:root{--bg-primary: #0a0a1a;--bg-secondary: #12122a;--bg-card: #1a1a3e;--bg-hover: #22224e;--text-primary: #f0f0ff;--text-secondary: #8888aa;--text-muted: #555577;--accent: #6c63ff;--accent-hover: #5a52e0;--accent-glow: rgba(108, 99, 255, .3);--success: #4ecdc4;--error: #ff6b6b;--warning: #ffd93d;--border: #2a2a4e;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 9999px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.5;min-height:100dvh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{max-width:480px;margin:0 auto;padding:0 16px;min-height:100dvh}.page{display:flex;flex-direction:column;min-height:100dvh;padding:16px 0}.page-header{display:flex;align-items:center;gap:12px;padding:8px 0 24px}.page-header h1{font-size:1.5rem;font-weight:700}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:all .15s ease;-webkit-tap-highlight-color:transparent;min-height:48px;position:relative;overflow:hidden;transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;width:100%}.btn-primary:hover:not(:disabled){background:var(--accent-hover);box-shadow:0 0 20px var(--accent-glow)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border);width:100%}.btn-secondary:hover:not(:disabled){background:var(--bg-hover)}.btn:active:not(:disabled){transform:translateY(1px) scale(.985)}.btn-large{flex-direction:column;padding:20px 24px;text-align:center}.btn-icon{font-size:1.5rem}.btn-desc{font-size:.8rem;font-weight:400;color:var(--text-secondary);margin-top:4px}.back-btn{background:none;border:none;color:var(--text-secondary);font-size:1rem;cursor:pointer;padding:8px;border-radius:var(--radius-sm);-webkit-tap-highlight-color:transparent}.back-btn:hover{color:var(--text-primary);background:var(--bg-card)}.landing{justify-content:center;padding:28px 0 20px}.landing-shell{display:flex;flex:1;flex-direction:column;justify-content:center;gap:24px}.landing-hero{display:flex;flex-direction:column;gap:10px;padding:0 4px}.landing-title{font-size:1.5rem;font-weight:650;letter-spacing:-.03em;line-height:1.15;max-width:14ch}.logo-icon{font-size:.95rem}.landing-subtitle{color:var(--text-secondary);font-size:.82rem;letter-spacing:.02em;text-transform:uppercase}.landing-badge{display:inline-flex;align-items:center;gap:8px;width:fit-content;padding:7px 12px;border:1px solid rgba(140,155,180,.18);border-radius:var(--radius-full);background:#151e2ee0;color:#cfd8e6;font-size:.82rem;font-weight:600;letter-spacing:.01em}.language-selector{display:flex;flex-direction:column;gap:12px}.language-selector-header{display:flex;flex-direction:column;gap:4px}.language-label{display:block;font-size:.9rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.14em}.language-meta,.language-title{color:var(--text-muted);font-size:.84rem;line-height:1.4}.language-title{color:var(--text-secondary)}.language-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.language-option{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:14px 10px;background:var(--bg-card);border:2px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all .15s ease;-webkit-tap-highlight-color:transparent;min-height:48px}.language-option:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border)}.language-option.selected{border-color:var(--accent);background:#6c63ff1a}.language-option:disabled{opacity:.5;cursor:not-allowed}.language-flag{font-size:1.35rem}.language-native{font-size:.82rem;font-weight:700;color:var(--text-primary);line-height:1.2}.room-entry{--entry-accent: #67e8f9;--entry-accent-strong: #34d6ff;--entry-accent-soft: rgba(103, 232, 249, .16);--entry-surface: linear-gradient(180deg, rgba(18, 18, 42, .94) 0%, rgba(11, 13, 32, .96) 100%);justify-content:flex-start;padding:18px 0 32px}.room-entry .back-btn{color:#b6c9de}.room-entry .back-btn:hover{color:var(--text-primary);background:#14222fcc}.entry-nav{width:min(100%,430px);margin:0 auto 10px}.entry-shell{width:min(100%,430px);margin:0 auto;display:flex;flex-direction:column;gap:20px;flex:1}.entry-hero{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}.entry-hero--primary{align-items:flex-start;gap:6px;padding:0 2px;text-align:left}.entry-eyebrow,.section-eyebrow,.room-entry .language-label{color:var(--entry-accent);text-transform:uppercase;letter-spacing:.16em;font-size:.77rem;font-weight:700}.entry-title{max-width:12ch;font-size:clamp(2rem,7vw,2.6rem);line-height:1.08;letter-spacing:-.03em;word-break:keep-all;overflow-wrap:normal;text-wrap:balance}.entry-subtitle{max-width:28ch;color:#a8bbcc;font-size:.98rem;text-wrap:pretty}.entry-card{display:flex;flex-direction:column;gap:20px;padding:22px 18px 18px;border-radius:24px;border:1px solid rgba(103,232,249,.12);background:var(--entry-surface);box-shadow:0 22px 60px 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.entry-tabs{gap:6px;padding:4px;border-radius:16px}.room-entry--primary .entry-tab{min-height:38px;font-size:.88rem}.room-entry--primary .language-selector{gap:10px}.room-entry--primary .language-grid{gap:6px}.room-entry--primary .language-option{min-height:66px;padding:12px 8px}.entry-tab{min-height:42px;border:none;border-radius:12px;background:transparent;color:#8fa3b6;font-size:.9rem;font-weight:700;cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease}.entry-tab:hover{color:#d7e8f7}.entry-tab:disabled{cursor:default;opacity:.72}.entry-tab--active{background:linear-gradient(135deg,#3dd7f43d,#6370ff3d);color:#fff;box-shadow:inset 0 0 0 1px #8de6ff2e}.invite-banner{display:flex;flex-direction:column;gap:8px;padding:18px;border-radius:20px;border:1px solid rgba(103,232,249,.16);background:#0b1723c7;box-shadow:0 14px 40px #02081447}.invite-banner__eyebrow{color:var(--entry-accent);text-transform:uppercase;letter-spacing:.16em;font-size:.72rem;font-weight:700}.invite-banner__title{font-size:1.2rem;line-height:1.2}.invite-banner__body{color:#a8bbcc;font-size:.9rem;line-height:1.5}.entry-card--status{align-items:center;text-align:center}.entry-section{display:flex;flex-direction:column;gap:10px}.field-helper{color:#94a8bb;font-size:.88rem;line-height:1.45;text-wrap:pretty}.field-helper--center{max-width:28ch;text-align:center}.entry-footnote{width:min(100%,32ch);margin:0 auto;color:#7e91a4;font-size:.78rem;line-height:1.45;text-align:center;text-wrap:pretty}.room-entry .language-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.room-entry .language-option{min-height:74px;background:#181d38e6;border-color:#67e8f914}.room-entry .language-option:hover:not(:disabled){background:#1b233ff5;border-color:#67e8f947;transform:translateY(-1px)}.room-entry .language-option.selected{border-color:var(--entry-accent-strong);background:#18354d8c;box-shadow:inset 0 0 0 1px #67e8f933}.room-entry .language-native{white-space:nowrap}.room-code-input{gap:8px}.room-code-input--invite{padding-left:14px;border-left:4px solid var(--entry-accent)}.invite-code-field{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid rgba(103,232,249,.24);border-radius:16px;background:#0c1420b8;cursor:text;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.invite-code-field:hover{border-color:#67e8f961}.invite-code-field:focus-within{border-color:var(--entry-accent-strong);box-shadow:0 0 0 3px #67e8f91f;transform:translateY(-1px)}.invite-code-field--invalid{border-color:#ff6b6bb3}.entry-text-field{display:flex;align-items:center;padding:12px 14px;border:1px solid rgba(103,232,249,.24);border-radius:16px;background:#0c1420b8;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.entry-text-field:focus-within{border-color:var(--entry-accent-strong);box-shadow:0 0 0 3px #67e8f91f;transform:translateY(-1px)}.entry-text-field__input{width:100%;border:none;background:transparent;color:var(--text-primary);font-size:1rem;outline:none}.entry-text-field__input::placeholder{color:#7e91a4}.code-input{flex:1;width:100%;padding:0;font-family:var(--font-mono);font-size:1.5rem;font-weight:800;letter-spacing:.18em;text-align:left;text-transform:uppercase;background:transparent;border:none;color:var(--text-primary);outline:none}.code-input::placeholder{color:#53657a}.code-input:disabled{opacity:.65}.invite-code-edit-hint{flex-shrink:0;color:#7e91a4;font-size:.74rem;letter-spacing:.04em}.code-hint,.code-error{display:block;font-size:.82rem;line-height:1.4}.code-hint{color:#8fa3b6}.code-error{color:var(--error)}.room-code-banner{display:flex;align-items:center;justify-content:center;min-height:76px;padding:10px 16px;border-left:4px solid var(--entry-accent);border-radius:16px;background:#0b1723c7}.room-code-value{font-family:var(--font-mono);font-size:clamp(1.6rem,5vw,2.2rem);font-weight:800;letter-spacing:.16em;color:var(--entry-accent-strong)}.entry-cta{background-image:linear-gradient(135deg,#3dd7f4,#3f9dfd 45%,#8d72ff);box-shadow:0 18px 36px #3dd7f42e,0 0 0 1px #ffffff14 inset}.entry-cta:before{content:"";position:absolute;top:1px;right:1px;bottom:1px;left:1px;border-radius:inherit;background:linear-gradient(120deg,#ffffff47,#fff0 42%);opacity:.9;pointer-events:none}.entry-cta:hover:not(:disabled){box-shadow:0 22px 46px #3dd7f447,0 0 28px #3dd7f42e;filter:saturate(1.08)}.qr-display{align-items:center;text-align:center}.qr-container{background:#fff;padding:16px;border-radius:22px;display:inline-block;box-shadow:0 18px 38px 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var(--border);border-radius:var(--radius-md);padding:12px;display:flex;flex-direction:column;gap:10px}.session-log-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.session-log-header .btn{width:auto;padding:8px 14px;min-height:40px}.session-empty{color:var(--text-muted);font-size:.9rem}.turn{border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px;background:var(--bg-card);display:flex;flex-direction:column;gap:6px}.turn-a{border-left:4px solid var(--accent)}.turn-b{border-left:4px solid var(--success)}.turn-meta{color:var(--text-muted);font-size:.76rem}.turn-original{color:var(--text-primary);font-size:.95rem}.turn-translated{color:var(--success);font-size:.95rem;font-weight:600}.live-session{gap:12px;padding-top:max(10px,env(safe-area-inset-top));padding-bottom:0;min-height:100dvh}.live-session--chat{background:radial-gradient(circle at top,rgba(98,128,255,.18),transparent 36%),linear-gradient(180deg,#090f18,#070b12)}.status-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;box-shadow:0 0 0 4px #ffffff08}.status-dot--connected{background:var(--success)}.status-dot--connecting{background:var(--warning);animation:pulse 1.2s ease-in-out infinite}.status-dot--disconnected{background:var(--text-muted)}.status-dot--error{background:var(--error)}.live-chat-topbar{position:relative;display:grid;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:8px;min-height:52px;height:52px}.live-chat-topbar__center{display:flex;align-items:center;justify-content:center;min-width:0}.live-chat-topbar__status{display:inline-flex;align-items:center;gap:5px;min-width:0;padding:0 10px;height:32px;border:1px solid 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#020a1833}.live-chat-presence--trigger[aria-expanded=true]{background:linear-gradient(180deg,#768dff2e,#6d7dee1f);border-color:#8fa7ff61;box-shadow:0 12px 30px #1e2e6a3d}.live-chat-presence__icon{display:inline-flex;width:18px;height:18px;transition:transform .2s ease}.live-chat-presence__icon svg{width:100%;height:100%}.live-chat-presence--trigger[aria-expanded=true] .live-chat-presence__icon{transform:translateY(-.5px) scale(1.03)}.live-chat-presence__count{position:absolute;top:-4px;right:-4px;display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 4px;border-radius:var(--radius-full);background:linear-gradient(135deg,#8de6ff,#6d8cff 48%,#5565f4);box-shadow:0 6px 16px #475ff44d;color:#fff;font-family:var(--font-mono);font-size:.64rem;font-weight:700;line-height:1}.btn-sm{padding:8px 14px;font-size:.85rem;min-height:36px;width:auto}.live-chat-menu-drawer{position:absolute;top:calc(100% + 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