:root{--bg: #faf9f7;--panel: #ffffff;--line: #e7e4df;--ink: #1f1d1a;--muted: #8a857d;--accent: #b5512f;--user: #ece7df;--assistant: #f4f1ea;--error: #fbeae6;--error-ink: #9c3b22;--stage: #f0ede7;--code-bg: rgba(0, 0, 0, .06);--accent-text: var(--accent);--badge-bg: rgba(31, 29, 26, .82);--badge-border: transparent;--scrim: rgba(31, 29, 26, .45);color-scheme:light}:root[data-theme=dark]{--bg: #1a1816;--panel: #242120;--line: #39342f;--ink: #ece7df;--muted: #a39c91;--accent: #b5512f;--user: #322c26;--assistant: #2a2623;--error: #3a2420;--error-ink: #ef9d88;--stage: #121110;--code-bg: rgba(255, 255, 255, .08);--accent-text: #e8926f;--badge-bg: rgba(82, 75, 67, .95);--badge-border: rgba(255, 255, 255, .14);--scrim: rgba(0, 0, 0, .6);color-scheme:dark}[data-theme=dark] .kebab-menu{box-shadow:0 8px 24px #0000008c}[data-theme=dark] .card:hover{box-shadow:0 4px 16px #00000073}[data-theme=dark] .react-pdf__Page{box-shadow:0 2px 12px #00000080}[data-theme=dark] .kebab-item.danger{color:#ef8a78}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Iowan Old Style,Georgia,Times New Roman,serif;color:var(--ink);background:var(--bg)}.app{display:flex;height:100vh}.chat-pane{width:42%;min-width:360px;display:flex;flex-direction:column;border-right:1px solid var(--line);background:var(--panel)}.chat-log{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:12px}.chat-intro h1{font-size:26px;margin:8px 0 6px}.bubble{max-width:88%;padding:11px 14px;border-radius:14px;line-height:1.5;white-space:pre-wrap;word-wrap:break-word}.bubble.user{align-self:flex-end;background:var(--user)}.bubble.assistant{align-self:flex-start;background:var(--assistant)}.bubble.error{align-self:flex-start;background:var(--error);color:var(--error-ink)}.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}.md p{margin:0 0 .5em}.md ul,.md ol{margin:.25em 0 .5em;padding-left:1.2em}.md li{margin:.1em 0}.md 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textarea:focus{border-color:var(--accent)}.composer button{align-self:flex-end;padding:10px 18px;border:none;border-radius:10px;background:var(--accent);color:#fff;font:inherit;font-size:15px;cursor:pointer}.composer button:disabled{opacity:.45;cursor:default}.composer button.stop-btn{background:#b3261e}.score-pane{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}.score-stage{flex:1;position:relative;background:var(--stage);min-height:0}.score-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px}.viewer{display:flex;flex-direction:column;height:100%}.viewer-toolbar{display:flex;align-items:center;gap:6px;padding:6px 10px;border-bottom:1px solid var(--line);background:var(--panel);font-size:13px}.viewer-toolbar button{font:inherit;height:28px;min-width:28px;padding:0;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:7px;cursor:pointer;line-height:1}.viewer-toolbar button.viewer-fit{padding:0 12px}.viewer-toolbar button:hover:not(:disabled){border-color:var(--accent)}.viewer-toolbar button:disabled{opacity:.4;cursor:default}.viewer-zoom{min-width:46px;text-align:center;color:var(--muted)}.viewer-spacer{flex:1}.viewer-pages{color:var(--muted)}.viewer-scroll{position:relative;flex:1;min-height:0;overflow:auto;background:var(--stage);padding:16px;scrollbar-gutter:stable}.react-pdf__Document{display:flex;flex-direction:column;align-items:center;gap:14px}.react-pdf__Page{box-shadow:0 2px 12px #1f1d1a24}.react-pdf__Page canvas{display:block}.viewer-center{height:100%;min-height:200px;display:flex;align-items:center;justify-content:center}.viewer-error{flex-direction:column;gap:4px;text-align:center;color:var(--muted);padding:24px}.viewer-retry{margin-top:8px;font:inherit;font-size:14px;padding:6px 14px;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:8px;cursor:pointer}.viewer-retry:hover{border-color:var(--accent)}.score-badge{position:absolute;bottom:16px;right:16px;background:var(--badge-bg);border:1px solid var(--badge-border);color:#fff;font-size:13px;padding:6px 12px;border-radius:999px}.export-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 14px;border-top:1px solid var(--line);background:var(--panel)}.export-bar .btn-ghost{padding:7px 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button{font:inherit;font-size:14px;padding:7px 16px;border:none;background:transparent;color:var(--ink);cursor:pointer}.mobile-tabs .seg button.active{background:var(--accent);color:#fff}.chat-pane,.score-pane{width:100%;min-width:0;flex:1;min-height:0;border-right:none}.app--chat .score-pane,.app--score .chat-pane,.editor-topbar .logo,.editor-topbar-sep{display:none}}.page{max-width:980px;margin:0 auto;padding:40px 28px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.page-header h1{font-size:30px;margin:0}.page-actions{display:flex;gap:10px;align-items:center}.btn-primary,.btn-ghost,.btn-danger{font:inherit;font-size:15px;padding:9px 16px;border-radius:10px;cursor:pointer;border:1px solid transparent;text-decoration:none;display:inline-block}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}.btn-danger{background:#b5302a;color:#fff;border-color:#b5302a}.empty-state{display:flex;flex-direction:column;align-items:center;gap:16px;padding:80px 0}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;min-height:110px;cursor:pointer;transition:border-color .15s,box-shadow .15s}.card:hover{border-color:var(--accent);box-shadow:0 4px 16px #1f1d1a0f}.card-title{font-size:18px;margin-bottom:6px}.card-meta{font-size:13px}.card .card-title{padding-right:26px}.kebab{position:absolute;top:8px;right:8px}.kebab-btn{display:grid;place-items:center;width:30px;height:30px;padding:0;border:none;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;transition:background .15s,color .15s}.kebab-btn:hover,.kebab-btn[aria-expanded=true]{background:var(--bg);color:var(--ink)}.kebab-menu{position:absolute;top:36px;right:0;min-width:168px;padding:6px;background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px #1f1d1a24;display:flex;flex-direction:column;z-index:30}.kebab-item{font:inherit;font-size:14px;text-align:left;padding:8px 10px;border:none;border-radius:7px;background:transparent;color:var(--ink);cursor:pointer}.kebab-item:hover{background:var(--bg)}.kebab-item.danger{color:#b5302a}.kebab-item.danger:hover{background:var(--error)}.card:has(.kebab-menu){z-index:5}.trash-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.trash-row{display:flex;align-items:center;justify-content:space-between;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 18px}.trash-actions{display:flex;gap:8px}.editor-topbar{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--line)}.back-link{color:var(--accent-text);text-decoration:none;font-size:14px}.editor-title{font-size:15px;color:var(--muted)}.title-edit{font:inherit;font-size:13px;color:var(--accent-text);background:transparent;border:none;cursor:pointer;padding:2px 4px}.title-input{font:inherit;font-size:15px;padding:4px 8px;border:1px solid var(--accent);border-radius:8px;outline:none;min-width:180px}.name-input{width:100%;font:inherit;font-size:16px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;outline:none;margin-bottom:22px}.name-input:focus{border-color:var(--accent)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--scrim);display:flex;align-items:center;justify-content:center;z-index:10}.modal{background:var(--panel);border-radius:16px;padding:26px;max-width:420px;width:calc(100% - 48px);box-shadow:0 12px 40px #0003}.modal h2{margin:0 0 10px;font-size:21px}.modal p{margin:0 0 22px;line-height:1.5;color:var(--ink)}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.auth-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;padding:28px}.auth-topbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:20px 28px}.auth-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:32px 28px;box-shadow:0 12px 40px #00000014;display:flex;flex-direction:column;gap:18px}.auth-title{margin:0 0 4px;font-size:24px}.auth-field{display:flex;flex-direction:column;gap:7px}.auth-field>span{font-size:14px;color:var(--muted)}.auth-field .name-input{margin-bottom:0}.auth-hint{margin:-10px 0 0;font-size:13px;color:var(--muted)}.form-error{margin:0;padding:10px 12px;border-radius:10px;background:var(--error);color:var(--error-ink);font-size:14px}.auth-submit{width:100%;margin-top:2px}.auth-alt{margin:4px 0 0;text-align:center;font-size:14px;color:var(--muted)}.auth-alt a{color:var(--accent-text)}.user-menu{display:flex;align-items:center;gap:4px}.user-email{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.auth-note{margin:0;line-height:1.5;color:var(--ink)}.form-ok{margin:0;padding:10px 12px;border-radius:10px;background:var(--assistant);color:var(--ink);font-size:14px}.btn-link{background:none;border:none;padding:0;font:inherit;font-size:inherit;color:var(--accent-text);cursor:pointer;text-decoration:underline}.verify-banner{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px;padding:12px 16px;border:1px solid var(--line);border-radius:12px;background:var(--assistant);font-size:14px}.verify-banner-actions{display:flex;gap:14px;flex-shrink:0}.account-card{display:flex;flex-direction:column;gap:14px;max-width:460px;margin-bottom:18px;padding:22px 24px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.account-title{margin:0;font-size:17px}.account-row{display:flex;justify-content:space-between;gap:14px;font-size:15px}.account-danger{border-color:color-mix(in srgb,#b5302a 40%,var(--line))}.beta-banner{width:100%;max-width:420px;box-sizing:border-box;padding:10px 14px;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--accent) 10%,var(--panel));color:var(--ink);font-size:13px;line-height:1.5;text-align:center}.beta-banner strong{color:var(--accent-text);letter-spacing:.04em}.auth-consent{display:flex;align-items:flex-start;gap:9px;font-size:13px;line-height:1.45;color:var(--ink)}.auth-consent input[type=checkbox]{margin-top:2px;width:16px;height:16px;flex-shrink:0;cursor:pointer}.auth-consent a{color:var(--accent-text)}.site-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;padding:24px 16px;font-size:13px;color:var(--muted)}.site-footer a{color:var(--muted);text-decoration:none}.site-footer a:hover{color:var(--accent-text);text-decoration:underline}.chat-disclosure{padding:8px 16px;border-bottom:1px solid var(--line);background:var(--assistant);color:var(--muted);font-size:12.5px;line-height:1.4;text-align:center}.legal{max-width:760px}.legal hr{margin:40px 0;border:none;border-top:1px solid var(--line)}.legal-back{max-width:760px;margin:8px auto 0;padding:0 28px;font-size:14px}.legal-back a{color:var(--accent-text);text-decoration:none}