:root{--font-size-sm: .875rem;--color-page: #f5f5f5;--color-surface: #ffffff;--color-surface-muted: #f6f8fa;--color-text: #333333;--color-text-muted: #666666;--color-text-subtle: #555555;--color-border: #dddddd;--color-border-strong: #cccccc;--color-border-muted: #d0d7de;--color-border-hover: #afb8c1;--color-primary: #1976d2;--color-primary-hover: #1565c0;--color-primary-ring: rgba(25, 118, 210, .15);--color-danger: #d32f2f;--color-danger-hover: #b71c1c;--error-bg: #f8d7da;--error-border: #f5c6cb;--error-text: #721c24;--shadow-card: 0 2px 4px rgba(0, 0, 0, .1);font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3rem;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1rem;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.document-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.document-item{border:1px solid #ddd;border-radius:8px;padding:15px;background-color:#f9f9f9;transition:box-shadow .2s;position:relative}.document-item:hover{box-shadow:0 4px 8px #0000001a}.document-link{text-decoration:none;color:inherit;display:block}.document-link h3{margin-bottom:10px;color:#333}.document-preview{color:#666;font-size:var(--font-size-sm);line-height:1.4}.delete-document-icon{position:absolute;top:10px;right:10px;background-color:transparent;color:#999;border:none;border-radius:4px;padding:6px 8px;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s,color .2s}.document-item:hover .delete-document-icon{opacity:1}.delete-document-icon:hover{color:var(--color-danger)}.document-detail-page{padding:20px;margin:0 auto}.document-header{margin-bottom:30px}.back-link{display:inline-flex;align-items:center;gap:8px;color:#007bff;text-decoration:none;margin-bottom:20px}.back-link:hover{text-decoration:underline}.document-header h1{margin-bottom:20px;color:#333}.prompt-selector{margin-bottom:20px}.prompt-selector label{display:block;margin-bottom:10px;font-weight:700}.prompt-selector select{padding:8px;border:1px solid #ddd;border-radius:4px;font-size:var(--font-size-sm);min-width:200px}.document-content{background-color:#f9f9f9;padding:20px;border-radius:8px;border:1px solid #ddd}.line-container{margin-bottom:20px;border-bottom:1px solid #eee;padding-bottom:20px}.line-container:last-child{border-bottom:none;margin-bottom:0}.line-content{display:flex;align-items:flex-start;gap:15px;margin-bottom:10px}.line-text{flex:1;margin:0;padding:10px;background-color:#fff;border:1px solid #ddd;border-radius:4px;font-size:1rem;line-height:1.5}.explain-button{padding:8px 16px;background-color:#28a745;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:var(--font-size-sm);white-space:nowrap}.explain-button:hover{background-color:#218838}.explain-button:disabled{background-color:#6c757d;cursor:not-allowed}.explanations-container{margin-top:15px}.explanations-container h4{margin-bottom:10px;color:#333;font-size:1rem}.explanation-box{background-color:#fff;border:1px solid #ddd;border-radius:4px;padding:15px;margin-bottom:10px;position:relative}.delete-explanation-button{position:absolute;top:10px;right:10px;background-color:transparent;color:#999;border:none;border-radius:4px;padding:6px 8px;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s,color .2s}.explanation-box:hover .delete-explanation-button{opacity:1}.delete-explanation-button:hover{color:var(--color-danger)}.explanation-error{background-color:var(--error-bg);border:1px solid var(--error-border);color:var(--error-text);padding:10px 15px;border-radius:4px;margin-top:10px;display:flex;align-items:center;gap:10px}.retry-button{padding:4px 12px;background-color:var(--color-danger);color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.8125rem}.retry-button:hover{background-color:var(--color-danger-hover)}.document-uploader-container{max-width:600px;margin:0 auto;padding:20px}.form-group{margin-bottom:10px}.form-label{display:block;font-weight:700}.form-input,.form-textarea{width:100%;padding:8px}.upload-button{padding:10px 20px;background-color:#007bff;color:#fff;border:none;cursor:pointer;font-weight:700}.upload-button:disabled{background-color:#ccc;cursor:not-allowed}.message{margin-top:10px;color:green;font-weight:700}.google-sign-in-button{width:100%;display:flex;justify-content:center;gap:12px;padding:12px;border:1px solid var(--color-border-muted);border-radius:4px;background:var(--color-surface);cursor:pointer}.google-sign-in-button:hover{background:var(--color-surface-muted);border-color:var(--color-border-hover)}.google-sign-in-button:focus-visible{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-ring)}.google-sign-in-button__icon{flex-shrink:0;font-size:20px}.login-form{max-width:400px;margin:32px auto;padding:32px;border:1px solid var(--color-border);border-radius:8px;background:var(--color-surface);box-shadow:var(--shadow-card)}.login-form h2{margin:0 0 24px;color:var(--color-text);text-align:center}.auth-divider{display:flex;align-items:center;margin:24px 0;color:var(--color-text-muted);font-size:14px;text-transform:uppercase;letter-spacing:.08em}.auth-divider:before,.auth-divider:after{content:"";flex:1;border-top:1px solid var(--color-border)}.auth-divider span{padding:0 12px}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:4px;font-weight:500;color:var(--color-text-subtle)}.form-group input{width:100%;padding:8px;border:1px solid var(--color-border-strong);border-radius:4px;font-size:16px;transition:border-color .3s}.form-group input:focus{outline:none;border-color:var(--color-primary)}button[type=submit]{width:100%;padding:12px;background:var(--color-primary);color:var(--color-surface);border:none;border-radius:4px;font-size:16px;font-weight:500;cursor:pointer;transition:background-color .3s}button[type=submit]:hover:not(:disabled){background:var(--color-primary-hover)}.auth-link{text-align:center;margin-top:16px;color:var(--color-text-muted)}.auth-link a{color:var(--color-primary);text-decoration:none}.auth-link a:hover{text-decoration:underline}.form-error{margin:0 0 16px;padding:12px;border-radius:4px;background:var(--error-bg);color:var(--error-text);border:1px solid var(--error-border)}.provider-callback__message{margin:0;color:var(--color-text-muted);text-align:center}.logout-button{padding:8px 16px;background:var(--color-danger);color:var(--color-surface);border:none;border-radius:4px;font-size:var(--font-size-sm);font-weight:500;cursor:pointer;transition:background-color .3s}.logout-button:hover{background:var(--color-danger-hover)}.logout-button:focus{outline:2px solid var(--color-danger);outline-offset:2px}.layout{min-height:100vh;display:flex;flex-direction:column}.layout-header{background:#f8f9fa;border-bottom:1px solid #dee2e6;padding:0 20px}.header-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;height:64px}.header-content h1{margin:0;color:#333;font-size:1.5rem}.header-nav{display:flex;align-items:center;gap:20px}.nav-link{text-decoration:none;color:#666;font-weight:500;padding:8px 16px;border-radius:4px;transition:background-color .2s}.nav-link:hover{background-color:#e9ecef;color:#333}.nav-link.active{background-color:#007bff;color:#fff}.layout-main{flex:1;padding:20px;max-width:1200px;margin:0 auto;width:100%;box-sizing:border-box}.app{min-height:100vh;background-color:var(--color-page);width:100%}