*,:after,:before{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }/*
! tailwindcss v3.4.19 | MIT License | https://tailwindcss.com
*/*,:after,:before{box-sizing:border-box;border:0 solid #e5e7eb}:after,:before{--tw-content:""}:host,html{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:ui-sans-serif,system-ui,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{line-height:inherit}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;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dd,dl,figure,h1,h2,h3,h4,h5,h6,hr,p,pre{margin:0}fieldset{margin:0}fieldset,legend{padding:0}menu,ol,ul{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}[role=button],button{cursor:pointer}:disabled{cursor:default}audio,canvas,embed,iframe,img,object,svg,video{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.absolute{position:absolute}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:.75rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}.mt-5{margin-top:1.25rem}.block{display:block}.flex{display:flex}.inline-flex{display:inline-flex}.grid{display:grid}.hidden{display:none}.h-3\.5{height:.875rem}.h-4{height:1rem}.w-3\.5{width:.875rem}.w-4{width:1rem}.w-full{width:100%}.min-w-0{min-width:0}.flex-1{flex:1 1 0%}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-start{align-items:flex-start}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.space-y-2>:not([hidden])~:not([hidden]){--tw-space-y-reverse:0;margin-top:calc(.5rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(.5rem * var(--tw-space-y-reverse))}.space-y-4>:not([hidden])~:not([hidden]){--tw-space-y-reverse:0;margin-top:calc(1rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(1rem * var(--tw-space-y-reverse))}.rounded-full{border-radius:9999px}.border{border-width:1px}.border-2{border-width:2px}.pt-4{padding-top:1rem}.pt-5{padding-top:1.25rem}.text-center{text-align:center}.uppercase{text-transform:uppercase}.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,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}:root{--bg:#f6f4fb;--bg-elevated:#fff;--bg-surface:#f0ecf8;--card:#fff;--card-hover:#faf8ff;--border:#e2ddf0;--border-subtle:#ece8f6;--text:#1e1535;--text-secondary:#5c5478;--text-tertiary:#9991b0;--success:#10b981;--error:#ef4444;--warning:#f59e0b;--ring:rgba(139,92,246,.18);--shadow-sm:0 1px 3px rgba(100,60,160,.06);--shadow-md:0 4px 14px rgba(100,60,160,.09);--shadow-lg:0 8px 28px rgba(100,60,160,.12);--accent-from:#8b5cf6;--accent-to:#d946ef;--accent-glow:rgba(139,92,246,.25);--cat-pdf:#ef4444;--cat-pdf-bg:#fef2f2;--cat-word:#3b82f6;--cat-word-bg:#eff6ff;--cat-excel:#10b981;--cat-excel-bg:#ecfdf5;--cat-ppt:#f97316;--cat-ppt-bg:#fff7ed;--cat-image:#a855f7;--cat-image-bg:#f5f3ff;--cat-audio:#06b6d4;--cat-audio-bg:#ecfeff;--cat-video:#ec4899;--cat-video-bg:#fdf2f8;--cat-ebook:#84cc16;--cat-ebook-bg:#f7fee7;--cat-archive:#64748b;--cat-archive-bg:#f8fafc;--cat-font:#d946ef;--cat-font-bg:#fdf4ff;--cat-3d:#14b8a6;--cat-3d-bg:#f0fdfa;--cat-data:#6366f1;--cat-data-bg:#eef2ff;--cat-tool:#0ea5e9;--cat-tool-bg:#f0f9ff;--sidebar-width:250px;--sidebar-bg:linear-gradient(180deg,#f0eafc,#e8e0f6);--sidebar-bg-solid:#ede6f8;--sidebar-hover:rgba(139,92,246,.08);--sidebar-active:rgba(139,92,246,.12);--sidebar-active-text:#7c3aed}*{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Inter,Segoe UI,sans-serif;line-height:1.6;margin:0}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);border-right:1px solid var(--border);position:fixed;top:0;left:0;bottom:0;z-index:40;display:flex;flex-direction:column;overflow-y:auto;transition:transform .3s ease}.sidebar-logo{display:flex;align-items:center;gap:12px;padding:22px 20px 18px;border-bottom:1px solid rgba(139,92,246,.12)}.sidebar-logo-icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;color:#fff;background:linear-gradient(135deg,#8b5cf6,#d946ef);box-shadow:0 4px 14px rgba(139,92,246,.35)}.sidebar-logo-text{font-size:17px;font-weight:700;letter-spacing:-.02em;color:var(--text)}.sidebar-logo-sub{font-size:10px;color:var(--text-tertiary);font-weight:400}.sidebar-section{padding:14px 12px 4px}.sidebar-section-label{font-size:10px;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.08em;padding:0 10px;margin-bottom:6px}.sidebar-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;font-size:13.5px;color:var(--text-secondary);cursor:pointer;transition:all .15s ease;text-decoration:none;border:none;background:none;width:100%;text-align:left}.sidebar-item:hover{background:var(--sidebar-hover);color:var(--text)}.sidebar-item.active{background:var(--sidebar-active);color:var(--sidebar-active-text);font-weight:600}.sidebar-item-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;transition:transform .15s ease}.sidebar-item:hover .sidebar-item-icon{transform:scale(1.08)}.sidebar-badge{margin-left:auto;font-size:10px;padding:2px 8px;border-radius:10px;background:linear-gradient(135deg,#ef4444,#f97316);color:#fff;font-weight:600}.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh}.topbar{height:58px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:30;backdrop-filter:blur(16px) saturate(180%);background:rgba(246,244,251,.85)}.topbar-title{font-size:15px;font-weight:600;color:var(--text)}.topbar-actions{display:flex;align-items:center;gap:8px}.content-area{padding:28px;max-width:1200px}.card{background:var(--card);border:1px solid var(--border-subtle);border-radius:14px;padding:20px;transition:all .2s ease;box-shadow:var(--shadow-sm)}.card:hover{border-color:var(--border);box-shadow:var(--shadow-md)}.card-flat{background:var(--card);border:1px solid var(--border-subtle);border-radius:14px;padding:20px;transition:border-color .2s}.feature-card{background:var(--card);border:1px solid var(--border-subtle);border-radius:16px;padding:24px;cursor:pointer;transition:all .3s cubic-bezier(.22,1,.36,1);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.feature-card:before{top:0;left:0;right:0;height:3px}.feature-card:after,.feature-card:before{content:"";position:absolute;opacity:0;transition:opacity .3s}.feature-card:after{inset:0;background:radial-gradient(circle at 50% 0,rgba(139,92,246,.04),transparent 60%);pointer-events:none}.feature-card:hover{border-color:rgba(139,92,246,.25);box-shadow:var(--shadow-lg);transform:translateY(-3px)}.feature-card:hover:after,.feature-card:hover:before{opacity:1}.feature-card-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}.feature-card-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px}.feature-card-desc{font-size:12.5px;color:var(--text-tertiary);line-height:1.5}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;border-radius:10px;font-weight:600;font-size:14px;transition:all .2s cubic-bezier(.22,1,.36,1);background:linear-gradient(135deg,#8b5cf6,#d946ef);color:#fff;border:none;cursor:pointer;box-shadow:0 4px 14px rgba(139,92,246,.3)}.btn-primary:hover{box-shadow:0 6px 22px rgba(139,92,246,.4);transform:translateY(-1px);filter:brightness(1.08)}.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(139,92,246,.2)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;filter:none}.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:8px;font-weight:500;font-size:13px;border:1px solid var(--border);color:var(--text-secondary);background:var(--bg-elevated);cursor:pointer;transition:all .15s}.btn-outline:hover{border-color:#8b5cf6;color:#7c3aed;background:rgba(139,92,246,.04)}.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 12px;border-radius:8px;font-size:13px;color:var(--text-secondary);background:transparent;border:none;cursor:pointer;transition:all .15s}.btn-ghost:hover{background:rgba(139,92,246,.06);color:var(--text)}.input{width:100%;padding:10px 14px;border-radius:10px;border:1px solid var(--border);outline:none;font-size:13.5px;background:var(--bg-elevated);color:var(--text);transition:all .15s}.input::-moz-placeholder{color:var(--text-tertiary)}.input::placeholder{color:var(--text-tertiary)}.input:focus{border-color:#8b5cf6;box-shadow:0 0 0 3px var(--ring)}.drop-zone{border:2px dashed var(--border);border-radius:16px;padding:44px 20px;text-align:center;cursor:pointer;transition:all .3s ease;background:var(--bg-surface);position:relative}.drop-zone:hover{border-color:#8b5cf6;background:rgba(139,92,246,.04)}.drop-zone.active{border-color:#8b5cf6;background:rgba(139,92,246,.08);box-shadow:0 0 0 4px rgba(139,92,246,.12)}.progress-bar{height:6px;border-radius:3px;overflow:hidden;background:var(--border-subtle)}.progress-fill{height:100%;border-radius:3px;transition:width .7s ease-out;background:linear-gradient(90deg,#8b5cf6,#d946ef);box-shadow:0 0 10px rgba(139,92,246,.3)}.format-tag{padding:6px 12px;border-radius:8px;font-size:12.5px;font-family:SF Mono,Menlo,monospace;cursor:pointer;transition:all .15s;background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-secondary);font-weight:500}.format-tag:hover{border-color:#8b5cf6;color:#7c3aed;background:rgba(139,92,246,.06)}.format-tag.selected{border-color:transparent;color:#fff;background:linear-gradient(135deg,#8b5cf6,#d946ef);box-shadow:0 2px 8px rgba(139,92,246,.3)}.tab-bar{display:flex;gap:2px;padding:4px;background:var(--bg-surface);border-radius:12px;border:1px solid var(--border-subtle)}.tab-item{padding:7px 16px;border-radius:8px;font-size:13px;font-weight:500;color:var(--text-tertiary);cursor:pointer;transition:all .15s;border:none;background:none;white-space:nowrap}.tab-item:hover{color:var(--text-secondary);background:rgba(139,92,246,.06)}.tab-item.active{background:var(--bg-elevated);color:#7c3aed;font-weight:600;box-shadow:var(--shadow-sm)}.tool-card{background:var(--card);border:1px solid var(--border-subtle);border-radius:14px;padding:20px;cursor:pointer;transition:all .25s cubic-bezier(.22,1,.36,1)}.tool-card:hover{border-color:rgba(139,92,246,.2);box-shadow:var(--shadow-md);transform:translateY(-2px)}.tool-card-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:12px}.quick-pill{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:20px;font-size:12.5px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-secondary);cursor:pointer;transition:all .2s;white-space:nowrap}.quick-pill:hover{border-color:#8b5cf6;box-shadow:0 2px 10px rgba(139,92,246,.12);background:rgba(139,92,246,.04);color:var(--text)}.quick-pill .arrow{color:#8b5cf6;font-size:11px}.file-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:12px;background:var(--bg-surface);border:1px solid var(--border-subtle);transition:border-color .15s}.file-item:hover{border-color:var(--border)}.file-type-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;text-transform:uppercase;font-family:SF Mono,Menlo,monospace}.status-dot{width:8px;height:8px;border-radius:50%}.status-dot.processing{background:#8b5cf6;box-shadow:0 0 8px rgba(139,92,246,.5);animation:pulse-dot 1.5s ease-in-out infinite}.status-dot.complete{background:var(--success);box-shadow:0 0 6px rgba(16,185,129,.4)}.status-dot.failed{background:var(--error)}@keyframes spin{to{transform:rotate(1turn)}}.spinner{animation:spin .8s linear infinite}@keyframes fade-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes scale-in{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.animate-fade-up{animation:fade-up .4s ease-out both}.animate-fade-in{animation:fade-in .3s ease-out both}.animate-scale-in{animation:scale-in .3s ease-out both}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.4}}.section-title{font-size:17px;font-weight:700;color:var(--text);margin-bottom:4px;letter-spacing:-.01em}.section-desc{font-size:13px;color:var(--text-tertiary)}.section-header{margin-bottom:20px}.divider{height:1px;background:var(--border-subtle)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.empty-state{text-align:center;padding:48px 24px;color:var(--text-tertiary)}.empty-state-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;background:var(--border-subtle);font-size:24px}.mobile-menu-btn{display:none;padding:8px;border:none;background:none;cursor:pointer;color:var(--text-secondary)}.sidebar-overlay{display:none}@media (max-width:768px){.sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(30,21,53,.4);backdrop-filter:blur(4px);z-index:35}.sidebar-overlay.open{display:block}.main-content{margin-left:0}.mobile-menu-btn{display:flex}.content-area{padding:16px}}.nav-link{font-size:13px;color:var(--text-secondary);transition:color .15s;text-decoration:none}.nav-link:hover{color:var(--text)}@media (min-width:640px){.sm\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.sm\:grid-cols-6{grid-template-columns:repeat(6,minmax(0,1fr))}}@media (min-width:768px){.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1024px){.lg\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.lg\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}}