:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#232323;background:#fafafa;font-size:14px;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,select,textarea{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.4}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.topbar{height:76px;background:#fff;border-bottom:1px solid #ececec;display:flex;align-items:center;padding:0 36px;gap:32px}.brand{font-size:18px;font-weight:650;letter-spacing:-.45px}.page-name{font-size:13px;color:#777;border-left:1px solid #e6e6e6;padding-left:32px}.studio{display:grid;grid-template-columns:minmax(0,1fr) 304px;max-width:1060px;margin:36px auto;background:#fff;border:1px solid #e8e8e8;border-radius:18px;overflow:hidden;box-shadow:0 4px 24px #00000003}.editor{padding:36px;min-width:0;display:flex;flex-direction:column;align-items:stretch}.writing{flex:0 0 auto;min-width:0}.speaker{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;background:#fafafa;border:1px solid #ebebeb;border-radius:9px;font-size:12px;color:#555;max-width:100%}.voice-dot{display:inline-block;flex:0 0 19px;width:19px;height:19px;border-radius:50%;background:radial-gradient(circle at 30% 25%,#eee4f6,#c0c9d8 70%,#d8dfe5)}textarea{display:block;box-sizing:border-box;width:100%;height:220px;min-height:150px;margin-top:20px;padding:0;border:0;resize:vertical;color:#292929;font-size:18px;line-height:1.8;background:transparent;outline:0}textarea::placeholder{color:#a4a4a4}textarea:focus-visible{outline:none}.editor-bottom{flex:0 0 auto;padding-top:20px}#status{min-height:18px;font-size:12px;color:#888;margin:0 0 14px;line-height:1.6}#status.error{color:#b33434}.actions{display:flex;align-items:center;justify-content:space-between;gap:18px;border-top:1px solid #f0f0f0;padding-top:20px}#count{font-size:12px;color:#949494;font-variant-numeric:tabular-nums}.generate{display:flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:24px;background:#202020;color:#fff;height:43px;padding:0 22px;font-size:13px;font-weight:550}.generate:hover:enabled{background:#3b3b3b}.generate>span:first-child{font-size:18px}.settings{border-left:1px solid #ededed;padding:28px 24px;background:#fdfdfd}.settings-title{font-size:14px;font-weight:600;margin-bottom:25px}.setting{margin-bottom:22px}.label{display:block;font-size:12px;font-weight:550;color:#666;line-height:1.5;margin-bottom:9px}.accent-tabs,.gender-tabs{display:flex;background:#f0f0f0;border-radius:9px;padding:3px;gap:3px}.accent,.gender{flex:1;border:0;border-radius:7px;background:transparent;color:#898989;font-size:12px;padding:8px 4px;line-height:18px;transition:background .15s,color .15s}.accent.active,.gender.active{color:#252525;background:#fff;box-shadow:0 1px 3px #0000000b}.voice-select{display:flex;align-items:center;gap:10px;border:1px solid #e4e4e4;border-radius:10px;padding:0 12px;height:46px;background:#fff;transition:border-color .15s,box-shadow .15s}.voice-select select{width:100%;height:100%;border:0;outline:none;background-color:transparent;min-width:0;color:#292929;font-size:13px}.control-select{width:100%;height:42px;border:1px solid #e4e4e4;border-radius:10px;background-color:#fff;padding:0 12px;color:#353535;font-size:12px;transition:border-color .15s,box-shadow .15s}.control-select,.voice-select select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#999 50%),linear-gradient(135deg,#999 50%,transparent 50%);background-size:4px 4px,4px 4px;background-repeat:no-repeat;background-position:calc(100% - 16px) 50%,calc(100% - 12px) 50%;padding-right:30px}.voice-select select{background-position:calc(100% - 5px) 50%,calc(100% - 1px) 50%;padding-right:20px}.control-select:hover,.voice-select:hover{border-color:#cfcfcf}.voice-select:focus-within,.control-select:focus-visible{border-color:#aaa;box-shadow:0 0 0 3px #00000005;outline:none}.voice-select select:focus-visible{outline:none}.retry{border:0;background:none;color:#666;padding:12px 0 0;text-decoration:underline;font-size:12px}#v3-controls{border-top:1px solid #ebebeb;padding-top:22px}.tag-buttons{display:flex;gap:7px}.tag-buttons button{flex:1;border:1px solid #e7e7e7;border-radius:8px;padding:8px 4px;background:#fff;color:#777;font-size:12px}.tag-buttons button:hover{background:#f5f5f5;color:#333}.format-setting{margin:0}.format{display:flex;align-items:center;justify-content:space-between;color:#777;font-size:11px}.format span{font-size:10px;color:#aaa}.output{border-top:1px solid #ededed;padding-top:22px;margin-top:28px}.output-heading{display:flex;justify-content:space-between;gap:15px;align-items:center;font-size:12px;color:#666}.download{font-size:12px;border:1px solid #e3e3e3;border-radius:8px;padding:9px 12px;color:#292929}.download:hover{background:#f8f8f8}audio{width:100%;margin-top:16px;height:42px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button:focus-visible,a:focus-visible{outline:2px solid #a3a3a3;outline-offset:3px}@media(max-width:1120px){.studio{margin:28px 24px}}@media(max-width:680px){.topbar{height:auto;min-height:68px;flex-wrap:wrap;padding:18px 22px;gap:10px 18px}.brand{font-size:16px}.page-name{padding-left:18px;font-size:12px}.studio{margin:16px 12px;grid-template-columns:1fr;border-radius:14px}.editor{padding:24px}textarea{height:170px;font-size:17px}.settings{border-left:0;border-top:1px solid #ededed;display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:24px}.settings-title{grid-column:1/-1;margin:0}.setting{margin:0}.settings>.setting:has(#voice),#v3-controls{grid-column:1/-1}#v3-controls{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding-top:20px}.tag-buttons{gap:6px}.format-setting{display:none}.actions{padding-top:18px}}

/* Independent speaker drafts and results. */
.conversation{padding:24px;display:flex;flex-direction:column;gap:18px;min-width:0;background:#fafafa}.role-editor{padding:24px;background:#fff;border:1px solid #e9e9e9;border-radius:12px;transition:border-color .15s}.role-editor.selected{border-color:#bebebe}.role-heading{display:flex;justify-content:space-between;align-items:center;gap:14px}.role-heading-button{border:0;background:transparent;color:#333;font-size:14px;font-weight:600;padding:0;line-height:24px}.role-editor textarea{height:110px;min-height:100px;font-size:17px;margin-top:18px}.role-editor .editor-bottom{padding-top:10px}.role-editor [role=status]{min-height:0;font-size:12px;color:#888;line-height:1.6;margin:0 0 12px}.role-editor [role=status]:empty{display:none}.role-editor [role=status].error{color:#b33434}.role-editor .actions{padding-top:16px}.count{font-size:12px;color:#949494;font-variant-numeric:tabular-nums}.role-tabs{display:flex;padding:3px;gap:3px;border-radius:9px;background:#f0f0f0}.role-tab{flex:1;border:0;border-radius:7px;background:transparent;color:#888;padding:9px 4px;font-size:12px}.role-tab.active{background:#fff;color:#252525;box-shadow:0 1px 3px #0000000b}.role-editor .speaker{padding:5px 9px;font-size:11px}.role-editor .output{margin-top:20px;padding-top:16px}.role-editor .voice-dot{width:15px;height:15px;flex-basis:15px}.settings-title{margin-bottom:18px}@media(max-width:680px){.conversation{padding:14px;gap:14px}.role-editor{padding:20px}.role-heading{align-items:flex-start;gap:10px}.role-editor .speaker{max-width:55%;white-space:nowrap;overflow:hidden}.role-editor .speaker span:last-child{overflow:hidden;text-overflow:ellipsis}.role-editor textarea{height:110px;font-size:16px}.settings>.setting:has(.role-tabs){grid-column:1/-1}.role-editor .output-heading{flex-wrap:wrap}.role-editor .generate{height:40px;font-size:12px;padding:0 16px}}

/* Balanced two-speaker workspace. */
.studio{max-width:1120px;grid-template-columns:minmax(0,1fr) 292px;align-items:stretch;margin-top:28px}.conversation{padding:22px;gap:18px;background:#f8f8f8}.role-editor{padding:24px;border-radius:14px}.role-editor.selected{border-color:#bcbcbc;box-shadow:0 2px 8px #00000003}.role-editor textarea{height:116px;min-height:116px;max-height:300px;line-height:1.7;font-size:16px}.role-heading-button{font-size:15px}.role-editor .speaker{font-size:12px}.settings{padding:26px 22px}.settings-title{font-size:15px}.setting{margin-bottom:20px}.format-setting{margin-bottom:0}.generate{height:40px;padding:0 20px}.role-editor .output{margin-top:16px}.topbar{height:68px}.studio{overflow:clip}@media(max-width:680px){.studio{grid-template-columns:1fr;margin:14px 12px}.conversation{padding:14px}.role-editor{padding:20px}.settings{padding:22px}.setting{margin:0}.role-editor textarea{height:108px;min-height:108px}.topbar{height:auto;min-height:64px}.role-heading-button{font-size:14px}}

.fixed-accent{font-size:13px;color:#555;line-height:24px;padding:7px 0}

.dual-option{display:flex;gap:12px;align-items:flex-start;padding:4px 3px 2px;cursor:pointer}.dual-option input{width:16px;height:16px;margin:3px 0 0;accent-color:#222;flex-shrink:0}.dual-option strong{font-size:13px;font-weight:600;line-height:22px}.dual-option small{display:block;font-size:11px;color:#888;line-height:1.7;margin-top:3px}.result-text{font-size:13px;line-height:1.6;color:#555;margin:12px 0 0;overflow-wrap:anywhere}

.generate-footer{max-width:1120px;margin:0 auto 32px;display:flex;align-items:center;justify-content:flex-end;gap:18px;padding:0 2px}.generation-source{font-size:12px;color:#888}.generate-footer .generate{height:44px;padding:0 24px}.studio{margin-bottom:20px}.role-editor .actions{padding-top:12px}.role-editor .editor-bottom{padding-top:6px}@media(max-width:1120px){.generate-footer{margin-left:24px;margin-right:24px}}@media(max-width:680px){.generate-footer{margin:0 12px 24px;flex-direction:column;align-items:stretch;gap:10px}.generation-source{text-align:center}.generate-footer .generate{width:100%}}

.shared-editor{padding:24px;background:#fff;border:1px solid #e9e9e9;border-radius:14px}.input-title{font-size:15px;font-weight:600}.shared-editor textarea{height:140px;min-height:110px;font-size:16px;margin-top:18px;line-height:1.7}.shared-bottom{border-top:1px solid #f0f0f0;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px}.shared-bottom [role=status]{font-size:12px;color:#b33434;margin:0}.audio-results{display:flex;flex-direction:column;gap:16px}.role-heading h2{font-size:14px;font-weight:600;margin:0}.audio-placeholder{font-size:12px;color:#999;margin:18px 0 0;line-height:1.7}.role-editor [role=status]{margin:12px 0 0}.role-editor [role=status]:empty{display:none}.generate-footer{justify-content:flex-start}.role-editor{padding:20px 24px}.role-editor .speaker:hover{background:#f0f0f0;border-color:#d0d0d0}@media(max-width:680px){.shared-editor{padding:20px}.role-editor{padding:20px}.role-heading h2{font-size:13px}.shared-editor textarea{height:130px}.generate-footer{align-items:flex-start}.generate-footer .generate{width:auto}}