:root{font-family:Roboto,Segoe UI,Tahoma,Geneva,Verdana,sans-serif;--md-sys-typescale-display-large-font: "Roboto";--md-sys-typescale-display-large-size: 57px;--md-sys-typescale-display-large-weight: 400;--md-sys-typescale-display-large-line-height: 64px;--md-sys-typescale-display-medium-font: "Roboto";--md-sys-typescale-display-medium-size: 45px;--md-sys-typescale-display-medium-weight: 400;--md-sys-typescale-display-medium-line-height: 52px;--md-sys-typescale-headline-large-font: "Roboto";--md-sys-typescale-headline-large-size: 32px;--md-sys-typescale-headline-large-weight: 400;--md-sys-typescale-headline-large-line-height: 40px;--md-sys-typescale-headline-medium-font: "Roboto";--md-sys-typescale-headline-medium-size: 28px;--md-sys-typescale-headline-medium-weight: 400;--md-sys-typescale-headline-medium-line-height: 36px;--md-sys-typescale-title-large-font: "Roboto";--md-sys-typescale-title-large-size: 22px;--md-sys-typescale-title-large-weight: 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#6750a4;--md-sys-color-on-primary: #ffffff;--md-sys-color-primary-container: #eaddff;--md-sys-color-on-primary-container: #21005d;--md-sys-color-secondary: #625b71;--md-sys-color-on-secondary: #ffffff;--md-sys-color-secondary-container: #e8def8;--md-sys-color-on-secondary-container: #1d192b;--md-sys-color-tertiary: #7d5260;--md-sys-color-on-tertiary: #ffffff;--md-sys-color-tertiary-container: #ffd8e4;--md-sys-color-on-tertiary-container: #31111d;--md-sys-color-error: #ba1a1a;--md-sys-color-on-error: #ffffff;--md-sys-color-error-container: #ffdad6;--md-sys-color-on-error-container: #410002;--md-sys-color-background: #fffbfe;--md-sys-color-on-background: #1c1b1f;--md-sys-color-surface: #fffbfe;--md-sys-color-on-surface: #1c1b1f;--md-sys-color-surface-variant: #e7e0ec;--md-sys-color-on-surface-variant: #49454f;--md-sys-color-outline: #79747e;--md-sys-color-outline-variant: #cab6d1;--md-sys-color-surface-dim: #ded8e1;--md-sys-color-surface-bright: #fffbfe;--md-sys-color-surface-container-lowest: #ffffff;--md-sys-color-surface-container-low: #f7f2fa;--md-sys-color-surface-container: #f3edf7;--md-sys-color-surface-container-high: #ece6f0;--md-sys-color-surface-container-highest: #e6e0e9;--md-sys-elevation-level0: none;--md-sys-elevation-level1: none;--md-sys-elevation-level2: none;--md-sys-elevation-level3: none;--md-sys-elevation-level4: none;--md-sys-elevation-level5: none;--md-sys-shape-corner-none: 0px;--md-sys-shape-corner-extra-small: 4px;--md-sys-shape-corner-small: 8px;--md-sys-shape-corner-medium: 12px;--md-sys-shape-corner-large: 16px;--md-sys-shape-corner-extra-large: 28px;--md-sys-shape-corner-full: 50%;--md-sys-motion-duration-short1: 50ms;--md-sys-motion-duration-short2: .1s;--md-sys-motion-duration-short3: .15s;--md-sys-motion-duration-short4: .2s;--md-sys-motion-duration-medium1: .25s;--md-sys-motion-duration-medium2: .3s;--md-sys-motion-duration-medium3: .35s;--md-sys-motion-duration-medium4: .4s;--md-sys-motion-duration-long1: .45s;--md-sys-motion-duration-long2: .5s;--md-sys-motion-duration-long3: .55s;--md-sys-motion-duration-long4: .6s;--md-sys-motion-duration-extra-long1: .7s;--md-sys-motion-duration-extra-long2: .8s;--md-sys-motion-duration-extra-long3: .9s;--md-sys-motion-duration-extra-long4: 1s;--md-sys-motion-easing-linear: cubic-bezier(0, 0, 1, 1);--md-sys-motion-easing-standard: cubic-bezier(.2, 0, 0, 1);--md-sys-motion-easing-standard-decelerate: cubic-bezier(0, 0, 0, 1);--md-sys-motion-easing-standard-accelerate: cubic-bezier(.3, 0, 1, 1);--md-sys-motion-easing-emphasized: cubic-bezier(.2, 0, 0, 1);--md-sys-motion-easing-emphasized-decelerate: cubic-bezier(.05, .7, .1, 1);--md-sys-motion-easing-emphasized-accelerate: cubic-bezier(.3, 0, .8, .15);color-scheme:light;color:var(--md-sys-color-on-background);background-color:var(--md-sys-color-background);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}@media (prefers-color-scheme: dark){:root{--md-sys-color-primary: #d0bcff;--md-sys-color-on-primary: #381e72;--md-sys-color-primary-container: #4f378b;--md-sys-color-on-primary-container: #eaddff;--md-sys-color-secondary: #ccc2dc;--md-sys-color-on-secondary: #332d41;--md-sys-color-secondary-container: #4a4458;--md-sys-color-on-secondary-container: #e8def8;--md-sys-color-tertiary: #efb8c8;--md-sys-color-on-tertiary: #492532;--md-sys-color-tertiary-container: #633b48;--md-sys-color-on-tertiary-container: #ffd8e4;--md-sys-color-error: #ffb4ab;--md-sys-color-on-error: #690005;--md-sys-color-error-container: #93000a;--md-sys-color-on-error-container: #ffdad6;--md-sys-color-background: #10131c;--md-sys-color-on-background: #e6e0e9;--md-sys-color-surface: #10131c;--md-sys-color-on-surface: #e6e0e9;--md-sys-color-surface-variant: #49454f;--md-sys-color-on-surface-variant: #cab6d1;--md-sys-color-outline: #938f99;--md-sys-color-outline-variant: #49454f;--md-sys-color-surface-dim: #10131c;--md-sys-color-surface-bright: #393348;--md-sys-color-surface-container-lowest: #0b0e17;--md-sys-color-surface-container-low: #191c24;--md-sys-color-surface-container: #1d2029;--md-sys-color-surface-container-high: #272a33;--md-sys-color-surface-container-highest: #32353e;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;padding:0;min-height:100vh;font-family:var(--md-sys-typescale-body-large-font);font-size:var(--md-sys-typescale-body-large-size);font-weight:var(--md-sys-typescale-body-large-weight);line-height:var(--md-sys-typescale-body-large-line-height);color:var(--md-sys-color-on-background);background-color:var(--md-sys-color-background);transition:background-color var(--md-sys-motion-duration-medium2) 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cubic-bezier(.4,0,.2,1)}.navigation-rail.open{transform:translate(0)}}.material-dialog{border:none;border-radius:16px;padding:0;background:var(--md-sys-color-surface-container);color:var(--md-sys-color-on-surface);box-shadow:var(--md-sys-elevation-3);backdrop-filter:blur(8px);max-height:80vh;max-width:90vw;width:100%;overflow:hidden}.material-dialog.sm{max-width:400px}.material-dialog.md{max-width:600px}.material-dialog.lg{max-width:800px}.material-dialog.xl{max-width:1200px}.material-dialog.fullscreen{max-width:95vw;max-height:95vh;width:95vw;height:95vh}.material-dialog::backdrop{background:#0006;backdrop-filter:blur(4px)}.dialog-container{display:flex;flex-direction:column;height:100%;min-height:200px}.dialog-header{display:flex;align-items:center;justify-content:space-between;padding:24px 24px 16px;border-bottom:1px solid var(--md-sys-color-outline-variant);background:var(--md-sys-color-surface-container)}.dialog-title{margin:0;font-family:Roboto,sans-serif;font-size:1.375rem;font-weight:500;color:var(--md-sys-color-on-surface);line-height:1.4}.dialog-close-button{background:none;border:none;font-size:1.5rem;color:var(--md-sys-color-on-surface-variant);cursor:pointer;padding:8px;border-radius:8px;transition:background-color .2s ease,color .2s ease;display:flex;align-items:center;justify-content:center;width:40px;height:40px}.dialog-close-button:hover{background:var(--md-sys-color-secondary-container);color:var(--md-sys-color-on-secondary-container)}.dialog-content{flex:1;padding:24px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--md-sys-color-outline-variant) 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infinite}.enhance-card{max-width:600px;text-align:center;padding:48px 32px;background:var(--md-sys-color-surface-container);border-radius:24px;box-shadow:var(--md-sys-elevation-1);position:relative}.card-header{position:absolute;top:16px;right:16px}.settings-button{background:var(--md-sys-color-secondary-container);color:var(--md-sys-color-on-secondary-container);border:none;padding:8px 16px;border-radius:8px;font-family:Roboto,sans-serif;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:4px}.settings-button:hover{background:var(--md-sys-color-secondary);color:var(--md-sys-color-on-secondary);transform:translateY(-1px)}.card-footer{margin-top:24px;padding-top:24px;border-top:1px solid var(--md-sys-color-outline-variant)}.file-info{margin-bottom:32px}.file-icon{font-size:3rem;margin-bottom:16px}.enhance-card h2{margin:0 0 8px;font-family:Roboto,sans-serif;font-size:1.75rem;font-weight:500;color:var(--md-sys-color-on-surface)}.file-name{margin:0 0 16px;font-family:Roboto Mono,monospace;font-size:1rem;color:var(--md-sys-color-primary);background:var(--md-sys-color-primary-container);padding:8px 16px;border-radius:8px;display:inline-block}.file-description{margin:0;font-family:Roboto,sans-serif;font-size:1rem;color:var(--md-sys-color-on-surface-variant);line-height:1.5}.action-button,.enhance-button,.button{font-family:Roboto,sans-serif;font-size:.95rem;font-weight:500;padding:12px 24px;border-radius:12px;border:none;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex;align-items:center;gap:8px;text-decoration:none;line-height:1.4;min-height:48px;justify-content:center}.action-button.primary,.enhance-button.primary,.button.primary{background:var(--md-sys-color-primary);color:var(--md-sys-color-on-primary);box-shadow:var(--md-sys-elevation-1)}.action-button.primary:hover,.enhance-button.primary:hover,.button.primary:hover{background:var(--md-sys-color-primary);box-shadow:var(--md-sys-elevation-2);transform:translateY(-1px)}.action-button.secondary,.button.secondary{background:var(--md-sys-color-secondary-container);color:var(--md-sys-color-on-secondary-container);border:1px solid var(--md-sys-color-outline-variant)}.action-button.secondary:hover,.button.secondary:hover{background:var(--md-sys-color-secondary-container);border-color:var(--md-sys-color-outline)}.action-button:disabled,.enhance-button:disabled,.button:disabled{opacity:.38;cursor:not-allowed;transform:none;box-shadow:none}.button-icon{font-size:1.1rem}.dialog-step{display:flex;flex-direction:column;gap:24px}.step-description{margin:0;font-family:Roboto,sans-serif;font-size:1rem;color:var(--md-sys-color-on-surface-variant);line-height:1.5}.dialog-actions{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap;margin-top:8px}.ai-review-wrapper{margin-top:2rem;margin-bottom:4rem;max-width:1200px;margin-left:auto;margin-right:auto;background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;overflow:hidden;height:auto;min-height:600px}@media (max-width: 768px){.ai-review-wrapper{border-radius:8px;margin:1rem .5rem;box-shadow:0 1px 4px #0000001a;min-height:500px}}@keyframes slide-down{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:.8}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 1024px){.app-main{margin-left:260px}.main-content{padding:20px}.welcome-card,.processing-card,.enhance-card{padding:32px 24px}}@media (max-width: 768px){.mobile-menu-toggle{display:flex;align-items:center;justify-content:center}.mobile-overlay{display:block}.app-main{margin-left:0}.main-content{padding:80px 16px 16px}.welcome-card,.processing-card,.enhance-card{padding:24px 16px;margin:0 8px}.welcome-card h1{font-size:2rem}.quick-actions{flex-direction:column;align-items:stretch}.action-button,.enhance-button{width:100%}.dialog-actions{flex-direction:column;align-items:stretch}}