:root{--bg: #0f0f13;--surface: #161620;--surface2: #1e1e2a;--surface3: #232332;--border: #2a2a3a;--accent: #7c6af7;--accent-hover: #9585ff;--accent-dim: #3d3580;--accent-glow: rgba(124,106,247,.22);--text: #e8e8f0;--text-muted: #7a7a9a;--text-dim: #52527a;--success: #4caf7d;--warning: #f0a840;--error: #e05555;--radius: 8px;--radius-sm: 6px;--radius-lg: 14px;--sidebar-w: 204px;--settings-w: 300px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.5;min-height:100vh}.screen{display:none}.screen.active{display:flex;min-height:100vh}#screen-main.active{min-height:0;height:100vh;overflow:hidden}#screen-login{align-items:center;justify-content:center;padding:24px;background:radial-gradient(ellipse at 50% 25%,#1e1b40 0%,var(--bg) 68%)}.login-box{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px}.login-logo{text-align:center;margin-bottom:28px}.login-icon{font-size:52px;display:block;margin-bottom:10px}.login-logo h1{font-size:20px;font-weight:700;letter-spacing:.4px}.login-logo p{color:var(--text-muted);font-size:13px;margin-top:4px}.public-tts-cta{margin-bottom:18px}.public-tts-btn{border:1px solid #3d3580!important;background:#1a1830!important;color:#a090ff!important;font-weight:600}.public-tts-btn:hover{background:#26244a!important;border-color:var(--accent)!important}.login-divider{display:flex;align-items:center;gap:10px;color:var(--text-dim);font-size:11px;margin:14px 0}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--border)}.remember-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.auth-tabs{display:flex;gap:0;margin:16px 0 18px;border-bottom:1px solid var(--border)}.auth-tab{flex:1;padding:8px 12px;font-size:13px;font-weight:600;background:transparent;border:none;border-bottom:2px solid transparent;color:var(--text-muted);cursor:pointer;transition:color .15s,border-color .15s;margin-bottom:-1px}.auth-tab:hover{color:var(--text)}.auth-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.auth-panel{animation:fadeIn .18s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer;color:var(--text)}.checkbox-label input[type=checkbox]{width:15px;height:15px;accent-color:var(--accent);cursor:pointer}.remember-hint{font-size:11px;color:var(--text-dim)}.form-hint{font-size:11px;color:var(--text-dim);margin-top:4px}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:11px;font-weight:600;color:var(--text-muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.5px}input[type=text],input[type=email],input[type=password],input[type=url],select{width:100%;padding:9px 12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;font-family:inherit;outline:none;transition:border-color .18s}input:focus,select:focus{border-color:var(--accent)}select{cursor:pointer}select option{background:var(--surface2);color:var(--text)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:none;border-radius:var(--radius);font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;transition:all .15s;text-decoration:none;white-space:nowrap;line-height:1}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover);box-shadow:0 0 18px var(--accent-glow)}.btn-primary:disabled{opacity:.48;cursor:not-allowed}.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){border-color:var(--accent);background:#252538}.btn-secondary:disabled{opacity:.48;cursor:not-allowed}.btn-full{width:100%}.btn-sm{padding:6px 12px;font-size:12px}.btn-start{width:100%;height:46px;font-size:14px;letter-spacing:.3px;background:linear-gradient(135deg,var(--accent) 0%,#5b8af7 100%)}.btn-start:hover:not(:disabled){background:linear-gradient(135deg,var(--accent-hover) 0%,#6e9aff 100%);box-shadow:0 4px 22px #7c6af76b}.btn-start:disabled{opacity:.48;cursor:not-allowed}.error-msg{color:var(--error);font-size:13px;margin-top:10px;min-height:18px}#screen-main{flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 20px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;position:relative;z-index:10}.topbar-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px}.topbar-icon{font-size:22px}.topbar-user{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.badge-plan{padding:3px 10px;border-radius:20px;font-size:10px;font-weight:700;letter-spacing:.6px;background:var(--accent-dim);color:var(--accent-hover);text-transform:uppercase}.topbar-meta{color:var(--text-muted);font-size:12px}.app-layout{flex:1;display:flex;overflow:hidden;min-height:0}.sidebar{width:var(--sidebar-w);flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column;padding:12px 0 20px}.sidebar-section-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.1px;color:var(--text-dim);padding:8px 16px 4px;-webkit-user-select:none;user-select:none}.sidebar-nav{display:flex;flex-direction:column}.snav-item{display:flex;align-items:center;gap:10px;padding:10px 16px;width:100%;background:none;border:none;border-left:3px solid transparent;color:var(--text-muted);font-size:13px;font-family:inherit;cursor:pointer;text-align:left;transition:color .15s,background .15s,border-color .15s}.snav-item:hover{color:var(--text);background:#7c6af712}.snav-active{color:var(--text)!important;border-left-color:var(--accent)!important;background:#7c6af71c!important}.snav-icon{font-size:16px;flex-shrink:0;width:20px;text-align:center;line-height:1}.snav-label{flex:1}.sidebar-divider{height:1px;background:var(--border);margin:8px 16px 4px}.center-panel{flex:1;overflow-y:auto;padding:28px 30px;background:var(--bg);min-width:0}.app-panel{display:none}.app-panel.active{display:block;animation:panelIn .18s ease}@keyframes panelIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@keyframes flashGlow{0%{box-shadow:0 0 0 0 var(--accent-glow);border-color:var(--border)}40%{box-shadow:0 0 0 6px var(--accent-glow);border-color:var(--accent)}to{box-shadow:none;border-color:var(--border)}}.panel-flash{animation:flashGlow .6s ease!important}.panel-header{margin-bottom:22px}.panel-title{font-size:22px;font-weight:700;margin-bottom:4px}.panel-sub{color:var(--text-muted);font-size:13px}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:58px 32px;text-align:center;cursor:pointer;transition:border-color .22s,background .22s,box-shadow .22s;background:var(--surface);position:relative;overflow:hidden}.drop-zone:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 50% 0%,rgba(124,106,247,.07) 0%,transparent 65%);pointer-events:none}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--accent);background:#16162a;box-shadow:0 0 0 4px var(--accent-glow),inset 0 0 40px #7c6af70a}.drop-zone .dz-icon{font-size:54px;margin-bottom:14px;display:block;transition:transform .2s}.drop-zone:hover .dz-icon{transform:scale(1.1) translateY(-2px)}.drop-zone .dz-label{font-size:17px;font-weight:600;margin-bottom:6px}.drop-zone .dz-sub{color:var(--text-muted);font-size:12px;margin-bottom:6px}.drop-zone .dz-cloud{color:var(--success);font-size:11px;margin-bottom:18px;opacity:.85}.drop-zone .dz-browse-btn{display:inline-block;background:var(--accent-dim);color:var(--accent-hover);border-radius:20px;padding:7px 20px;font-size:12px;font-weight:600;letter-spacing:.2px;transition:background .15s,color .15s}.drop-zone:hover .dz-browse-btn{background:var(--accent);color:#fff}.file-selected{display:flex;align-items:center;gap:10px;padding:12px 16px;margin-top:14px;background:var(--surface);border:1px solid var(--accent);border-radius:var(--radius)}.large-file-warn{margin-top:8px;padding:9px 14px;background:#f0a8401f;border:1px solid rgba(240,168,64,.4);border-radius:var(--radius-sm);color:var(--warning);font-size:12px;line-height:1.5}.voice-picker-row{display:flex;gap:6px;align-items:center}.voice-picker-row select{flex:1;min-width:0}.preview-status{min-height:14px;margin-top:4px;font-size:11px;color:var(--text-muted)}.preview-status.loading{color:var(--accent)}.preview-status.err{color:var(--error)}.custom-voice-notice{font-size:11px;color:#e8a020;background:#e8a02014;border:1px solid rgba(232,160,32,.25);border-radius:var(--radius-sm);padding:8px 10px;margin-bottom:10px;line-height:1.5}.voice-sample-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}.tts-textarea{width:100%;min-height:200px;resize:vertical;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:inherit;font-size:14px;line-height:1.6;padding:10px 12px;transition:border-color .15s}.tts-textarea:focus{border-color:var(--accent);outline:none}.tts-char-count{margin-top:6px;font-size:11px;color:var(--text-muted)}.file-selected .file-name{flex:1;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-clear{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:18px;line-height:1;padding:2px}.btn-clear:hover{color:var(--error)}.url-batch-intro{text-align:center;padding:28px 32px;border:2px dashed var(--border);border-radius:var(--radius-lg);background:var(--surface);margin-bottom:18px}.ubi-icon{font-size:40px;margin-bottom:10px}.ubi-label{font-size:15px;font-weight:600;margin-bottom:5px}.ubi-sub{color:var(--text-muted);font-size:12px}.url-hint-text{color:var(--text-muted);font-size:11px;margin-top:8px}.url-divider{border:none;border-top:1px solid var(--border);margin:20px 0 14px}.url-section-header{font-size:11px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.8px;text-align:center;margin-bottom:12px}.url-item{display:flex;align-items:center;gap:6px;margin-bottom:6px}.url-item .url-input{flex:1}.url-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:16px;line-height:1;padding:4px;flex-shrink:0}.url-remove:hover{color:var(--error)}.settings-panel{width:var(--settings-w);flex-shrink:0;background:var(--surface);border-left:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}.settings-scroll{display:flex;flex-direction:column;flex:1;padding-bottom:8px}.settings-section{padding:16px 20px;border-bottom:1px solid var(--border)}.settings-section:last-of-type{border-bottom:none}.settings-section-title{display:block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);margin-bottom:13px}.settings-panel .form-group{margin-bottom:11px}.settings-panel .form-group:last-child{margin-bottom:0}.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--border)}.toggle-row:last-of-type{border-bottom:none}.toggle-label{font-size:13px;font-weight:500}.toggle-sub{color:var(--text-muted);font-size:11px;margin-top:1px}.toggle{position:relative;width:38px;height:20px;cursor:pointer;flex-shrink:0}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--border);border-radius:20px;transition:background .2s}.toggle-slider:before{content:"";position:absolute;width:14px;height:14px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .2s}.toggle input:checked+.toggle-slider{background:var(--accent)}.toggle input:checked+.toggle-slider:before{transform:translate(18px)}.key-row{display:flex;gap:8px}.key-row input{flex:1;font-family:Consolas,Courier New,monospace;font-size:13px}.key-status{font-size:11px;margin-top:6px;color:var(--text-muted)}.key-status.ok{color:var(--success)}.key-status.err{color:var(--error)}.key-status.warn{color:#e8a020}.settings-actions{padding:16px 20px;display:flex;flex-direction:column;gap:10px;margin-top:auto;border-top:1px solid var(--border)}.speed-slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;border-radius:3px;background:var(--border);outline:none;cursor:pointer;margin-top:8px}.speed-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent);cursor:pointer;transition:background .15s}.speed-slider::-webkit-slider-thumb:hover{background:var(--accent-hover)}.speed-slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;border:none;background:var(--accent);cursor:pointer}#lang-selector-wrap{display:flex;align-items:center;gap:5px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:4px 10px}#lang-selector-label{font-size:11px;color:var(--text-muted);white-space:nowrap}#lang-select{width:auto!important;padding:2px 6px!important;font-size:12px!important;border:none!important;background:var(--surface2)!important;color:var(--text)!important;cursor:pointer}.login-lang-wrap{position:absolute;top:14px;right:18px;display:flex;align-items:center;gap:6px}@media (max-width: 600px){#lang-selector-label{display:none}}#screen-progress{align-items:center;justify-content:center;padding:24px;background:radial-gradient(ellipse at 50% 20%,#1e1b40 0%,var(--bg) 68%)}.progress-box{width:100%;max-width:520px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px}.progress-box h2{font-size:18px;margin-bottom:6px}.progress-box .sub{color:var(--text-muted);font-size:13px;margin-bottom:28px}.progress-pct{font-size:26px;font-weight:700;color:var(--accent);margin-bottom:6px}.progress-bar-wrap{background:var(--bg);border-radius:8px;height:8px;overflow:hidden;margin-bottom:10px}.progress-bar{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-hover));border-radius:8px;transition:width .4s ease}.progress-stage{color:var(--text-muted);font-size:13px;min-height:18px}.progress-msg{color:var(--text-muted);font-size:12px;margin-top:6px;min-height:16px;word-break:break-word}.stage-list{margin-top:24px}.stage-item{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid var(--border);font-size:13px}.stage-item:last-child{border-bottom:none}.stage-dot{width:9px;height:9px;border-radius:50%;background:var(--border);flex-shrink:0}.stage-dot.done{background:var(--success)}.stage-dot.active{background:var(--accent);animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.progress-cancel{margin-top:24px;text-align:center}.progress-long-warn{margin:16px 0 0;padding:10px 14px;border-radius:var(--radius-sm);background:#e8a0201a;border:1px solid rgba(232,160,32,.3);color:#e8a020;font-size:12px;text-align:center;line-height:1.5}#screen-results{align-items:center;justify-content:center;padding:24px;background:radial-gradient(ellipse at 50% 20%,#1b2e1e 0%,var(--bg) 68%)}.results-box{width:100%;max-width:520px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px}.results-box .icon-big{font-size:56px;text-align:center;margin-bottom:16px;display:block}.results-box h2{font-size:20px;font-weight:700;margin-bottom:6px}.results-box .sub{color:var(--text-muted);font-size:13px;margin-bottom:28px}.result-actions{display:flex;flex-direction:column;gap:10px}.result-actions .btn{justify-content:flex-start}.result-info{margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}.result-info-row{display:flex;justify-content:space-between;font-size:12px;padding:4px 0}.result-info-row .label{color:var(--text-muted)}.batch-result-item{padding:10px 0;border-bottom:1px solid var(--border)}.batch-result-item:last-child{border-bottom:none}.batch-result-name{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:6px}.batch-result-btns{display:flex;gap:8px}#screen-error{align-items:center;justify-content:center;padding:24px;background:radial-gradient(ellipse at 50% 20%,#2e1b1b 0%,var(--bg) 68%)}.error-box{width:100%;max-width:480px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;text-align:center}.error-box .icon-big{font-size:48px;margin-bottom:16px;display:block}.error-box h2{font-size:18px;margin-bottom:10px}.error-box .msg{color:var(--text-muted);font-size:13px;word-break:break-word;margin-bottom:12px}.error-hint{font-size:12px;color:#e8a020;margin-bottom:20px}.upload-progress-wrap{background:var(--bg);border-radius:8px;height:6px;overflow:hidden;margin-top:8px}.upload-progress-bar{height:100%;background:var(--accent);border-radius:8px;transition:width .2s}@media (max-width: 1100px){:root{--settings-w: 270px;--sidebar-w: 180px}}@media (max-width: 860px){:root{--sidebar-w: 46px;--settings-w: 250px}.snav-label,.sidebar-section-label,.sidebar-divider{display:none}.snav-item{justify-content:center;padding:12px 0}.snav-icon{width:auto;font-size:20px}}@media (max-width: 640px){.sidebar{display:none}}@media (max-width: 600px){#screen-main.active{height:auto;overflow:visible}.app-layout{flex-direction:column;overflow-y:auto}.center-panel{padding:16px}.settings-panel{width:100%!important;border-left:none;border-top:1px solid var(--border)}.topbar{padding-right:16px}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent-dim)}.mt-8{margin-top:8px}.mt-12{margin-top:12px}hr.divider{border:none;border-top:1px solid var(--border);margin:14px 0}