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var(--line);border-radius:24px;background:var(--white)}.content-card.accent{border-color:var(--ink);background:var(--yellow)}.content-card.green{background:var(--green);color:var(--white)}.content-card.green li,.content-card.green p{color:rgba(255,255,255,.78)}.content-card h2,.content-card h3{margin:0;font-size:1.35rem;line-height:1.15}.content-card li,.content-card p{color:var(--muted);line-height:1.55}.content-card p:last-child{margin-bottom:0}.form-shell{display:grid;gap:18px;max-width:520px;padding:30px;border:2px solid var(--ink);border-radius:28px;background:var(--white);box-shadow:var(--shadow)}.field{display:grid;gap:8px}.field label{font-weight:900}.field input,.field select,.field textarea{width:100%;min-height:52px;border:1px solid var(--line);border-radius:16px;background:var(--soft);color:var(--ink);padding:0 16px}.field textarea{min-height:120px;padding:14px 16px;resize:vertical}.form-note{color:var(--muted);font-size:.95rem;line-height:1.45}.form-status{padding:14px 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strong{display:block}.exercise-chevron{align-self:center;color:var(--muted);font-weight:900;font-size:1.1rem}.exercise-list small{display:block;color:var(--muted);line-height:1.4}.quiz-bar{height:12px;overflow:hidden;border-radius:999px;background:var(--line)}.quiz-bar span{display:block;height:100%;border-radius:inherit;background:var(--green)}.quiz-full{display:grid;grid-template-rows:auto 1fr auto;min-height:100vh;background:#f7f8f6}.quiz-lesson-header{display:grid;grid-template-columns:48px 1fr auto;gap:18px;align-items:center;width:min(980px,calc(100% - 36px));margin:0 auto;padding:24px 0}.quiz-lesson-header a{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--white);color:var(--muted);font-size:2rem;font-weight:800}.quiz-stage{display:flex;flex-direction:column;justify-content:center;width:min(880px,calc(100% - 36px));margin:0 auto;padding:28px 0 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ease}.quiz-choice.selected,.quiz-choice:hover:not(:disabled){border-color:var(--green);transform:translateY(-2px)}.quiz-choice.correct{border-color:var(--green);background:rgba(14,118,97,.12)}.quiz-choice.wrong{border-color:#d84a3a;background:#ffe1df}.quiz-order{margin-top:34px}.quiz-order-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;min-height:76px;padding:16px;border-bottom:2px dashed var(--line);border-radius:18px 18px 0 0;background:rgba(255,255,255,.6)}.quiz-order-hint{color:var(--muted);font-weight:800}.quiz-token-bank{display:flex;flex-wrap:wrap;gap:10px;padding:20px 16px 0}.quiz-token{padding:12px 18px;border:2px solid var(--line);border-radius:14px;background:var(--white);color:var(--ink);cursor:pointer;font-size:1.05rem;font-weight:900;transition:border .16s ease,transform .16s ease,opacity .16s ease}.quiz-token:hover:not(:disabled){border-color:var(--green);transform:translateY(-2px)}.quiz-token:disabled{opacity:.3;cursor:default}.quiz-token.is-placed{border-color:var(--green);opacity:1}.quiz-pairs{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:34px}.quiz-pair-column{display:grid;align-content:start;gap:12px}.quiz-pair-column .quiz-choice{min-height:64px;padding:14px;font-size:1.05rem}.quiz-pair-column .quiz-choice.correct:disabled{opacity:.55}.quiz-footer{position:fixed;right:0;bottom:0;left:0;display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;min-height:96px;padding:18px max(24px,calc((100vw - 980px) / 2));border-top:1px solid var(--line);background:rgba(255,255,255,.92);backdrop-filter:blur(18px)}.quiz-footer.correct{background:rgba(231,248,239,.94)}.quiz-footer.wrong{background:rgba(255,238,236,.95)}.quiz-footer span,.quiz-footer strong{display:block}.quiz-footer span{color:var(--muted)}.quiz-footer .button:disabled{cursor:not-allowed;opacity:.45;transform:none}.quiz-summary{display:grid;place-content:center;width:min(960px,calc(100% - 36px));min-height:100vh;margin:0 auto;padding:48px 0}.summary-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}.summary-stats article{padding:22px;border-radius:22px;background:var(--white);box-shadow:0 12px 38px rgba(16,20,25,.06)}.summary-stats strong{display:block;font-size:2.4rem}.summary-stats span{color:var(--muted);font-weight:800}.quiz-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.platform-panel{min-height:260px;padding:22px;border-radius:24px;box-shadow:0 12px 38px rgba(16,20,25,.06)}.platform-panel.large{grid-column:span 2}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.panel-head h2,.platform-panel h2{margin:0;font-size:1.3rem}.panel-head button{background:var(--soft)}.capture-list,.lesson-stack,.word-list{display:grid;gap:12px}.word-row{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;padding:15px;border-radius:18px;background:var(--soft)}.capture-list strong,.mini-lesson strong,.word-row strong{display:block}.capture-list span,.mini-lesson small,.word-row span{display:block;color:var(--muted);line-height:1.35}.word-row small{display:block;margin-top:6px;color:var(--green);font-weight:800}.word-row em{border-radius:999px;background:var(--yellow);color:var(--ink);font-style:normal;font-weight:900;padding:8px 10px}.word-score{display:flex;align-items:center;gap:12px;min-width:148px}.word-score-track{position:relative;flex:1;height:8px;border-radius:999px;background:rgba(16,20,25,.1);overflow:hidden}.word-score-fill{position:absolute;inset:0 auto 0 0;border-radius:999px;background:var(--green)}.word-score[data-level=weak] .word-score-fill{background:#e0603a}.word-score[data-level=steady] .word-score-fill{background:var(--yellow)}.word-score em{min-width:2.4ch;font-style:normal;font-weight:900;font-size:.95rem;text-align:right;color:var(--ink)}.saved-words{margin-top:18px}.saved-tabs{display:flex;gap:8px;margin-bottom:16px;border-bottom:1px solid var(--line)}.saved-tab{display:inline-flex;align-items:center;gap:8px;padding:12px 6px;margin-bottom:-1px;border:0;border-bottom:3px solid transparent;background:transparent;color:var(--muted);font-weight:850;font-size:1rem;cursor:pointer;transition:color .16s ease,border-color .16s ease}.saved-tab:hover{color:var(--ink)}.saved-tab.is-active{color:var(--ink);border-bottom-color:var(--green)}.saved-tab-count{padding:2px 9px;border-radius:999px;background:var(--soft);color:var(--muted);font-size:.78rem;font-weight:800}.saved-tab.is-active 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span.is-active{color:var(--ink);background:var(--yellow)}.signup-preview-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}.signup-preview-head strong{font-size:1.1rem;font-weight:900}.signup-preview-head span{color:rgba(255,255,255,.7);font-size:.85rem;font-weight:700}.signup-preview-list{display:grid;gap:8px;margin:0;padding:0;list-style:none}.signup-preview-list li{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:var(--white);color:var(--ink)}.signup-preview-dot{width:10px;height:10px;border-radius:50%;background:var(--green);flex-shrink:0}.signup-preview-list strong{flex:1;font-weight:850}.signup-preview-list em{font-style:normal;font-size:.78rem;font-weight:800;color:var(--muted);padding:4px 10px;border-radius:999px;background:var(--surface,rgba(16,20,25,.06))}.signup-aside-foot{margin:0;color:rgba(255,255,255,.72);font-size:.9rem;font-weight:700}.signup-main{display:flex;flex-direction:column;padding:40px clamp(28px,6vw,88px)}.signup-topbar{display:flex;align-items:center;justify-content:space-between;gap:20px}.signup-progress{display:flex;gap:10px}.signup-dot{width:44px;height:6px;border-radius:999px;background:var(--line);transition:background .22s ease}.signup-dot.is-active{background:var(--green)}.signup-exit{color:var(--muted);font-weight:800;font-size:.95rem}.signup-exit:hover{color:var(--ink)}.signup-stage{display:flex;flex-direction:column;justify-content:center;flex:1;padding:40px 0}.signup-step{width:min(520px,100%);animation:auth-pop .24s ease}.signup-step-eyebrow{display:inline-block;margin-bottom:14px;color:var(--green);font-weight:900;font-size:.85rem;letter-spacing:.04em;text-transform:uppercase}.signup-step-title{margin:0 0 10px;font-size:clamp(1.8rem,3.4vw,2.5rem);line-height:1.1;font-weight:950}.signup-step-sub{margin:0 0 28px;color:var(--muted);line-height:1.5}.signup-field{gap:10px}.signup-field input{min-height:60px;font-size:1.1rem}.oauth-button{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;min-height:58px;border:2px solid var(--ink);border-radius:16px;background:var(--white);color:var(--ink);font-weight:850;font-size:1rem;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease}.oauth-button:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(16,20,25,.14)}.oauth-icon{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--ink);color:var(--yellow);font-weight:950;font-size:.95rem}.signup-divider{display:flex;align-items:center;gap:14px;margin:20px 0;color:var(--muted);font-size:.9rem;font-weight:700}.signup-divider:after,.signup-divider:before{content:"";flex:1;height:1px;background:var(--line)}.choice-grid{display:grid;gap:12px}.choice-grid-compact{grid-template-columns:repeat(2,minmax(0,1fr))}.choice-card{display:flex;align-items:center;gap:16px;padding:18px 20px;border:2px solid var(--line);border-radius:20px;background:var(--white);text-align:left;cursor:pointer;transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease}.choice-card:hover{transform:translateY(-2px);border-color:var(--ink)}.choice-card.is-selected{border-color:var(--green);box-shadow:0 0 0 4px rgba(14,118,97,.14)}.choice-card-compact{padding:16px 18px}.choice-emoji{font-size:1.7rem;line-height:1}.choice-flag{display:flex;align-items:center;flex-shrink:0}.choice-flag svg{width:34px;height:auto;border-radius:4px;box-shadow:0 0 0 1px rgba(16,20,25,.08)}.choice-body{display:grid;gap:3px}.choice-body strong{font-size:1.05rem;font-weight:900}.choice-body small{color:var(--muted);font-size:.88rem;line-height:1.35}.signup-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:24px;border-top:1px solid var(--line)}.signup-actions .button{min-height:52px}.button:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}.signup-done-mark{display:grid;place-items:center;width:72px;height:72px;margin-bottom:24px;border-radius:50%;background:var(--green);color:var(--white);font-size:2.2rem;font-weight:900}@media (max-width:860px){.signup-screen{grid-template-columns:1fr}.signup-aside{gap:24px;padding:32px 28px}.signup-aside-body{margin-top:0}.signup-aside-copy{margin-bottom:20px}.signup-preview{display:none}.signup-main{padding:28px 24px 36px}.choice-grid-compact{grid-template-columns:1fr}}