@import"/assets/css/variables.css";.split-translator{--st-overlay-light: rgba(0, 0, 0, .3);--st-overlay-dark: rgba(0, 0, 0, .5);--st-hover-dark: rgba(255, 255, 255, .1);--st-hover-dark-active: rgba(255, 255, 255, .14);--color-bg: #f8f8f6;--color-text-primary: #131313;--color-text-secondary: #73716c;--color-text-tertiary: #8f8e8a;--transition: .18s ease}[data-theme=dark] .split-translator{--color-bg: #1c1b18;--color-card: #2b2a27;--color-text-primary: #e8e6e1;--color-text-secondary: #a3a19b;--color-text-tertiary: #7a7872}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.08) transparent}*::-webkit-scrollbar{width:4px;height:4px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{background:#00000014;border-radius:4px}*::-webkit-scrollbar-thumb:hover{background:#00000026}html,body{height:100%;overflow:hidden;font-family:var(--font-family);color:var(--color-text-primary);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit;border:none;background:transparent;cursor:pointer;color:inherit;font-size:inherit;line-height:1}button:disabled{cursor:not-allowed}.split-translator{display:flex;flex-direction:column;height:100vh;height:100dvh;background:var(--color-bg);padding:var(--space-4) var(--space-5);gap:var(--space-3)}.st-language-bar{display:flex;flex-direction:row;align-items:center;height:56px;min-height:56px;padding:0 var(--space-5);background:var(--color-card);border:none;border-radius:8px;box-shadow:#00000009 0 4px 20px,#1f1f1e1f 0 0 0 .5px;gap:var(--space-3);position:relative;z-index:20;flex-shrink:0}.st-lang-group{position:relative}.st-lang-selector{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);border:1px solid transparent;font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-primary);transition:background var(--transition),border-color var(--transition);white-space:nowrap}.st-lang-selector:hover{background:#0000000d;border-color:#0000001f}.st-lang-selector.open{background:#0000000f;border-color:#00000026}.st-flag{width:22px;height:22px;border-radius:50%;object-fit:cover;flex-shrink:0;box-shadow:0 1px 3px #0000001a}.st-lang-name{white-space:nowrap}.st-chevron{flex-shrink:0;transition:transform var(--transition)}.st-lang-selector.open .st-chevron{transform:rotate(180deg)}.st-lang-selector:disabled{opacity:.5;pointer-events:none}.st-lang-dropdown{position:absolute;top:calc(100% + var(--space-1));left:0;min-width:200px;max-height:70vh;overflow-y:auto;background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-modal);z-index:100;padding:var(--space-1);display:none;flex-direction:column}.st-lang-dropdown.open{display:flex}.st-lang-search-wrap{padding:var(--space-1) var(--space-2) var(--space-2);border-bottom:1px solid var(--color-border);flex-shrink:0}.st-lang-search{width:100%;padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text-primary);font-family:var(--font-family);font-size:var(--font-size-sm);outline:none;transition:border-color var(--transition)}.st-lang-search::placeholder{color:var(--color-text-secondary)}.st-lang-search:focus{border-color:#0000004d}.st-lang-list{overflow-y:auto;flex:1;min-height:44px}.st-lang-option{display:flex;align-items:center;gap:var(--space-2);width:100%;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-size:var(--font-size-sm);color:var(--color-text-primary);transition:background var(--transition)}.st-lang-option:hover{background:#0000000d}.st-lang-option.selected{background:#0000000f;color:var(--color-text-primary);font-weight:600}.st-lang-custom{border-top:1px solid var(--color-border);margin-top:var(--space-1);padding-top:var(--space-2);color:var(--color-text-primary);font-weight:500}.st-lang-expand-btn{display:flex;align-items:center;justify-content:center;width:100%;padding:4px 0;margin:0;border:none;background:none;color:var(--color-text-secondary, #888);cursor:pointer;transition:color .18s ease,background .18s ease;border-radius:4px}.st-lang-expand-btn:hover{color:var(--color-text-primary);background:#0000000d}.st-lang-expand-icon{transition:transform .18s ease}.st-lang-expand-btn--open .st-lang-expand-icon{transform:rotate(180deg)}.st-lang-extended{display:none;flex-direction:column}.st-lang-extended.st-lang-extended--open,.st-lang-extended.st-lang-extended--search{display:flex}.st-swap-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-full);border:1px solid var(--color-border);color:var(--color-text-secondary);background:var(--color-bg);transition:all var(--transition);flex-shrink:0}.st-swap-btn:hover:not(:disabled){background:#0000000d;color:var(--color-text-primary);border-color:#0003;box-shadow:0 2px 6px #0000001a}.st-swap-btn:disabled{opacity:.4}.st-overflow-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-md);border:1px solid var(--color-border);color:var(--color-text-secondary);background:var(--color-bg);margin-left:auto;transition:all var(--transition)}.st-overflow-btn:hover{background:#0000000d;color:var(--color-text-primary);border-color:#0003}.st-overflow-dropdown{display:none;position:absolute;top:calc(100% - var(--space-1));right:var(--space-4);min-width:180px;background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-modal);z-index:100;padding:var(--space-1)}.st-overflow-dropdown.open{display:block}.st-dropdown-item{display:flex;align-items:center;gap:var(--space-2);width:100%;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-size:var(--font-size-sm);color:var(--color-text-primary);transition:background var(--transition)}.st-dropdown-item:hover{background:var(--color-bg)}.st-panels{flex:1;display:flex;flex-direction:row;overflow:hidden;min-height:0;gap:var(--space-3)}.st-source-panel,.st-target-panel{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden;border-radius:8px;box-shadow:#00000009 0 4px 20px,#1f1f1e1f 0 0 0 .5px;border:none}.st-source-panel{background:var(--color-card)}.st-target-panel{background:var(--color-bg);box-shadow:none;border:.5px solid rgba(0,0,0,.06)}.st-panel-divider{display:none}.st-panel-toolbar{display:flex;align-items:center;height:48px;min-height:48px;padding:var(--space-2) var(--space-4);gap:var(--space-1);border-bottom:.5px solid rgba(0,0,0,.06);background:var(--color-card);border-radius:8px 8px 0 0;box-shadow:0 1px #0000000a}.st-toolbar-btn{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--radius-md);color:var(--color-text-secondary);background:transparent;transition:all var(--transition);flex-shrink:0}.st-toolbar-btn svg{width:18px;height:18px}.st-toolbar-btn:hover:not(:disabled){background:var(--color-card);color:var(--color-text-primary);box-shadow:0 1px 3px #0000000f}.st-toolbar-btn:active:not(:disabled){background:#00000014;color:var(--color-text-primary)}.st-toolbar-btn:disabled{opacity:.35}.st-toolbar-btn.active{background:#00000014;color:var(--color-text-primary)}.st-toolbar-divider{width:.5px;height:24px;background:var(--color-border);margin:0 var(--space-1);flex-shrink:0}.st-edit-toggle{width:auto;gap:var(--space-1);padding:0 var(--space-2);font-size:var(--font-size-xs);font-weight:500}.st-edit-label{white-space:nowrap}@keyframes st-spin{to{transform:rotate(360deg)}}.st-spin{animation:st-spin .8s linear infinite}.st-download-wrap{position:relative;display:flex}.st-download-dropdown{display:none;position:absolute;top:100%;left:50%;transform:translate(-50%);margin-top:4px;min-width:120px;background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-modal);z-index:100;padding:var(--space-1)}.st-download-dropdown.open{display:block}.st-tone-segment{display:flex;align-items:center;background:var(--color-bg);border:none;border-radius:8px;padding:3px;gap:2px;flex-shrink:0;margin-left:auto}.st-tone-segment .st-tone-preset-btn{padding:4px 10px;font-size:12px;font-weight:500;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-secondary);white-space:nowrap;flex-shrink:0;transition:all var(--transition)}.st-tone-segment .st-tone-preset-btn:hover:not(.active){color:var(--color-text-primary);background:var(--color-bg)}.st-tone-segment .st-tone-preset-btn.active{background:var(--color-text-primary);color:#fff;box-shadow:0 2px 6px #00000026}.st-status-icon-btn.st-edit-toggle{width:auto;gap:var(--space-1);padding:0 var(--space-2);font-size:var(--font-size-xs);font-weight:500}.st-status-icon-btn.active,.st-toolbar-btn.active.st-drawer-trigger{background:#00000014;color:var(--color-text-primary)}.st-source-editor,.st-target-output{flex:1;overflow:hidden;display:flex;flex-direction:column}.st-source-editor .ql-container,.st-target-output .ql-container,.st-source-editor.ql-container,.st-target-output.ql-container{flex:1;overflow-y:auto;border:none!important;font-family:var(--font-family)}.st-source-panel .ql-container.ql-snow,.st-target-panel .ql-container.ql-snow{border:none!important}.st-target-output .ql-editor{cursor:default!important;user-select:text}.st-source-panel .ql-toolbar,.st-target-panel .ql-toolbar{display:none!important}.st-source-editor .ql-editor,.st-target-output .ql-editor{padding:var(--space-6);padding-bottom:120px;font-size:16px;line-height:1.8;color:var(--color-text-primary);word-wrap:break-word;overflow-wrap:break-word}.st-source-editor .ql-editor.ql-blank:before,.st-target-output .ql-editor.ql-blank:before{color:var(--color-text-secondary);font-style:italic;left:var(--space-6);right:var(--space-6)}.st-target-output .ql-editor{user-select:text}.st-source-editor .ql-editor *,.st-target-output .ql-editor *{color:var(--color-text-primary)!important;font-family:var(--font-family)!important;font-size:16px!important;line-height:1.8;text-align:left!important}.st-source-editor .ql-editor blockquote,.st-target-output .ql-editor blockquote{border-left:3px solid!important}.st-source-editor .ql-editor *:not(.st-align-active),.st-target-output .ql-editor *:not(.st-align-active){background-color:transparent!important}.st-char-count{font-size:var(--font-size-xs);color:var(--color-text-secondary);font-variant-numeric:tabular-nums;background:var(--color-bg);padding:4px 10px;border-radius:var(--radius-sm);border:.5px solid var(--color-border)}.st-char-warning{color:var(--color-warning);font-weight:500}.st-char-error{color:var(--color-error);font-weight:600}.st-response-nav{display:flex;align-items:center;gap:var(--space-2);font-size:var(--font-size-xs);color:var(--color-text-secondary);font-variant-numeric:tabular-nums}.st-nav-btn{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:var(--radius-sm);font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary);transition:background var(--transition),color var(--transition)}.st-nav-btn:hover:not(:disabled){background:var(--color-bg);color:var(--color-text-primary)}.st-nav-btn:disabled{opacity:.4}.st-drawer-view{display:flex;flex-direction:column;flex:1;min-height:0}.st-history-list{flex:1;overflow-y:auto;padding:var(--space-3);display:flex;flex-direction:column;gap:var(--space-2)}.st-history-card{display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-card);text-align:left;cursor:pointer;width:100%;transition:border-color var(--transition),background var(--transition)}.st-history-card:hover{border-color:#00000026;background:#00000008}.st-history-arrow{font-size:var(--font-size-xs);color:var(--color-text-secondary);line-height:1}.st-history-source,.st-history-target{font-size:var(--font-size-sm);line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.st-history-source{color:var(--color-text-secondary)}.st-history-target{color:var(--color-text-primary);font-weight:500}.st-history-meta{display:flex;align-items:center;gap:var(--space-2);margin-top:var(--space-1);font-size:var(--font-size-xs);color:var(--color-text-secondary)}.st-history-tone{padding:1px 6px;border-radius:var(--radius-full);background:#0000000f;color:var(--color-text-primary);font-size:10px;font-weight:600}.st-history-time{margin-left:auto}.st-history-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-3);color:var(--color-text-secondary);padding:var(--space-6)}.st-history-empty p{font-size:var(--font-size-sm)}.st-history-footer{padding:var(--space-3);border-top:1px solid var(--color-border);text-align:center}.st-history-clear-btn{font-size:var(--font-size-xs);color:var(--color-text-secondary);padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);transition:color var(--transition),background var(--transition)}.st-history-clear-btn:hover{color:var(--color-error);background:#ef444414}[data-theme=dark] .st-history-card,.dark .st-history-card{background:var(--st-hover-dark);border-color:var(--color-border)}.st-toolbar-btn.active.st-stt-active{background:#00000014;color:var(--color-text-primary)}:root{--chat-ai-bg: rgba(0, 0, 0, .03);--chat-ai-text: var(--color-text-primary);--chat-user-bg: var(--color-primary-hover, #5a5de0);--chat-user-text: var(--color-text-inverted);--chat-input-bg: var(--color-card);--chat-input-border: var(--color-border);--chat-mic-active: var(--color-danger)}[data-theme=dark]{--chat-ai-bg: rgba(255, 255, 255, .04);--chat-ai-text: var(--color-text-primary);--chat-user-bg: var(--color-primary);--chat-user-text: var(--color-text-inverted);--chat-input-bg: var(--color-bg);--chat-input-border: rgba(255, 255, 255, .08)}.st-drawer-backdrop{position:fixed;inset:0;background:var(--st-overlay-light);z-index:40;opacity:0;visibility:hidden;transition:opacity var(--transition),visibility var(--transition)}.st-drawer-backdrop.open{opacity:1;visibility:visible}.st-drawer{position:fixed;top:0;right:0;bottom:0;width:360px;background:var(--color-card);border-left:.5px solid var(--color-border);border-radius:0;box-shadow:-4px 0 12px #0000001a;z-index:50;display:flex;flex-direction:column;transform:translate(100%);transition:transform .18s ease;overflow:hidden}.st-drawer.open{transform:translate(0)}.st-drawer-header{display:flex;align-items:center;justify-content:space-between;height:56px;min-height:56px;padding:0 var(--space-5);border-bottom:.5px solid var(--color-border);background:var(--color-card)}.st-drawer-title{font-size:var(--font-size-base);font-weight:700;color:var(--color-text-primary)}.st-drawer-tabs{display:flex;align-items:center;gap:var(--space-1)}.st-drawer-tab{padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary);transition:background var(--transition),color var(--transition)}.st-drawer-tab:hover{background:var(--color-bg);color:var(--color-text-primary)}.st-drawer-tab.active{background:#00000014;color:var(--color-text-primary)}.st-drawer-header-actions{display:flex;align-items:center;gap:2px}.st-chat-new-conversation{display:none;align-items:center;justify-content:center;width:28px;height:28px;border:none;background:transparent;border-radius:6px;cursor:pointer;color:var(--color-text-tertiary);transition:all .18s ease;padding:0}.st-chat-new-conversation svg{padding-left:1px}.st-chat-new-conversation:hover{background:#0000000a;color:var(--color-text-secondary)}.st-drawer-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-md);color:var(--color-text-secondary);transition:background var(--transition),color var(--transition)}.st-drawer-close:hover{background:var(--color-bg);color:var(--color-text-primary)}.st-drawer-content{flex:1;overflow:hidden;display:flex;flex-direction:column;min-height:0}.st-drawer-panel{padding:var(--space-4)}[data-theme=dark]{.st-source-panel{background:var(--color-card);box-shadow:0 1px 3px #00000026}.st-target-panel{background:var(--color-bg);box-shadow:none;border-color:#ffffff14}.st-toolbar-btn:hover:not(:disabled){background:var(--st-hover-dark)}.st-toolbar-btn:active:not(:disabled){background:var(--st-hover-dark-active)}.st-lang-selector:hover,.st-lang-selector.open{background:var(--st-hover-dark)}.st-swap-btn:hover:not(:disabled){background:var(--st-hover-dark)}.st-overflow-btn:hover,.st-tone-segment{background:var(--st-hover-dark)}.st-tone-segment .st-tone-preset-btn.active{background:var(--color-text-primary);color:var(--color-text-inverted);box-shadow:0 2px 6px #00000026}.st-nav-btn:hover:not(:disabled){background:var(--st-hover-dark)}.st-dropdown-item:hover,.st-lang-option:hover,.st-status-icon-btn:hover,.st-drawer-tab:hover,.st-drawer-close:hover{background:var(--st-hover-dark)}.st-drawer-backdrop{background:var(--st-overlay-dark)}}.st-chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:#f8f8f6;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.04) transparent}.st-chat-welcome{display:flex;flex-direction:column;gap:16px;padding:20px;flex:1;justify-content:center;animation:st-fadeInUp .3s ease}.st-welcome-header{text-align:center;padding:12px 0 4px}.st-welcome-title{font-size:15px;font-weight:600;color:var(--color-text-primary);margin:0 0 4px}.st-welcome-desc{font-size:12.5px;color:var(--color-text-tertiary);margin:0;font-weight:400}.st-chat-shortcuts{display:flex;flex-direction:column;gap:6px;width:100%}.st-shortcut-card{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--color-card);border:.5px solid rgba(0,0,0,.06);cursor:pointer;transition:all .18s ease;border-radius:10px;min-width:0;text-align:left}.st-shortcut-card:hover{background:#00000005;border-color:#0000001a}.st-shortcut-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;flex-shrink:0;color:var(--color-text-tertiary)}.st-shortcut-card:hover .st-shortcut-icon svg{color:var(--color-text-secondary)}.st-shortcut-label{flex:1;min-width:0;font-size:13px;font-weight:500;color:var(--color-text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.st-shortcut-send{display:flex;align-items:center;justify-content:center;width:28px;height:28px;flex-shrink:0;color:#00000026;border-radius:6px;transition:all .18s ease}.st-shortcut-card:hover .st-shortcut-send svg{color:var(--color-text-tertiary)}.message-bubble{max-width:88%;min-width:140px;padding:12px 16px;border-radius:16px;font-size:14px;line-height:1.6;animation:st-fadeInUp .25s ease;word-wrap:break-word}.message-bubble.user{align-self:flex-end;background:var(--color-primary, #696cff);color:var(--color-text-inverted);border-bottom-right-radius:4px}.message-bubble.ai{align-self:flex-start;background:var(--color-card);color:var(--color-text-primary);border-bottom-left-radius:4px;border:.5px solid rgba(0,0,0,.06);box-shadow:0 1px 2px #0000000a}.message-bubble.ai p{margin:0}.message-bubble.ai p+p{margin-top:6px}.message-bubble.ai p:empty{display:none}.message-bubble.ai ul{margin:4px 0;padding-left:18px;list-style-type:disc}.message-bubble.ai ol{margin:4px 0;padding-left:18px;list-style-type:decimal}.message-bubble.ai li{margin-bottom:2px}.message-bubble.ai strong{font-weight:600}.message-bubble.ai em{color:var(--color-text-secondary)}@keyframes st-fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-actions{display:flex;align-items:center;gap:2px;margin-top:4px;align-self:flex-start;animation:st-fadeInUp .25s 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