:root{--site-bkg-url:url(/images/bkg.png);--hero-bg-url:url(/images/bkg.png);--sb-primary:#f6a800;--sb-primary-dark:#e09b00;--sb-accent-blue:#0a63c9;--sb-muted:#6c757d;--sb-success:#28a745;--sb-danger:#b00020;--sb-glass-surface:#ffffffeb;--sb-glass-border:#10182814;--sb-glass-shadow:0 18px 36px #0f172a1f;--sb-glass-sunny-start:#fffffff2;--sb-glass-sunny-end:#fde07e73;--sb-glass-tile-start:#fffffff2;--sb-glass-tile-end:#fff5c77a;--sb-glass-tile-border:#eab30873}html,body{color:#222;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}body{background-color:#0000!important}html{background-image:var(--site-bkg-url)!important;background-position:top!important;background-repeat:repeat!important;background-size:auto 400px!important}a{color:#0a63c9;text-decoration:none}main{max-width:1200px;margin:0 auto;padding:2rem 1.5rem}main.container{max-width:100%;margin:0;padding:2rem 1.5rem}h1,h2,h3,h4,h5,h6{color:#111827;margin:0;padding:0;font-weight:700}:root{--hero-bg-url:url(/images/bkg.png)}.page-hero{background:linear-gradient(90deg,#fff8ea 0%,#fffefc 100%);border-radius:16px;margin:0 0 2rem;padding:2rem;display:block;position:relative;overflow:hidden;box-shadow:0 10px 40px #14141414}.page-hero:before{content:"";z-index:0;opacity:.06;pointer-events:none;background:linear-gradient(#fff9,#ffffffe6);position:absolute;inset:0}.page-hero:after{content:"";z-index:1;background:linear-gradient(#ffffff40,#fff9);position:absolute;inset:0}.page-hero__inner{z-index:2;flex-direction:column;align-items:flex-start;gap:1.25rem;display:flex;position:relative}.hero-title{letter-spacing:-.03em;color:#f6a800;text-shadow:0 2px 4px #0000001a;margin:0;font-size:3.5rem;font-weight:800;line-height:1.1}.hero-sub{color:#374151;margin:0 0 .75rem;font-size:1.15rem;line-height:1.6}.hero-ctas{flex-wrap:wrap;gap:1rem;margin-top:.75rem;display:flex}.btn{cursor:pointer;border:1px solid #0000;border-radius:8px;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-size:1rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{color:#111;background:#f6a800;border-color:#e09b00;box-shadow:0 6px 18px #f6a80026}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #f6a80040}.btn-secondary{color:#111;background:#f3f4f6;border-color:#e2e8f0}.btn-secondary:hover{background:#e5e7eb;transform:translateY(-1px)}.btn[disabled],.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-primary[disabled],.btn-primary:disabled{color:#999;box-shadow:none;background:#d4d4d4;border-color:silver}.cards-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;margin-top:2rem;display:grid}.card{background:#fff;border:1px solid #1018280f;border-radius:12px;flex-direction:column;justify-content:flex-start;min-height:100px;padding:1.5rem;transition:transform .2s,box-shadow .2s;display:flex;box-shadow:0 8px 30px #0f172a0f}.card:hover{transform:translateY(-4px);box-shadow:0 12px 35px #0f172a1a}.card h3{color:#111827;margin:0 0 .75rem;font-size:1.15rem}.card p{color:#4b5563;margin:0;font-size:.95rem;line-height:1.6}@media (max-width:980px){.cards-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.cards-grid{grid-template-columns:1fr}.hero-title{font-size:2.5rem}.page-hero{padding:1.5rem}}.error-text{color:#dc2626;font-weight:600}.album-button--hidden{display:none!important}.legacy-flex-actions{justify-content:center;gap:6px;margin-top:10px;display:flex}.button-group{flex-flow:wrap;justify-content:center;align-items:center;gap:10px;display:flex}.score-badge{color:#fff;background:#0000001f;border-radius:10px;margin-left:8px;padding:6px 10px;font-size:.95rem;font-weight:600}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.pronounce-btn,#get-sentence{letter-spacing:.01em;color:#231400;cursor:pointer;-webkit-tap-highlight-color:transparent;background:linear-gradient(#ffd66b,#f6a800);border:1px solid #e09b0099;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;gap:.45rem;width:44px;height:44px;padding:0;font-size:.95rem;font-weight:700;transition:transform .18s,box-shadow .18s,filter .18s;display:inline-flex;box-shadow:0 6px 16px #f6a80047,inset 0 1px #ffffff8c}.pronounce-btn:hover:not(:disabled),#get-sentence:hover:not(:disabled){filter:brightness(1.04);transform:translateY(-2px);box-shadow:0 10px 22px #f6a80059,inset 0 1px #ffffff8c}.pronounce-btn:active:not(:disabled),#get-sentence:active:not(:disabled){transform:translateY(0)scale(.96);box-shadow:0 4px 10px #f6a8004d}.pronounce-btn:focus-visible,#get-sentence:focus-visible{outline:none;box-shadow:0 0 0 3px #fff,0 0 0 6px #f6a80080}.pronounce-btn:disabled,#get-sentence:disabled{opacity:.55;cursor:not-allowed;box-shadow:none;filter:grayscale(.15);transform:none}.pronounce-btn svg,.game-action-icon svg{display:block}.pronounce-btn-icon,.game-action-icon{display:inline-flex}.pronounce-btn.active{color:#fff;background:linear-gradient(#334155,#111827);border-color:#ffffff2e;animation:1.4s ease-out infinite pronounce-pulse}.pronounce-btn.active:focus-visible{box-shadow:0 0 0 3px #fff,0 0 0 6px #11182773}.pronounce-btn .eq{align-items:flex-end;gap:2.5px;height:16px;display:inline-flex}.pronounce-btn .eq span{background:currentColor;border-radius:2px;width:3px;height:6px;animation:1s ease-in-out infinite eq-bounce}.pronounce-btn .eq span:nth-child(2){animation-delay:.15s}.pronounce-btn .eq span:nth-child(3){animation-delay:.3s}@keyframes pronounce-pulse{0%{box-shadow:0 0 #11182759}70%{box-shadow:0 0 0 10px #11182700}to{box-shadow:0 0 #11182700}}@keyframes eq-bounce{0%,to{height:6px}50%{height:16px}}@media (prefers-reduced-motion:reduce){.pronounce-btn.active{animation:none}.pronounce-btn .eq span{height:10px;animation:none}.pronounce-btn:hover:not(:disabled),#get-sentence:hover:not(:disabled){transform:none}}.legacy-reward-img{border-radius:8px;max-width:260px;box-shadow:0 2px 6px #0003}.reward-actions-gap{gap:10px}.reward-error-spacer{margin-top:6px}.reward-album-spacer{margin-top:12px}.album-grid{grid-template-columns:1fr;justify-content:center;align-items:start;gap:2rem;width:100%;margin:0 auto;display:grid}@media (min-width:900px){.album-grid{grid-template-columns:1fr}}.album-section{background:#fff;border:1px solid #e2e2e2;border-radius:12px;width:100%;max-width:100%;padding:1rem;box-shadow:0 1px 3px #0000000f}.album-rarity-title{text-transform:capitalize;align-items:center;gap:.35rem;margin:0 0 .75rem;font-size:1rem;display:flex}.album-rarity-title .count{color:#666;font-size:.8rem;font-weight:400}.rarity-cards{grid-template-columns:repeat(auto-fill,minmax(80px,140px));justify-content:center;gap:.5rem;width:100%;display:grid}.reward-card{aspect-ratio:3/4;box-sizing:border-box;background:#f8f9fa;border:1px solid #ddd;border-radius:8px;justify-content:center;align-items:center;width:100%;padding:4px;display:flex;position:relative;overflow:hidden}.reward-card img{object-fit:cover;width:100%;height:100%}.empty-rarity{color:#777;margin:0;font-size:.75rem}.reward-card.locked{filter:grayscale(.9)brightness(.6);position:relative}.reward-card.locked img{opacity:.7}.reward-card.collected{position:relative}.lock-overlay{text-shadow:0 1px 2px #0009;justify-content:center;align-items:center;font-size:1.8rem;display:flex;position:absolute;inset:0}.reward-card.locked.no-img{filter:none;background:repeating-linear-gradient(45deg,#2f3134 0 10px,#373a3d 10px 20px);border:1px solid #444}.reward-card.locked.no-img .lock-overlay{font-size:2rem}.sb-container{color:#abadb0;max-width:1200px;margin:0 auto;padding:1.5rem 1.5rem 2.5rem}.sb-header{color:#fff;background:linear-gradient(90deg,#1f2937 0%,#111827 100%);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.sb-header__inner{justify-content:space-between;align-items:center;gap:1.5rem;max-width:1200px;margin:0 auto;padding:.75rem 1.5rem;display:flex}@media (max-width:640px){.sb-container{padding:1rem 1rem 2rem}}@media (max-width:480px){.sb-container{padding:.5rem .75rem 1.5rem}.sb-header__inner{padding:.75rem 1rem}}.sb-brand{align-items:center;text-decoration:none;transition:transform .2s;display:flex}.sb-brand:hover{transform:scale(1.03)}.sb-brand-logo{width:auto;height:36px;display:block}.sb-header__nav{align-items:center;gap:1rem;display:flex}.sb-link{color:#e5e7eb;border-radius:6px;padding:.5rem .75rem;font-size:.95rem;font-weight:500;text-decoration:none;transition:all .2s}.sb-link:hover{color:#fff;background-color:#ffffff1a;transform:translateY(-1px)}.sb-header__right{align-items:center;gap:1rem;display:flex}.sb-user{opacity:.9;font-size:.9rem;font-weight:500}.sb-btn{cursor:pointer;color:#fff;background:#374151;border:1px solid #0000;border-radius:6px;padding:.6rem 1rem;font-size:.9rem;font-weight:500;transition:all .2s}.sb-btn:hover{background:#4b5563;transform:translateY(-1px)}.sb-btn--primary{color:#111;background:#f6a800;border-color:#e09b00;font-weight:600}.sb-btn--primary:hover{background:#e09b00;transform:translateY(-2px);box-shadow:0 4px 12px #f6a8004d}.sb-btn--secondary{background:#4b5563;border-color:#6b7280}.sb-btn--ghost{color:#e5e7eb;background:0 0;border-color:#6b7280}.sb-btn--ghost:hover{background:#ffffff1a;border-color:#9ca3af}.sb-feedback-btn{white-space:nowrap;align-items:center;gap:.5rem;margin-right:.75rem;display:flex;color:#e5e7eb!important;background:0 0!important;border:1px solid #6b7280!important}.sb-feedback-btn:hover{color:#fff!important;background:#ffffff1a!important;border-color:#9ca3af!important}.sb-feedback-icon{flex-shrink:0}.sb-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.auth-page{color:#111827;background:#fff;border:1px solid #e5e7eb;border-radius:12px;max-width:480px;margin:3rem auto;padding:2rem;box-shadow:0 10px 25px -5px #0000001a,0 8px 10px -6px #0000001a}.auth-page h1{color:#111827;margin-top:0;font-size:1.75rem;font-weight:700}.auth-form{flex-direction:column;gap:1.25rem;display:flex}.auth-form label{color:#374151;flex-direction:column;gap:.5rem;font-size:.9rem;font-weight:500;display:flex}.auth-form input{color:#111827;background:#fff;border:1px solid #d1d5db;border-radius:8px;padding:.75rem 1rem;font-size:1rem;transition:all .2s}.auth-form input:focus{border-color:#3b82f6;outline:none;box-shadow:0 0 0 3px #3b82f633}.auth-error{color:#dc2626;margin-top:-.5rem;font-size:.875rem;font-weight:500}.auth-alt{text-align:center;color:#4b5563;margin-top:1.5rem;font-size:.9rem}.auth-alt a{color:#2563eb;font-weight:500;text-decoration:none;transition:color .2s}.auth-alt a:hover{color:#1d4ed8;text-decoration:underline}.practice-module{grid-template-columns:1fr 1fr;gap:2rem;margin-top:2.5rem;display:grid}.practice-sets,.practice-words{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:1.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.practice-sets h2,.practice-words h2{color:#111827;margin-top:0;font-size:1.25rem;font-weight:600}.sets-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.75rem;max-height:300px;padding-right:.5rem;display:grid;overflow-y:auto}.set-item{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;align-items:center;gap:.5rem;padding:.625rem .75rem;font-size:.85rem;transition:all .2s;display:flex}.set-item:hover{background:#f3f4f6;transform:translateY(-1px);box-shadow:0 2px 4px #0000000d}.practice-actions{flex-wrap:wrap;gap:1rem;margin-top:1.5rem;display:flex}.word-list{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:.75rem;margin:1rem 0 0;padding:0;list-style:none;display:grid}.word-list li{color:#374151;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:.625rem .75rem;font-size:.85rem;transition:all .2s}.word-list li:hover{background:#f3f4f6;transform:translateY(-1px);box-shadow:0 2px 4px #0000000d}@media (max-width:820px){.practice-module{grid-template-columns:1fr}}.reward-card.skeleton{background:#f3f4f6;border-radius:8px;position:relative;overflow:hidden}.reward-card.skeleton:after{content:"";background:linear-gradient(110deg,#f3f4f6 0%,#e5e7eb 40%,#f3f4f6 80%) 0 0/200% 100%;animation:1.2s linear infinite reward-shimmer;position:absolute;inset:0}@keyframes reward-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.reward-img-hidden{display:none}.reward-lazy-error{color:#dc2626;background:#ffffffe6;border-radius:3px;padding:2px 4px;font-size:.6rem;font-weight:500;position:absolute;bottom:3px;left:3px}.reward-skeleton-inner{width:100%;height:100%}.modal-overlay{--modal-dim:0;--modal-scale:.7;--modal-shift:20px;background:rgba(0,0,0,calc(var(--modal-dim)));z-index:1000;opacity:0;touch-action:none;justify-content:center;align-items:center;padding:20px;transition:background .3s,opacity .3s;display:none;position:fixed;inset:0}.modal-overlay.active{opacity:1;display:flex}.expanded-card{width:85vw;max-width:640px;height:85vh;transform:translateY(var(--modal-shift))scale(var(--modal-scale));opacity:0;cursor:pointer;background:#fff;border-radius:16px;justify-content:center;align-items:center;transition:transform .3s cubic-bezier(.2,0,0,1),opacity .3s;display:flex;position:relative;overflow:hidden;box-shadow:0 25px 50px -12px #00000040}.expanded-card.active{opacity:1;transform:translateY(0)scale(1)}.expanded-card.dragging{transition:none}.expanded-card img{object-fit:contain;max-width:100%;max-height:100%}.expanded-close{color:#fff;cursor:pointer;background:#000000a6;border:none;border-radius:8px;padding:6px 10px;font-size:.8rem;transition:all .2s;position:absolute;top:12px;right:12px}.expanded-close:hover{background:#000000d9;transform:scale(1.05)}.sb-avatar{vertical-align:middle;color:#111;background:#f6a800;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;margin-right:8px;font-size:.85rem;font-weight:700;display:inline-flex;box-shadow:0 2px 4px #0000001a}.sb-user-link{color:inherit;border-radius:6px;align-items:center;gap:8px;padding:6px 10px;text-decoration:none;transition:background-color .2s;display:inline-flex}.sb-user-link:hover{background-color:#ffffff1a}.sb-profile-dropdown{position:relative}.sb-profile-dropdown .sb-user-link{color:inherit;background:0 0;border:none;border-radius:6px;align-items:center;gap:8px;padding:6px 8px;display:inline-flex}.sb-profile-dropdown .sb-user-link:focus{outline:none;box-shadow:0 0 0 3px #ffa80033}.sb-dropdown-menu{color:#111;z-index:1300;background:#fff;border:1px solid #e5e7eb;border-radius:10px;min-width:180px;position:absolute;top:calc(100% + 8px);right:0;overflow:hidden;box-shadow:0 10px 35px #02061726}.sb-dropdown-item{color:inherit;padding:10px 14px;font-size:.9rem;text-decoration:none;transition:background-color .2s;display:block}.sb-dropdown-item:hover,.sb-dropdown-item:focus{background:#f3f4f6}.sb-dropdown-menu .sb-btn{width:100%;color:inherit;cursor:pointer;background:0 0;border:none;justify-content:flex-start;padding:8px 0;font-size:.9rem;transition:background-color .2s;display:inline-flex}.sb-dropdown-menu .sb-btn:hover{background-color:#f3f4f6}.sb-header__inner,.sb-header__nav,.sb-header__right{min-width:0}.sb-user{white-space:nowrap;text-overflow:ellipsis;max-width:40vw;overflow:hidden}@media (max-width:700px){.sb-feedback-text{display:none}.sb-feedback-btn{margin-right:.25rem;padding:.5rem!important}.sb-header__nav{gap:.5rem}.sb-link{padding:.4rem .6rem;font-size:.875rem}}@media (max-width:420px){.sb-header__inner{flex-wrap:wrap;align-items:center}.sb-header__nav{order:2;justify-content:center;width:100%;margin-top:6px}.sb-header__right{order:1}.sb-user{display:none}}@media (max-width:340px){.sb-header__nav{gap:.25rem}.sb-link{padding:.4rem .5rem;font-size:.8rem}}@media (max-width:500px){.sb-user{display:none}}.profile-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.profile-header h1{margin:0}.sb-high-contrast{color:#fff!important;background-color:#111827!important;border-color:#000!important}.sb-glass-card{background:var(--sb-glass-surface);border:1px solid var(--sb-glass-border);box-shadow:var(--sb-glass-shadow);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:18px;padding:1.5rem;position:relative}.sb-glass-card--compact{border-radius:14px;padding:1.25rem}.sb-glass-card--sunny{background:linear-gradient(182deg,var(--sb-glass-sunny-start),var(--sb-glass-sunny-end));border-color:var(--sb-glass-tile-border)}.sb-glass-card--flush{padding:1.1rem 1.35rem}.sb-glass-grid{gap:.85rem;display:grid}.sb-glass-grid--summary{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));max-width:100%}.sb-glass-grid--metrics{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}.sb-glass-grid--tight{gap:.65rem}.sb-glass-tile{background:linear-gradient(182deg,var(--sb-glass-tile-start),var(--sb-glass-tile-end));border:1px solid var(--sb-glass-tile-border);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:12px;flex-direction:column;gap:.35rem;padding:.9rem 1rem;display:flex;position:relative;box-shadow:0 12px 28px #0f172a1a}.sb-glass-tile--metric{text-align:center;align-items:center;gap:.5rem;padding:1rem}.sb-stat-value{color:#111827;font-size:1.85rem;font-weight:700}.sb-stat-label{text-transform:uppercase;letter-spacing:.06em;color:#475569;font-size:.8rem}.sb-summary-label{text-transform:uppercase;letter-spacing:.06em;color:#64748b;font-size:.75rem}.sb-summary-value{color:#0f172a;overflow-wrap:break-word;word-break:break-word;margin:0;font-size:.98rem;font-weight:600}.sb-section-heading{color:#111827;margin:0;font-size:1.2rem}.sb-section-subtitle{color:#475569;margin:.35rem 0 0;font-size:.92rem}.sb-breadcrumb{color:#1f2937;align-items:center;gap:.4rem;font-size:.8rem;display:flex}.sb-breadcrumb a{color:#2563eb;text-decoration:none}.sb-breadcrumb a:hover{text-decoration:underline}.sb-card-actions{align-items:center;gap:.75rem;display:flex}.sb-card-actions--wrap{flex-wrap:wrap}.sb-tile-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;display:grid}.sb-tile-grid--tight{gap:.75rem}.sb-glass-tile--link{cursor:pointer;transition:box-shadow .18s}.sb-glass-tile--link:hover{transform:translateY(-1px);box-shadow:0 14px 28px #0f172a1f}@media (max-width:720px){.sb-glass-card{padding:1.35rem}.sb-glass-grid--summary,.sb-glass-grid--metrics,.sb-tile-grid{grid-template-columns:1fr}}@media (max-width:540px){.sb-card-actions{flex-direction:column;align-items:stretch}.sb-glass-card--compact{padding:1rem}}