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4px}.attachment-remove:hover{color:var(--danger)}.attach-error{font-size:12px;color:var(--danger);margin-bottom:8px}.msg-user-body{display:flex;flex-direction:column;gap:10px}.msg-user-text{white-space:pre-wrap;overflow-wrap:break-word}.msg-attachments{display:flex;flex-wrap:wrap;gap:8px}.msg-attachment-image-wrap{display:block;border-radius:10px;overflow:hidden;max-width:240px}.msg-attachment-image{display:block;max-width:100%;max-height:200px;object-fit:cover}.msg-attachment-file{display:flex;align-items:center;gap:6px;padding:8px 10px;background:#0003;border-radius:8px;font-size:12px}.msg-attachment-file-name{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.msg-attachment-file-size{font-family:var(--font-mono);color:var(--ink3);font-size:10px}.input-bar textarea{width:100%;resize:none;border:none;border-radius:8px;height:36px;min-height:36px;padding:8px 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auto minmax(0,1fr) auto auto;grid-template-areas:"head" "stage" "transcript" "controls" "foot";row-gap:14px}.tutor-stage{justify-content:flex-start;padding:0}.tutor-orb{width:124px;height:124px}.tutor-status{font-size:24px}.tutor-mic{width:92px;height:92px}}@media (max-height: 720px){.tutor-room{row-gap:10px}.tutor-stage{gap:7px}.tutor-orb{width:clamp(88px,18vh,142px);height:clamp(88px,18vh,142px)}.tutor-status{font-size:clamp(18px,4vh,24px)}.tutor-greeting,.tutor-room__error{display:none}.tutor-mic{width:clamp(72px,13vh,92px);height:clamp(72px,13vh,92px)}}:root{--char-bg: oklch(15% .012 75);--char-surface: oklch(19% .014 75);--char-raised: oklch(23% .016 75);--char-border: oklch(85% .018 75 / .14);--char-text: oklch(93% .012 78);--char-muted: oklch(68% .018 78);--char-faint: oklch(52% .014 78);--char-gold: oklch(75% .11 78);--char-gold-pale: oklch(87% .06 82);--char-danger: oklch(67% .18 25);--char-radius: 16px}.chars-page{min-height:100dvh;background:radial-gradient(circle at 82% -10%,oklch(29% .045 78 / .42),transparent 30rem),var(--char-bg);color:var(--char-text);font-family:var(--font-sans, system-ui, sans-serif);display:flex;flex-direction:column}.chars-page button{font-family:inherit}.chars-page button:focus-visible,.chars-page input:focus-visible{outline:2px solid var(--char-gold);outline-offset:3px}.chars-auth{align-items:center;justify-content:center;padding:24px}.chars-auth-card{width:100%;max-width:440px;padding:clamp(28px,6vw,48px);background:#18130df5;border:1px solid var(--char-border);border-radius:2px;box-shadow:0 28px 80px #01000073}.chars-title{color:var(--char-text);font-size:clamp(1.65rem,4vw,2.1rem);line-height:1.05;letter-spacing:-.045em;font-weight:570;margin:0}.chars-auth-card .chars-title{text-align:center}.chars-subtitle{margin:12px auto 30px;max-width:27ch;color:var(--char-muted);font-size:.92rem;line-height:1.55;text-align:center}.chars-auth-toggle{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-bottom:24px;padding:4px;background:#080503;border:1px solid var(--char-border)}.chars-auth-toggle button{min-height:40px;border:0;background:transparent;color:var(--char-muted);font-size:.82rem;font-weight:600;cursor:pointer;transition:color .2s ease,background .2s ease}.chars-auth-toggle button.active{background:var(--char-raised);color:var(--char-gold-pale);box-shadow:inset 0 -1px 0 var(--char-gold)}.chars-auth-form{display:flex;flex-direction:column;gap:9px}.chars-auth-form label,.chars-section-label,.chars-eyebrow{color:var(--char-faint);font-size:.68rem;font-weight:650;letter-spacing:.13em;text-transform:uppercase}.chars-auth-form label:not(:first-child){margin-top:10px}.chars-auth-form input{min-height:46px;padding:0 13px;border:1px solid var(--char-border);border-radius:4px;background:#090704;color:var(--char-text);font-size:.95rem;transition:border-color .2s ease,background .2s ease}.chars-auth-form input::placeholder{color:var(--char-faint)}.chars-auth-form input:focus{border-color:var(--char-gold);background:#110c07;outline:0}.chars-auth-error,.chars-error{margin:6px 0;color:var(--char-danger);font-size:.84rem}.chars-auth-submit{margin-top:10px;min-height:48px;border:1px solid var(--char-gold);border-radius:4px;background:var(--char-gold);color:#110c07;font-size:.9rem;font-weight:750;cursor:pointer;transition:background .2s ease,transform .2s ease}.chars-auth-submit:hover:not(:disabled),.chars-btn-primary:hover:not(:disabled){background:var(--char-gold-pale);transform:translateY(-1px)}.chars-auth-submit:disabled{opacity:.55;cursor:wait}.chars-auth-hint{margin:20px 0 0;color:var(--char-faint);font-size:.78rem;line-height:1.5;text-align:center}.chars-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px clamp(20px,5vw,64px);border-bottom:1px solid var(--char-border)}.chars-header-left,.chars-header-right{display:flex;align-items:center;gap:14px;min-width:0}.chars-eyebrow{margin:0 0 7px;color:var(--char-gold)}.chars-badge{padding:5px 8px;border:1px solid oklch(75% .11 78 / .42);color:var(--char-gold);font-size:.62rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap}.chars-user{max-width:min(32vw,280px);overflow:hidden;color:var(--char-muted);font-size:.78rem;text-overflow:ellipsis;white-space:nowrap}.chars-main{width:min(1360px,100%);margin:0 auto;padding:clamp(28px,5vw,72px) clamp(20px,5vw,64px) 64px;flex:1}.chars-toolbar{display:flex;align-items:end;justify-content:space-between;gap:20px;padding-bottom:28px;border-bottom:1px solid var(--char-border);margin-bottom:28px}.chars-toolbar h2{margin:7px 0 0;font-size:clamp(1.25rem,2.2vw,1.7rem);letter-spacing:-.035em;font-weight:520}.chars-btn-primary,.chars-btn-secondary,.chars-btn-danger{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;border-radius:4px;padding:0 14px;font-size:.78rem;font-weight:680;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;white-space:nowrap}.chars-btn-primary{border:1px solid var(--char-gold);background:var(--char-gold);color:#0e0a06}.chars-btn-primary span{font-size:1rem;line-height:1}.chars-btn-secondary{border:1px solid var(--char-border);background:transparent;color:var(--char-text)}.chars-btn-secondary:hover{border-color:#d4a5588c;background:var(--char-raised)}.chars-btn-danger{padding-inline:10px;border:1px solid transparent;background:transparent;color:var(--char-faint)}.chars-btn-danger:hover{border-color:#f05f5a73;color:var(--char-danger);background:#f05f5a14}.chars-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,290px),1fr));gap:18px}.chars-card{position:relative;display:flex;flex-direction:column;min-width:0;border:1px solid var(--char-border);background:var(--char-surface);transition:border-color .2s ease,transform .2s cubic-bezier(.16,1,.3,1),background .2s ease}.chars-card:hover{border-color:#d4a5587a;background:var(--char-raised);transform:translateY(-3px)}.chars-card-avatar{width:100%;aspect-ratio:1.42;overflow:hidden;background:#110d07;display:flex;align-items:center;justify-content:center}.chars-card-avatar img{width:100%;height:100%;object-fit:cover;filter:saturate(.82) contrast(1.04);transition:transform .35s cubic-bezier(.16,1,.3,1),filter .35s ease}.chars-card:hover .chars-card-avatar img{filter:saturate(1) contrast(1.05);transform:scale(1.025)}.chars-card-avatar-placeholder{width:64px;height:64px;display:grid;place-items:center;border:1px solid oklch(75% .11 78 / .55);border-radius:50%;color:var(--char-gold);font-family:Georgia,serif;font-size:2rem;text-transform:uppercase}.chars-card-body{display:flex;flex:1;flex-direction:column;padding:19px 19px 16px}.chars-card-name{margin:0;color:var(--char-text);font-size:1.15rem;font-weight:560;letter-spacing:-.025em}.chars-card-meta{margin:7px 0 0;color:var(--char-faint);font-size:.72rem}.chars-card-backstory{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:3;margin:18px 0 22px;color:var(--char-muted);font-size:.84rem;line-height:1.58}.chars-card-actions{display:flex;align-items:center;gap:7px;margin-top:auto}.chars-card-actions .chars-btn-primary{flex:1}.chars-empty{max-width:480px;margin:clamp(46px,10vw,120px) auto;text-align:center}.chars-empty-mark{width:64px;height:64px;display:inline-grid;place-items:center;margin-bottom:22px;border:1px solid var(--char-gold);border-radius:50%;color:var(--char-gold);font-family:Georgia,serif;font-size:2rem}.chars-empty h2{margin:0;font-size:clamp(1.5rem,3vw,2rem);font-weight:520;letter-spacing:-.045em}.chars-empty p{max-width:36ch;margin:14px auto 24px;color:var(--char-muted);font-size:.9rem;line-height:1.65}.chars-loading{display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--char-muted)}.chars-spinner{width:28px;height:28px;border:2px solid var(--char-border);border-top-color:var(--char-gold);border-radius:50%;animation:charSpin .8s linear infinite}@keyframes charSpin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.chars-page *,.chars-page *:before,.chars-page *:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}@media (max-width: 640px){.chars-header{align-items:flex-start;flex-direction:column;gap:16px}.chars-header-right{width:100%;justify-content:space-between}.chars-user{max-width:70vw}.chars-toolbar{align-items:flex-start;flex-direction:column}.chars-toolbar .chars-btn-primary{width:100%}.chars-card-actions{flex-wrap:wrap}}.studio-page{min-height:100dvh;background:radial-gradient(circle at 82% -10%,oklch(29% .045 78 / .42),transparent 30rem),var(--char-bg, oklch(15% .012 75));color:var(--char-text, oklch(93% .012 78));font-family:var(--font-sans, system-ui, sans-serif);display:flex;flex-direction:column}.studio-page button:focus-visible,.studio-page input:focus-visible,.studio-page textarea:focus-visible,.studio-page select:focus-visible{outline:2px solid var(--char-gold, oklch(75% .11 78));outline-offset:3px}.studio-header{display:flex;align-items:center;gap:18px;padding:20px clamp(20px,5vw,64px);border-bottom:1px solid var(--char-border, oklch(85% .018 75 / .14))}.studio-header h1{margin:0;color:var(--char-text, oklch(93% .012 78));font-size:clamp(1.35rem,2.4vw,1.8rem);font-weight:560;letter-spacing:-.04em}.studio-eyebrow{margin:0 0 6px;color:var(--char-gold, oklch(75% .11 78));font-size:.65rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase}.studio-back{display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:0 10px;border:1px solid var(--char-border, oklch(85% .018 75 / .14));border-radius:4px;background:transparent;color:var(--char-muted, oklch(68% .018 78));font-size:.76rem;font-weight:650;cursor:pointer;transition:border-color .2s ease,color .2s ease,background .2s ease}.studio-back:hover{border-color:#d4a5588c;color:var(--char-gold, oklch(75% .11 78));background:#d4a55812}.studio-main{width:min(820px,100%);margin:0 auto;padding:clamp(30px,5vw,66px) clamp(20px,4vw,32px) 72px}.studio-form{display:flex;flex-direction:column;gap:36px}.studio-section{padding:0 0 34px;border-bottom:1px solid var(--char-border, oklch(85% .018 75 / .14))}.studio-section-heading{display:flex;align-items:baseline;gap:13px;margin-bottom:25px}.studio-section-heading span{color:var(--char-gold, oklch(75% .11 78));font-size:.7rem;font-weight:750;letter-spacing:.08em}.studio-section h2{margin:0;color:var(--char-text, oklch(93% .012 78));font-size:1.15rem;font-weight:560;letter-spacing:-.025em}.studio-section label{display:block;margin:18px 0 8px;color:var(--char-faint, oklch(52% .014 78));font-size:.68rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase}.studio-section input,.studio-section textarea,.studio-section select{width:100%;border:1px solid var(--char-border, oklch(85% .018 75 / .14));border-radius:4px;background:#090704;color:var(--char-text, oklch(93% .012 78));font:inherit;font-size:.92rem;line-height:1.5;transition:border-color .2s ease,background .2s ease}.studio-section input,.studio-section select{height:46px;padding:0 13px}.studio-section textarea{display:block;min-height:128px;padding:12px 13px;resize:vertical}.studio-section input::placeholder,.studio-section textarea::placeholder{color:var(--char-faint, oklch(52% .014 78))}.studio-section input:focus,.studio-section textarea:focus,.studio-section select:focus{border-color:var(--char-gold, oklch(75% .11 78));background:#110c07;outline:0}.studio-hint{max-width:60ch;margin:-2px 0 11px;color:var(--char-muted, oklch(68% .018 78));font-size:.82rem;line-height:1.55}.studio-gen-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;margin-top:10px}.studio-gen-input{min-width:0}.studio-gen-btn{min-height:46px;padding:0 14px;border:1px solid oklch(75% .11 78 / .54);border-radius:4px;background:transparent;color:var(--char-gold, oklch(75% .11 78));font-size:.76rem;font-weight:700;cursor:pointer;transition:background .2s ease,color .2s ease;white-space:nowrap}.studio-gen-btn:hover:not(:disabled){background:var(--char-gold, oklch(75% .11 78));color:#0e0a06}.studio-gen-btn:disabled,.studio-save:disabled{cursor:wait;opacity:.52}.studio-avatar-preview{position:relative;width:150px;margin:0 0 18px}.studio-avatar-preview:after{content:"Portrait study";position:absolute;right:-72px;bottom:8px;color:var(--char-faint, oklch(52% .014 78));font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;transform:rotate(-90deg);transform-origin:left bottom}.studio-avatar-preview img{display:block;width:150px;aspect-ratio:1;object-fit:cover;border:1px solid var(--char-border, oklch(85% .018 75 / .14));filter:saturate(.88)}.studio-actions{display:flex;flex-direction:row-reverse;align-items:center;justify-content:flex-start;gap:10px;padding-top:2px}.studio-save,.studio-cancel{min-height:46px;padding:0 18px;border-radius:4px;font-size:.82rem;font-weight:700;cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease}.studio-save{border:1px solid var(--char-gold, oklch(75% .11 78));background:var(--char-gold, oklch(75% .11 78));color:#0e0a06}.studio-save:hover:not(:disabled){background:var(--char-gold-pale, oklch(87% .06 82));transform:translateY(-1px)}.studio-cancel{border:1px solid var(--char-border, oklch(85% .018 75 / .14));background:transparent;color:var(--char-muted, oklch(68% .018 78))}.studio-cancel:hover{border-color:var(--char-muted, oklch(68% .018 78));color:var(--char-text, oklch(93% .012 78))}.studio-error{padding:12px 14px;border:1px solid oklch(67% .18 25 / .45);background:#f05f5a17;color:#fc7a73;font-size:.84rem}.studio-loading{display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--char-muted, oklch(68% .018 78))}.studio-spinner{width:28px;height:28px;border:2px solid var(--char-border, oklch(85% .018 75 / .14));border-top-color:var(--char-gold, oklch(75% .11 78));border-radius:50%;animation:studioSpin .8s linear infinite}@keyframes studioSpin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.studio-page *,.studio-page *:before,.studio-page *:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}@media (max-width: 640px){.studio-header{padding-block:16px;gap:12px}.studio-back{padding-inline:8px}.studio-gen-row{grid-template-columns:1fr}.studio-gen-btn{width:100%}.studio-actions{align-items:stretch;flex-direction:column}.studio-actions button{width:100%}}.char-chat-page{--chat-bg: oklch(15% .012 75);--chat-surface: oklch(18% .014 75);--chat-raised: oklch(22% .016 75);--chat-border: oklch(85% .018 75 / .14);--chat-text: oklch(93% .012 78);--chat-muted: oklch(68% .018 78);--chat-faint: oklch(52% .014 78);--chat-gold: oklch(75% .11 78);--chat-danger: oklch(68% .18 25);display:flex;flex-direction:column;height:100dvh;overflow:hidden;background:radial-gradient(circle at 90% -20%,oklch(29% .045 78 / .35),transparent 28rem),var(--chat-bg);color:var(--chat-text);font-family:var(--font-sans, system-ui, sans-serif)}.char-chat-page button:focus-visible,.char-chat-page textarea:focus-visible{outline:2px solid var(--chat-gold);outline-offset:3px}.char-chat-loading,.char-chat-error{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;height:100%;padding:24px;color:var(--chat-muted);text-align:center}.char-chat-error{color:var(--chat-danger)}.char-chat-spinner{width:28px;height:28px;border:2px solid var(--chat-border);border-top-color:var(--chat-gold);border-radius:50%;animation:chatSpin .8s linear infinite}@keyframes chatSpin{to{transform:rotate(360deg)}}.char-chat-header{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;padding:10px clamp(12px,3vw,28px);border-bottom:1px solid var(--chat-border);background:#130f09f5;flex-shrink:0;z-index:10}.char-chat-header-left{display:flex;align-items:center;gap:11px;min-width:0}.char-chat-header-info{display:flex;flex-direction:column;gap:3px;min-width:0}.char-chat-header-info h2{margin:0;overflow:hidden;color:var(--chat-text);font-size:.98rem;font-weight:600;letter-spacing:-.02em;text-overflow:ellipsis;white-space:nowrap}.char-chat-header-info span{color:var(--chat-faint);font-size:.62rem;font-weight:700;letter-spacing:.115em;text-transform:uppercase}.char-chat-header-info .online{color:#85bd98}.char-chat-header-info .typing,.char-chat-header-info .generating{color:var(--chat-gold);animation:softPulse 1.4s ease-in-out infinite}@keyframes softPulse{50%{opacity:.5}}.char-chat-avatar-sm{width:38px;height:38px;border:1px solid var(--chat-border);border-radius:50%;object-fit:cover}.char-chat-header-right{display:flex;align-items:center;gap:3px}.char-chat-icon-btn{width:34px;height:34px;display:inline-grid;place-items:center;border:1px solid transparent;border-radius:4px;background:transparent;color:var(--chat-muted);cursor:pointer;transition:border-color .18s ease,color .18s ease,background .18s 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