:root{--color-text-primary: #000000;--color-text-secondary: #757575;--color-text-tertiary: #999999;--color-background: #FFFFFF;--color-background-secondary: #F5F5F5;--color-border: #DDDDDD;--color-border-light: #ECECEC;--color-input-border: #CCCCCC;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 3rem;--spacing-xl: 4rem;--spacing-2xl: 6rem;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1.125rem;--font-size-lg: 1.5rem;--font-size-xl: 2rem;--font-size-2xl: 3rem;--line-height-tight: 1.2;--line-height-normal: 1.5;--line-height-relaxed: 1.7;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-black: 900;--max-width-narrow: 720px;--max-width-medium: 1000px;--max-width-wide: 1400px;--border-radius: 0;--transition-speed: .2s}*,*:before,*:after{box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;padding:0;font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-relaxed);color:var(--color-text-primary);background-color:var(--color-background)}h1,h2,h3,h4,h5,h6{margin:0;font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);color:var(--color-text-primary)}h1{font-size:clamp(2rem,5vw,4rem);font-weight:var(--font-weight-black);margin-bottom:var(--spacing-md)}h2{font-size:clamp(1.75rem,4vw,3rem);margin-bottom:var(--spacing-md)}h3{font-size:var(--font-size-xl);margin-bottom:var(--spacing-sm)}h4{font-size:var(--font-size-lg);margin-bottom:var(--spacing-sm)}p{margin:0 0 var(--spacing-sm) 0;color:var(--color-text-primary)}a{color:var(--color-text-primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;transition:opacity 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var(--color-input-border);background-color:var(--color-background);color:var(--color-text-primary);border-radius:var(--border-radius);transition:border-color var(--transition-speed)}input:focus,textarea:focus,select:focus{outline:none;border:2px solid var(--color-text-primary);padding:calc(.75rem - 1px) calc(1rem - 1px)}textarea{resize:vertical;font-family:var(--font-family)}.container{width:100%;max-width:var(--max-width-wide);margin:0 auto;padding:0 var(--spacing-md)}.container-narrow{max-width:var(--max-width-narrow)}.container-medium{max-width:var(--max-width-medium)}.text-center{text-align:center}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.loading{text-align:center;padding:var(--spacing-xl);color:var(--color-text-secondary);font-size:var(--font-size-lg)}@media(max-width:768px){:root{--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-2xl: 4rem}.container{padding:0 var(--spacing-sm)}body{font-size:1rem}}#root{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--color-background);border-bottom:1px solid var(--color-border);padding:var(--spacing-md) 0;position:sticky;top:0;z-index:100}.header 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a{font-size:var(--font-size-sm)}}.footer{border-top:1px solid var(--color-border);padding:var(--spacing-lg) 0;margin-top:auto;background:var(--color-background)}.footer p{text-align:center;margin:0;color:var(--color-text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.footer a{color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-speed)}.footer a:hover{color:var(--color-text-primary);text-decoration:underline}@media(max-width:768px){.footer p{font-size:var(--font-size-xs);padding:0 var(--spacing-md)}}.app-layout{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding:var(--spacing-xl) 0;background:var(--color-background)}.layout-centered .main-content{display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg) 0}.layout-wide .main-content{max-width:none}.layout-wide .main-content .container{max-width:var(--max-width-wide)}.layout-admin{flex-direction:row;flex-wrap:wrap}.layout-admin .header{width:100%}.layout-admin .main-content{flex:1;padding:var(--spacing-lg)}.layout-admin .footer{width:100%}.layout-narrow .main-content .container{max-width:var(--max-width-narrow)}.content-wrapper{width:100%;max-width:var(--max-width-wide);margin:0 auto;padding:0 var(--spacing-md)}.app-layout .footer{margin-top:auto}.breadcrumb-area{padding:var(--spacing-sm) 0;border-bottom:1px solid var(--color-border-light);margin-bottom:var(--spacing-md)}.breadcrumb{display:flex;align-items:center;gap:var(--spacing-xs);font-size:var(--font-size-sm);color:var(--color-text-secondary)}.breadcrumb a{color:var(--color-text-secondary);text-decoration:none}.breadcrumb a:hover{color:var(--color-text-primary)}.breadcrumb-separator{color:var(--color-text-tertiary)}.page-enter{opacity:0;transform:translateY(10px)}.page-enter-active{opacity:1;transform:translateY(0);transition:opacity .3s ease,transform .3s ease}@media(max-width:768px){.main-content{padding:var(--spacing-md) 0}.layout-admin{flex-direction:column}.layout-centered .main-content{padding:var(--spacing-md) 0}}.article-card{background:var(--color-background);border-bottom:1px solid var(--color-border-light);padding:var(--spacing-xl) 0;transition:opacity var(--transition-speed)}.article-card:hover{opacity:.8}.article-card:last-child{border-bottom:none}.article-link{text-decoration:none;color:inherit;display:block}.article-title{margin:0 0 var(--spacing-sm) 0;font-size:clamp(1.5rem,3vw,2.5rem);font-weight:var(--font-weight-black);color:var(--color-text-primary);line-height:var(--line-height-tight);letter-spacing:-.02em}.article-summary{color:var(--color-text-secondary);line-height:var(--line-height-relaxed);margin:0 0 var(--spacing-md) 0;font-size:var(--font-size-base)}.article-meta{display:flex;gap:var(--spacing-md);font-size:var(--font-size-sm);color:var(--color-text-tertiary);margin-bottom:var(--spacing-sm);flex-wrap:wrap}.article-date{font-weight:var(--font-weight-medium)}.article-categories{color:var(--color-text-primary);font-weight:var(--font-weight-medium)}.article-views{color:var(--color-text-tertiary)}.article-tags{display:flex;gap:var(--spacing-sm);flex-wrap:wrap}.tag{background:transparent;color:var(--color-text-primary);border:1px solid var(--color-border);padding:.25rem .75rem;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);transition:all var(--transition-speed)}.tag:hover{background:var(--color-text-primary);color:var(--color-background);border-color:var(--color-text-primary)}@media(max-width:768px){.article-card{padding:var(--spacing-md) 0}.article-meta{gap:var(--spacing-sm)}}@keyframes skeleton-loading{0%{background-position:-200px 0}to{background-position:calc(200px + 100%) 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var(--color-border-light)}.article-skeleton:last-child{border-bottom:none}.article-detail-skeleton{padding:var(--spacing-xl) 0}.skeleton-content{margin-top:var(--spacing-lg)}.skeleton-content .skeleton-text{margin-bottom:1em}@media(max-width:768px){.skeleton-title{width:80%}.skeleton-image{height:150px}}.table-skeleton{border:1px solid var(--color-border);overflow:hidden}.skeleton-table-header{display:flex;gap:1px;background:var(--color-background-secondary);padding:var(--spacing-sm);border-bottom:1px solid var(--color-border)}.skeleton-cell-header{flex:1;height:1.25rem}.skeleton-table-row{display:flex;gap:1px;padding:var(--spacing-sm);border-bottom:1px solid var(--color-border-light)}.skeleton-table-row:last-child{border-bottom:none}.skeleton-cell{flex:1;height:1rem}.settings-skeleton{max-width:600px}.settings-skeleton-group{margin-bottom:var(--spacing-md)}.settings-skeleton-group .skeleton-text{margin-bottom:var(--spacing-xs)}.skeleton-input{height:48px;width:100%}.skeleton-textarea{height:120px;width:100%}.article-list{max-width:var(--max-width-medium);margin:0 auto}.article-list .loading,.article-list .no-articles{padding:var(--spacing-2xl);text-align:center;color:var(--color-text-secondary);font-size:var(--font-size-lg)}.home-page{min-height:60vh}.home-page .container{max-width:var(--max-width-medium)}.pagination{display:flex;justify-content:center;align-items:center;gap:var(--spacing-md);margin:var(--spacing-xl) 0;padding-top:var(--spacing-lg);border-top:1px solid var(--color-border-light)}.pagination button{background:transparent;border:1px solid var(--color-text-primary);color:var(--color-text-primary);padding:.75rem 1.5rem;font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--transition-speed)}.pagination button:hover:not(:disabled){background:var(--color-text-primary);color:var(--color-background)}.pagination button:disabled{opacity:.3;cursor:not-allowed;border-color:var(--color-border);color:var(--color-text-tertiary)}.page-info{color:var(--color-text-secondary);font-weight:var(--font-weight-medium);font-size:var(--font-size-base)}@media(max-width:768px){.pagination{gap:var(--spacing-sm)}.pagination button{padding:.5rem 1rem;font-size:var(--font-size-sm)}}.markdown-content{color:var(--color-text-primary);line-height:1.8;font-size:var(--font-size-base);word-wrap:break-word}.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content h4,.markdown-content h5,.markdown-content h6{margin:2em 0 1em;font-weight:700;line-height:1.3;color:var(--color-text-primary);letter-spacing:-.02em}.markdown-content h1{font-size:2.25rem;border-bottom:2px solid var(--color-border-light);padding-bottom:.3em}.markdown-content h2{font-size:1.8rem;padding-bottom:.3em;border-bottom:1px solid var(--color-border-light)}.markdown-content h3{font-size:1.5rem}.markdown-content h4{font-size:1.25rem}.markdown-content p{margin-bottom:1.5em;line-height:1.8}.markdown-content a{color:var(--color-primary);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s}.markdown-content a:hover{border-bottom-color:var(--color-primary);opacity:.9}.markdown-content ul,.markdown-content ol{margin-bottom:1.5em;padding-left:1.5em}.markdown-content li{margin:.5em 0}.markdown-content li>p{margin-bottom:.5em}.markdown-content blockquote{margin:1.5em 0;padding:1em 1.5em;background:var(--color-background-secondary);border-left:4px solid var(--color-primary);border-radius:4px;color:#555;font-style:italic}.markdown-content blockquote p:last-child{margin-bottom:0}.markdown-content code{background:#afb8c133;padding:.2em .4em;border-radius:6px;font-family:JetBrains Mono,Fira Code,monospace;font-size:.85em;color:#d12c56}.markdown-content pre{border-radius:8px;margin:1.5em 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h2{font-size:1.5rem}}.comment-list{background:var(--color-background);padding:var(--spacing-lg) 0;margin-top:var(--spacing-xl);border-top:1px solid var(--color-border-light)}.comment-list h3{margin:0 0 var(--spacing-lg) 0;font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.comment-item{padding:var(--spacing-md) 0;border-bottom:1px solid var(--color-border-light);position:relative}.comment-item:last-child{border-bottom:none}.comment-header{display:flex;justify-content:space-between;margin-bottom:var(--spacing-xs);align-items:baseline}.comment-author{font-weight:var(--font-weight-bold);color:var(--color-text-primary);font-size:var(--font-size-base)}.comment-date{color:var(--color-text-tertiary);font-size:var(--font-size-sm)}.comment-content{color:var(--color-text-primary);line-height:var(--line-height-relaxed);margin:0 0 var(--spacing-sm) 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2rem;font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--transition-speed)}.comment-form button:hover:not(:disabled){background:#333;border-color:#333}.comment-form button:disabled{opacity:.5;cursor:not-allowed}.confirm-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:10000;animation:fadeIn .2s ease-out}.confirm-modal{background:#fff;width:90%;max-width:400px;border-radius:12px;box-shadow:0 8px 30px #0003;overflow:hidden;animation:scaleIn .2s ease-out;display:flex;flex-direction:column}.confirm-header{padding:20px 24px 10px}.confirm-header h3{margin:0;font-size:18px;font-weight:600;color:#333}.confirm-body{padding:0 24px 24px;color:#666;font-size:15px;line-height:1.6}.confirm-footer{padding:16px 24px;background-color:#f9fafb;display:flex;justify-content:flex-end;gap:12px;border-top:1px solid #f0f0f0}.confirm-footer button{padding:8px 16px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;border:none}.btn-cancel{background-color:#fff;color:#666;border:1px solid #d9d9d9!important}.btn-cancel:hover{color:#40a9ff;border-color:#40a9ff!important}.btn-confirm{background-color:#1890ff;color:#fff}.btn-confirm:hover{background-color:#40a9ff}.confirm-danger .btn-confirm{background-color:#ff4d4f}.confirm-danger .btn-confirm:hover{background-color:#ff7875}.confirm-danger .confirm-header h3{color:#ff4d4f}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.article-detail-page{min-height:60vh}.article-detail-page .container{max-width:var(--max-width-medium)}.article-content{background:var(--color-background);padding:0}.article-title{font-size:clamp(2.5rem,6vw,4.5rem);margin:0 0 var(--spacing-lg) 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.container{max-width:var(--max-width-wide)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--color-border-light)}.page-header h2{margin:0;font-size:clamp(2rem,4vw,3rem);font-weight:var(--font-weight-black);color:var(--color-text-primary);letter-spacing:-.02em}.new-article-btn{background:var(--color-text-primary);color:var(--color-background);border:2px solid var(--color-text-primary);padding:.75rem 1.5rem;font-size:var(--font-size-base);font-weight:var(--font-weight-bold);text-decoration:none;transition:all var(--transition-speed);display:inline-block}.new-article-btn:hover{background:#333;border-color:#333;opacity:1}.filter-buttons{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--color-border-light)}.filter-buttons button{background:transparent;color:var(--color-text-secondary);border:1px solid var(--color-border);padding:.5rem 1.25rem;font-size:var(--font-size-base);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-speed)}.filter-buttons button:hover{background:var(--color-background-secondary);color:var(--color-text-primary)}.filter-buttons button.active{background:var(--color-text-primary);color:var(--color-background);border-color:var(--color-text-primary)}.no-articles{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-secondary);font-size:var(--font-size-lg)}.article-table{overflow-x:auto;border:1px solid var(--color-border)}.article-table table{width:100%;border-collapse:collapse;background:var(--color-background)}.article-table thead{background:var(--color-background-secondary);border-bottom:2px solid var(--color-border)}.article-table th{padding:var(--spacing-md);text-align:left;font-weight:var(--font-weight-bold);color:var(--color-text-primary);font-size:var(--font-size-base)}.article-table td{padding:var(--spacing-md);border-bottom:1px solid var(--color-border-light);color:var(--color-text-primary);font-size:var(--font-size-base)}.article-table tbody tr:hover{background:var(--color-background-secondary)}.article-table tbody tr:last-child td{border-bottom:none}.title-cell{max-width:400px}.title-cell a{color:var(--color-text-primary);text-decoration:none;font-weight:var(--font-weight-semibold);transition:opacity var(--transition-speed)}.title-cell a:hover{opacity:.7}.status-badge{display:inline-block;padding:.25rem .75rem;font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);border:1px solid var(--color-border);color:var(--color-text-secondary)}.status-badge.published{background:var(--color-text-primary);color:var(--color-background);border-color:var(--color-text-primary)}.status-badge.draft{background:transparent;color:var(--color-text-tertiary);border-color:var(--color-border)}.actions-cell{white-space:nowrap}.actions-cell button{padding:.5rem 1rem;margin-right:var(--spacing-xs);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-speed);border:1px solid var(--color-border)}.edit-btn{background:transparent;color:var(--color-text-primary)}.edit-btn:hover{background:var(--color-text-primary);color:var(--color-background);border-color:var(--color-text-primary)}.delete-btn{background:transparent;color:var(--color-text-secondary)}.delete-btn:hover{background:var(--color-text-primary);color:var(--color-background);border-color:var(--color-text-primary)}@media(max-width:768px){.page-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}.new-article-btn{width:100%;text-align:center}.filter-buttons{flex-wrap:wrap}.article-table{font-size:var(--font-size-sm)}.article-table th,.article-table td{padding:var(--spacing-sm)}.title-cell{max-width:200px}}.settings-page{min-height:60vh}.settings-page .container{max-width:var(--max-width-medium)}.settings-page h2{margin:0 0 var(--spacing-xl) 0;font-size:clamp(2rem,4vw,3rem);font-weight:var(--font-weight-black);color:var(--color-text-primary);letter-spacing:-.02em;padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--color-border-light)}.settings-form,.password-form{background:var(--color-background);padding:var(--spacing-lg);border:1px solid var(--color-border);margin-bottom:var(--spacing-xl)}.setting-section{margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-xl);border-bottom:1px solid var(--color-border-light)}.setting-section:last-of-type{border-bottom:none;margin-bottom:0;padding-bottom:0}.setting-section h3{margin:0 0 var(--spacing-md) 0;font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.form-group input[type=text],.form-group input[type=number],.form-group input[type=password],.form-group textarea{width:100%;padding:.875rem 1rem;border:1px solid var(--color-input-border);background-color:var(--color-background);color:var(--color-text-primary);font-size:var(--font-size-base);font-family:var(--font-family);transition:border-color var(--transition-speed)}.form-group input:focus,.form-group textarea:focus{outline:none;border:2px solid var(--color-text-primary);padding:calc(.875rem - 1px) calc(1rem - 1px)}.form-group textarea{resize:vertical;min-height:100px}.checkbox-group{display:flex;align-items:center}.checkbox-group label{display:flex;align-items:center;margin:0;cursor:pointer;font-weight:var(--font-weight-medium)}.checkbox-group input[type=checkbox]{width:auto;margin-right:var(--spacing-sm);cursor:pointer;width:1.25rem;height:1.25rem}.form-actions{display:flex;gap:var(--spacing-md);justify-content:flex-start;margin-top:var(--spacing-lg);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border-light)}.form-actions button{padding:.875rem 2.5rem;border:2px solid var(--color-text-primary);font-size:var(--font-size-base);font-weight:var(--font-weight-bold);cursor:pointer;transition:all var(--transition-speed)}.form-actions button[type=submit]{background:var(--color-text-primary);color:var(--color-background)}.form-actions button[type=submit]:hover:not(:disabled){background:#333;border-color:#333}.form-actions button[type=submit]:disabled{opacity:.5;cursor:not-allowed}.form-actions button.secondary{background:transparent;color:var(--color-text-primary)}.form-actions button.secondary:hover{background:var(--color-background-secondary)}@media(max-width:768px){.settings-form,.password-form{padding:var(--spacing-md)}.form-actions{flex-direction:column}.form-actions button{width:100%}}.search-page{min-height:60vh}.search-page .container{max-width:var(--max-width-medium)}.search-box{background:var(--color-background);padding:var(--spacing-xl) 0;margin-bottom:var(--spacing-xl);border-bottom:1px solid var(--color-border-light)}.search-box h2{margin:0 0 var(--spacing-lg) 0;font-size:clamp(2rem,4vw,3rem);font-weight:var(--font-weight-black);color:var(--color-text-primary);letter-spacing:-.02em}.search-box form{display:flex;gap:var(--spacing-sm)}.search-input-wrapper{flex:1;position:relative}.search-box input{width:100%;padding:1rem 3rem 1rem 1.5rem;font-size:var(--font-size-lg);border:2px solid var(--color-text-primary);background-color:var(--color-background);color:var(--color-text-primary);transition:border-color var(--transition-speed)}.search-box input:focus{outline:none;border-color:var(--color-text-primary);padding:1rem 3rem 1rem 1.5rem}.search-box input::placeholder{color:var(--color-text-tertiary)}.clear-btn{position:absolute;right:.5rem;top:50%;transform:translateY(-50%);background:transparent;border:none;color:var(--color-text-tertiary);font-size:2rem;line-height:1;cursor:pointer;padding:.5rem;transition:color var(--transition-speed)}.clear-btn:hover{color:var(--color-text-primary)}.search-box button[type=submit]{background:var(--color-text-primary);color:var(--color-background);border:2px solid var(--color-text-primary);padding:1rem 2.5rem;font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);cursor:pointer;transition:all var(--transition-speed);white-space:nowrap}.search-box button[type=submit]:hover:not(:disabled){background:#333;border-color:#333}.search-box button[type=submit]:disabled{opacity:.5;cursor:not-allowed}.search-history{margin-top:var(--spacing-lg);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border-light)}.history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.history-header span{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-secondary)}.clear-history-btn{background:transparent;border:1px solid var(--color-border);color:var(--color-text-secondary);padding:.25rem .75rem;font-size:var(--font-size-sm);cursor:pointer;transition:all var(--transition-speed)}.clear-history-btn:hover{background:var(--color-text-primary);color:var(--color-background);border-color:var(--color-text-primary)}.history-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.history-tag{background:transparent;border:1px solid var(--color-border);color:var(--color-text-primary);padding:.5rem 1rem;font-size:var(--font-size-base);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-speed)}.history-tag:hover{background:var(--color-text-primary);color:var(--color-background);border-color:var(--color-text-primary)}.search-results h3{margin-bottom:var(--spacing-lg);font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.no-results{text-align:center;padding:var(--spacing-2xl)}.no-results p{color:var(--color-text-secondary);font-size:var(--font-size-lg);margin-bottom:var(--spacing-md)}.secondary-btn{background:transparent;color:var(--color-text-primary);border:2px solid var(--color-text-primary);padding:.75rem 2rem;font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--transition-speed)}.secondary-btn:hover{background:var(--color-text-primary);color:var(--color-background)}@media(max-width:768px){.search-box form{flex-direction:column}.search-box button[type=submit]{width:100%}.history-tags{gap:var(--spacing-xs)}.history-tag{font-size:var(--font-size-sm);padding:.375rem .75rem}}.login-page{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl) 0}.login-container{background:var(--color-background);padding:var(--spacing-xl);border:1px solid var(--color-border);width:100%;max-width:480px}.login-container h2{margin:0 0 var(--spacing-lg) 0;color:var(--color-text-primary);text-align:center;font-size:clamp(1.75rem,4vw,2.5rem);font-weight:var(--font-weight-black);letter-spacing:-.02em}.form-group{margin-bottom:var(--spacing-md)}.form-group label{display:block;margin-bottom:var(--spacing-xs);color:var(--color-text-primary);font-weight:var(--font-weight-semibold);font-size:var(--font-size-base)}.form-group input{width:100%;padding:.875rem 1rem;border:1px solid var(--color-input-border);background-color:var(--color-background);color:var(--color-text-primary);font-size:var(--font-size-base);transition:border-color var(--transition-speed)}.form-group input:focus{outline:none;border:2px solid var(--color-text-primary);padding:calc(.875rem - 1px) calc(1rem - 1px)}.login-container button{width:100%;background:var(--color-text-primary);color:var(--color-background);border:2px solid var(--color-text-primary);padding:1rem;font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);cursor:pointer;transition:all var(--transition-speed);margin-top:var(--spacing-sm)}.login-container button:hover:not(:disabled){background:#333;border-color:#333}.login-container button:disabled{opacity:.5;cursor:not-allowed}@media(max-width:768px){.login-container{padding:var(--spacing-lg)}}