px,100%);margin:18px auto;border:0;border-radius:14px;background:linear-gradient(135deg,#0ea5e9,#0369a1);padding:14px;color:white;font-weight:900;cursor:pointer}.ielts-question{margin:12px 0;border:1px solid #29354a;border-radius:19px;background:#0f1623;padding:18px}.ielts-qtop{display:flex;justify-content:space-between;color:#78879c;font-size:.68rem;font-weight:900;text-transform:uppercase}.ielts-qtop span{color:#38bdf8}.ielts-question h3{font-size:1rem;margin:10px 0 13px}.ielts-options{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.ielts-option{display:flex;align-items:center;gap:9px;border:1px solid #324058;border-radius:12px;background:#151f30;padding:11px;text-align:left;color:#dce5ef;font-weight:700;cursor:pointer}.ielts-option i{display:grid;place-items:center;width:25px;height:25px;flex:0 0 25px;border-radius:7px;background:#26344b;font-style:normal;font-size:.68rem}.ielts-option.selected{border-color:#38bdf8;background:rgba(14,165,233,.12)}.ielts-option.correct{border-color:#34d399;background:rgba(52,211,153,.12)}.ielts-option.wrong{border-color:#fb7185;background:rgba(251,113,133,.12)}.ielts-explain{margin:10px 0 0;color:#9ee7cd;font-size:.76rem}.ielts-result{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px;border:1px solid #356177;border-radius:20px;background:rgba(14,165,233,.08);padding:18px}.ielts-result div{display:flex;flex-direction:column}.ielts-result span{color:#8da0b7;font-size:.72rem}.ielts-result strong{font-size:1.45rem}.ielts-result p{grid-column:1/-1;margin:4px 0 0;color:#8da0b7;font-size:.75rem}
@media(max-width:980px){.ml-card-grid{grid-template-columns:repeat(4,1fr)}.ml-word-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){.language-ribbon{top:calc(60px + env(safe-area-inset-top))}.language-ribbon-in{min-height:52px;margin:0;width:100%;padding:0 12px}.language-label{display:none}.language-pill{padding:7px 10px;font-size:.7rem}.language-pill .flag{width:23px;height:23px}.language-pill.soon small{display:none}#multiLanguageApp{padding:18px 0 calc(94px + env(safe-area-inset-bottom))}.ml-hero{display:block;border-radius:21px;padding:20px 16px}.ml-hero h1{font-size:2.25rem}.ml-hero p{font-size:.82rem}.ml-stats{margin-top:16px}.ml-stat{flex:1;min-width:0;padding:10px}.ml-tabs{position:fixed;z-index:61;left:10px;right:10px;bottom:max(10px,env(safe-area-inset-bottom));height:64px;margin:0;border-radius:19px;background:rgba(14,19,32,.96);box-shadow:0 16px 50px rgba(0,0,0,.55);backdrop-filter:blur(18px)}.ml-tab{display:flex;align-items:center;justify-content:center;padding:5px;font-size:.68rem}.ml-section-head{display:block}.ml-progress{margin-top:13px;max-width:none}.ml-callout{grid-template-columns:1fr;gap:8px}.ml-tip{padding:13px}.ml-tools{display:block}.ml-search{width:100%;min-width:0;margin-top:9px}.ml-chips{margin:0 -12px;padding:0 12px}.ml-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.ml-card{min-height:166px}.ml-symbol{font-size:3.8rem}.ml-symbol small{font-size:.57rem}.ml-word-grid,.ml-grammar-grid,.ml-grammar-guide{grid-template-columns:1fr}.ml-grammar-guide{gap:7px}.ml-grammar-guide>div{padding:9px 11px}.ml-word{padding:16px}.ml-quiz-layout{grid-template-columns:1fr}.ml-quiz-modes{grid-template-columns:repeat(2,1fr)}.ml-mode{padding:10px;text-align:center}.ml-mode span{display:none}.ml-quiz{min-height:420px;padding:18px 12px}.ml-options{grid-template-columns:1fr}.ml-answer{flex-direction:column}.ml-question{margin-top:32px}.ml-write-box{padding:16px;border-radius:22px}}
@media(max-width:650px){.ml-tabs.has-ielts .ml-tab{font-size:.59rem}.ml-vocab-summary{grid-template-columns:1fr 1fr}.ml-vocab-summary span:last-child{grid-column:1/-1}.ielts-clock{margin-top:12px;text-align:left}.ielts-notice{align-items:flex-start;flex-direction:column;gap:3px}.ielts-options{grid-template-columns:1fr}.ielts-question{padding:14px}.ielts-result{grid-template-columns:1fr}.ielts-result p{grid-column:1}.ielts-passage p{font-size:.86rem}}
@media(max-width:370px){.language-pill{padding:7px 8px}.language-pill .flag{display:none}.ml-card-grid{grid-template-columns:1fr}.ml-card{min-height:174px}}