@import "https://fonts.googleapis.com/css2?family=Baloo+2:wght@600;700;800&family=Nunito+Sans:wght@400;600;700;800&display=swap";:root{--paper:#fbf6ee;--surface:#fff;--ink:#2e2a24;--ink-muted:#5c554a;--ink-soft:#8a8174;--primary:#0e7a6c;--primary-deep:#0a5e54;--primary-soft:#e3f1ef;--highlight:#f2a41b;--success:#2f9e63;--danger:#d95d5e;--font-display:"Baloo 2", "Nunito Sans", sans-serif;--font-body:"Nunito Sans", sans-serif;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;--radius-pill:999px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--shadow-card:0 0 0 1px #2e2a240a, 0 2px 6px #2e2a240d, 0 4px 12px #2e2a2414;--shadow-lift:0 0 0 1px #2e2a240f, 0 4px 12px #2e2a2414, 0 12px 28px #2e2a2424;--panel-mint:#dfefec;--panel-mint-deep:#bcdbd6;--panel-amber:#fbe9c8;--panel-amber-deep:#eed9a7;--panel-peach:#fbe0d2;--panel-peach-deep:#f0c8b2;--content-max:960px}*{box-sizing:border-box}body{font-family:var(--font-body);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;margin:0;line-height:1.6}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.02em;margin:0}button{font-family:var(--font-body);cursor:pointer}:focus-visible{outline:3px solid var(--highlight);outline-offset:2px;border-radius:var(--radius-md)}.app{max-width:1060px;padding:var(--space-md) var(--space-lg) var(--space-xl);margin:0 auto}.app-header{justify-content:space-between;align-items:center;gap:var(--space-md);padding:var(--space-sm) 0 var(--space-lg);flex-wrap:wrap;display:flex;position:relative}.logo{font-family:var(--font-display);color:var(--ink);-webkit-user-select:none;user-select:none;align-items:center;gap:8px;font-size:1.5rem;font-weight:800;display:flex}.logo-badge{background:var(--primary);color:#fff;width:40px;height:40px;box-shadow:0 4px 0 var(--primary-deep);border-radius:14px;justify-content:center;align-items:center;font-size:1.25rem;display:inline-flex}.app-nav{border-radius:var(--radius-pill);box-shadow:var(--shadow-card);background:#ffffffb3;gap:4px;padding:4px;display:flex}.nav-btn{border-radius:var(--radius-pill);font-family:var(--font-body);color:var(--ink-muted);background:0 0;border:none;padding:10px 18px;font-size:.95rem;font-weight:700;transition:color .2s,background .2s;position:relative}.nav-btn:after{content:"";background:var(--primary);border-radius:2px;width:0;height:2.5px;transition:width .25s,left .25s;position:absolute;bottom:2px;left:50%}.nav-btn:hover{color:var(--primary);background:var(--primary-soft)}.nav-btn.active{background:var(--primary);color:#fff;box-shadow:0 3px 0 var(--primary-deep)}.nav-btn.active:after{background:#fff;width:60%;left:20%}.game-chips{align-items:center;gap:8px;display:flex}.game-chip{border-radius:var(--radius-pill);box-shadow:var(--shadow-card);font-family:var(--font-body);color:var(--ink);-webkit-user-select:none;user-select:none;white-space:nowrap;background:#fff;align-items:center;gap:6px;padding:5px 12px 5px 6px;font-size:.95rem;font-weight:800;display:inline-flex}.chip-icon{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;display:inline-flex}.chip-icon-streak{background:#f97316;box-shadow:0 2px #c2570a}.chip-icon-xp{background:#8b5cf6;box-shadow:0 2px #6d3fd4}.chip-value{line-height:1}.hero{align-items:center;gap:var(--space-xl);padding:var(--space-xl) 0;flex-wrap:wrap;display:flex}.hero-text{overflow-wrap:break-word;flex:340px;min-width:0}.hero-text h1{font-family:var(--font-display);letter-spacing:-.015em;color:var(--ink);margin-bottom:var(--space-md);font-size:2.85rem;font-weight:800;line-height:1.08}.hero-text .tagline{color:var(--ink-muted);max-width:46ch;margin-bottom:var(--space-lg);font-size:1.12rem;line-height:1.6}.hero-art-col{flex:0 0 280px;justify-content:center;align-items:center;display:flex}.hero-art,.hero-art-container{justify-content:center;align-items:center;display:flex;position:relative}.hero-art-circle{width:260px;height:260px;box-shadow:var(--shadow-lift);background:radial-gradient(circle,#fff 40%,#e3f1ef 100%);border:6px solid #fff;border-radius:50%;justify-content:center;align-items:center;padding:28px;display:flex;overflow:hidden}.hero-art-img{object-fit:contain;filter:drop-shadow(0 6px 12px #0e7a6c2e);width:100%;height:100%}.hero-art-badge{background:var(--primary);color:#fff;width:48px;height:48px;font-family:var(--font-display);box-shadow:var(--shadow-lift);border:3px solid #fff;border-radius:50%;justify-content:center;align-items:center;font-size:1.4rem;font-weight:800;display:flex;position:absolute;bottom:8px;right:8px}@media (width<=480px){.hero-art-circle{width:180px;height:180px;padding:20px}}.btn-primary{background:var(--primary);color:#fff;font-family:var(--font-body);box-shadow:0 4px 0 var(--primary-deep);cursor:pointer;border:none;border-radius:20px;justify-content:center;align-items:center;gap:8px;padding:16px 32px;font-size:1.05rem;font-weight:800;transition:transform 80ms,box-shadow 80ms;display:inline-flex}.btn-primary:hover{box-shadow:0 5px 0 var(--primary-deep);transform:translateY(-1px)}.btn-primary:active{box-shadow:0 1px 0 var(--primary-deep);transform:translateY(3px)}.btn-secondary{color:var(--primary);border:2px solid var(--primary);font-family:var(--font-body);cursor:pointer;background:#fff;border-radius:20px;justify-content:center;align-items:center;gap:8px;padding:12px 26px;font-size:1.05rem;font-weight:800;transition:transform 80ms,background .15s,box-shadow 80ms;display:inline-flex}.btn-secondary:hover{background:var(--primary-soft);transform:translateY(-1px)}.btn-secondary:active{transform:translateY(2px)}.link-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:6px 10px;font-size:.95rem;font-weight:800}.link-btn:hover{background:var(--primary-soft)}.module-grid{gap:var(--space-lg);margin:var(--space-xl) 0;grid-template-columns:repeat(3,1fr);display:grid}.module-card{border-radius:var(--radius-xl);padding:var(--space-lg) var(--space-lg);text-align:left;cursor:pointer;font-family:var(--font-body);border:none;flex-direction:column;gap:10px;transition:transform .15s,filter .15s;display:flex}.module-card:hover{filter:drop-shadow(0 12px 10px #2e2a2421);transform:translateY(-4px)}.module-card:active{filter:none;transform:translateY(1px)}.module-card .module-emoji{width:52px;height:52px;color:var(--primary);background:#ffffffbf;border-radius:50%;justify-content:center;align-items:center;margin-bottom:4px;font-size:1.6rem;line-height:1;display:flex;box-shadow:0 2px 6px #2e2a2414}.module-card .module-title{font-family:var(--font-display);color:var(--ink);font-size:1.25rem;font-weight:800}.module-card .module-sub{color:var(--ink-muted);font-size:.9rem;line-height:1.4}.module-teal{background:var(--panel-mint);box-shadow:0 4px 0 var(--panel-mint-deep)}.module-teal .module-emoji{color:var(--primary-deep)}.module-amber{background:var(--panel-amber);box-shadow:0 4px 0 var(--panel-amber-deep)}.module-amber .module-emoji{color:#b8860b}.module-amber .module-title{color:#4a3a10}.module-amber .module-sub{color:#6b5a2e}.module-peach{background:var(--panel-peach);box-shadow:0 4px 0 var(--panel-peach-deep)}.module-peach .module-emoji{color:#c2543a}.module-peach .module-title{color:#55271a}.module-peach .module-sub{color:#7a3d2c}.module-teal .module-title{color:#0b3d36}.module-teal .module-sub{color:#2f5c55}.card{background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:var(--space-lg);margin-bottom:var(--space-xl)}.card h2{font-family:var(--font-display);color:var(--ink);margin-bottom:var(--space-sm);font-size:1.45rem}.sub-desc{color:var(--ink-muted);margin:4px 0 0;font-size:.95rem}.teaser-head{justify-content:space-between;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md);flex-wrap:wrap;display:flex}.teaser-grid{gap:var(--space-sm);grid-template-columns:repeat(6,1fr);display:grid}.letter-tile{cursor:pointer;border-radius:var(--radius-md);background:0 0;border:none;padding:6px;transition:transform .1s}.letter-tile:hover{transform:translateY(-2px)}.tile-inner{border-radius:var(--radius-md);background:#f3f7f6;flex-direction:column;align-items:center;gap:4px;padding:8px 4px 6px;display:flex;box-shadow:0 2px #2e2a240f}.tile-letter{font-family:var(--font-display);color:var(--primary);font-size:1.05rem;font-weight:800}.tile-thumb{aspect-ratio:1;object-fit:contain;background:#fff;border-radius:8px;width:100%;max-width:52px;height:auto}.intro-grid{gap:var(--space-lg);margin-bottom:var(--space-xl);grid-template-columns:repeat(3,1fr);display:grid}.intro-card{border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:var(--space-lg);margin-bottom:0;transition:transform .15s,box-shadow .15s}.intro-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px)}.intro-card .intro-icon{background:var(--primary-soft);width:44px;height:44px;color:var(--primary);border-radius:50%;justify-content:center;align-items:center;margin-bottom:12px;font-size:1.3rem;line-height:1;display:flex}.intro-card h2{margin-bottom:6px;font-size:1.05rem}.intro-card p{color:var(--ink-muted);margin:0;font-size:.88rem;line-height:1.5}.steps{gap:var(--space-sm);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.steps li{align-items:center;gap:var(--space-md);border-radius:var(--radius-md);background:#faf8f4;padding:12px 16px;display:flex}.step-num{background:var(--primary);color:#fff;width:34px;height:34px;font-family:var(--font-display);box-shadow:0 3px 0 var(--primary-deep);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:1.05rem;font-weight:800;display:inline-flex}.steps li span:last-child{color:var(--ink);line-height:1.45}.page-section{padding:var(--space-sm) 0 var(--space-lg)}.page-head{margin-bottom:var(--space-md)}.page-head h2{font-family:var(--font-display);color:var(--ink);font-size:1.8rem}.page-desc{color:var(--ink-muted);max-width:60ch;margin-top:4px;font-size:1rem}.catalog-grid{gap:var(--space-md);grid-template-columns:repeat(auto-fill,minmax(110px,1fr));display:grid}.catalog-card{background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);cursor:pointer;text-align:left;border:none;padding:0;transition:transform .18s,box-shadow .18s;overflow:hidden}.catalog-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-4px)}.catalog-card-img{aspect-ratio:1/1.05;background:#f3f7f6;justify-content:center;align-items:center;padding:10px;display:flex}.catalog-card-img img{object-fit:contain;width:100%;height:100%}.catalog-card-body{justify-content:space-between;align-items:center;padding:10px 16px;display:flex}.catalog-card-letter{font-family:var(--font-display);color:var(--primary);font-size:1.2rem;font-weight:800}.catalog-card-hint{color:var(--ink-soft);font-size:.75rem;font-weight:700}.kata-grid-view{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.kata-img-wrap{aspect-ratio:1.4;position:relative}.badge-topic{background:var(--highlight);color:#3a2c0a;border-radius:var(--radius-pill);padding:3px 8px;font-size:.68rem;font-weight:800;position:absolute;top:8px;left:8px;box-shadow:0 2px #3a2c0a26}.kata-title{font-family:var(--font-display);color:var(--ink);font-size:1.1rem}.kata-summary{color:var(--ink-muted);margin:2px 0 4px;font-size:.8rem;line-height:1.4}.filter-chips{margin-bottom:var(--space-md);flex-wrap:wrap;gap:8px;display:flex}.chip{color:var(--ink-muted);border-radius:var(--radius-pill);box-shadow:var(--shadow-card);cursor:pointer;background:#fff;border:none;padding:7px 14px;font-size:.85rem;font-weight:700;transition:all .12s}.chip.active{background:var(--primary);color:#fff;box-shadow:0 3px 0 var(--primary-deep)}.placeholder-card{text-align:center;padding:var(--space-xl) var(--space-lg)}.feature-preview-box{background:var(--primary-soft);border-radius:var(--radius-lg);padding:var(--space-lg);margin-top:var(--space-md)}.preview-icon{color:var(--primary);margin:0 auto 8px;display:block}.source-note{margin-top:var(--space-lg);border-radius:var(--radius-md);color:var(--ink-muted);background:#faf6ee;border:1px dashed #e6dcc8;padding:10px 16px;font-size:.8rem}.modal-backdrop{z-index:50;padding:var(--space-md);background:#2e2a2473;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-lift);flex-direction:column;width:100%;max-width:620px;max-height:92vh;display:flex;overflow-y:auto}.modal-header{justify-content:space-between;align-items:flex-start;gap:var(--space-sm);padding:var(--space-lg) var(--space-lg) 0;display:flex}.modal-title-wrap{flex-direction:column;gap:2px;display:flex}.badge-category{background:var(--panel-mint);color:var(--primary-deep);text-transform:uppercase;letter-spacing:.04em;border-radius:var(--radius-pill);align-self:flex-start;align-items:center;padding:3px 10px;font-size:.72rem;font-weight:800;display:inline-flex}.modal-title-wrap h2{font-family:var(--font-display);color:var(--ink);margin:4px 0 0;font-size:2rem;font-weight:800;line-height:1}.btn-close{cursor:pointer;width:36px;height:36px;color:var(--ink-muted);background:#f3f1ed;border:none;border-radius:50%;flex-shrink:0;font-size:1.1rem;line-height:1;transition:background .15s,color .15s}.btn-close:hover{background:var(--panel-peach);color:var(--danger)}.modal-body{padding:var(--space-md) var(--space-lg);gap:var(--space-md);flex-direction:column;display:flex}.detail-img-box{background:var(--paper);border-radius:var(--radius-lg);padding:var(--space-sm);border:2px dashed var(--border);justify-content:center;align-items:center;min-height:220px;display:flex;position:relative}.detail-img-box img{object-fit:contain;border-radius:8px;width:auto;max-height:260px}.tag-source{color:var(--ink-soft);border-radius:var(--radius-pill);background:#fffc;padding:2px 8px;font-size:.7rem;position:absolute;bottom:8px;right:12px}.detail-info{gap:var(--space-sm);flex-direction:column;display:flex}.detail-summary{color:var(--ink);margin:0;font-size:1rem;line-height:1.55}.detail-steps-section h3{font-family:var(--font-display);color:var(--ink);margin:0 0 8px;font-size:1.05rem}.detail-steps-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.detail-steps-list li{color:var(--ink);align-items:flex-start;gap:10px;font-size:.95rem;line-height:1.5;display:flex}.step-badge{background:var(--primary-soft);width:24px;height:24px;color:var(--primary-deep);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:1px;font-size:.8rem;font-weight:800;display:inline-flex}.tips-box{background:var(--panel-amber);border-radius:var(--radius-md);color:#4a3a10;padding:10px 14px;font-size:.9rem;line-height:1.5}.modal-footer{padding:0 var(--space-lg) var(--space-lg);flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}@media (width<=640px){.modal-content{max-height:94vh}.modal-footer{flex-direction:column}.modal-footer .btn-primary,.modal-footer .btn-secondary{width:100%}}.modal-card{background:var(--surface);border-radius:var(--radius-xl);padding:var(--space-lg);width:100%;max-width:400px;max-height:90vh;box-shadow:var(--shadow-lift);overflow-y:auto}.modal-head{margin-bottom:var(--space-sm);justify-content:space-between;align-items:center;display:flex}.modal-close{cursor:pointer;width:34px;height:34px;color:var(--ink-muted);background:#f3f1ed;border:none;border-radius:50%;font-size:1.1rem}.modal-close:hover{background:#e8e5df}.modal-title{font-family:var(--font-display);color:var(--ink);align-items:center;gap:10px;font-size:1.6rem;font-weight:800;display:flex}.modal-type{text-transform:uppercase;letter-spacing:.04em;background:var(--primary-soft);color:var(--primary);border-radius:var(--radius-pill);padding:3px 8px;font-size:.7rem;font-weight:800}.modal-img-box{border-radius:var(--radius-lg);padding:var(--space-md);text-align:center;margin:var(--space-sm) 0 var(--space-md);background:#f3f7f6}.modal-img-box img{object-fit:contain;width:100%;max-width:240px;max-height:260px}.modal-section{margin-bottom:var(--space-md)}.modal-section h3{font-family:var(--font-display);color:var(--primary-deep);margin-bottom:6px;font-size:1rem}.modal-section p{color:var(--ink);margin:0;font-size:.93rem;line-height:1.55}.modal-section ol{margin:0;padding-left:20px}.modal-section li{margin-bottom:6px;font-size:.93rem;line-height:1.5}.tips-box{border-radius:var(--radius-md);color:#6b5318;border-left:4px solid var(--highlight);background:#fbf3e0;padding:10px 14px;font-size:.88rem;line-height:1.5}.modal-actions{margin-top:var(--space-md);gap:10px;display:flex}.footer{text-align:center;padding:var(--space-xl) 0 var(--space-lg);color:var(--ink-soft);margin-top:var(--space-xl);border-top:1px solid #2e2a2414;font-size:.85rem}@media (width<=720px){.module-grid,.intro-grid{grid-template-columns:1fr}.teaser-grid{grid-template-columns:repeat(3,1fr)}.hero{align-items:flex-start;gap:var(--space-lg);flex-direction:column}.hero-art-col{flex:none;order:-1;align-self:center;width:100%}}@media (width<=480px){.hero-text h1{font-size:2rem}.app-header{align-items:stretch;gap:var(--space-sm);flex-direction:column}.logo{order:1}.game-chips{order:0;position:absolute;top:0;right:0}.app-nav{-webkit-overflow-scrolling:touch;flex-wrap:nowrap;order:2;justify-content:flex-start;gap:2px;width:100%;padding:3px;overflow-x:auto}.nav-btn{text-align:center;white-space:nowrap;flex:auto;min-width:0;padding:8px 4px;font-size:.85rem}}.practice-live{gap:var(--space-lg);flex-direction:column;display:flex}.practice-live-header h2{margin:0 0 4px}.page-sub{color:var(--muted);margin:0}.practice-card{align-items:center;gap:var(--space-md);flex-direction:column;display:flex}.video-wrap{aspect-ratio:4/3;width:100%;max-width:640px;box-shadow:var(--shadow-lift);background:#0f172a;border-radius:24px;position:relative;overflow:hidden}.video-el,.video-overlay{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.video-el{transform:scaleX(-1)}.video-overlay{pointer-events:none}.video-status{color:#fff;text-align:center;z-index:2;background:#0f172ab8;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:24px;display:flex;position:absolute;inset:0}.video-status p{max-width:420px;margin:0;line-height:1.5}.video-status.error p{color:#fecaca}.video-hint{color:#fff;white-space:nowrap;z-index:2;background:#0f172abf;border-radius:999px;align-items:center;gap:8px;padding:8px 16px;font-size:.9rem;display:flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.practice-result{width:100%;max-width:640px}.prediction-box{background:var(--panel-mint);border:3px solid var(--panel-mint-deep);border-radius:20px;align-items:center;gap:18px;padding:14px 22px;display:flex}.prediction-box.waiting{background:var(--panel-amber);border-color:var(--panel-amber-deep)}.prediction-box.idle{background:var(--panel-peach);border-color:var(--panel-peach-deep)}.prediction-label{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);flex:1;font-size:.8rem;font-weight:700}.prediction-letter{font-family:var(--font-display);color:var(--primary-deep);text-align:center;min-width:64px;font-size:3.4rem;font-weight:800;line-height:1}.prediction-letter.dim{color:#0f172a40}.prediction-conf{color:var(--primary-deep);font-weight:700}.practice-note{color:var(--muted);background:var(--card);border:1px solid var(--border);border-radius:14px;margin:0;padding:12px 16px;font-size:.85rem;line-height:1.55}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.practice-page{gap:var(--space-lg);flex-direction:column;display:flex}.mode-tabs{background:var(--panel-mint);border-radius:999px;gap:8px;width:fit-content;max-width:100%;padding:5px;display:flex}.mode-tab{cursor:pointer;font-family:var(--font-display);color:var(--primary-deep);background:0 0;border:none;border-radius:999px;align-items:center;gap:8px;padding:10px 22px;font-size:.95rem;font-weight:700;transition:all .15s;display:flex}.mode-tab.active{background:var(--primary);color:#fff;box-shadow:0 3px 0 var(--primary-deep)}.mode-tab:not(.active):hover{background:#fff9}.guided{gap:var(--space-md);flex-direction:column;display:flex}.guided-progress{align-items:center;gap:12px;display:flex}.progress-track{background:var(--panel-mint-deep);border-radius:999px;flex:1;height:12px;overflow:hidden}.progress-fill{background:var(--primary);border-radius:999px;height:100%;transition:width .4s}.progress-text{color:var(--muted);font-size:.9rem;font-weight:700}.guided-toolbar{justify-content:space-between;align-items:center;display:flex}.icon-btn{border:2px solid var(--border);background:var(--card);cursor:pointer;width:40px;height:40px;color:var(--primary-deep);border-radius:12px;font-size:1.1rem;font-weight:700}.icon-btn:disabled{opacity:.4;cursor:default}.grid-btn{background:var(--panel-amber);color:#7a5a00;cursor:pointer;font-family:var(--font-display);border:none;border-radius:999px;align-items:center;gap:8px;padding:9px 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14px;font-size:.92rem;font-weight:600}.cta-try{align-self:flex-start;margin-top:4px}.guided-try{gap:var(--space-md);flex-direction:column;align-items:center;display:flex}.try-target{background:var(--panel-mint);border:3px solid var(--panel-mint-deep);border-radius:18px;align-items:center;gap:16px;width:100%;max-width:640px;padding:12px 20px;display:flex}.try-target-label{color:var(--muted);font-weight:600}.try-target-letter{font-family:var(--font-display);color:var(--primary-deep);border:2px solid var(--panel-mint-deep);background:#fff;border-radius:14px;padding:2px 18px;font-size:2rem;font-weight:800}.try-video-wrap{max-width:640px}.try-status{min-height:28px}.try-waiting{color:var(--muted);margin:0;font-size:.95rem}.hold-box{flex-direction:column;gap:6px;max-width:480px;margin:0 auto;display:flex}.try-hold-label{color:var(--primary-deep);justify-content:center;align-items:center;gap:6px;margin:0;font-size:1rem;font-weight:800;display:flex}.hold-bar{background:var(--panel-mint);border:2px solid var(--panel-mint-deep);border-radius:999px;height:14px;overflow:hidden}.hold-bar-fill{background:var(--primary);border-radius:999px;height:100%;transition:width .12s linear}.cam-on-indicator{color:var(--primary-deep);background:var(--panel-mint);border-radius:999px;align-items:center;gap:8px;padding:6px 14px;font-size:.82rem;font-weight:600;display:flex}.cam-dot{background:#22c55e;border-radius:50%;width:10px;height:10px;animation:1.2s infinite pulse;box-shadow:0 0 0 3px #22c55e40}@keyframes pulse{50%{opacity:.4}}.guided-success{justify-content:center;display:flex}.success-card{background:var(--panel-mint);border:3px solid var(--panel-mint-deep);text-align:center;width:100%;max-width:480px;box-shadow:var(--shadow-lift);border-radius:24px;flex-direction:column;align-items:center;gap:12px;padding:40px 32px;display:flex}.success-icon{color:var(--primary)}.success-card h3{margin:0}.success-card p{color:var(--muted);margin:0}.success-actions{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:10px;display:flex}.try-feedback{justify-content:center;display:flex}.try-feedback-card{background:var(--paper);width:100%;max-width:560px;box-shadow:var(--shadow-lift);border:3px solid #f2c4b8;border-radius:20px;flex-direction:column;gap:12px;padding:18px 20px;display:flex}.try-feedback-head{align-items:flex-start;gap:12px;display:flex}.try-feedback-icon{color:var(--danger);flex-shrink:0;margin-top:2px}.try-feedback-head h4{margin:0;font-size:1.05rem}.try-feedback-head p{color:var(--ink-muted);margin:2px 0 0;font-size:.92rem}.try-feedback-head p strong{color:var(--danger)}.try-feedback-head .link-btn{white-space:nowrap;margin-left:auto}.try-feedback-body{align-items:center;gap:14px;display:flex}.try-feedback-img{object-fit:contain;background:var(--surface);border:2px solid #e8d9c4;border-radius:14px;flex-shrink:0;width:88px;height:88px;padding:6px}.try-feedback-tips{flex-direction:column;gap:4px;margin:0;padding-left:18px;display:flex}.try-feedback-tips li{color:var(--ink);font-size:.92rem;line-height:1.4}.quiz-setup{text-align:center;max-width:560px;margin:0 auto;padding:24px 16px}.quiz-setup h2{font-family:var(--font-display);color:var(--ink);margin:0 0 8px;font-size:1.8rem}.quiz-setup-sub{color:var(--ink-muted);margin:0 0 20px;line-height:1.5}.quiz-setup-actions{flex-direction:column;align-items:center;gap:12px;display:flex}.quiz-setup-hint{color:var(--ink-soft);margin-top:16px;font-size:.9rem}.quiz-active{flex-direction:column;align-items:center;gap:14px;display:flex}.quiz-progress{width:100%;max-width:640px;color:var(--ink-muted);justify-content:space-between;align-items:center;font-weight:700;display:flex}.quiz-score-pill{background:var(--panel-mint);border:2px solid var(--panel-mint-deep);color:var(--primary-deep);border-radius:999px;align-items:center;gap:4px;padding:2px 12px;display:inline-flex}.quiz-stop-btn{color:var(--ink-soft);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:4px;padding:4px 8px;font-size:.85rem;font-weight:700;display:inline-flex}.quiz-stop-btn:hover{color:var(--danger);background:var(--panel-peach)}.quiz-target{background:var(--panel-mint);border:3px solid var(--panel-mint-deep);border-radius:20px;justify-content:center;align-items:center;gap:16px;width:100%;max-width:640px;padding:12px 28px;display:flex}.quiz-target-label{color:var(--primary-deep);font-weight:700}.quiz-target-letter{font-family:var(--font-display);color:var(--primary-deep);border:2px solid var(--panel-mint-deep);background:#fff;border-radius:14px;padding:4px 20px;font-size:3rem;font-weight:800;line-height:1}.quiz-target-name{color:var(--ink-muted);font-weight:600}.quiz-video-wrap{max-width:640px}.is-hidden{display:none!important}.quiz-transition{background:var(--panel-mint);border:3px solid var(--panel-mint-deep);text-align:center;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;gap:8px;width:100%;max-width:640px;padding:40px 28px;display:flex}.quiz-transition-icon{color:var(--success)}.quiz-transition h3{font-family:var(--font-display);color:var(--ink);margin:0}.quiz-transition p{color:var(--ink-muted);margin:0}.result-card{text-align:center;background:var(--paper);border:3px solid var(--panel-mint-deep);max-width:560px;box-shadow:var(--shadow-lift);border-radius:24px;margin:0 auto;padding:32px 28px}.result-icon{color:var(--success)}.result-card h2{font-family:var(--font-display);color:var(--ink);margin:8px 0 4px}.result-score{color:var(--ink);margin:4px 0;font-size:1.3rem}.result-score strong{color:var(--primary-deep);font-size:1.6rem}.result-msg{color:var(--ink-muted);margin:0 0 16px}.result-wrong{text-align:left;margin:16px 0}.result-wrong h4{color:var(--danger);font-family:var(--font-display);margin:0 0 8px}.result-wrong-grid{flex-wrap:wrap;gap:8px;display:flex}.result-wrong-letter{background:#fff;border:2px solid #f2c4b8;border-radius:12px;align-items:center;gap:6px;padding:4px 10px;display:flex}.result-wrong-badge{font-family:var(--font-display);color:var(--danger);background:#fdecea;border-radius:8px;padding:0 8px;font-size:1.1rem;font-weight:800}.result-wrong-name{color:var(--ink-muted);font-size:.85rem}.result-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.try-feedback-actions{justify-content:flex-end;display:flex}.stat-cards{grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:14px;display:grid}.stat-card{border-radius:var(--radius-lg);color:#fff;text-align:center;-webkit-user-select:none;user-select:none;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:18px 12px 14px;transition:transform .1s,box-shadow .1s;display:flex}.stat-card:hover{transform:translateY(-2px)}.stat-icon{background:#ffffff40;border-radius:50%;justify-content:center;align-items:center;width:42px;height:42px;margin-bottom:6px;display:inline-flex}.stat-icon svg{width:24px;height:24px}.stat-num{font-family:var(--font-display);font-size:2.2rem;font-weight:800;line-height:1}.stat-label{opacity:.9;margin-top:2px;font-size:.8rem;font-weight:700}.stat-streak{background:#f97316;box-shadow:0 5px #c2570a}.stat-streak:hover{box-shadow:0 7px #c2570a}.stat-xp{background:#8b5cf6;box-shadow:0 5px #6d3fd4}.stat-xp:hover{box-shadow:0 7px #6d3fd4}.stat-mastered{background:var(--primary);box-shadow:0 5px 0 var(--primary-deep)}.stat-mastered:hover{box-shadow:0 7px 0 var(--primary-deep)}@media (width<=560px){.stat-cards{grid-template-columns:repeat(3,1fr);gap:8px}.stat-card{padding:14px 6px 12px}.stat-num{font-size:1.6rem}.stat-icon{width:34px;height:34px}.stat-icon svg{width:20px;height:20px}.stat-label{font-size:.7rem}}.progress-page .page-desc{max-width:560px}.progress-summary-card{flex-direction:column;gap:14px;display:flex}.progress-summary-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.progress-summary-num{align-items:baseline;gap:8px;display:flex}.progress-summary-num strong{font-family:var(--font-display);color:var(--primary-deep);font-size:2.6rem;line-height:1}.progress-summary-num span{color:var(--ink-muted);font-weight:600}.progress-summary-badge{background:var(--panel-mint);border:2px solid var(--panel-mint-deep);color:var(--primary-deep);font-weight:800;font-family:var(--font-display);border-radius:999px;align-items:center;gap:6px;padding:4px 14px;display:inline-flex}.progress-summary-pct{font-family:var(--font-display);color:var(--primary-deep);font-size:1.4rem;font-weight:800}.progress-bar-track{background:var(--panel-peach);border:2px solid var(--panel-peach-deep);border-radius:999px;height:14px;overflow:hidden}.progress-bar-fill{background:var(--primary);border-radius:999px;height:100%;transition:width .3s}.progress-hint{color:var(--ink-muted);margin:0;font-size:.92rem}.progress-congrats{color:var(--success);align-items:center;gap:6px;margin:0;font-weight:700;display:inline-flex}.progress-grid-card{flex-direction:column;gap:12px;display:flex}.progress-section-title{font-family:var(--font-display);color:var(--ink);align-items:center;gap:8px;margin:0;display:flex}.progress-section-title svg{color:var(--primary)}.progress-grid{grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:8px;display:grid}.progress-tile{border-radius:var(--radius-lg);cursor:pointer;background:var(--surface);font-family:var(--font-display);border:2px solid #0000;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:8px 4px;transition:transform .12s;display:flex}.progress-tile:hover{transform:translateY(-2px)}.progress-tile-letter{font-size:1.3rem;font-weight:800;line-height:1}.progress-tile-status{color:var(--ink-soft);justify-content:center;align-items:center;font-size:.7rem;font-weight:700;display:inline-flex}.progress-tile.mastered{background:var(--panel-mint);border-color:var(--panel-mint-deep)}.progress-tile.mastered .progress-tile-letter{color:var(--primary-deep)}.progress-tile.mastered .progress-tile-status{color:var(--success)}.progress-tile.partial{background:var(--panel-amber);border-color:var(--panel-amber-deep)}.progress-tile.partial .progress-tile-letter{color:var(--ink)}.progress-tile.partial .progress-tile-status{color:#b45309}.progress-tile.untouched{background:var(--surface);border-color:var(--border)}.progress-tile.untouched .progress-tile-letter{color:var(--ink-soft)}.progress-weak-card,.progress-untouched-card{flex-direction:column;gap:10px;display:flex}.progress-weak-sub{color:var(--ink-muted);margin:0;font-size:.9rem}.progress-weak-list,.progress-untouched-list{flex-wrap:wrap;gap:8px;display:flex}.progress-weak-chip,.progress-untouched-chip{border:2px solid var(--border);background:var(--surface);cursor:pointer;color:var(--ink);border-radius:999px;align-items:center;gap:8px;padding:4px 12px;font-weight:700;transition:border-color .12s;display:inline-flex}.progress-weak-chip strong{font-family:var(--font-display);font-size:1.05rem}.progress-weak-chip span{background:var(--panel-amber);color:#b45309;border-radius:999px;padding:1px 8px;font-size:.75rem;font-weight:800}.progress-weak-chip:hover,.progress-untouched-chip:hover{border-color:var(--primary)}.progress-untouched-chip{color:var(--ink-soft)}.progress-reset-row{justify-content:flex-end;margin-top:8px;display:flex}.progress-reset-confirm{background:var(--panel-peach);border:2px solid var(--panel-peach-deep);border-radius:var(--radius-lg);color:var(--ink);flex-wrap:wrap;align-items:center;gap:10px;padding:10px 14px;font-size:.9rem;display:flex}.btn-danger{background:var(--danger);color:#fff;border-radius:var(--radius-md);font-weight:700;font-family:var(--font-body);cursor:pointer;border:none;align-items:center;gap:6px;padding:8px 14px;display:inline-flex}.btn-danger:hover{filter:brightness(.92)}.btn-ghost-danger{border:2px solid var(--danger);color:var(--danger);border-radius:var(--radius-md);font-weight:700;font-family:var(--font-body);cursor:pointer;background:0 0;align-items:center;gap:6px;padding:8px 14px;display:inline-flex}.btn-ghost-danger:hover{background:#fdecea}@media (width<=640px){.learn-card{text-align:left;flex-direction:column;align-items:center}.learn-visual{width:180px}.mode-tab{padding:8px 14px;font-size:.85rem}.try-target{flex-wrap:wrap}.try-feedback-body{flex-direction:column;align-items:flex-start}.try-feedback-head{flex-wrap:wrap}.try-feedback-head .link-btn{margin-left:0}.quiz-target{text-align:center;flex-wrap:wrap;gap:8px;padding:12px 16px}.quiz-target-letter{font-size:2.2rem}.result-actions{flex-direction:column}}