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var(--color-border-subtle,#e5e8ee);background:var(--color-bg-app,#fff);width:36px;height:36px;color:var(--color-ink-secondary,#4b5563);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;font-size:24px;line-height:1;transition:background .15s,color .15s,border-color .15s;display:inline-flex;position:absolute;top:20px;right:20px}.modal-x:hover{background:var(--color-bg-subtle,#f8f9fa);color:var(--color-ink-primary,#0b0d12);border-color:var(--color-border-default,#d1d5db)}.modal .eyebrow{letter-spacing:.08em;text-transform:uppercase;color:#7c3aed;margin:0;font-size:12px;font-weight:800}.modal .mtitle{letter-spacing:-.02em;color:var(--color-ink-primary,#0b0d12);margin:8px 0 6px;font-family:inherit;font-size:24px;font-weight:800}.modal .msub{color:var(--color-ink-secondary,#4b5563);max-width:52ch;margin:0 0 20px;font-size:14px;line-height:1.5}.modal .row-label{color:var(--color-ink-primary,#0b0d12);margin:0;font-size:15px;font-weight:700}.modal 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.toggle[aria-checked=true]{background:#7c3aed}.modal .toggle[aria-checked=true]:after{transform:translate(22px)}.modal .callout{border-left:3px solid var(--color-lang-purple,#7c52d4);color:var(--color-ink-secondary,#4b5563);background:#f8f6ff;border-radius:6px;margin:20px 0 0;padding:12px 16px;font-size:13px;line-height:1.5}.modal .cta{border-radius:var(--r-btn,8px);color:#fff;cursor:pointer;background:#7c3aed;border:0;justify-content:center;align-items:center;min-height:42px;padding:0 24px;font-size:14px;font-weight:700;transition:opacity .15s,transform .1s;display:inline-flex}.modal .cta:hover{opacity:.92}.modal .cta:active{transform:scale(.98)}.modal .btn-outline{border-radius:var(--r-btn,8px);border:1px solid var(--color-border-default,#d1d5db);background:var(--color-bg-app,#fff);min-height:42px;color:var(--color-ink-primary,#0b0d12);cursor:pointer;justify-content:center;align-items:center;padding:0 20px;font-size:14px;font-weight:600;transition:background .15s,border-color .15s;display:inline-flex}.modal .btn-outline:hover{background:var(--color-bg-subtle,#f8f9fa);border-color:var(--color-ink-secondary,#4b5563)}.modal .link-purple{color:#7c3aed;cursor:pointer;font-weight:600;text-decoration:underline}.modal .link-purple:hover{opacity:.85}.modal .htp-head{align-items:flex-start;gap:16px;margin-bottom:20px;display:flex}.modal .htp-art{flex:none;justify-content:center;align-items:center;width:140px;display:flex}.modal .htp-list{flex-direction:column;gap:12px;display:flex}.modal .htp-item{border:1px solid var(--color-border-subtle,#e5e8ee);border-radius:var(--r-btn,8px);background:var(--color-bg-app,#fff);gap:14px;padding:14px;display:flex}.modal .htp-num{color:#7c3aed;background:#7c3aed1f;border-radius:6px;flex:none;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:800;display:inline-flex}.modal .htp-item h4{color:var(--color-ink-primary,#0b0d12);margin:0 0 4px;font-size:14px;font-weight:700}.modal .htp-item p{color:var(--color-ink-secondary,#4b5563);margin:0;font-size:13px;line-height:1.45}.modal .htp-chips{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.modal .htp-chip{border:1px solid var(--color-border-default,#d1d5db);background:var(--color-bg-app,#fff);color:var(--color-ink-secondary,#4b5563);border-radius:6px;padding:4px 10px;font-size:12px;font-weight:500}.modal-grab{background:#e5e7eb;border-radius:2px;width:48px;height:4px;margin:16px auto 0;display:block}.modal .row{border-bottom:1px solid var(--color-border-subtle,#e5e8ee);justify-content:space-between;align-items:center;gap:16px;padding:20px 0;display:flex}.modal .row:first-of-type{border-top:1px solid var(--color-border-subtle,#e5e8ee)}.modal .row:last-of-type{border-bottom:none}@media (width<=768px){#scrim-settings{align-items:flex-end;padding:0}#scrim-settings .modal{width:100%;max-height:90dvh;padding-bottom:env(safe-area-inset-bottom);border:none;border-top:1px solid var(--color-border-subtle,#e5e8ee);border-radius:24px 24px 0 0;margin:0}}@media (width>=769px){#scrim-settings .modal{max-width:480px!important}div:first-of-type>main:first-of-type>div#scrim-settings:nth-of-type(4)>div:first-of-type>div:nth-of-type(2),#scrim-settings .modal-scroll{padding:18px 24px 14px!important}#scrim-settings .eyebrow{margin-bottom:2px!important;font-size:11px!important}#scrim-settings .mtitle{margin:4px 0!important;font-size:20px!important}#scrim-settings .msub{max-width:44ch!important;margin:0 0 12px!important;font-size:13px!important;line-height:1.4!important}#scrim-settings .row{gap:12px!important;padding:10px 0!important}#scrim-settings .row-label{font-size:14px!important;line-height:1.25!important}#scrim-settings .row-help{max-width:32ch!important;margin:2px 0 0!important;font-size:12px!important;line-height:1.35!important}#scrim-settings .seg{border-radius:6px!important}#scrim-settings .seg-opt{min-height:32px!important;padding:0 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(width>=480px){.settings-modal-card{border-radius:24px;margin-bottom:24px}}@media (width>=768px){.settings-modal-card{border:1px solid #e2e8f0;border-radius:20px;max-width:520px;margin:auto;box-shadow:0 25px 50px -12px #0f172a40}.settings-modal-header{border-radius:20px 20px 0 0;padding:16px 24px 12px}.settings-grab-bar{display:none}.settings-close-btn{top:16px;right:20px}.settings-modal-body{padding:12px 24px 20px}}.settings-modal-header{z-index:20;background:#fff;border-bottom:1px solid #f1f5f9;padding:10px 16px;position:sticky;top:0}.settings-grab-bar{background:#cbd5e1;border-radius:9999px;width:36px;height:4px;margin:0 auto 8px}.settings-close-btn{color:#0f172a;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;padding:0;transition:background .15s,border-color 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#cbd5e1;border-radius:7px;flex-shrink:0;align-items:stretch;gap:0;padding:0;display:inline-flex;overflow:hidden}.settings-seg-btn{color:#0f172a;height:34px;font:inherit;letter-spacing:.01em;cursor:pointer;white-space:nowrap;background:#fff;border:0;border-radius:0;justify-content:center;align-items:center;padding:0 14px;font-size:12px;font-weight:600;transition:background .15s,color .15s;display:inline-flex}.settings-seg-accent .settings-seg-btn{min-width:50px;height:34px;padding:0 12px;font-size:12px}.settings-row.settings-row-stacked{flex-direction:column;align-items:stretch;gap:10px;padding:8px 0 10px}.settings-seg-speed{width:100%;display:flex}.settings-seg-speed .settings-seg-btn{letter-spacing:0;flex:1 1 0;min-width:0;height:34px;padding:0 4px;font-size:12px;font-weight:600}.settings-seg-cardmode .settings-seg-btn{letter-spacing:.015em;flex:1 1 0;min-width:78px;height:34px;padding:0 16px;font-size:12px;font-weight:600}.settings-seg-btn:not(:last-child){border-right:1px solid 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#00000026}.settings-toggle-switch[aria-checked=true]{background:#7c3aed}.settings-toggle-switch[aria-checked=true]:after{transform:translate(16px)}.mobile-hero{--color-lang-purple:#6d34d6;--color-lang-purple-hover:#5b21b6;--color-lang-purple-fg:#fff;--color-trophy-locked:#c9c9ce;--color-trophy-bronze:#a4682a;--color-trophy-silver:#7d8390;--color-trophy-gold:#a16207;--r-btn:4px;--r-card:8px;--r-chip:4px;--r-img:0;--border-hairline:1px solid var(--color-border-default,#111);--border-focus:2px solid var(--color-focus,#111);--focus-offset:2px;--shadow-none:none;--space-0:0;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--dur-fast:.12s;--dur-base:.2s;--ease:cubic-bezier(.2,.6,.2,1);--color-bg-mobile:#fff;--color-surface-mobile:#fff;--color-surface-alt-mobile:#f5f5f7;--color-text-mobile:#111;--color-text-muted-mobile:#5a5a66;--color-correct-mobile:#0f7b3a;--color-incorrect-mobile:#b42318;--color-warn-mobile:#b54708;box-sizing:border-box;background:var(--color-bg-mobile);color:var(--color-text-mobile);font-family:var(--font-ui,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif);font-size:var(--fs-body,16px);line-height:var(--lh-body,24px);-webkit-text-size-adjust:100%;flex-direction:column;width:100%;min-height:100%;display:flex}.mobile-hero *{box-sizing:border-box}.mobile-hero [hidden]{display:none!important}.mobile-hero button{font:inherit;color:inherit;cursor:pointer;background:var(--color-surface-mobile);border:none;padding:0}.mobile-hero button:focus-visible{outline:var(--border-focus);outline-offset:var(--focus-offset)}.mobile-hero .i{stroke:currentColor;stroke-width:1.5px;fill:none;stroke-linecap:round;stroke-linejoin:round;flex:none;width:20px;height:20px}.mobile-hero .i--sm{width:16px;height:16px}.mobile-hero .bar{align-items:center;gap:var(--space-2);min-height:48px;padding:0 var(--space-3);padding-top:env(safe-area-inset-top);background:var(--color-surface-mobile);border-bottom:var(--border-hairline);display:flex}.mobile-hero .iconbtn{border-radius:var(--r-btn);border:var(--border-hairline);width:44px;height:44px;transition:background var(--dur-fast) var(--ease);flex:none;justify-content:center;align-items:center;display:inline-flex;position:relative}.mobile-hero .iconbtn:hover{background:var(--color-surface-alt-mobile)}.mobile-hero .bar-title{font-size:var(--fs-h2,18px);line-height:var(--lh-h2,24px);font-weight:var(--fw-bold,700);text-overflow:ellipsis;white-space:nowrap;margin:0 auto;overflow:hidden}.mobile-hero .page{background:var(--color-bg-mobile);flex:auto;min-height:0}.mobile-hero .page-in{padding:var(--space-3) var(--space-4) calc(var(--space-6) + 32px);gap:var(--space-4);flex-direction:column;width:100%;max-width:480px;margin:0 auto;display:flex}.mobile-hero .head{gap:var(--space-2);align-items:center;display:flex}.mobile-hero .art{aspect-ratio:1;border-radius:var(--r-img);border:var(--border-hairline);background:var(--color-surface-alt-mobile);text-align:center;width:min(148px,40vw);padding:var(--space-2);color:var(--color-text-muted-mobile);font-size:var(--fs-micro,12px);line-height:var(--lh-micro,16px);flex:none;justify-content:center;align-items:center;display:flex;overflow:hidden}.mobile-hero .meta{gap:var(--space-1);flex-direction:column;min-width:0;display:flex}.mobile-hero 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.hero-card h2{font-size:var(--fs-h2,18px);line-height:var(--lh-h2,24px);font-weight:var(--fw-bold,700);margin:0}.mobile-hero .help{color:var(--color-text-muted-mobile);margin:4px 0 0;font-size:13px;line-height:18px}.mobile-hero .sizes{gap:8px;margin-top:12px;display:flex}.mobile-hero .size{border-radius:var(--r-btn);border:var(--border-hairline);min-height:44px;font-size:var(--fs-body,16px);font-weight:var(--fw-bold,700);transition:background var(--dur-fast) var(--ease);flex:1}.mobile-hero .size:hover{background:var(--color-surface-alt-mobile)}.mobile-hero .size[aria-checked=true]{background:var(--color-lang-purple);border-color:var(--color-lang-purple);color:var(--color-lang-purple-fg)}.mobile-hero .cta{border-radius:var(--r-btn);border:1px solid var(--color-lang-purple);background:var(--color-lang-purple);width:100%;min-height:48px;color:var(--color-lang-purple-fg);font-weight:var(--fw-bold,700);justify-content:center;align-items:center;gap:var(--space-2);transition:background var(--dur-fast) var(--ease);margin-top:12px;display:inline-flex}.mobile-hero .cta:hover{background:var(--color-lang-purple-hover);border-color:var(--color-lang-purple-hover)}.mobile-hero .cta[disabled]{background:var(--color-surface-alt-mobile);color:var(--color-text-muted-mobile);border-color:var(--color-trophy-locked);cursor:not-allowed}.mobile-hero .linkbtn{padding:var(--space-1) 0;color:var(--color-lang-purple);text-underline-offset:2px;background:0 0;border:0;font-size:13px;line-height:18px;text-decoration:underline}.mobile-hero .howlink{min-height:unset;color:var(--color-text-muted-mobile);align-self:center;margin-top:8px;padding:0;font-size:12px}.mobile-hero .fair{text-align:center;color:var(--color-text-muted-mobile);font-size:var(--fs-micro,12px);margin:0;max-width:280px;margin-inline:auto;padding-bottom:24px;line-height:18px}.mobile-hero 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.tile[data-state=open]:hover{background:var(--color-surface-alt-mobile)}.mobile-hero .tile .logo{border-radius:var(--r-btn);color:#94a3b8;background:0 0;border:none;justify-content:center;align-items:center;width:64px;height:64px;display:inline-flex}.mobile-hero .tile .logo svg{width:64px;height:64px}.mobile-hero .tile b{color:#1e293b;margin-top:8px;font-size:16px;font-weight:800;line-height:22px}.mobile-hero .tile span{color:#94a3b8;font-size:13px;font-weight:500;line-height:18px}.mobile-hero .tile[data-state=locked]{opacity:.8;cursor:not-allowed;background:#eef1f5}.mobile-hero .tile[data-state=locked] .logo{color:#94a3b8;background:0 0;border-color:#0000}.mobile-hero .tile[data-state=locked] b{color:var(--color-text-muted-mobile)}.mobile-hero .tile .why{border:1px solid var(--color-trophy-locked);border-radius:var(--r-chip);padding:0 var(--space-2)}.mobile-hero .mt{border:var(--border-hairline);border-radius:var(--r-card);padding:var(--space-3) 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img{filter:grayscale()}.mobile-hero .lockpip{border-radius:var(--r-chip);background:var(--color-text-mobile);width:20px;height:20px;color:var(--color-bg-mobile);border:2px solid var(--color-bg-mobile);justify-content:center;align-items:center;display:flex;position:absolute;bottom:-4px;right:-4px}.mobile-hero .mt-txt{min-width:0}.mobile-hero .mt-txt b{font-size:var(--fs-h2,18px);line-height:var(--lh-h2,24px);font-weight:var(--fw-bold,700);display:block}.mobile-hero .mt-txt span{font-size:var(--fs-micro,12px);line-height:var(--lh-micro,16px);color:var(--color-text-muted-mobile);display:block}.mobile-hero .tierchip{border:1px solid var(--color-trophy-locked);border-radius:var(--r-chip);padding:0 var(--space-2);font-size:var(--fs-micro,12px);line-height:var(--lh-small,20px);font-weight:var(--fw-medium,500);color:var(--color-text-muted-mobile);align-self:flex-start}.mobile-hero .tierchip[data-tier=bronze]{border-color:var(--color-trophy-bronze);color:var(--color-trophy-bronze)}.mobile-hero 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var(--space-3);border-radius:var(--r-chip);border:var(--border-hairline);font-size:var(--fs-small,14px);font-weight:var(--fw-medium,500);white-space:nowrap;transition:background var(--dur-fast) var(--ease);flex:none}.mobile-hero .fchip:hover{background:var(--color-surface-alt-mobile)}.mobile-hero .fchip[aria-pressed=true]{background:var(--color-lang-purple);border-color:var(--color-lang-purple);color:var(--color-lang-purple-fg)}.mobile-hero .fchip:disabled{opacity:.45;cursor:not-allowed}.mobile-hero .wtxt{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.mobile-hero .wline1{align-items:center;gap:8px;display:flex}.mobile-hero .wline2{color:var(--color-text-muted-mobile);white-space:nowrap;text-overflow:ellipsis;font-size:14px;line-height:20px;display:block;overflow:hidden}.mobile-hero .wword{font-size:18px;line-height:24px;font-weight:var(--fw-bold,700)}.mobile-hero .wpos{color:var(--color-text-muted-mobile);font-size:13px}.mobile-hero .wcefr{border:1px solid var(--color-lang-purple);color:var(--color-lang-purple);font-size:12px;line-height:18px;font-weight:var(--fw-medium,500);background:var(--color-surface-mobile);border-radius:12px;padding:0 6px}.mobile-hero .wstate{border:1px solid var(--color-trophy-locked);border-radius:var(--r-chip);padding:var(--space-1) var(--space-2);font-size:var(--fs-micro,12px);color:var(--color-text-muted-mobile);white-space:nowrap;flex:none;line-height:1}.mobile-hero .wstate[data-s=learning]{border-color:var(--color-warn-mobile);color:var(--color-warn-mobile)}.mobile-hero .wstate[data-s=known]{border-color:var(--color-correct-mobile);color:var(--color-correct-mobile)}.mobile-hero .wstate[data-s=new]{border-color:var(--color-lang-purple);color:var(--color-lang-purple)}.mobile-hero .waudio{border-radius:var(--r-btn);width:44px;height:44px;color:var(--color-text-muted-mobile);transition:background var(--dur-fast) var(--ease);background:0 0;border:1px solid #0000;flex:none;justify-content:center;align-items:center;display:inline-flex}.mobile-hero .waudio:hover,.mobile-hero .waudio[data-playing=true]{background:var(--color-surface-alt-mobile);color:var(--color-primary-mobile,#6366f1)}.mobile-hero .wempty{padding:var(--space-5) 0;color:var(--color-text-muted-mobile);font-size:var(--fs-small,14px);text-align:center}.mobile-hero .sec.is-words{padding-top:var(--space-4);margin-left:calc(var(--space-4) * -1);margin-right:calc(var(--space-4) * -1);border-top:none;display:block}.mobile-hero .w-head{padding:0 var(--space-4) var(--space-2);justify-content:space-between;align-items:baseline;display:flex}.mobile-hero .w-head h2{font-size:var(--fs-h2,18px);line-height:var(--lh-h2,24px);font-weight:var(--fw-bold,700);margin:0}.mobile-hero .w-head .w-count{color:var(--color-text-muted-mobile);font-size:13px;font-weight:500}.mobile-hero .wrow{align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-bottom:var(--border-hairline);background:var(--color-surface-mobile);display:flex}.mobile-hero .wrow:first-of-type{border-top:var(--border-hairline)}.mobile-hero .wtxt{flex:1;min-width:0}.mobile-hero .wrail{align-items:center;gap:var(--space-2);flex:none;display:flex}.mobile-hero .w-show-all{width:calc(100% - var(--space-4) * 2);margin:var(--space-4) auto 0;border-radius:var(--r-btn,8px);color:var(--color-lang-purple);text-align:center;background:0 0;border:1px solid #d5c3fb;padding:12px;font-size:14px;font-weight:600;display:block}.mobile-hero .w-show-all:active{background:var(--color-surface-alt-mobile)}.mobile-hero .scrim{z-index:200;background:#1116;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.mobile-hero .sheet{background:var(--color-surface-mobile);border-radius:var(--r-card) var(--r-card) 0 0;border-top:var(--border-hairline);width:100%;max-width:560px;max-height:88dvh;padding-bottom:env(safe-area-inset-bottom);flex-direction:column;display:flex;position:relative;overflow:hidden}.mobile-hero .grab{border-radius:var(--r-chip);background:var(--color-trophy-locked);width:40px;height:4px;margin:var(--space-2) auto;flex:none}.mobile-hero .sheet-scroll{padding:var(--space-3) var(--space-4);overflow-y:auto}.mobile-hero .sheet-foot{border-top:var(--border-hairline);padding:var(--space-3) var(--space-4);justify-content:space-between;align-items:center;gap:var(--space-2);flex:none;display:flex}.mobile-hero .sheet-foot .cta{width:auto;padding:0 var(--space-5)}.mobile-hero .sheet-x{top:var(--space-2);right:var(--space-2);z-index:1;position:absolute}.mobile-hero .mtitle{margin:var(--space-1) 0 var(--space-2);font-size:var(--fs-h1,24px);line-height:var(--lh-h1,32px);font-weight:var(--fw-bold,700)}.mobile-hero .msub{margin:0 0 var(--space-3);color:var(--color-text-muted-mobile);font-size:13px;line-height:18px}.mobile-hero .srow{justify-content:space-between;align-items:center;gap:var(--space-2);padding:var(--space-3) 0;border-top:var(--border-hairline);display:flex}.mobile-hero .srow p{margin:0}.mobile-hero .srow .lbl{font-weight:var(--fw-bold,700);font-size:var(--fs-small,14px)}.mobile-hero .srow .hint{color:var(--color-text-muted-mobile);font-size:var(--fs-micro,12px);line-height:var(--lh-micro,16px)}.mobile-hero .seg{border:var(--border-hairline);border-radius:var(--r-btn);flex:none;display:inline-flex;overflow:hidden}.mobile-hero .seg button{min-height:44px;padding:0 var(--space-3);font-size:var(--fs-small,14px);font-weight:var(--fw-medium,500);border:0}.mobile-hero .seg button+button{border-left:var(--border-hairline)}.mobile-hero .seg button[aria-checked=true]{background:var(--color-lang-purple);color:var(--color-lang-purple-fg)}.mobile-hero 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