@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.collapse{visibility:collapse}.invisible{visibility:hidden}.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.isolate{isolation:isolate}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.grid{display:grid}.hidden{display:none}.table{display:table}.shrink{flex-shrink:1}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.lowercase{text-transform:lowercase}.uppercase{text-transform:uppercase}.underline{text-decoration-line:underline}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.invert{--tw-invert:invert(100%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--bg:#fcfcfc;--sidebar:#fcfcfc;--surface:#fff;--surface-soft:#f4f4f4;--surface-hover:#f1f1f1;--text:#0d0d0d;--muted:#6b6b6b;--faint:#8f8f8f;--border:#e5e5e5;--success:#3f7c46;--danger:#c14949;--accent:#0d0d0d;--accent-contrast:#fff;--assistant-bg:#0d0d0d;--assistant-text:#fff;--focus:#6a9bcc;--scrollbar:#c6c6c6;--composer-shadow:0 0 0 1px #00000014, 0 2px 8px #00000014;--composer-focus-shadow:0 0 0 1px #00000021, 0 4px 14px #00000014}:root[data-theme=deepseek]{--bg:#fff;--sidebar:#f8f9fb;--surface:#fff;--surface-soft:#f0f4ff;--surface-hover:#e8efff;--text:#0f1115;--muted:#626a7a;--faint:#9299a8;--border:#e5e7eb;--success:#2f7d55;--danger:#c74444;--accent:#4d6bfe;--accent-contrast:#fff;--assistant-bg:#4d6bfe;--assistant-text:#fff;--focus:#4d6bfe;--scrollbar:#b9c4d4;--composer-shadow:0 4px 10px #00000005, 0 2px 4px #0000000a, 0 0 0 1px #0000001a;--composer-focus-shadow:0 4px 10px #00000005, 0 2px 4px #0000000a, 0 0 0 1px #4d6bfe4d}:root[data-theme=vscode-dark-pro]{--bg:#1e1e1e;--sidebar:#181818;--surface:#252526;--surface-soft:#2a2d2e;--surface-hover:#2a2d2e;--text:#d4d4d4;--muted:#a0a0a0;--faint:#858585;--border:#3c3c3c;--success:#6a9955;--danger:#f48771;--accent:#007acc;--accent-contrast:#fff;--assistant-bg:#007acc;--assistant-text:#fff;--focus:#007fd4;--scrollbar:#555;--composer-shadow:0 0 0 1px #3c3c3c;--composer-focus-shadow:0 0 0 1px #007acc, 0 4px 16px #00000047}:root[data-theme=vscode-light]{--bg:#fff;--sidebar:#f3f3f3;--surface:#fff;--surface-soft:#f3f3f3;--surface-hover:#e8e8e8;--text:#1f1f1f;--muted:#616161;--faint:#767676;--border:#d4d4d4;--success:#388a34;--danger:#a1260d;--accent:#0078d4;--accent-contrast:#fff;--assistant-bg:#0078d4;--assistant-text:#fff;--focus:#0078d4;--scrollbar:#bfbfbf;--composer-shadow:0 0 0 1px #d4d4d4, 0 2px 8px #00000012;--composer-focus-shadow:0 0 0 1px #0078d4, 0 4px 14px #00000014}:root[data-theme=solarized-light]{--bg:#fdf6e3;--sidebar:#eee8d5;--surface:#fffaf0;--surface-soft:#eee8d5;--surface-hover:#e5ddc7;--text:#586e75;--muted:#657b83;--faint:#839496;--border:#d9d2bd;--success:#859900;--danger:#dc322f;--accent:#268bd2;--accent-contrast:#fdf6e3;--assistant-bg:#268bd2;--assistant-text:#fdf6e3;--focus:#268bd2;--scrollbar:#b9b19d;--composer-shadow:0 0 0 1px #d9d2bd, 0 3px 12px #586e751a;--composer-focus-shadow:0 0 0 1px #268bd2, 0 5px 18px #586e7524}*{box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden}body{background:var(--bg);color:var(--text);margin:0;font-family:-apple-system-body,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji,sans-serif;font-size:16px;line-height:24px}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:0}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--focus);outline-offset:2px}button:disabled{cursor:default;opacity:.42}.app-shell{background:var(--bg);grid-template-columns:260px minmax(0,1fr);width:100vw;height:100dvh;display:grid;position:relative}.app-shell.sidebar-collapsed{grid-template-columns:0 minmax(0,1fr)}.session-progress{z-index:70;pointer-events:none;background:var(--accent);height:2px;position:absolute;inset:auto 0 0;overflow:hidden}@supports (color:color-mix(in lab, red, red)){.session-progress{background:color-mix(in srgb, var(--accent) 16%, transparent)}}.session-progress span{background:var(--accent);width:0;height:100%;box-shadow:0 0 8px var(--accent);display:block}@supports (color:color-mix(in lab, red, red)){.session-progress span{box-shadow:0 0 8px color-mix(in srgb, var(--accent) 42%, transparent)}}.session-progress span{transition:width .32s cubic-bezier(.22,1,.36,1)}.sidebar{background:var(--sidebar);z-index:30;flex-direction:column;width:260px;min-width:0;height:100dvh;transition:transform .18s,width .18s;display:flex;overflow:hidden}.sidebar-collapsed .sidebar{width:0;transform:translate(-100%)}.sidebar-top{flex:0 0 54px;justify-content:space-between;align-items:center;height:54px;padding:0 12px 0 14px;display:flex}.brand{letter-spacing:-.02em;align-items:center;gap:8px;min-width:0;padding:7px 0;font-size:18px;font-weight:650;display:flex}.brand-mark{display:none}.sidebar-top-actions{gap:3px;display:flex}.sidebar-top-actions button,.chat-header button,.modal header button{border-radius:8px;justify-content:center;align-items:center;min-width:34px;height:34px;display:inline-flex}.sidebar-top-actions button:hover,.chat-header button:hover,.modal header button:hover{background:var(--surface-hover)}.primary-nav{gap:2px;padding:5px 8px 10px;display:grid}.primary-nav button{text-align:left;border-radius:8px;align-items:center;gap:11px;height:40px;padding:0 10px;font-size:14px;display:flex}.primary-nav button:hover{background:var(--surface-hover)}.sidebar-scroll{scrollbar-width:thin;scrollbar-color:transparent transparent;flex:1;min-height:0;padding:8px;overflow-y:auto}.sidebar-scroll:hover{scrollbar-color:var(--scrollbar) transparent}.sidebar-label{height:32px;color:var(--text);padding:6px 10px;font-size:12px;font-weight:600}.chats-label{margin-top:12px}.book-nav-item{text-align:left;border-radius:8px;align-items:center;gap:10px;width:100%;min-height:52px;padding:7px 8px;display:flex;position:relative}.book-nav-item:hover,.book-nav-item.active,.history-item:hover,.history-item.active{background:var(--surface-hover)}.book-dot{border-left:4px solid #0000003d;border-radius:3px 5px 5px 3px;flex:0 0 22px;width:22px;height:30px;box-shadow:inset 0 -4px #ffffff47}.book-dot.sage,.library-icon.sage{background:#799174}.book-dot.slate,.library-icon.slate{background:#788698}.book-dot.sand,.library-icon.sand{background:#a38d72}.book-dot.custom,.library-icon.custom{background:#8c7c9c}.book-nav-copy{flex:1;min-width:0;line-height:19px;display:grid}.book-nav-copy>span{text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.book-nav-copy small{color:var(--muted);font-size:11px}.book-nav-item>svg{color:var(--muted)}.history-row{width:100%;height:36px;position:relative}.history-item{text-align:left;text-overflow:ellipsis;white-space:nowrap;border-radius:8px;width:100%;height:36px;padding:0 34px 0 10px;font-size:14px;display:block;overflow:hidden}.rename-chat-button{width:28px;height:28px;color:var(--muted);opacity:0;border-radius:7px;place-items:center;display:grid;position:absolute;top:4px;right:4px}.history-row:hover .rename-chat-button,.rename-chat-button:focus-visible{opacity:1}.rename-chat-button:hover{color:var(--text);background:var(--surface)}.history-rename-form{grid-template-columns:minmax(0,1fr) 30px;align-items:center;gap:2px;height:36px;display:grid}.history-rename-form input{border:1px solid var(--focus);background:var(--surface);border-radius:7px;outline:none;width:100%;height:30px;padding:0 8px;font-size:13px}.history-rename-form button{width:28px;height:28px;color:var(--accent-contrast);background:var(--accent);border-radius:7px;place-items:center;display:grid}.profile-button{text-align:left;border-radius:8px;align-items:center;gap:9px;min-height:58px;margin:0 8px 8px;padding:8px;display:flex}.profile-button:hover{background:var(--surface-hover)}.profile-avatar{color:#fff;background:#b43b32;border-radius:50%;flex:0 0 32px;place-items:center;width:32px;height:32px;font-size:11px;font-weight:700;display:grid}.profile-button>span:nth-child(2){flex:1;line-height:17px;display:grid}.profile-button strong{font-size:13px;font-weight:500}.profile-button small{color:var(--muted);font-size:11px}.chat-main{background:var(--bg);grid-template-rows:52px minmax(0,1fr) auto;min-width:0;height:100dvh;display:grid;position:relative}.chat-header{z-index:10;justify-content:space-between;align-items:center;height:52px;padding:0 13px 0 14px;display:flex}.header-left,.header-actions{align-items:center;gap:5px;display:flex}.header-actions button{gap:7px;padding:0 9px;font-size:14px}.model-button{font-weight:600;gap:5px!important;padding:0 9px!important}.model-copy{align-items:center;display:flex}.model-copy small,.model-book-name{display:none}.mobile-menu{display:none!important}.desktop-open-sidebar{margin-right:3px}.conversation{scrollbar-width:thin;scrollbar-color:var(--scrollbar) transparent;min-height:0;overflow-y:auto}.conversation-column{width:min(640px,100% - 40px);min-height:100%;margin:0 auto;padding:34px 0 0}.assistant-row{margin:0 0 28px;display:block}.assistant-mark{display:none}.assistant-copy{min-width:0;font-size:16px;line-height:26px}.assistant-copy p{margin:0 0 14px}.assistant-copy p:last-child{margin-bottom:0}.intro-message{padding-top:6px}.clue-lead{margin-bottom:10px!important}.clue-list{margin:0 0 16px;padding-left:22px}.clue-list li{margin:4px 0;padding-left:2px}.clue-list strong{font-weight:600}.assistant-copy blockquote{border-left:3px solid var(--border);font:inherit;margin:14px 0 16px;padding:1px 0 1px 18px;line-height:26px}.clue-tools{flex-wrap:wrap;align-items:center;gap:6px;min-height:36px;margin-bottom:5px;display:flex}.clue-tools .response-actions{margin:0}.pronunciation-action{min-height:32px;color:var(--muted);border-radius:8px;align-items:center;gap:6px;padding:0 8px;font-size:13px;display:inline-flex}.pronunciation-action:hover{color:var(--text);background:var(--surface-hover)}.pronunciation-action span{font-family:Georgia,Times New Roman,serif;font-size:14px}.hint-chip{background:var(--surface-soft);color:var(--muted);border-radius:7px;padding:3px 8px;font-size:12px}.user-row{justify-content:flex-end;margin:4px 0 28px;display:flex}.user-bubble{background:var(--surface-soft);border-radius:18px;max-width:70%;padding:9px 17px;line-height:24px}.result-row{margin-bottom:30px}.success-icon{color:#fff;background:var(--success);vertical-align:-3px;border-radius:50%;place-items:center;width:20px;height:20px;margin-right:8px;display:inline-grid}.response-actions{align-items:center;min-height:32px;margin:2px 0 0 -8px;display:flex}.response-actions button{width:32px;height:32px;color:var(--muted);border-radius:8px;place-items:center;display:grid}.response-actions button:hover{background:var(--surface-hover);color:var(--text)}.response-actions button.active{color:var(--accent);background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.response-actions button.active{background:color-mix(in srgb, var(--accent) 10%, transparent)}}.typing-dots{align-items:center;gap:4px;height:28px;display:flex}.typing-dots i{background:var(--muted);border-radius:50%;width:5px;height:5px;animation:1s ease-in-out infinite typing}.typing-dots i:nth-child(2){animation-delay:.12s}.typing-dots i:nth-child(3){animation-delay:.24s}.completion-message h2{margin:0 0 10px;font-size:20px;line-height:28px}.dark-action{min-height:38px;color:var(--accent-contrast);background:var(--accent);border-radius:9px;margin-top:8px;padding:7px 15px;font-size:14px;font-weight:600}.scroll-spacer{height:160px}.composer-zone{z-index:12;background:linear-gradient(to top, var(--bg) 72%, transparent);padding:0 20px;position:relative}.composer-column{width:min(640px,100%);margin:0 auto}.composer-skip-row{justify-content:center;align-items:flex-start;height:40px;display:flex}.composer{background:var(--surface);width:100%;min-height:52px;box-shadow:var(--composer-shadow);border:1px solid #0000;border-radius:28px;grid-template-columns:38px minmax(0,1fr) 38px;align-items:center;gap:1px;padding:5px 8px;transition:box-shadow .14s,transform .14s;display:grid}.composer:focus-within{box-shadow:var(--composer-focus-shadow)}.composer.composer-error{box-shadow:0 0 0 1px var(--danger);animation:.24s shake}.composer textarea{resize:none;background:0 0;border:0;outline:none;width:100%;height:41px;max-height:120px;padding:8px 6px 8px 3px;line-height:25px;overflow:auto}.composer textarea::placeholder{color:#8a8a8a}.composer-plus,.send-button{border-radius:50%;place-self:center;place-items:center;width:34px;height:34px;display:grid}.composer-plus-label{display:none}.composer-plus:hover{background:var(--surface-hover)}.send-button{color:var(--accent-contrast);background:var(--accent)}.skip-button{border:1px solid var(--border);height:32px;color:var(--muted);background:var(--surface);border-radius:17px;align-items:center;gap:5px;padding:0 11px;font-size:13px;display:flex;box-shadow:0 1px 2px #0000000a}.skip-button:hover{background:var(--surface-hover);color:var(--text)}.disclaimer{height:27px;color:var(--faint);text-align:center;margin:0;padding-top:5px;font-size:11px;line-height:18px}.answer-error{color:var(--danger);margin:0 17px 7px;font-size:12px;line-height:18px}.modal-backdrop{z-index:80;background:#0000005c;place-items:center;padding:20px;animation:.13s fade-in;display:grid;position:fixed;inset:0}.modal{border:1px solid var(--border);background:var(--surface);border-radius:16px;flex-direction:column;width:min(560px,100%);max-height:min(900px,100dvh - 40px);animation:.16s modal-in;display:flex;overflow:hidden;box-shadow:0 20px 70px #0003}.modal header{border-bottom:1px solid var(--border);flex:0 0 58px;justify-content:space-between;align-items:center;height:58px;padding:0 14px 0 20px;display:flex}.modal header h2{margin:0;font-size:17px;font-weight:600}.modal-body{min-height:0;padding:18px 20px 20px;overflow-y:auto}.search-field{border:1px solid var(--border);border-radius:10px;align-items:center;gap:9px;height:42px;padding:0 12px;display:flex}.search-field input{background:0 0;border:0;outline:none;width:100%}.library-list{gap:4px;margin:14px 0;display:grid}.library-row{border-radius:10px;align-items:center;display:flex}.library-row:hover{background:var(--surface-hover)}.library-main{text-align:left;flex:1;align-items:center;gap:11px;min-width:0;min-height:60px;padding:7px 10px;display:flex}.library-icon{color:#fff;border-radius:8px;flex:0 0 36px;place-items:center;width:36px;height:36px;display:grid}.library-main>span:nth-child(2){flex:1;min-width:0;line-height:19px;display:grid}.library-main strong{font-size:14px;font-weight:500}.library-main small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.library-progress{color:var(--muted);font-size:12px}.delete-book{width:34px;height:34px;color:var(--muted);border-radius:8px;place-items:center;margin-right:6px;display:grid}.delete-book:hover{color:var(--danger);background:var(--danger)}@supports (color:color-mix(in lab, red, red)){.delete-book:hover{background:color-mix(in srgb, var(--danger) 10%, transparent)}}.outline-action{border:1px solid var(--border);border-radius:9px;justify-content:center;align-items:center;gap:8px;width:100%;min-height:42px;font-size:14px;display:flex}.outline-action:hover{background:var(--surface-hover)}.theme-setting{border-bottom:1px solid var(--border);padding-bottom:18px}.setting-heading{margin-bottom:12px;line-height:19px;display:grid}.setting-heading strong{font-size:14px;font-weight:500}.setting-heading small{color:var(--muted);font-size:12px}.theme-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.theme-card{border:1px solid var(--border);background:var(--surface);text-align:left;border-radius:11px;align-content:space-between;gap:9px;min-height:72px;padding:10px 11px;transition:border-color .12s,background .12s,transform .12s;display:grid}.theme-card:hover{background:var(--surface-hover)}.theme-card.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}@supports (color:color-mix(in lab, red, red)){.theme-card.active{box-shadow:0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent)}}.theme-card-top{min-height:16px;color:var(--accent);justify-content:space-between;align-items:center;display:flex}.theme-swatches{display:flex}.theme-swatches i{width:17px;height:17px;box-shadow:0 0 0 2px var(--surface);border:1px solid #7f7f7f3d;border-radius:50%}.theme-swatches i+i{margin-left:-4px}.theme-card-copy{line-height:17px;display:grid}.theme-card-copy strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:550;overflow:hidden}.theme-card-copy small{color:var(--muted);font-size:11px}.settings-list{display:grid}.settings-list label{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:20px;min-height:64px;display:flex}.settings-list label>span{line-height:19px;display:grid}.settings-list strong{font-size:14px;font-weight:500}.settings-list small{color:var(--muted);font-size:12px}.settings-list select{border:1px solid var(--border);background:var(--surface);border-radius:8px;min-width:112px;height:36px;padding:0 9px;font-size:13px}.settings-list input[type=checkbox]{width:18px;height:18px;accent-color:var(--text)}.settings-list input[type=range]{width:120px;accent-color:var(--text)}.shortcut-settings{margin-top:20px}.shortcut-heading{align-items:center;gap:9px;margin-bottom:10px;display:flex}.shortcut-heading-icon{width:30px;height:30px;color:var(--muted);background:var(--surface-soft);border-radius:8px;flex:0 0 30px;place-items:center;display:grid}.shortcut-heading>span:last-child{line-height:18px;display:grid}.shortcut-heading strong{font-size:14px;font-weight:550}.shortcut-heading small{color:var(--muted);font-size:11px}.shortcut-list{border:1px solid var(--border);border-radius:11px;grid-template-columns:repeat(2,minmax(0,1fr));display:grid;overflow:hidden}.shortcut-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;min-height:42px;padding:7px 10px 7px 12px;font-size:13px;display:flex}.shortcut-row:nth-child(odd){border-right:1px solid var(--border)}.shortcut-row:last-child{border-bottom:0;border-right:0;grid-column:1/-1}.shortcut-keys{flex:none;align-items:center;gap:4px;display:flex}.shortcut-keys kbd{min-width:25px;height:25px;color:var(--muted);background:var(--surface-soft);border:1px solid var(--border);border-bottom-color:var(--border);place-items:center;padding:0 7px;display:inline-grid}@supports (color:color-mix(in lab, red, red)){.shortcut-keys kbd{border-bottom-color:color-mix(in srgb, var(--border) 70%, var(--text))}}.shortcut-keys kbd{box-shadow:0 1px 0 var(--border);border-radius:6px;font-family:inherit;font-size:11px;line-height:1}@supports (color:color-mix(in lab, red, red)){.shortcut-keys kbd{box-shadow:0 1px 0 color-mix(in srgb, var(--border) 75%, transparent)}}.settings-links{gap:15px;padding:17px 0 8px;display:flex}.settings-links a{color:var(--muted);text-underline-offset:3px;font-size:13px;text-decoration:underline}.danger-action{min-height:39px;color:var(--danger);border:1px solid var(--danger);margin-top:12px;padding:0 12px}@supports (color:color-mix(in lab, red, red)){.danger-action{border:1px solid color-mix(in srgb, var(--danger) 36%, var(--border))}}.danger-action{border-radius:9px;font-size:13px}.stats-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.stats-grid div{background:var(--surface-soft);border-radius:12px;align-content:center;gap:4px;min-height:100px;padding:16px;display:grid}.stats-grid strong{font-size:27px;line-height:32px}.stats-grid span{color:var(--muted);font-size:12px}.empty-note{color:var(--muted);margin:18px 0 0;font-size:13px}.upload-drop{cursor:pointer;border:1px dashed #aaa;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:6px;min-height:160px;display:flex}.upload-drop:hover{background:var(--surface-soft)}.upload-drop strong{font-size:14px}.upload-drop span{color:var(--muted);font-size:12px}.upload-drop input{display:none}.template-actions{gap:10px;margin-top:12px;display:flex}.template-actions button{min-height:34px;color:var(--muted);border-radius:8px;padding:0 9px;font-size:12px}.template-actions button:hover{background:var(--surface-hover);color:var(--text)}.import-preview{background:var(--surface-soft);border-radius:12px;margin-top:15px;padding:14px}.import-preview h3{margin:0 0 6px;font-size:15px}.import-preview p,.import-preview ul{color:var(--muted);margin:5px 0;font-size:12px}.import-preview ul{padding-left:20px}.toast{z-index:100;color:#fff;background:#171717;border-radius:8px;padding:8px 13px;font-size:13px;animation:.18s toast-in;position:fixed;bottom:94px;left:50%;transform:translate(-50%);box-shadow:0 8px 26px #0003}.mobile-scrim{display:none}.info-page{background:var(--bg);min-height:100dvh;padding:70px 24px;overflow-y:auto}.info-card{width:min(720px,100%);margin:0 auto}.info-card>a{color:var(--muted);font-size:14px}.info-card h1{letter-spacing:-.03em;margin:28px 0 16px;font-size:34px;line-height:42px}.info-card h2{margin:30px 0 8px;font-size:19px}.info-card p,.info-card li{color:var(--muted)}.info-card a{text-underline-offset:3px;text-decoration:underline}:root[data-theme=deepseek] .app-shell{grid-template-columns:262px minmax(0,1fr)}:root[data-theme=deepseek] .app-shell.sidebar-collapsed{grid-template-columns:0 minmax(0,1fr)}:root[data-theme=deepseek] .sidebar{border-right:1px solid #eef0f4;width:262px}:root[data-theme=deepseek] .sidebar-collapsed .sidebar{width:0}:root[data-theme=deepseek] .sidebar-top{flex-basis:64px;height:64px;padding:0 12px 0 16px}:root[data-theme=deepseek] .brand{color:#3964fe;letter-spacing:-.025em;font-size:21px;font-weight:700}:root[data-theme=deepseek] .brand-mark{color:#fff;letter-spacing:-.04em;background:#3964fe;border-radius:9px 13px;place-items:center;width:26px;height:26px;font-size:9px;font-weight:800;display:grid;transform:rotate(-8deg)}:root[data-theme=deepseek] .brand-mark+span{transform:translateY(-1px)}:root[data-theme=deepseek] .sidebar-top-actions{gap:2px}:root[data-theme=deepseek] .primary-nav{padding:6px 12px 18px}:root[data-theme=deepseek] .primary-nav button:first-child{background:#fff;border:1px solid #e5e7eb;border-radius:24px;justify-content:center;height:44px;font-weight:500;box-shadow:0 2px 5px #0f11150d}:root[data-theme=deepseek] .primary-nav button:first-child:hover{background:#f7f9ff;border-color:#ccd6ff}:root[data-theme=deepseek] .primary-nav button:not(:first-child){display:none}:root[data-theme=deepseek] .sidebar-scroll{padding:4px 12px 10px}:root[data-theme=deepseek] .sidebar-label{color:#8b92a1;height:34px;padding:7px 10px;font-size:12px;font-weight:500}:root[data-theme=deepseek] .chats-label{margin-top:16px}:root[data-theme=deepseek] .book-nav-item{border-radius:11px;min-height:48px;padding:6px 10px}:root[data-theme=deepseek] .book-nav-item.active,:root[data-theme=deepseek] .history-item.active{color:#3964fe;background:#e7efff}:root[data-theme=deepseek] .book-dot{display:none}:root[data-theme=deepseek] .book-nav-copy{line-height:18px}:root[data-theme=deepseek] .book-nav-copy small{color:#8b92a1}:root[data-theme=deepseek] .history-item{border-radius:10px;height:40px;padding:0 10px}:root[data-theme=deepseek] .profile-button{border-top:1px solid #eef0f4;border-radius:0;min-height:60px;margin:0;padding:8px 18px}:root[data-theme=deepseek] .chat-main{grid-template-rows:60px minmax(0,1fr) auto}:root[data-theme=deepseek] .chat-header{height:60px;padding:0 18px}:root[data-theme=deepseek] .model-button{align-items:flex-start;height:48px;padding:4px 8px!important}:root[data-theme=deepseek] .model-copy{text-align:left;gap:0;line-height:18px;display:grid}:root[data-theme=deepseek] .model-brand-name{display:none}:root[data-theme=deepseek] .model-book-name{max-width:260px;color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:500;display:block;overflow:hidden}:root[data-theme=deepseek] .model-copy small{color:#626a7a;align-items:center;gap:5px;font-size:11px;font-weight:400;display:flex}:root[data-theme=deepseek] .model-copy small:before{content:"";background:#3964fe;border-radius:2px;width:8px;height:8px;transform:rotate(45deg)}:root[data-theme=deepseek] .model-button>svg{display:none}:root[data-theme=deepseek] .conversation-column{width:min(624px,100% - 48px);padding-top:28px}:root[data-theme=deepseek] .assistant-copy,:root[data-theme=deepseek] .assistant-copy blockquote{line-height:28px}:root[data-theme=deepseek] .pronunciation-action{color:#6b7280}:root[data-theme=deepseek] .response-actions button{color:#737b8c}:root[data-theme=deepseek] .user-bubble{background:#edf3ff}:root[data-theme=deepseek] .scroll-spacer{height:210px}:root[data-theme=deepseek] .composer-zone{background:linear-gradient(#fff0,#fff 18%);padding:0 32px}:root[data-theme=deepseek] .composer-column{width:min(648px,100%)}:root[data-theme=deepseek] .composer{border:1px solid #0000001a;border-radius:24px;grid-template:"input input input"68px"plus spacer send"38px/auto minmax(0,1fr) 38px;align-items:center;gap:0 8px;min-height:124px;padding:0 12px 8px}:root[data-theme=deepseek] .composer textarea{grid-area:input;align-self:stretch;height:68px;max-height:68px;padding:14px 4px 6px;line-height:24px}:root[data-theme=deepseek] .composer textarea::placeholder{color:#a7adba}:root[data-theme=deepseek] .composer-plus{border:1px solid #e5e7eb;border-radius:18px;grid-area:plus;gap:6px;width:auto;height:34px;padding:0 11px;font-size:13px;display:flex}:root[data-theme=deepseek] .composer-plus:hover{background:#f6f8fc}:root[data-theme=deepseek] .composer-plus-label{display:inline}:root[data-theme=deepseek] .skip-button{color:#303746;border:1px solid #e5e7eb;border-radius:18px;height:34px;padding:0 11px}:root[data-theme=deepseek] .skip-button:hover{background:#f6f8fc}:root[data-theme=deepseek] .send-button{color:#fff;background:#8fa7ff;grid-area:send;width:36px;height:36px}:root[data-theme=deepseek] .send-button:not(:disabled){background:#4d6bfe}:root[data-theme=deepseek] .disclaimer{color:#a1a7b3;height:28px;padding-top:6px}@keyframes typing{0%,60%,to{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}@keyframes reveal-message{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{0%,to{transform:translate(0)}33%{transform:translate(-3px)}66%{transform:translate(3px)}}@keyframes fade-in{0%{opacity:0}}@keyframes modal-in{0%{opacity:0;transform:translateY(8px)scale(.985)}}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,6px)}}.reveal-message{animation:.18s both reveal-message}@media (max-width:767px){.app-shell,.app-shell.sidebar-collapsed{display:block}.sidebar,.sidebar-collapsed .sidebar{width:min(86vw,300px);position:fixed;inset:0 auto 0 0;transform:translate(-102%);box-shadow:10px 0 35px #00000021}.sidebar.sidebar-mobile-open{transform:translate(0)}.mobile-scrim{z-index:25;background:#00000047;display:block;position:fixed;inset:0}.chat-main{width:100%}.mobile-menu{display:inline-flex!important}.desktop-open-sidebar{display:none!important}.header-actions button span{display:none}.conversation-column{width:calc(100% - 28px);padding-top:20px}.assistant-row{margin-bottom:26px}.user-bubble{max-width:84%}.composer-zone{padding:0 10px}.composer{grid-template-columns:36px minmax(0,1fr) 34px}.skip-button span{display:none}.skip-button{justify-content:center;width:34px;padding:0}.disclaimer{font-size:10px}.stats-grid,.theme-grid,.shortcut-list{grid-template-columns:1fr}.shortcut-row:nth-child(odd){border-right:0}.shortcut-row:last-child{grid-column:auto}.rename-chat-button{opacity:1}:root[data-theme=deepseek] .sidebar,:root[data-theme=deepseek] .sidebar-collapsed .sidebar{width:min(86vw,300px)}:root[data-theme=deepseek] .chat-header{padding:0 10px}:root[data-theme=deepseek] .model-book-name{max-width:190px}:root[data-theme=deepseek] .conversation-column{width:calc(100% - 28px)}:root[data-theme=deepseek] .composer-zone{padding:0 10px}:root[data-theme=deepseek] .composer{grid-template-rows:58px 38px;min-height:112px}:root[data-theme=deepseek] .composer textarea{height:58px;max-height:58px;padding-top:11px}:root[data-theme=deepseek] .composer-plus{justify-content:center;width:34px;padding:0}:root[data-theme=deepseek] .composer-plus-label{display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}