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orbFloat{0%,to{transform:translate(0) scale(1) rotate(0);filter:blur(100px) hue-rotate(0deg)}33%{transform:translate(40px,-60px) scale(1.12) rotate(120deg);filter:blur(85px) hue-rotate(90deg)}66%{transform:translate(-30px,40px) scale(.92) rotate(240deg);filter:blur(110px) hue-rotate(180deg)}}.auth-card{position:relative;z-index:10;width:100%;max-width:440px;padding:40px 36px 32px;background:#161b22;border:1px solid rgba(255,255,255,.08);border-radius:28px;box-shadow:0 16px 40px #00000059;transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s ease}.auth-card:before{display:none!important}[data-theme=light] .auth-card{background:#fff!important;border:1px solid #e2e8f0!important;box-shadow:0 10px 30px #0000000a!important}[data-theme=light] .auth-card:before{display:none!important}.auth-card:hover{box-shadow:0 32px 80px #0009,inset 0 1px #ffffff1a}.auth-card:hover:before{opacity:.32}[data-theme=light] .auth-card:hover:before{opacity:.14}@keyframes auroraBorder{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.auth-logo{text-align:center;margin-bottom:28px}.auth-logo .tbe-logo-badge.large{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;background:linear-gradient(135deg,#f97316,#d94600);color:#fff;border-radius:13px;box-shadow:0 4px 12px #d9460040;transform:rotate(-10deg);transition:all .3s cubic-bezier(.16,1,.3,1)}.auth-logo .tbe-logo-badge-text{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;letter-spacing:.04em;font-weight:800;line-height:1;text-transform:uppercase;-webkit-user-select:none;user-select:none;transform:translateY(-.5px)}.auth-logo .tbe-logo-badge.large:hover{transform:rotate(5deg) scale(1.1);box-shadow:0 6px 16px #d9460059}.auth-logo-icon{position:relative;width:56px;height:56px;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#3b82f626,#8b5cf626);border-radius:16px;border:1px solid rgba(59,130,246,.2);box-shadow:0 4px 12px #3b82f61a,inset 0 1px #ffffff1a;transition:all .4s cubic-bezier(.16,1,.3,1);animation:iconFloat 4s ease-in-out infinite}.auth-logo-icon:after{content:"";position:absolute;inset:-2px;border-radius:18px;background:linear-gradient(135deg,#3b82f6,#8b5cf6);z-index:-1;opacity:.25;filter:blur(5px);transition:all .4s ease}.auth-logo-icon:hover{transform:translateY(-3px) rotate(5deg) scale(1.05);box-shadow:0 8px 24px #3b82f640}.auth-logo-icon:hover:after{opacity:.55;filter:blur(8px)}.auth-logo-icon svg,.auth-logo-icon img{animation:logoSwing 5s ease-in-out infinite}.auth-logo-icon svg{color:var(--primary-light)}[data-theme=light] .auth-logo-icon svg{color:var(--primary)}.auth-logo-icon img{width:28px;height:28px;object-fit:contain}@keyframes iconFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}@keyframes logoSwing{0%,to{transform:rotate(0) scale(1);filter:drop-shadow(0 0 2px rgba(96,165,250,.3))}50%{transform:rotate(12deg) scale(1.08);filter:drop-shadow(0 0 8px rgba(96,165,250,.8))}}.auth-logo-text{font-size:28px;font-weight:800;letter-spacing:-.03em;margin:0}.auth-logo-brand{font-family:Space Grotesk,sans-serif;font-size:30px;font-weight:700;letter-spacing:-.03em;color:var(--text-primary)}.auth-logo-subtitle{margin:8px 0 0;font-size:14px;color:var(--text-tertiary);font-weight:400}.auth-tabs{display:flex;position:relative;background:#ffffff08;border-radius:14px;padding:4px;margin-bottom:24px;border:1px solid rgba(255,255,255,.05)}[data-theme=light] .auth-tabs{background:#00000008;border:1px solid rgba(0,0,0,.04)}.auth-tab{flex:1;padding:10px 0;font-size:14px;font-weight:600;color:var(--text-tertiary);background:transparent;border:none;border-radius:10px;cursor:pointer;transition:all .25s ease;position:relative;z-index:2}.auth-tab.active{color:var(--text-primary)}.auth-tab:not(.active):hover{color:var(--text-secondary)}.auth-tab:active{transform:scale(.96)}.auth-tab-indicator{position:absolute;top:4px;left:4px;width:calc(50% - 4px);height:calc(100% - 8px);background:#ffffff14;border-radius:10px;z-index:1;box-shadow:0 2px 8px #0003;border:1px solid rgba(255,255,255,.05)}[data-theme=light] .auth-tab-indicator{background:var(--bg-elevated);box-shadow:0 2px 8px #0000000d;border:1px solid rgba(0,0,0,.02)}.auth-alert{display:flex;align-items:center;gap:8px;padding:12px 16px;border-radius:12px;font-size:13px;font-weight:500;margin-bottom:16px;overflow:hidden}.auth-alert-error{background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.2)}.auth-alert-success{background:#10b9811a;color:#10b981;border:1px solid rgba(16,185,129,.2)}.auth-form{display:flex;flex-direction:column;gap:18px}.auth-input-group{display:flex;flex-direction:column;gap:6px;overflow:hidden}.auth-label{font-size:13px;font-weight:600;color:var(--text-secondary);padding-left:2px}.auth-input-wrapper{position:relative;display:flex;align-items:center}.auth-input-icon{position:absolute;left:14px;color:var(--text-muted);pointer-events:none;transition:color .2s ease;z-index:2}.auth-input-wrapper:focus-within .auth-input-icon{color:var(--primary);animation:iconBounce .45s cubic-bezier(.25,1,.5,1)}@keyframes iconBounce{0%{transform:translateY(0) scale(1)}40%{transform:translateY(-5px) scale(1.15)}70%{transform:translateY(1px) scale(.95)}to{transform:translateY(0) scale(1)}}.auth-input{width:100%;padding:13px 44px;background:#ffffff08;border:1.5px solid rgba(255,255,255,.08);border-radius:14px;font-size:15px;color:var(--text-primary);transition:all .25s ease;outline:none;font-family:inherit;caret-color:var(--primary)}.auth-input:-webkit-autofill,.auth-input:-webkit-autofill:hover,.auth-input:-webkit-autofill:focus{-webkit-text-fill-color:var(--text-primary);caret-color:var(--primary);transition:background-color 5000s ease-in-out 0s}[data-theme=light] .auth-input{background:var(--bg-elevated);border:1.5px solid var(--border-default)}.auth-input:focus{border-color:var(--primary);background:#0d1117e6;box-shadow:0 0 0 2px #3b82f626}[data-theme=light] .auth-input:focus{background:var(--bg-elevated);box-shadow:0 0 0 2px #2563eb26}.auth-input::placeholder{color:var(--text-muted)}.auth-eye-btn{position:absolute;right:12px;display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:transparent;border:none;border-radius:8px;color:var(--text-muted);cursor:pointer;transition:all .2s;z-index:2}.auth-eye-btn:hover{background:var(--bg-hover);color:var(--text-secondary)}.auth-submit-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 24px;margin-top:6px;background:#2563eb;color:#fff;border:none;border-radius:14px;font-size:16px;font-weight:700;cursor:pointer;position:relative;overflow:hidden;transition:background-color .2s ease,transform .1s ease}.auth-submit-btn:before{display:none!important}.auth-submit-btn:hover{background:#1d4ed8;transform:translateY(-1px)}.auth-submit-btn:active{transform:translateY(0);box-shadow:0 4px 12px #3b82f633}.auth-submit-btn:disabled{opacity:.7;cursor:not-allowed;transform:none!important}@keyframes shimmerFlow{0%{left:-150%}to{left:150%}}.auth-spinner{animation:authSpin .8s linear infinite}.google-signin-section{background:#ffffff05;border:1px solid rgba(255,255,255,.04);border-radius:20px;padding:20px;margin-top:20px!important;box-shadow:inset 0 1px #ffffff0a;transition:all .3s ease}[data-theme=light] .google-signin-section{background:#00000004;border:1px solid rgba(0,0,0,.03);box-shadow:inset 0 1px #00000003}.google-signin-section:hover{background:#ffffff0a;border-color:#ffffff12;box-shadow:inset 0 1px #ffffff0f}[data-theme=light] .google-signin-section:hover{background:#00000006;border-color:#0000000d}.auth-separator{display:flex;align-items:center;width:100%;margin:16px 0 8px!important;color:var(--text-tertiary);font-size:12px;font-weight:500;letter-spacing:1px}.auth-separator-line{flex:1;height:1px}.auth-separator-line-left{background:linear-gradient(90deg,transparent,rgba(255,255,255,.08))}[data-theme=light] .auth-separator-line-left{background:linear-gradient(90deg,transparent,rgba(0,0,0,.08))}.auth-separator-line-right{background:linear-gradient(90deg,rgba(255,255,255,.08),transparent)}[data-theme=light] .auth-separator-line-right{background:linear-gradient(90deg,rgba(0,0,0,.08),transparent)}.auth-footer{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.06)}[data-theme=light] .auth-footer{border-top:1px solid rgba(0,0,0,.06)}.auth-footer-text{font-size:13px;color:var(--text-tertiary)}.auth-footer-link{background:none;border:none;color:var(--primary);font-size:13px;font-weight:600;cursor:pointer;padding:4px 8px;border-radius:8px;transition:all .2s}.auth-footer-link:hover{background:#3b82f614;color:var(--primary-hover)}@media(max-width:768px){.auth-card{max-width:400px;padding:32px 28px 28px}.auth-bg-orb-1{width:450px;height:450px}.auth-bg-orb-2{width:350px;height:350px}.auth-bg-orb-3{width:280px;height:280px}}@media(max-width:480px){.auth-page{padding:10px;align-items:center;min-height:100vh}.auth-card{max-width:100%;padding:16px 16px 14px;border-radius:16px}.auth-card:before{border-radius:17px}.auth-logo{margin-bottom:12px}.auth-logo-icon{width:38px;height:38px;border-radius:10px;margin-bottom:6px;animation:none}.auth-logo-icon:after{border-radius:12px}.auth-logo-icon svg,.auth-logo-icon img{width:20px;height:20px;animation:none}.auth-logo-text{font-size:20px}.auth-logo-subtitle{font-size:12px;margin-top:4px}.auth-tabs{margin-bottom:14px;border-radius:10px;padding:2px}.auth-tab{padding:6px 0;font-size:12px;border-radius:8px}.auth-tab-indicator{top:2px;left:2px;width:calc(50% - 2px);height:calc(100% - 4px);border-radius:8px}.google-signin-section{padding:10px;margin-top:10px!important;border-radius:12px}.auth-separator{margin:10px 0 6px!important}.auth-form{gap:10px}.auth-input-group{gap:4px}.auth-label{font-size:12px;margin-bottom:0}.auth-input{padding:10px 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28px}.auth-logo{margin-bottom:16px}.auth-logo-icon{width:40px;height:40px;margin-bottom:8px}.auth-form{gap:12px}.auth-footer{margin-top:16px;padding-top:12px}}.auth-verification-section{display:flex;flex-direction:column;gap:16px;padding:4px 0}.auth-hint{font-size:12px;color:var(--text-tertiary);margin:4px 0 0;text-align:center}.auth-resend-wrapper{display:flex;justify-content:center}.auth-resend-btn{background:none;border:none;color:var(--primary);font-size:13px;font-weight:500;cursor:pointer;padding:6px 12px;border-radius:8px;transition:all .2s}.auth-resend-btn:hover:not(:disabled){background:#3b82f614;text-decoration:underline}.auth-resend-btn:disabled{color:var(--text-muted);cursor:not-allowed}.auth-back-btn{background:none;border:none;color:var(--text-tertiary);font-size:13px;margin-top:12px;cursor:pointer;transition:color .2s;width:100%}.auth-back-btn:hover{color:var(--text-secondary)}.auth-agreement-group{display:flex;align-items:center;margin-top:4px;margin-bottom:4px;overflow:hidden}.auth-agreement-label{display:flex;align-items:flex-start;gap:8px;cursor:pointer;-webkit-user-select:none;user-select:none;font-size:13px;color:var(--text-secondary);line-height:1.4;width:100%}.auth-agreement-checkbox{appearance:none;-webkit-appearance:none;width:16px;height:16px;border:1.5px solid rgba(255,255,255,.2);border-radius:4px;outline:none;cursor:pointer;background:#ffffff08;transition:all .2s ease;flex-shrink:0;margin-top:2px;position:relative;display:flex;align-items:center;justify-content:center}[data-theme=light] .auth-agreement-checkbox{border-color:var(--border-default);background:var(--bg-elevated)}.auth-agreement-checkbox:checked{background:var(--primary);border-color:var(--primary)}.auth-agreement-checkbox:checked:after{content:"";width:8px;height:4px;border-left:2px solid white;border-bottom:2px solid white;transform:rotate(-45deg) translateY(-1px);position:absolute}.auth-agreement-checkbox:focus{box-shadow:0 0 0 2px #3b82f640}.auth-agreement-text{font-size:13px;color:var(--text-secondary)}.auth-agreement-link{color:var(--primary);text-decoration:none;font-weight:600;margin:0 2px;transition:color .2s}.auth-agreement-link:hover{color:var(--primary-hover);text-decoration:underline}.settings-modal-overlay{position:fixed;inset:0;z-index:1000;background:#00000080;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:20px}[data-theme=light] .settings-modal-overlay{background:#ffffff4d}.settings-modal-content{width:100%;max-width:800px;max-height:90vh;overflow:hidden;border-radius:24px;background:var(--bg-elevated);border:1px solid 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var(--border-subtle);background:transparent;overflow-x:auto;scrollbar-width:none}.settings-tabs::-webkit-scrollbar{display:none}.settings-tab-btn{flex:1;min-width:80px;padding:12px;background:none;border:none;color:var(--text-secondary);cursor:pointer;font-weight:600;font-size:14px;position:relative;transition:all .2s;white-space:nowrap}.settings-tab-btn.active{color:var(--primary)}.settings-body{flex:1;padding:20px;display:flex;flex-direction:column;gap:16px;isolation:isolate}.settings-section-title{font-size:15px;color:var(--text-primary);margin-bottom:16px;display:flex;align-items:center;gap:8px}.settings-card{background:var(--bg-surface);border-radius:16px;border:1px solid var(--border-subtle);overflow:hidden;padding:16px}.provider-card{background:var(--bg-surface);border-radius:16px;border:1px solid var(--border-subtle);overflow:hidden;margin-bottom:12px;transition:border-color 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var(--border-subtle);display:flex;justify-content:space-between;align-items:center;gap:16px}@media(max-width:500px){.settings-action-card{flex-direction:column;align-items:flex-start;gap:12px}.settings-action-card button{align-self:flex-end}}.grammar-guide-page{min-height:100vh;background:transparent;color:var(--text-primary);font-family:var(--font-sans);padding-bottom:40px}.btn-back-simple{display:flex;align-items:center;gap:8px;background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--text-secondary);padding:8px 16px;border-radius:12px;cursor:pointer;transition:all .2s;font-size:14px;font-weight:600;margin-bottom:24px;width:fit-content}.btn-back-simple:hover{background:var(--bg-hover);color:var(--text-primary);transform:translate(-4px);border-color:var(--border-strong)}.guide-content{max-width:800px;margin:0 auto;padding:30px 20px}.intro-card{background:#3b82f61a;border:1px solid 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var(--border-subtle);color:var(--text-primary)}.tag-pill{font-size:11px;font-weight:800;padding:4px 10px;border-radius:6px;text-transform:uppercase;display:inline-flex;align-items:center;justify-content:center;letter-spacing:.5px;box-shadow:0 2px 4px #0000000d}[data-theme=dark] .tag-subj{background:#30d1584d;color:#fff!important}[data-theme=dark] .tag-verb{background:#0a84ff4d;color:#fff!important}[data-theme=dark] .tag-obj{background:#ff9f0a4d;color:#fff!important}[data-theme=dark] .tag-prep{background:#bf5af24d;color:#fff!important}[data-theme=dark] .tag-attr{background:#ff375f4d;color:#fff!important}[data-theme=dark] .tag-adv{background:#64d2ff4d;color:#fff!important}[data-theme=dark] .tag-cc{background:#ffd60a4d;color:#fff!important}[data-theme=dark] .tag-aux{background:#af52de4d;color:#fff!important}[data-theme=dark] .tag-mark{background:#ff95004d;color:#fff!important}[data-theme=light] .tag-subj{background:#28a745;color:#fff!important;font-weight:800}[data-theme=light] .tag-verb{background:#007aff;color:#fff!important;font-weight:800}[data-theme=light] .tag-obj{background:#f59e0b;color:#fff!important;font-weight:800}[data-theme=light] .tag-prep{background:#8e44ad;color:#fff!important;font-weight:800}[data-theme=light] .tag-attr{background:#e91e63;color:#fff!important;font-weight:800}[data-theme=light] .tag-adv{background:#00bcd4;color:#fff!important;font-weight:800}[data-theme=light] .tag-cc{background:#dbb300;color:#fff!important;font-weight:800}[data-theme=light] .tag-aux{background:#673ab7;color:#fff!important;font-weight:800}[data-theme=light] .tag-mark{background:#ff5722;color:#fff!important;font-weight:800}.font-en{font-family:var(--font-sans);font-style:italic;color:var(--primary);font-weight:500}.items-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.modifier-item{background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:16px;padding:20px;transition:all .3s cubic-bezier(.16,1,.3,1);box-shadow:var(--shadow-sm)}.modifier-item:hover{transform:translateY(-5px);background:var(--bg-surface);border-color:var(--primary);box-shadow:var(--shadow-lg)}.item-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}.item-top h3{font-size:17px;margin:0;color:var(--text-primary)}.modifier-item p{font-size:14px;color:var(--text-secondary);line-height:1.5;margin-bottom:15px}.item-example{background:var(--bg-surface);padding:8px 12px;border-radius:8px;font-size:15px;border:1px solid var(--border-subtle)}.external-links{margin-top:60px;padding-top:40px;border-top:1px solid var(--border-subtle)}.links-container{display:flex;flex-wrap:wrap;gap:20px;margin-top:20px}.link-card{flex:1;min-width:260px;display:flex;align-items:center;gap:16px;padding:20px;background:var(--bg-elevated);border-radius:20px;text-decoration:none;color:var(--text-primary);transition:all .2s;border:1px solid var(--border-subtle);box-shadow:var(--shadow-sm)}.link-card:hover{background:var(--bg-surface);border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow-md)}.link-info h3{font-size:16px;margin:0}.link-info p{font-size:13px;color:var(--text-tertiary);margin:4px 0 0}.link-icon-container{width:48px;height:48px;border-radius:12px;display:flex;justify-content:center;align-items:center;flex-shrink:0}.guide-footer{text-align:center;padding:40px 20px;color:var(--text-muted);font-size:13px}.summary-section{margin:60px 0}.summary-card{background:var(--bg-elevated);border:1px solid rgba(59,130,246,.2);border-radius:24px;padding:30px;box-shadow:var(--shadow-md)}[data-theme=light] .summary-card{background:linear-gradient(135deg,#fff,#f0f7ff)}.summary-card h2{text-align:center;margin-bottom:25px;font-size:22px;color:var(--text-primary)}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px}.summary-item{background:var(--bg-surface);padding:15px;border-radius:12px;text-align:center;display:flex;flex-direction:column;gap:5px;border:1px solid var(--border-subtle)}.summary-item strong{color:var(--text-tertiary);font-size:13px;text-transform:uppercase}.summary-item span{font-weight:700}.color-subj{color:#10b981}.color-verb{color:var(--primary)}.color-obj{color:#f59e0b}.color-prep{color:#8b5cf6}.gold-border{position:relative;border:none!important;background:linear-gradient(var(--bg-elevated),var(--bg-elevated)) padding-box,linear-gradient(135deg,gold,#ff8c00) border-box!important;border:2px solid transparent!important}[data-theme=dark] .gold-border{background:linear-gradient(#16161a,#16161a) padding-box,linear-gradient(135deg,gold,#ff8c00) border-box!important}.growth-steps{display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:20px}.step-item{background:var(--bg-surface);padding:12px 24px;border-radius:14px;width:100%;max-width:600px;border:1px solid var(--border-subtle);display:flex;justify-content:space-between;align-items:center;transition:all .3s cubic-bezier(.16,1,.3,1)}.step-item:hover{transform:scale(1.02);border-color:var(--primary);box-shadow:var(--shadow-md)}.step-item.highlight{background:#3b82f60d;border:1.5px solid var(--primary)}.step-num{font-size:13px;color:var(--text-tertiary);font-weight:500}.step-code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:16px;color:var(--text-primary)}.step-code strong{color:var(--primary);text-decoration:underline;text-underline-offset:4px}.step-arrow{color:var(--text-muted);font-size:20px;font-weight:700}.growth-hint{margin-top:15px;font-size:14px;color:var(--text-muted);font-style:italic}.label-v,.label-o,.label-adv,.label-attr{font-size:10px;padding:2px 6px;border-radius:4px;margin-left:8px;color:#fff;vertical-align:middle}.label-v{background:#007aff}.label-o{background:#f59e0b}.label-adv{background:#00bcd4}.label-attr{background:#e91e63}.tag-noun{background:#4a5568!important;color:#fff!important}.tag-pron{background:#718096!important;color:#fff!important}.tag-verb{background:#007aff!important;color:#fff!important}.tag-adj{background:#38b2ac!important;color:#fff!important}.tag-adv{background:#00bcd4!important;color:#fff!important}.tag-prep{background:#8b5cf6!important;color:#fff!important}.tag-conj{background:#ed8936!important;color:#fff!important}.tag-art{background:#a0aec0!important;color:#fff!important}.tag-sv{background:#48bb78!important;color:#fff!important}.tag-svp{background:#4299e1!important;color:#fff!important}.tag-svo{background:#ed8936!important;color:#fff!important}.tag-sviodo{background:#9f7aea!important;color:#fff!important}.tag-svoc{background:#f56565!important;color:#fff!important}.tag-clause{background:#3182ce!important;color:#fff!important}.tag-relative{background:#d53f8c!important;color:#fff!important}.tag-adv-c{background:#38b2ac!important;color:#fff!important}.tag-inf{background:#805ad5!important;color:#fff!important}.tag-gerund{background:#38a169!important;color:#fff!important}.tag-part{background:#dd6b20!important;color:#fff!important}.tag-subj-m{background:#5a67d8!important;color:#fff!important}.tag-inv{background:#e53e3e!important;color:#fff!important}.tag-it{background:#718096!important;color:#fff!important}.khan-playlist-section{margin-top:80px;padding-top:60px;border-top:1px solid var(--border-subtle)}.playlist-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:12px;margin-top:24px}.playlist-item{display:flex;align-items:center;gap:16px;padding:16px;background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:12px;text-decoration:none;color:var(--text-primary);transition:all .2s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}.playlist-item:hover{background:var(--bg-surface);border-color:red;transform:translate(4px);box-shadow:var(--shadow-md)}.video-index{font-size:14px;font-weight:800;color:var(--text-muted);opacity:.5;flex-shrink:0}.video-title{font-size:14px;line-height:1.4;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hover-icon{opacity:0;transform:translate(-10px);transition:all .3s;color:red}.playlist-item:hover .hover-icon{opacity:1;transform:translate(0)}.animate-slide-up{animation:slideUp .6s cubic-bezier(.16,1,.3,1) 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h1{font-size:2rem}.hist-card-actions{flex-direction:row;align-items:flex-end;gap:.75rem}.hist-export-group{flex:1;flex-wrap:wrap;gap:.4rem;justify-content:flex-start}.hist-tabs{width:100%;max-width:100%;overflow-x:auto;white-space:nowrap;scrollbar-width:none}.hist-tabs::-webkit-scrollbar{display:none}.hist-tab{white-space:nowrap;flex-shrink:0}}.hist-pagination{display:flex;justify-content:center;align-items:center;gap:1.5rem;margin-top:3rem;padding:1rem 0 2rem}.hist-page-numbers{display:flex;align-items:center;gap:.5rem}.hist-page-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--border-default);background:var(--bg-card);color:var(--text-secondary);font-weight:600;cursor:pointer;transition:all .2s}.hist-page-btn:hover:not(:disabled){background:var(--bg-hover);color:var(--primary);border-color:var(--primary-light);transform:translateY(-2px)}.hist-page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 12px var(--primary-alpha)}.hist-page-btn:disabled{opacity:.3;cursor:not-allowed}.hist-page-dots{color:var(--text-muted);padding:0 4px;font-weight:800}.menu-overlay-transparent{position:fixed;inset:0;z-index:999}.preview-project-menu{padding:10px;border-radius:16px;border:1px solid var(--border-default);background:var(--bg-card-alpha);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);display:flex;flex-direction:column;gap:6px;max-height:280px;width:250px;box-shadow:0 20px 40px -15px #0000004d,0 0 0 1px #ffffff0d 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.proj-name{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-primary)}.proj-menu-item-info .proj-status{font-size:.7rem;color:var(--text-muted)}.preview-project-menu .proj-menu-item.running .proj-status{color:#22c55e;font-weight:600}.status-dot{position:absolute;top:-2px;right:-2px;width:6px;height:6px;background:#22c55e;border-radius:50%;border:1.5px solid var(--bg-card);box-shadow:0 0 4px #22c55e}.preview-project-menu .proj-menu-item svg{opacity:.9}.glass{background:var(--bg-card-alpha);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.shadow-modern{box-shadow:0 10px 30px -5px #0000004d,0 4px 12px -5px #0003}@media(max-width:768px){.preview-project-menu{inset:auto 5% 20px!important;width:90%!important}}.hist-toast{position:fixed;bottom:40px;left:50%;transform:translate(-50%);padding:12px 24px;border-radius:99px;background:var(--bg-card);border:1px solid var(--border-default);box-shadow:0 10px 25px #0003;display:flex;align-items:center;gap:10px;z-index:2000;color:var(--text-primary);font-weight:500}.hist-toast.info{border-color:var(--primary-light);color:var(--primary)}.hist-toast.success{border-color:#22c55e;color:#22c55e}.ani-spin{animation:histSpin 1s linear infinite}.hist-date-group{margin-bottom:2.5rem;display:flex;flex-direction:column;gap:1rem;animation:fadeIn .3s ease-in-out}.hist-date-group-header{display:flex;align-items:center;gap:.6rem;font-size:1.1rem;font-weight:700;color:var(--text-primary);padding-bottom:.5rem;border-bottom:1px dashed var(--border-default)}.hist-date-count{font-size:.85rem;font-weight:500;color:var(--text-muted)}.hist-words-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.75rem}.hist-word-chip{position:relative;padding:.85rem 1rem;border-radius:12px;border:1px solid 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.hist-word-delete-btn{opacity:1}.hist-word-delete-btn:hover{background:#ef44441a;color:#ef4444}.hist-pictalk-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1rem}.hist-pictalk-card{border-radius:16px;border:1px solid var(--border-default);background:var(--bg-card-alpha);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;transition:all .2s ease}.hist-pictalk-card:hover{border-color:var(--primary-light);transform:translateY(-2px);box-shadow:0 6px 16px #00000014}.hist-pictalk-card-body{display:flex;gap:.85rem;padding:.85rem}.hist-pictalk-img-wrap{width:80px;height:80px;border-radius:10px;overflow:hidden;flex-shrink:0;background:#f1f5f9}.hist-pictalk-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.hist-pictalk-card:hover .hist-pictalk-img-wrap img{transform:scale(1.05)}.hist-pictalk-card-content{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;gap:.35rem}.hist-pictalk-desc{margin:0;font-size:.9rem;font-weight:600;color:var(--text-primary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.hist-pictalk-badge{align-self:flex-start;padding:.15rem .4rem;border-radius:6px;font-size:.75rem;font-weight:500;background:#ea580c1a;color:#ea580c}.hist-pictalk-card-footer{padding:.6rem .85rem;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border-default);background:#00000003}.hist-action-btn.compact{height:28px;padding:0 .6rem;font-size:.75rem;border-radius:6px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.hist-summary-block{background:var(--bg-card);border:1px solid 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var(--border-default);background:#ffffff80}.mono-modal-footer-stats{font-size:.9rem;color:var(--text-secondary)}.mono-modal-actions{display:flex;gap:.75rem}.mono-btn{padding:.6rem 1.25rem;border-radius:10px;border:1px solid var(--border-default);background:var(--bg-card);color:var(--text-secondary);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s}.mono-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.mono-btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.mono-btn.primary:hover:not(:disabled){background:#4f46e5;box-shadow:0 4px 12px var(--primary-alpha)}.mono-btn.primary:disabled{opacity:.5;cursor:not-allowed}.locked-btn,.hist-action-btn.primary.locked-btn,.hist-header-preview-btn.locked-btn,.mono-btn.primary.locked-btn{background:linear-gradient(135deg,#f59e0b,#d97706)!important;border-color:#f59e0b!important;color:#fff!important;box-shadow:0 4px 12px 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#ffffff;--tg-border: #e2e8f0}@keyframes pulse{0%{opacity:1}50%{opacity:.6}to{opacity:1}}.chat-room-layout{display:flex;padding:20px;min-height:100vh;max-width:1600px;margin:0 auto;align-items:flex-start;justify-content:center;background:transparent}.chat-room-left{flex:0 1 auto;display:flex;flex-direction:column;align-items:flex-end;gap:20px}.chat-container{display:flex;flex-direction:column;height:100%;background:var(--tg-bg)}.chat-content-cluster{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative;background:var(--tg-bg)}.chat-room-right{width:0;opacity:0;overflow:hidden;flex-shrink:0;transition:all .3s cubic-bezier(.4,0,.2,1);padding-top:0}.chat-room-right.show{width:415px;opacity:1;margin-left:40px;z-index:10}.btn-back{align-self:flex-start;display:flex;align-items:center;gap:8px;padding:10px 18px;border-radius:12px;color:var(--tg-accent);font-weight:500;transition:all .2s 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var(--tg-accent);transform:none!important;animation:none!important}.btn-audio:hover,.btn-audio-user:hover{background:var(--tg-accent);color:#fff}.bubble-individual-controls-row{display:flex;align-items:center;gap:4px;background:transparent;padding:2px;border-radius:8px}.bubble-mini-control-btn{background:transparent;border:1px solid rgba(255,255,255,.12);color:#fff;padding:4px 8px;border-radius:6px;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:all .2s;height:24px;text-transform:uppercase;letter-spacing:.05em;opacity:.9;cursor:pointer}[data-theme=light] .bubble-mini-control-btn{background:transparent;border-color:#0000001a;color:var(--tg-text-secondary)}.bubble-mini-control-btn:hover{background:transparent;color:#fff;opacity:1}[data-theme=light] 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0;display:inline;position:relative}.clickable-word:hover{background:transparent;color:var(--tg-accent)}.clickable-word.highlight{font-weight:500!important;background-clip:padding-box!important;background:transparent;color:var(--tg-accent)}.clickable-word.playing-sync{font-weight:500!important;color:var(--tg-accent)}.keyword-chip{font-size:11px;background:transparent;border:1px solid var(--tg-border);color:var(--tg-accent);padding:4px 12px;border-radius:100px;transition:all .3s;font-weight:400}.keyword-chip:hover{background:transparent;color:#2563eb;border-color:#2563eb;box-shadow:0 4px 12px #2563eb26}.keyword-chip-wrapper{position:relative;display:inline-flex;align-items:center}.chip-delete-btn{position:absolute;top:-5px;right:-5px;width:14px;height:14px;background:#ef4444;color:#fff;border:1px solid white;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transition:all .2s;padding:0;z-index:10;box-shadow:0 1px 3px #0003}.keyword-chip-wrapper:hover .chip-delete-btn{opacity:1}.chip-delete-btn:hover{background:#dc2626;transform:scale(1.1)}[data-theme=light] .chip-delete-btn{border-color:#f3f4f6}.typing-indicator{display:flex;gap:4px;padding:10px 14px;background:var(--tg-message-in-bg);border-radius:16px 16px 16px 4px;width:fit-content}.typing-indicator span{width:6px;height:6px;background:var(--tg-text-secondary);border-radius:50%;animation:bounce 1.4s infinite ease-in-out;opacity:.6}.typing-indicator span:nth-child(1){animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.chat-input-area{padding:10px 16px;background:var(--tg-header-bg);border-top:1px solid var(--tg-border);display:flex;flex-direction:column;gap:10px;position:relative;z-index:10;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}[data-theme=light] .chat-input-area{background:#fffffff2;border-top-color:#e2e8f0}.input-row-top{display:flex;align-items:center;gap:12px}.menu-wrapper{position:relative;display:flex;align-items:center}.btn-menu{background:transparent;border:none;color:var(--tg-text-secondary);padding:8px;border-radius:50%;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.btn-menu:hover{background:transparent;color:var(--tg-accent)}.menu-popup{position:absolute;bottom:120%;left:0;width:180px;background:var(--tg-header-bg);border:1px solid rgba(0,0,0,.3);border-radius:12px;box-shadow:0 4px 20px #00000080;padding:6px;z-index:200;animation:fadeIn .15s ease}[data-theme=light] .menu-item{display:block;width:100%;text-align:left;padding:10px 16px;background:transparent;border:none;color:var(--tg-text-primary);border-radius:8px;cursor:pointer;font-size:14px;transition:background 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pulse-glow{0%{transform:scale(.8);opacity:.2}50%{transform:scale(1.2);opacity:.4}to{transform:scale(.8);opacity:.2}}.ma-loading-msg-v2{font-size:14px;font-weight:600;margin:0;min-height:1.5em;color:var(--tg-text-primary);letter-spacing:.5px}.ma-loading-progress-bar{width:120px;height:4px;background:transparent;border-radius:10px;overflow:hidden;margin-top:4px}.ma-loading-progress-fill{height:100%;background:linear-gradient(90deg,var(--tg-accent),#a855f7);border-radius:10px;transition:width .8s cubic-bezier(.4,0,.2,1);box-shadow:0 0 10px #78a9da80}.ar-loader{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--tg-bg)}@keyframes ani-fade-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat-note-block{background:#1c344dd9!important;border:1.5px solid var(--tg-accent)!important;padding:16px 20px!important;margin:12px 0 16px 48px!important;width:auto!important;max-width:80%!important;-webkit-backdrop-filter:blur(25px)!important;backdrop-filter:blur(25px)!important;box-shadow:0 12px 30px #0000004d!important;color:#fff!important}[data-theme=light] .chat-note-block{background:#fff!important;border-color:#ddd!important;color:#1a1a1a!important;box-shadow:0 8px 24px #0000001a!important}.chat-note-top-row{margin-bottom:8px!important;border-bottom:1px solid rgba(255,255,255,.1)!important;padding-bottom:8px!important}.chat-note-word{font-size:1.2rem!important;font-weight:700!important;color:#fff!important}[data-theme=light] .chat-note-word{color:var(--tg-accent)!important}.chat-note-ex{background:#00000026!important;border-left:3px solid var(--tg-accent)!important}.chat-note-block{background:#1a73e8!important;border:none!important;padding:8px 12px!important;margin:4px 0 8px 48px!important;width:auto!important;max-width:80%!important;min-width:250px!important;border-radius:8px!important;box-shadow:0 2px 8px #0003!important;color:#fff!important;gap:2px!important}[data-theme=light] .chat-note-block{background:#1a73e8!important}@media(max-width:768px){.chat-note-block{margin-left:12px!important;max-width:92%!important}}.chat-note-main-row{line-height:1.2!important}.chat-note-ex-row{line-height:1.1!important;border-top:1px solid rgba(255,255,255,.2)!important;padding-top:4px!important}.chat-note-block{background:#ffffff14!important;backdrop-filter:blur(20px) saturate(180%)!important;-webkit-backdrop-filter:blur(20px) saturate(180%)!important;border:1px solid rgba(255,255,255,.12)!important;border-left:4px solid var(--tg-accent)!important;padding:10px 14px!important;margin:6px 0 10px 48px!important;width:80%!important;min-width:260px!important;border-radius:12px!important;box-shadow:0 8px 32px #0003!important;display:flex!important;flex-direction:column!important;gap:4px!important;color:var(--tg-text-primary)!important}[data-theme=light] .chat-note-block{background:#ffffffd9!important;border-color:#0000000d!important;box-shadow:0 4px 15px #0000000d!important}@media(max-width:768px){.chat-note-block{margin-left:12px!important;width:calc(100% - 24px)!important;max-width:92%!important}}.chat-note-main-row{display:flex!important;align-items:center!important;gap:8px!important}.chat-note-word{font-size:16px!important;font-weight:700!important;color:var(--tg-accent)!important}.chat-note-phonetic{font-size:13px!important;color:var(--tg-text-secondary)!important;opacity:.7!important}.chat-note-def{margin-left:auto!important;font-size:14px!important;font-weight:600!important;color:var(--tg-text-primary)!important}.chat-note-ex-row{font-size:12px!important;color:var(--tg-text-secondary)!important;font-style:italic!important;border-top:1px dashed rgba(255,255,255,.1)!important;padding-top:6px!important;display:flex!important;align-items:center!important;gap:6px!important}[data-theme=light] .chat-note-ex-row{border-top-color:#0000000a!important}.btn-play-note-tiny{display:flex!important;align-items:center!important;justify-content:center!important;background:rgba(var(--tg-accent-rgb),.1)!important;border:none!important;color:var(--tg-accent)!important;border-radius:4px!important;padding:2px!important;cursor:pointer!important;transition:all .2s!important}.btn-play-note-tiny:hover{background:rgba(var(--tg-accent-rgb),.2)!important;transform:scale(1.1)!important}.chat-note-block{width:80%!important;margin:8px 0 12px 48px!important;border-radius:16px!important;padding:12px 18px!important}@media(max-width:768px){.chat-note-block{width:calc(100% - 24px)!important;margin-left:12px!important;max-width:92%!important}}.chat-note-block.shadow-modern{box-shadow:0 4px 20px #0000001a!important}.chat-note-main-row{display:flex!important;align-items:center!important;gap:12px!important;flex-wrap:wrap!important;width:100%!important}.chat-note-word-btn{display:flex!important;align-items:center!important;gap:6px!important;padding:6px 14px!important;background:rgba(var(--tg-accent-rgb, 82, 136, 193),.1)!important;border:1px solid rgba(var(--tg-accent-rgb, 82, 136, 193),.2)!important;border-radius:100px!important;color:var(--tg-accent)!important;cursor:pointer!important;transition:all .3s cubic-bezier(.4,0,.2,1)!important;-webkit-user-select:none!important;user-select:none!important}.chat-note-word-btn:hover{background:var(--tg-accent)!important;color:#fff!important;transform:translateY(-1px)!important;box-shadow:0 4px 12px rgba(var(--tg-accent-rgb, 120, 169, 218),.3)!important}.chat-note-word-btn:active{transform:scale(.96)!important}.word-text{font-weight:700!important;font-size:15px!important}.btn-icon{opacity:.7!important}.chat-note-word-btn:hover 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18px!important}.chat-note-def{margin-left:10px!important;font-size:17px!important;font-weight:700!important;color:var(--tg-accent)!important}.chat-note-main-row{margin-bottom:6px!important}.chat-note-ex-row{font-size:16px!important;line-height:1.5!important;opacity:1!important;color:var(--tg-text-primary)!important;white-space:normal!important}.btn-play-note-tiny,.btn-play-example-tiny-note{background:var(--tg-accent)!important;color:#fff!important;width:24px!important;height:24px!important;border-radius:50%!important;padding:0!important}.chat-note-block{margin:8px 24px 10px 48px!important;width:auto!important;max-width:80%!important;border-radius:12px!important;padding:10px 18px!important;box-shadow:0 4px 12px 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.chat-note-ex-row{border-top-color:#ffffff14!important}.chat-note-word{font-size:16px!important}.chat-note-def{font-size:15px!important}.chat-note-ex-row{font-size:13.5px!important;line-height:1.4!important}.chat-note-phonetic{font-size:11.5px!important}.chat-note-block{padding:8px 16px!important}.btn-play-note-tiny,.btn-play-example-tiny-note{width:20px!important;height:20px!important}.chat-note-block{width:calc(80% - 48px)!important;margin-left:48px!important;min-width:200px!important}@media(max-width:768px){.chat-note-block{width:calc(92% - 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#0000004d!important;border-radius:24px!important;overflow:hidden!important;height:900px!important;padding-top:0!important;box-sizing:border-box!important}}.notes-drawer-backdrop{background:#00000014!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}.reading-complete-indicator{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;background:transparent;color:#1a73e8;border-radius:100px;font-size:14px;font-weight:600;margin:10px auto;border:1px solid rgba(26,115,232,.2);width:fit-content}[data-theme=light] .reading-complete-indicator{background:#f0fdf4;border-color:#bbf7d0}.btn-voice:hover{color:var(--tg-accent, #3b82f6);background:transparent;transform:scale(1.1)}.btn-voice.recording{color:#ef4444!important;background:transparent;animation:voice-pulse-mic 1.5s infinite}.voice-recording-overlay{position:absolute;bottom:90px;left:50%;transform:translate(-50%);background:transparent;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);padding:14px 28px;border-radius:40px;display:flex;align-items:center;gap:16px;color:#fff;z-index:1000;box-shadow:0 15px 40px #0009;border:1px solid rgba(255,255,255,.15)!important;pointer-events:none;font-size:14px;font-weight:500}.bubble-text-en,.scene-bg-en{font-family:var(--font-serif)!important;font-weight:500}.btn-voice{background:transparent;border:none;color:var(--tg-text-secondary, #94a3b8);cursor:pointer;padding:6px;display:flex;align-items:center;justify-content:center;transition:all .2s cubic-bezier(.4,0,.2,1);border-radius:50%}.btn-voice:hover{color:var(--tg-accent, #3b82f6);background:#ffffff0d;transform:scale(1.1)}.btn-voice.recording{color:#ef4444!important;background:#ef44441a;animation:voice-pulse-mic 1.5s infinite}@keyframes voice-pulse-mic{0%{transform:scale(1);box-shadow:0 0 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recording-wave{0%,to{height:8px;opacity:.5}50%{height:20px;opacity:1}}.recording-status{letter-spacing:.5px;color:#f8fafc}.chat-input::placeholder{transition:color .3s}.chat-input:disabled{cursor:wait}[data-theme=light]{--primary: #7C3AED;--primary-light: #F5F3FF;--primary-rgb: 124, 58, 237;--glass: rgba(255,255,255,.72);--glass-border: rgba(255,255,255,.5);--shadow: 0 8px 32px rgba(124,58,237,.07);--shadow-sm: 0 2px 8px rgba(0,0,0,.03);--bg-elevated: #ffffff;--bg-surface: #f8fafc;--bg-hover: #f1f5f9;--border-subtle: #e2e8f0;--bg: linear-gradient(135deg, #f8fafc 0%, #eef2f7 50%, #e8edf5 100%)}[data-theme=dark]{--primary: #A78BFA;--primary-light: rgba(167, 139, 250, .1);--primary-rgb: 167, 139, 250;--glass: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .08);--shadow: 0 20px 50px rgba(0,0,0,.3);--shadow-sm: 0 2px 8px rgba(0,0,0,.2);--bg-elevated: #0f172a;--bg-surface: #020617;--bg-hover: #1e293b;--border-subtle: rgba(255, 255, 255, .1);--text-primary: #f8fafc;--text-secondary: #94a3b8;--bg: linear-gradient(135deg, #020617 0%, #0f172a 100%)}:root{--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-serif: "Georgia", "Times New Roman", serif}.academic-font{font-family:var(--font-serif)}.hl{font-family:var(--font-serif);font-weight:600;color:inherit;border-bottom:1.5px dashed #1e293b;padding-bottom:1px;margin:0;transition:all .2s ease}.hl.purple,.hl.teal,.hl.amber,.hl.coral,.hl.green{background:transparent;color:var(--primary)}[data-theme=dark] .hl.purple,[data-theme=dark] .hl.teal,[data-theme=dark] .hl.amber,[data-theme=dark] .hl.coral,[data-theme=dark] .hl.green{background:transparent;color:#c7d2fe;border-bottom-color:#c7d2fe}.connector-link{color:inherit;font-weight:400;border-bottom:1px dashed var(--border-subtle);padding-bottom:1px}.translation-container{margin-bottom:.85rem}.translation-row{color:var(--text-primary);font-size:1rem;font-weight:400;line-height:1.6;opacity:.9;font-family:Microsoft YaHei,PingFang 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.ipad-bezel:before{content:"";position:absolute;top:.5rem;left:50%;transform:translate(-50%);width:5px;height:5px;background:#222;border-radius:50%;box-shadow:0 0 4px #ffffff26}.speaking-page .ipad-screen{background:var(--bg-elevated);border-radius:2.25rem;overflow:hidden;display:flex;flex-direction:column;position:relative;height:calc(100vh - 140px);min-height:560px;flex:none}.speaking-page .ipad-screen:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 0% 0%,rgba(var(--primary-rgb),.08) 0%,transparent 40%),radial-gradient(circle at 100% 100%,rgba(var(--primary-rgb),.05) 0%,transparent 40%);z-index:0;pointer-events:none}.speaking-page .ipad-header{padding:1.25rem 2rem;background:var(--bg-elevated);border-bottom:1px solid 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.qs-card-word{color:#818cf8}.qs-card-word.phrase-mode{font-size:1.35rem;line-height:1.3;word-break:break-word}.qs-card-phonetic{font-family:JetBrains Mono,monospace;font-size:.82rem;color:#64748b;font-style:italic}[data-theme=dark] .qs-card-phonetic{color:#94a3b8}.qs-play-btn{padding:3px 6px!important;border-radius:6px!important;background:#6366f10d!important;border:1px solid rgba(99,102,241,.1)!important;color:#6366f1!important}.qs-play-btn:hover{background:#6366f11f!important}.qs-badge-level{font-size:.65rem;font-weight:800;padding:2px 7px;border-radius:4px;background:#64748b14;color:#475569;letter-spacing:.5px}[data-theme=dark] .qs-badge-level{background:#94a3b81a;color:#cbd5e1}.qs-card-def-wrapper{display:flex;align-items:flex-start;gap:8px;background:#6366f108;border-left:3px solid #6366f1;padding:10px 12px;border-radius:0 8px 8px 0}[data-theme=dark] 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var(--vip-border-light);border-radius:32px;box-shadow:var(--vip-shadow-md);padding:2.5rem;display:flex;flex-direction:column}[data-theme=dark] .vip-purchase-area,.dark .vip-purchase-area{background:var(--vip-card-bg-dark);border-color:var(--vip-border-dark);box-shadow:var(--vip-shadow-lg)}.purchase-header{text-align:center;margin-bottom:2rem}.purchase-header h2{font-size:24px;font-weight:850;letter-spacing:-.5px;margin:0 0 .5rem}.purchase-header-desc{font-size:13.5px;color:var(--vip-text-secondary-light);margin:0}[data-theme=dark] .purchase-header-desc,.dark .purchase-header-desc{color:var(--vip-text-secondary-dark)}.vip-toggle-wrapper{display:flex;flex-direction:column;align-items:center;margin-bottom:2.5rem}.vip-period-toggle{display:inline-flex;background:#0000000d;border-radius:99px;padding:4px;border:1px solid rgba(0,0,0,.03)}[data-theme=dark] .vip-period-toggle,.dark .vip-period-toggle{background:#ffffff0d;border-color:#ffffff05}.vip-period-toggle .toggle-btn{display:flex;align-items:center;justify-content:center;padding:10px 26px;font-size:13.5px;font-weight:700;border:none;background:transparent;color:var(--vip-text-secondary-light);border-radius:99px;cursor:pointer;transition:all .3s cubic-bezier(.16,1,.3,1)}[data-theme=dark] .vip-period-toggle .toggle-btn,.dark .vip-period-toggle .toggle-btn{color:var(--vip-text-secondary-dark)}.vip-period-toggle .toggle-btn.active{background:#fff;color:var(--vip-primary);box-shadow:var(--vip-shadow-sm)}[data-theme=dark] .vip-period-toggle .toggle-btn.active,.dark .vip-period-toggle .toggle-btn.active{background:#141a2e;color:#a78bfa;box-shadow:0 4px 14px #0000004d}.toggle-badge{font-size:10px;font-weight:800;padding:2px 7px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;border-radius:99px;margin-left:6px}.vip-toggle-hint{margin-top:.75rem;font-size:12px;color:var(--vip-text-secondary-light);opacity:.8;text-align:center}[data-theme=dark] .vip-toggle-hint,.dark .vip-toggle-hint{color:var(--vip-text-secondary-dark)}.vip-plans-grid{display:flex;justify-content:center;align-items:stretch;gap:2.25rem;margin-bottom:3rem;width:100%}@media(max-width:768px){.vip-plans-grid{flex-direction:column;align-items:center}}.vip-plan-card{flex:1;width:100%;max-width:390px;border:1px solid var(--vip-border-light);background:#ffffff73;border-radius:28px;padding:2.5rem;display:flex;flex-direction:column;justify-content:space-between;transition:all .4s cubic-bezier(.16,1,.3,1);position:relative}[data-theme=dark] .vip-plan-card,.dark .vip-plan-card{border-color:var(--vip-border-dark);background:#ffffff05}.vip-plan-card:hover{transform:translateY(-8px);border-color:#8b5cf64d;box-shadow:var(--vip-shadow-md)}[data-theme=dark] .vip-plan-card:hover,.dark .vip-plan-card:hover{border-color:#a78bfa4d;box-shadow:0 20px 40px #0006}.vip-plan-card.featured{border-color:var(--vip-primary);background:#8b5cf605;box-shadow:0 10px 30px #8b5cf60f}[data-theme=dark] 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6px;letter-spacing:-.5px}.plan-subtitle{font-size:12.5px;color:var(--vip-text-secondary-light);opacity:.85;margin:0;line-height:1.4}[data-theme=dark] .plan-subtitle,.dark .plan-subtitle{color:var(--vip-text-secondary-dark)}.plan-card-price-section{margin:1.5rem 0}.plan-price-row{display:flex;align-items:baseline}.price-symbol{font-size:22px;font-weight:700;color:var(--vip-primary);margin-right:3px}[data-theme=dark] .price-symbol,.dark .price-symbol{color:#a78bfa}.price-amount{font-size:46px;font-weight:950;letter-spacing:-1.5px;line-height:1}.price-unit{font-size:14px;font-weight:600;color:var(--vip-text-secondary-light);opacity:.8;margin-left:3px}[data-theme=dark] .price-unit,.dark .price-unit{color:var(--vip-text-secondary-dark)}.price-original{font-size:14px;color:var(--vip-text-secondary-light);opacity:.5;text-decoration:line-through;margin-left:10px}.promo-badge-inline{font-size:10px;font-weight:800;background:#ef44441a;color:#ef4444;padding:1px 6px;border-radius:4px;margin-left:6px}.price-equivalent{font-size:11.5px;margin-top:8px;color:var(--vip-text-secondary-light)}[data-theme=dark] .price-equivalent,.dark .price-equivalent{color:var(--vip-text-secondary-dark)}.price-equivalent .highlight{font-weight:750;color:var(--vip-primary)}[data-theme=dark] .price-equivalent .highlight,.dark .price-equivalent .highlight{color:#a78bfa}.price-equivalent .highlight-save{font-weight:750;color:#10b981}.plan-card-divider{height:1px;background:var(--vip-border-light);margin:1.5rem 0}[data-theme=dark] .plan-card-divider,.dark .plan-card-divider{background:var(--vip-border-dark)}.plan-pay-btn{width:100%;padding:15px;font-size:14.5px;font-weight:800;border:none;border-radius:16px;cursor:pointer;transition:all .3s cubic-bezier(.16,1,.3,1);display:flex;align-items:center;justify-content:center}.btn-standard{background:#f3f4f6;color:#111827;border:1px solid rgba(0,0,0,.05)}[data-theme=dark] .btn-standard,.dark 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6px;letter-spacing:-.3px}.table-header-desc{font-size:12.5px;color:var(--vip-text-secondary-light);margin:0 0 1.5rem}[data-theme=dark] .table-header-desc,.dark .table-header-desc{color:var(--vip-text-secondary-dark)}.vip-table-wrapper{overflow-x:auto;border-radius:16px;border:1px solid var(--vip-border-light);background:#ffffff80}[data-theme=dark] .vip-table-wrapper,.dark .vip-table-wrapper{border-color:var(--vip-border-dark);background:#0a0f1d66}.vip-table{width:100%;border-collapse:collapse;text-align:left}.vip-table th{font-size:13px;font-weight:800;padding:14px 20px;background:#00000005;border-bottom:1px solid var(--vip-border-light);color:var(--vip-text-secondary-light);letter-spacing:.3px}[data-theme=dark] .vip-table th,.dark .vip-table th{background:#ffffff05;border-bottom-color:var(--vip-border-dark);color:var(--vip-text-secondary-dark)}.th-feature{width:46%}.th-free,.th-vip{width:27%}.vip-table td{padding:14px 20px;border-bottom:1px solid 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.cell-text{color:var(--vip-text-secondary-dark)}.cell-text.text-success{color:#10b981}.cell-text-vip{color:var(--vip-secondary);font-weight:800}[data-theme=dark] .cell-text-vip,.dark .cell-text-vip{color:#f472b6}.vip-icon-check-vip,.vip-icon-x{border-radius:50%;padding:3px;width:20px;height:20px;flex-shrink:0}.vip-icon-check-vip{color:#10b981;background:#10b9811f}.vip-icon-x{color:#ef4444;background:#ef44441f}.vip-redeem-console{background:var(--vip-card-bg-light);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--vip-border-light);border-radius:32px;box-shadow:var(--vip-shadow-md);padding:2.5rem;display:flex;flex-direction:column}[data-theme=dark] .vip-redeem-console,.dark .vip-redeem-console{background:var(--vip-card-bg-dark);border-color:var(--vip-border-dark);box-shadow:var(--vip-shadow-lg)}.console-header{margin-bottom:2rem}.console-header h2{font-size:20px;font-weight:900;margin:0 0 4px;letter-spacing:-.3px}.console-desc{font-size:13px;color:var(--vip-text-secondary-light);margin:0}[data-theme=dark] .console-desc,.dark .console-desc{color:var(--vip-text-secondary-dark)}.console-tabs{display:flex;gap:10px;border-bottom:1px solid var(--vip-border-light);padding-bottom:12px;margin-bottom:2rem;overflow-x:auto}[data-theme=dark] .console-tabs,.dark .console-tabs{border-bottom-color:var(--vip-border-dark)}.console-tab-btn{display:flex;align-items:center;gap:8px;padding:10px 20px;font-size:13.5px;font-weight:750;border:none;background:transparent;color:var(--vip-text-secondary-light);cursor:pointer;border-radius:12px;white-space:nowrap;position:relative;transition:all .3s ease}[data-theme=dark] .console-tab-btn,.dark .console-tab-btn{color:var(--vip-text-secondary-dark)}.console-tab-btn:hover{background:#00000008;color:var(--vip-primary)}[data-theme=dark] .console-tab-btn:hover,.dark 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strong{color:var(--vip-secondary)}[data-theme=dark] .console-pane-desc strong,.dark .console-pane-desc strong{color:#f472b6}.fade-in{animation:pane-fade-in .35s ease forwards}@keyframes pane-fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.invite-loading-box{display:flex;align-items:center;justify-content:center;gap:10px;padding:3rem;color:var(--vip-text-secondary-light);font-size:13px}[data-theme=dark] .invite-loading-box,.dark .invite-loading-box{color:var(--vip-text-secondary-dark)}.invite-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin:.5rem 0}@media(max-width:640px){.invite-stats-grid{grid-template-columns:1fr}}.invite-stat-item{display:flex;align-items:center;gap:12px;background:#00000005;border:1px solid var(--vip-border-light);padding:16px 20px;border-radius:18px}[data-theme=dark] .invite-stat-item,.dark 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.field-label,.dark .field-label{color:var(--vip-text-secondary-dark)}.field-control{display:flex;align-items:center;justify-content:space-between;background:#00000008;border:1px solid var(--vip-border-light);border-radius:12px;padding:4px 6px 4px 16px;min-height:44px}[data-theme=dark] .field-control,.dark .field-control{background:#ffffff08;border-color:var(--vip-border-dark)}.field-val{font-weight:650;color:var(--vip-text-primary-light)}[data-theme=dark] .field-val,.dark .field-val{color:var(--vip-text-primary-dark)}.invite-code-val{font-size:16px;letter-spacing:2px;color:var(--vip-primary)}[data-theme=dark] .invite-code-val,.dark .invite-code-val{color:#a78bfa}.share-copy-btn{display:flex;align-items:center;gap:6px;background:var(--vip-gradient-pro);color:#fff;border:none;padding:8px 16px;font-size:12px;font-weight:750;border-radius:8px;cursor:pointer;transition:all .2s}.share-copy-btn:hover{filter:brightness(1.1);box-shadow:0 4px 12px #3b82f633}.share-copy-btn:disabled{opacity:.5;cursor:not-allowed}.invite-action-area{margin-top:.5rem}.invite-redeem-btn{width:100%;padding:14px;font-size:14px;font-weight:800;border:none;border-radius:14px;cursor:pointer;transition:all .3s;display:flex;align-items:center;justify-content:center}.invite-redeem-btn.active-glow{background:var(--vip-gradient-gold);color:#fff;box-shadow:0 4px 16px #f59e0b33}.invite-redeem-btn.active-glow:hover{transform:scale(1.01);box-shadow:0 8px 22px #f59e0b59}.invite-redeem-btn.disabled-btn{background:#0000000d;color:var(--vip-text-muted-light);cursor:not-allowed}[data-theme=dark] .invite-redeem-btn.disabled-btn,.dark .invite-redeem-btn.disabled-btn{background:#ffffff0a;color:var(--vip-text-muted-dark)}.invitees-collapse{border:1px solid var(--vip-border-light);border-radius:14px;overflow:hidden;background:#00000003}[data-theme=dark] .invitees-collapse,.dark 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th{padding:10px;background:#00000008;font-weight:700;border-bottom:1px solid var(--vip-border-light)}[data-theme=dark] .invitees-table th,.dark .invitees-table th{background:#ffffff08;border-bottom-color:var(--vip-border-dark)}.invitees-table td{padding:10px;border-bottom:1px solid rgba(0,0,0,.02)}[data-theme=dark] .invitees-table td,.dark .invitees-table td{border-bottom-color:#ffffff03}.invitees-table tr:last-child td{border-bottom:none}.invitee-status-badge{font-size:10.5px;font-weight:800;padding:2px 8px;border-radius:6px}.invitee-status-badge.redeemed{background:#10b9811f;color:#10b981}.invitee-status-badge.pending{background:#f59e0b1f;color:#fbbf24}.invitee-status-badge.verified{background:#3b82f61f;color:#3b82f6}.invitee-status-badge.unverified{background:#0000000f;color:var(--vip-text-muted-light)}.invitees-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1.5rem;color:var(--vip-text-muted-light);font-size:12px}[data-theme=dark] .invitees-empty,.dark .invitees-empty{color:var(--vip-text-muted-dark)}.gemini-loading{display:flex;align-items:center;justify-content:center;gap:8px;padding:2.5rem;font-size:13px}.gemini-bound-status{display:flex;flex-direction:column;gap:1.25rem}.gemini-status-panel{background:#00000005;border:1px solid var(--vip-border-light);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:12px}[data-theme=dark] .gemini-status-panel,.dark .gemini-status-panel{background:#ffffff05;border-color:var(--vip-border-dark)}.status-item{display:flex;align-items:center;justify-content:space-between;font-size:13px}.status-label{font-weight:750;color:var(--vip-text-secondary-light)}[data-theme=dark] .status-label,.dark .status-label{color:var(--vip-text-secondary-dark)}.key-display-wrapper{display:flex;align-items:center;gap:8px}.btn-icon-eye{border:none;background:transparent;color:var(--vip-text-muted-light);cursor:pointer;padding:4px}.status-indicator{display:flex;align-items:center;font-weight:700;font-size:12px}.status-indicator.active{color:#10b981}.status-indicator.invalid{color:#ef4444}.ping-dot{width:7px;height:7px;background:#10b981;border-radius:50%;margin-right:6px;display:inline-block;box-shadow:0 0 6px #10b981;animation:ping-wave 1.8s infinite ease-in-out}@keyframes ping-wave{0%{transform:scale(.9);opacity:1}50%{transform:scale(1.4);opacity:.6}to{transform:scale(.9);opacity:1}}.gemini-unbind-btn{width:100%;padding:12px;font-size:13px;font-weight:800;background:#ef44440f;border:1px solid rgba(239,68,68,.2);color:#ef4444;border-radius:12px;cursor:pointer;transition:all .2s}.gemini-unbind-btn:hover{background:#ef4444;color:#fff;box-shadow:0 4px 12px #ef444440}.gemini-bind-form-container{display:flex;flex-direction:column;gap:1.5rem}.gemini-form{display:flex;gap:12px}@media(max-width:640px){.gemini-form{flex-direction:column}}.gemini-input-container{flex:1;position:relative;display:flex;align-items:center}.gemini-input{width:100%;height:45px;padding:0 40px 0 16px;font-size:13.5px;font-weight:600;border:1px solid var(--vip-border-light);background:#00000003;border-radius:12px;color:var(--vip-text-primary-light);outline:none;transition:all .2s}[data-theme=dark] .gemini-input,.dark .gemini-input{border-color:var(--vip-border-dark);background:#ffffff05;color:var(--vip-text-primary-dark)}.gemini-input:focus{border-color:var(--vip-primary);box-shadow:0 0 0 3px #8b5cf626}.btn-form-eye{position:absolute;right:12px;border:none;background:transparent;color:var(--vip-text-muted-light);cursor:pointer;padding:4px}.gemini-submit-btn{height:45px;padding:0 24px;font-size:13.5px;font-weight:800;background:var(--vip-gradient-pro);color:#fff;border:none;border-radius:12px;cursor:pointer;white-space:nowrap;transition:all .2s}.gemini-submit-btn:hover{filter:brightness(1.1);box-shadow:0 4px 14px #3b82f640}.gemini-submit-btn:disabled{opacity:.5;cursor:not-allowed}.gemini-disclaimer-box{background:#00000003;border:1px dashed var(--vip-border-light);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:8px}[data-theme=dark] .gemini-disclaimer-box,.dark .gemini-disclaimer-box{border-color:var(--vip-border-dark)}.disclaimer-title{display:flex;align-items:center;font-weight:800;font-size:12.5px;color:var(--vip-text-primary-light);margin-bottom:4px}[data-theme=dark] .disclaimer-title,.dark .disclaimer-title{color:var(--vip-text-primary-dark)}.gemini-disclaimer-box p{font-size:11.5px;color:var(--vip-text-secondary-light);margin:0;line-height:1.5}[data-theme=dark] .gemini-disclaimer-box p,.dark .gemini-disclaimer-box p{color:var(--vip-text-secondary-dark)}.redeem-form{display:flex;gap:12px}@media(max-width:640px){.redeem-form{flex-direction:column}}.redeem-input{flex:1;height:45px;padding:0 16px;font-size:13.5px;font-weight:600;border:1px solid var(--vip-border-light);background:#00000003;border-radius:12px;color:var(--vip-text-primary-light);outline:none;transition:all .2s}[data-theme=dark] .redeem-input,.dark .redeem-input{border-color:var(--vip-border-dark);background:#ffffff05;color:var(--vip-text-primary-dark)}.redeem-input:focus{border-color:var(--vip-primary);box-shadow:0 0 0 3px #8b5cf626}.redeem-submit-btn{height:45px;padding:0 28px;font-size:13.5px;font-weight:800;background:var(--vip-gradient-ultra);color:#fff;border:none;border-radius:12px;cursor:pointer;white-space:nowrap;transition:all .2s}.redeem-submit-btn:hover{filter:brightness(1.08);box-shadow:0 4px 14px #ec489940}.redeem-submit-btn:disabled{opacity:.5;cursor:not-allowed}.redeem-tips{font-size:11.5px;color:var(--vip-text-secondary-light);opacity:.85}[data-theme=dark] .redeem-tips,.dark .redeem-tips{color:var(--vip-text-secondary-dark)}.orders-loading{display:flex;align-items:center;justify-content:center;gap:8px;padding:3rem;font-size:13px}.orders-table-wrapper{overflow-x:auto;border-radius:14px;border:1px solid var(--vip-border-light)}[data-theme=dark] .orders-table-wrapper,.dark .orders-table-wrapper{border-color:var(--vip-border-dark)}.orders-history-table{width:100%;border-collapse:collapse;text-align:left;font-size:12.5px}.orders-history-table th{padding:12px 16px;background:#00000008;font-weight:750;border-bottom:1px solid var(--vip-border-light);color:var(--vip-text-secondary-light)}[data-theme=dark] .orders-history-table th,.dark .orders-history-table th{background:#ffffff08;border-bottom-color:var(--vip-border-dark);color:var(--vip-text-secondary-dark)}.orders-history-table td{padding:12px 16px;border-bottom:1px solid rgba(0,0,0,.02)}[data-theme=dark] .orders-history-table td,.dark .orders-history-table td{border-bottom-color:#ffffff03}.orders-history-table tr:last-child td{border-bottom:none}.status-badge{font-size:10.5px;font-weight:800;padding:2px 8px;border-radius:6px}.status-badge.paid{background:#10b9811f;color:#10b981}.status-badge.pending{background:#f59e0b1f;color:#fbbf24}.status-badge.failed{background:#ef44441f;color:#ef4444}.orders-empty-state{display:flex;align-items:center;justify-content:center;padding:3rem;color:var(--vip-text-muted-light);font-size:13px}[data-theme=dark] .orders-empty-state,.dark .orders-empty-state{color:var(--vip-text-muted-dark)}.vip-modal-overlay{position:fixed;inset:0;background:#00000073;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:9999;animation:overlay-fade .3s ease}@keyframes overlay-fade{0%{opacity:0}to{opacity:1}}.vip-modal{width:90%;max-width:460px;background:#fff;border-radius:28px;border:1px solid rgba(0,0,0,.05);box-shadow:0 25px 50px -12px #00000040;overflow:hidden;animation:modal-zoom .3s cubic-bezier(.16,1,.3,1) forwards}[data-theme=dark] .vip-modal,.dark .vip-modal{background:#0f172a;border-color:#ffffff14}@keyframes modal-zoom{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}.modal-header{padding:20px 24px;border-bottom:1px solid rgba(0,0,0,.05);font-weight:800;font-size:16px;text-align:center}[data-theme=dark] .modal-header,.dark .modal-header{border-bottom-color:#ffffff0d}.modal-body{padding:24px;display:flex;flex-direction:column;align-items:center;text-align:center}.price-tag-label{font-size:12px;font-weight:700;color:var(--vip-text-secondary-light);opacity:.8}[data-theme=dark] .price-tag-label,.dark .price-tag-label{color:var(--vip-text-secondary-dark)}.price-tag{font-size:38px;font-weight:950;color:var(--vip-primary);margin:6px 0 12px}[data-theme=dark] .price-tag,.dark .price-tag{color:#a78bfa}.modal-body .desc{font-size:13px;color:var(--vip-text-secondary-light);line-height:1.5}[data-theme=dark] .modal-body .desc,.dark .modal-body .desc{color:var(--vip-text-secondary-dark)}.mock-pay-box{width:100%;background:#10b9810a;border:1px dashed rgba(16,185,129,.3);border-radius:16px;padding:16px;margin-top:1.5rem}.mock-title{font-size:12.5px;font-weight:850;color:#10b981}.mock-desc{font-size:11px;color:var(--vip-text-secondary-light);opacity:.9;line-height:1.4}[data-theme=dark] .mock-desc,.dark .mock-desc{color:var(--vip-text-secondary-dark)}.mock-pay-btn{width:100%;padding:10px;font-size:12px;font-weight:800;background:#10b981;color:#fff;border:none;border-radius:10px;cursor:pointer;transition:all .2s}.mock-pay-btn:hover{filter:brightness(1.08);box-shadow:0 4px 12px #10b98140}.modal-footer{padding:16px 24px;border-top:1px solid rgba(0,0,0,.05);display:flex;justify-content:flex-end;gap:12px;background:#00000003}[data-theme=dark] .modal-footer,.dark .modal-footer{border-top-color:#ffffff0d;background:#ffffff03}.modal-btn-cancel,.modal-btn-primary{padding:10px 20px;font-size:13px;font-weight:750;border-radius:10px;cursor:pointer;transition:all .2s}.modal-btn-cancel{background:transparent;border:1px solid var(--vip-border-light);color:var(--vip-text-secondary-light)}[data-theme=dark] .modal-btn-cancel,.dark .modal-btn-cancel{border-color:var(--vip-border-dark);color:var(--vip-text-secondary-dark)}.modal-btn-cancel:hover{background:#00000008}[data-theme=dark] .modal-btn-cancel:hover,.dark .modal-btn-cancel:hover{background:#ffffff08}.modal-btn-primary{background:var(--vip-gradient-ultra);color:#fff;border:none}.modal-btn-primary:hover{filter:brightness(1.08);box-shadow:0 4px 12px #ec489933}@keyframes crown-glow{0%{filter:drop-shadow(0 0 4px rgba(251,191,36,.4));transform:scale(1)}50%{filter:drop-shadow(0 0 10px rgba(251,191,36,.75));transform:scale(1.05)}to{filter:drop-shadow(0 0 4px rgba(251,191,36,.4));transform:scale(1)}}.fake-door-modal-overlay{position:fixed;inset:0;background:#0f172aa6;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:999;padding:16px;box-sizing:border-box}.fake-door-modal-card{background:#1e293bd9;backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);border:1px solid rgba(255,255,255,.08);border-radius:24px;padding:32px 28px;max-width:480px;width:100%;box-shadow:0 30px 60px #00000080,inset 0 1px #ffffff1a;position:relative;box-sizing:border-box}.modal-close-btn{position:absolute;top:20px;right:20px;background:none;border:none;color:#94a3b8;cursor:pointer;padding:4px;border-radius:50%;transition:background .2s,color .2s}.modal-close-btn:hover{background:#ffffff14;color:#fff}.modal-crown-wrap{width:68px;height:68px;border-radius:20px;background:linear-gradient(135deg,#ec489940,#a855f740);border:1px solid rgba(236,72,153,.4);color:#f472b6;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 0 25px #ec48994d}.modal-title{font-size:20px;font-weight:800;color:#fff;text-align:center;margin:0 0 16px;letter-spacing:-.01em}.modal-body{display:flex;flex-direction:column;gap:16px}.modal-body .highlight-text{font-size:13.5px;font-weight:700;color:#f1f5f9;margin:0;text-align:center}.modal-body .desc-text{font-size:12.5px;color:#94a3b8;line-height:1.6;margin:0;text-align:center}.gift-banner{background:#a855f726;border:1px solid rgba(168,85,247,.3);border-radius:12px;padding:12px 14px;font-size:11.5px;line-height:1.5;color:#e9d5ff;display:flex;gap:8px;align-items:flex-start}.gift-banner svg{flex-shrink:0;margin-top:2px;color:#d946ef}.modal-email-form{display:flex;flex-direction:column;gap:10px;margin-top:8px}.modal-email-input{width:100%;background:#0f172a80;border:1px solid rgba(255,255,255,.15);border-radius:10px;padding:12px 14px;font-size:13px;color:#fff;outline:none;text-align:center;box-sizing:border-box}.modal-email-input:focus{border-color:#a855f7;box-shadow:0 0 0 2px #a855f733}.modal-submit-btn{background:linear-gradient(135deg,#a855f7,#6366f1);border:none;border-radius:10px;color:#fff;padding:12px;font-size:13px;font-weight:700;cursor:pointer;box-shadow:0 4px 15px #a855f74d;transition:all .25s}.modal-submit-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px #a855f78c}.wechat-invite{text-align:center;border-top:1px solid rgba(255,255,255,.08);padding-top:14px;margin-top:6px}.wechat-invite .label{font-size:11px;color:#64748b;margin:0 0 6px}.wechat-code{background:#ffffff0f;border:1px dashed rgba(255,255,255,.2);border-radius:6px;padding:4px 12px;font-size:11.5px;color:#38bdf8;font-family:monospace}.modal-success-screen{display:flex;flex-direction:column;align-items:center;text-align:center;padding:10px 0}.modal-success-screen .success-icon{color:#10b981;margin-bottom:16px;filter:drop-shadow(0 0 8px rgba(16,185,129,.3))}.modal-success-screen .success-desc{font-size:13.5px;color:#e2e8f0;margin:0 0 8px;line-height:1.5}.modal-success-screen .success-subdesc{font-size:12px;color:#64748b;margin:0 0 24px;line-height:1.5}.modal-done-btn{background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:10px;color:#fff;padding:10px 24px;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s;width:100%}.modal-done-btn:hover{background:#ffffff26}@media(max-width:768px){.vip-container{padding:1rem .75rem 3rem!important}.vip-inner{gap:1.25rem!important}.vip-purchase-area{padding:1.5rem 1rem!important;border-radius:20px!important}.purchase-header{margin-bottom:1.25rem!important}.purchase-header h2{font-size:20px!important}.vip-toggle-wrapper{margin-bottom:1.25rem!important}.vip-period-toggle .toggle-btn{padding:8px 18px!important;font-size:12.5px!important}.vip-plans-grid{gap:1rem!important;margin-bottom:1.5rem!important}.vip-plan-card{padding:1.5rem 1.25rem!important;border-radius:20px!important}.plan-card-header{margin-bottom:.75rem!important}.plan-name{font-size:18px!important}.plan-card-price-section{margin:.75rem 0!important}.price-amount{font-size:34px!important}.plan-card-divider{margin:1rem 0!important}.plan-pay-btn{padding:11px!important;font-size:13.5px!important;border-radius:12px!important}.vip-agreement-hint{margin-top:1rem!important}.vip-redeem-console{padding:1.5rem 1rem!important;border-radius:20px!important}.console-header{margin-bottom:1.25rem!important}.console-header h2{font-size:18px!important}.console-tabs{flex-wrap:wrap!important;gap:8px!important;border-bottom:none!important;padding-bottom:0!important;margin-bottom:1.25rem!important}.console-tab-btn{width:calc(50% - 4px)!important;flex:1 1 calc(50% - 4px)!important;padding:8px 10px!important;font-size:12px!important;justify-content:center!important}.vip-comparison-box{padding:1.25rem 1rem!important;border-radius:16px!important}.vip-table{min-width:600px!important}.vip-table th,.vip-table td{padding:10px 12px!important}}.bubble-wrapper{display:flex;gap:.75rem;max-width:85%;margin-bottom:.5rem}.bubble-wrapper.ai{align-self:flex-start}.bubble-wrapper.user{align-self:flex-end;flex-direction:row-reverse}.bubble-avatar{width:36px;height:36px;border-radius:50%;background:var(--bg-card);display:flex;align-items:center;justify-content:center;font-size:1.25rem;flex-shrink:0;box-shadow:var(--shadow-sm);border:1px solid var(--border-light)}.bubble-content{padding:.875rem 1.125rem;border-radius:18px;position:relative;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:.375rem;width:fit-content;max-width:100%}.bubble-content.ai{background:var(--bg-card, rgba(255, 255, 255, .95));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#000;border-bottom-left-radius:4px;border:1px solid var(--border-light, rgba(0, 0, 0, .05));box-shadow:0 4px 15px #0000000d}.bubble-content.user{background:#e0f2fe;color:#0f172a;border-bottom-right-radius:4px;box-shadow:0 2px 5px #0000000d;border:1px solid #bae6fd}.bubble-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.25rem}.role-name{font-size:10px;font-weight:700;color:#94a3b8;text-transform:uppercase;letter-spacing:.05em}.bubble-actions{display:flex;gap:4px}.action-icon{background:transparent;border:none;color:#94a3b8;cursor:pointer;padding:2px;display:flex;align-items:center;justify-content:center;transition:all .2s;border-radius:4px}.action-icon:hover{color:#6366f1;background:#6366f10d}.action-icon.active{color:#6366f1}.bubble-text{font-size:1rem;line-height:1.5;word-break:break-word}.bubble-text.English{font-family:Georgia,Times New Roman,serif;font-size:1.125rem;color:#1e293b;font-weight:500;line-height:1.6}.bubble-translation{font-size:.875rem;color:#64748b;border-top:1px dashed rgba(0,0,0,.15);padding-top:.6rem;margin-top:.5rem;font-style:italic;opacity:.95}.spinning{animation:spin 1s linear infinite}.bubble-image-container{margin-bottom:12px;border-radius:8px;overflow:hidden;display:flex;justify-content:center;background-color:var(--surface-hover)}.bubble-image{max-width:100%;max-height:380px;object-fit:contain;border-radius:8px}.bubble-image-loading{display:flex;justify-content:center;align-items:center;height:150px;color:var(--text-secondary)}.bubble-content.glass{background:linear-gradient(135deg,#fffffff2,#fafaf9d9);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.8);box-shadow:0 4px 15px #00000008}.bubble-content.user.glass{background:linear-gradient(135deg,#eff6fff2,#dbeafed9);border:1px solid rgba(255,255,255,.6)}.bubble-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}.bubble-avatar.user{background:#ffdfbf;display:flex;align-items:center;justify-content:center;font-size:20px}.bubble-image-index-badge{position:absolute;top:8px;right:8px;background:transparent;color:#fff;text-shadow:-1px -1px 0 rgba(0,0,0,.5),1px -1px 0 rgba(0,0,0,.5),-1px 1px 0 rgba(0,0,0,.5),1px 1px 0 rgba(0,0,0,.5),0 1px 3px rgba(0,0,0,.8);font-size:11px;font-weight:700;padding:0;z-index:5;pointer-events:none;letter-spacing:.05em;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;border:none}.image-chat-layout{display:flex;justify-content:center;align-items:center;padding:20px;height:100vh;box-sizing:border-box;background:linear-gradient(180deg,#f8fafc,#f1f5f9)}.image-chat-layout .chat-room-left{height:100%;display:flex;justify-content:center;align-items:center;width:100%;flex:1}.chat-container{position:relative;height:100%;display:flex;flex-direction:column;overflow:hidden;background:#f8fafc;border-radius:24px}.chat-container.has-wallpaper{background-color:#f8fafc;background-size:cover;background-position:center;background-repeat:no-repeat;transition:background-image .5s ease}.chat-container.has-wallpaper:before{display:none!important}.chat-container-inner{position:relative;z-index:2;flex:1;display:flex;flex-direction:column;overflow:hidden}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:#ffffffb3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.2);position:relative;z-index:10}.chat-container.has-wallpaper .bubble-content.user.glass{background:#dbeafed9;border:1px solid rgba(147,197,253,.4)}.chat-container.has-wallpaper .chat-header{background:#ffffffb3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,0,0,.05)}.chat-header-title{position:absolute;left:50%;transform:translate(-50%);font-family:Dancing Script,Georgia,cursive,serif;font-style:italic;font-weight:700;font-size:28px;letter-spacing:.05em;color:#4f46e5;white-space:nowrap}.btn-back{display:flex;align-items:center;gap:4px;background:transparent;border:none;color:#3b82f6;font-weight:600;font-size:15px;cursor:pointer;padding:0}.learned-badge{background:#f1f5f9;color:#475569;padding:4px 10px;border-radius:12px;display:flex;align-items:center;gap:4px;font-size:13px;font-weight:500}.btn-header-action{background:transparent;border:none;color:#475569;cursor:pointer;padding:6px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s}.btn-header-action:hover{background:#0000000d;color:#6366f1}.chat-menu-popup{position:absolute;background:#fff;border-radius:12px;box-shadow:0 10px 25px #00000026;padding:8px;display:flex;flex-direction:column;gap:4px;min-width:180px;z-index:100;border:1px solid rgba(0,0,0,.05)}.chat-menu-popup.bottom-popup{inset:auto auto 60px 0;animation:slideUp .2s ease}.chat-menu-popup .menu-item{display:flex;align-items:center;gap:10px;padding:10px 12px;background:transparent;border:none;border-radius:8px;cursor:pointer;font-size:14px;color:#475569;text-align:left;transition:all .2s}.chat-menu-popup .menu-item:hover{background:#f1f5f9;color:#6366f1}.chat-menu-popup .menu-item.delete{color:#ef4444}.chat-menu-popup .menu-item.delete:hover{background:#fef2f2}.menu-divider{height:1px;background:#f1f5f9;margin:4px 8px}.image-chat-messages{flex:1;overflow-y:auto;padding:24px 20px;display:flex;flex-direction:column;gap:20px;scroll-behavior:smooth}.image-chat-messages .bubble-text{font-size:1.05rem;line-height:1.5}.image-chat-messages .bubble-translation{font-size:.9rem}.image-chat-messages .bubble-image{max-height:380px}.message-wrapper{display:flex;width:100%;margin:0 auto;max-width:800px}.message-wrapper.user{justify-content:flex-end}.image-chat-input-area{padding:8px 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