*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'IBM Plex Mono',monospace;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;min-height:100vh}
a{color:var(--accent-light);text-decoration:none;transition:color .3s ease}
a:hover{color:var(--accent)}
::selection{background:var(--accent);color:var(--bg-primary)}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg-secondary)}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:3px}
.floating-controls{position:fixed;top:1.5rem;right:2rem;z-index:100;display:flex;align-items:center;gap:.5rem}
.icon-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;cursor:pointer;color:var(--text-secondary);transition:all .3s ease;padding:0}
.icon-btn svg{width:16px;height:16px}
.icon-btn:hover{border-color:var(--accent);color:var(--text-primary);box-shadow:0 0 15px var(--accent-glow)}
.sound-toggle .icon-sound-off{display:none}
.sound-toggle.sound-off .icon-sound-on{display:none}
.sound-toggle.sound-off .icon-sound-off{display:block}
.theme-picker{position:relative}
.theme-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:.5rem;min-width:160px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s ease;box-shadow:0 10px 40px var(--shadow);z-index:200}
.theme-dropdown.open{opacity:1;visibility:visible;transform:translateY(0)}
.theme-option{display:block;padding:.6rem .75rem;border-radius:8px;cursor:pointer;transition:all .2s ease;font-size:.8rem;color:var(--text-secondary)}
.theme-option:hover,.theme-option.active{background:var(--bg-tertiary);color:var(--text-primary)}
.main{min-height:100vh}
.page{display:none;min-height:100vh;opacity:0;transform:translateY(20px);transition:opacity .4s ease,transform .4s ease}
.page.active{display:block}
.page.visible{opacity:1;transform:translateY(0)}
.home-header{text-align:center;padding-top:5rem;padding-bottom:3rem}
.home-header h1{font-size:clamp(2.5rem,7vw,6rem);font-weight:700;letter-spacing:-3px;color:var(--text-primary);line-height:1}
.home-header h1 span{color:#4a4a4a}
.home-nav{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - 300px);padding:2rem}
.home-nav-list{list-style:none;text-align:center}
.home-nav-list li{margin:.8rem 0}
.home-nav-list a{font-size:clamp(1.4rem,3.5vw,2.2rem);font-weight:600;color:var(--text-secondary);letter-spacing:-.5px;transition:all .3s ease;position:relative;display:inline-block}
.home-nav-list a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--accent);transition:width .3s ease}
.home-nav-list a:hover{color:var(--text-primary)}
.home-nav-list a:hover::after{width:100%}
.section{min-height:100vh;padding:4rem 6rem;display:flex;flex-direction:column;align-items:center;justify-content:center}
.section-inner{width:85%;max-width:1400px;margin:0 auto}
.section-header{text-align:center;margin-bottom:2rem}
.section-header h2{font-size:2rem;font-weight:700;letter-spacing:-1px;margin-bottom:.5rem}
.section-header p{color:var(--text-secondary);font-size:.95rem}
.back-link{display:flex;align-items:center;justify-content:center;gap:.4rem;font-size:.85rem;color:var(--text-muted);margin:0 auto 2rem;text-align:center;transition:all .3s ease;width:fit-content}
.back-link:hover{color:var(--accent-light)}
.contact-section{text-align:center}
.contact-links{display:flex;flex-direction:column;gap:1rem;max-width:400px;margin:2rem auto 0}
.contact-link{display:flex;align-items:center;gap:1rem;padding:1rem 1.5rem;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;color:var(--text-primary);font-size:.9rem;transition:all .3s ease}
.contact-link:hover{border-color:var(--accent);transform:translateX(5px);box-shadow:0 5px 20px var(--accent-glow)}
.contact-link .icon{width:40px;height:40px;border-radius:10px;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent-light)}
.contact-link .icon svg{width:18px;height:18px}
.tools-layout{display:flex;min-height:100vh;padding:5rem 3rem 3rem;gap:4rem;position:relative}
.tools-back-link{position:absolute;top:1.5rem;left:50%;transform:translateX(-50%);margin-bottom:0;z-index:10}
.tools-list{list-style:none;display:flex;flex-direction:column;gap:.25rem;padding-top:1rem}
.tools-list-item{display:flex;align-items:center;gap:.75rem;padding:.6rem 1rem;cursor:pointer;transition:all .2s ease;color:var(--text-secondary);font-size:.95rem;border-radius:6px;white-space:nowrap}
.tools-list-item:hover{color:var(--text-primary);background:var(--bg-tertiary)}
.tools-list-item.active{color:var(--text-primary);background:var(--bg-tertiary)}
.tools-list-item .arrow{width:0;height:0;border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:7px solid var(--text-muted);flex-shrink:0;transition:all .2s ease}
.tools-list-item:hover .arrow,.tools-list-item.active .arrow{border-left-color:var(--accent)}
.tools-preview{flex:1;display:flex;align-items:flex-start;justify-content:center;padding-top:1rem;overflow-y:auto}
.preview-content{width:100%;max-width:600px}
.preview-placeholder{text-align:center;color:var(--text-muted);font-size:.9rem;padding:4rem 2rem;border:1px dashed var(--border);border-radius:12px}
.preview-panel{animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.preview-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}
.preview-icon{width:48px;height:48px;border-radius:12px;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;color:var(--accent-light);flex-shrink:0}
.preview-icon svg{width:22px;height:22px}
.preview-title{font-size:1.3rem;font-weight:700;letter-spacing:-.5px}
.preview-description{color:var(--text-secondary);font-size:.95rem;line-height:1.7;margin-bottom:2rem}
.preview-coming-soon{padding:1.5rem;background:var(--bg-tertiary);border-radius:12px;border:1px dashed var(--border);text-align:center;color:var(--text-muted);font-size:.85rem}
.tool-page{min-height:100vh;padding:5rem 3rem 3rem;position:relative}
.tool-page-header{display:flex;align-items:center;justify-content:center;gap:1.5rem;margin-bottom:3rem}
.tool-back-link{font-size:.85rem;color:var(--text-muted);transition:all .3s ease}
.tool-back-link:hover{color:var(--accent-light)}
.tool-home-link{font-size:.85rem;color:var(--text-muted);transition:all .3s ease}
.tool-home-link:hover{color:var(--accent-light)}
.tool-page-content{margin:0 auto;width:85%;max-width:1400px;text-align:left}
.tool-page-content .tool-page-icon{margin-bottom:1.5rem}
.tool-page-content .tool-page-title{text-align:left}
.tool-page-content .tool-page-description{text-align:left}
.tool-page-content-wide{width:95%;max-width:1600px}
.tool-page-icon{width:64px;height:64px;border-radius:16px;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;color:var(--accent-light);margin-bottom:1.5rem}
.tool-page-icon svg{width:28px;height:28px}
.tool-page-title{font-size:2rem;font-weight:700;letter-spacing:-1px;margin-bottom:1rem;line-height:1.2}
.tool-page-description{color:var(--text-secondary);font-size:.95rem;line-height:1.7;margin-bottom:2.5rem}
.tool-section{margin-bottom:1.5rem}
.tool-label{display:block;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:.5rem}
.tool-input{width:100%;min-height:120px;padding:1rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-family:'IBM Plex Mono',monospace;font-size:.85rem;line-height:1.5;resize:vertical;transition:border-color .3s ease}
.tool-input:focus{outline:none;border-color:var(--accent)}
.tool-input::placeholder{color:var(--text-muted)}
.tool-btn-group{display:flex;gap:.5rem;flex-wrap:wrap}
.tool-btn{padding:.6rem 1.2rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);font-family:'IBM Plex Mono',monospace;font-size:.85rem;cursor:pointer;transition:all .2s ease}
.tool-btn:hover{border-color:var(--accent);color:var(--text-primary)}
.tool-btn.active{background:var(--accent);border-color:var(--accent);color:var(--bg-primary)}
.tool-btn-primary{background:var(--accent);border-color:var(--accent);color:var(--bg-primary);font-weight:600}
.tool-btn-primary:hover{background:var(--accent-light);border-color:var(--accent-light);color:var(--bg-primary)}
.drop-zone{width:250px;max-width:100%;border:2px dashed var(--border);border-radius:12px;padding:1.5rem 1rem;text-align:center;cursor:pointer;transition:all .3s ease;position:relative;background:var(--bg-tertiary);margin:0 auto}
.drop-zone:hover,.drop-zone.drag-over{border-color:var(--accent);background:var(--bg-card)}
.drop-zone-icon{width:32px;height:32px;margin:0 auto .5rem;color:var(--text-muted)}
.drop-zone-icon svg{width:100%;height:100%}
.drop-zone-text{font-size:.8rem;color:var(--text-secondary);margin-bottom:.2rem}
.drop-zone-sub{font-size:.7rem;color:var(--text-muted)}
.drop-zone-input{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}
.file-info{margin-top:.75rem;padding:.6rem 1rem;background:var(--bg-card);border-radius:6px;font-size:.8rem;color:var(--text-secondary);display:none}
.file-info.visible{display:block}
.file-info-name{font-weight:600;color:var(--text-primary)}
.file-info-size{color:var(--text-muted);margin-left:.5rem}
.dataset-controls{display:flex;gap:.5rem;margin-bottom:.75rem}
.dataset-table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:8px}
.dataset-table{width:100%;border-collapse:collapse;font-size:.85rem}
.dataset-table th{background:var(--bg-secondary);padding:.6rem .75rem;text-align:left;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border)}
.dataset-table td{padding:.4rem .5rem;border-bottom:1px solid var(--border)}
.dataset-table tr:last-child td{border-bottom:none}
.dataset-table input{width:100%;padding:.4rem .5rem;background:var(--bg-primary);border:1px solid transparent;border-radius:4px;color:var(--text-primary);font-family:'IBM Plex Mono',monospace;font-size:.85rem;transition:border-color .2s ease}
.dataset-table input:focus{outline:none;border-color:var(--accent)}
.dataset-table input::placeholder{color:var(--text-muted)}
.dataset-row-remove{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:none;border:1px solid var(--border);border-radius:4px;color:var(--text-muted);cursor:pointer;font-size:1rem;transition:all .2s ease;padding:0}
.dataset-row-remove:hover{border-color:var(--error);color:var(--error)}
.viz-download-btns{display:flex;gap:.75rem;margin-top:1rem;justify-content:center}
.calc-display{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;text-align:right}
.calc-expression{font-size:.85rem;color:var(--text-muted);min-height:1.2em;margin-bottom:.5rem;word-break:break-all}
.calc-result{font-size:2rem;font-weight:700;color:var(--text-primary);word-break:break-all}
.calc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.35rem}
.calc-btn{padding:.8rem .5rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-family:'IBM Plex Mono',monospace;font-size:.9rem;cursor:pointer;transition:all .15s ease;text-align:center}
.calc-btn:hover{border-color:var(--accent);background:var(--bg-card)}
.calc-btn:active{transform:scale(.95)}
.calc-fn{background:var(--bg-card);color:var(--accent-light);font-size:.78rem}
.calc-num{background:var(--bg-secondary);color:var(--text-primary);font-weight:600}
.calc-op{background:var(--bg-card);color:var(--accent-light);font-weight:600}
.calc-equals{background:var(--accent);border-color:var(--accent);color:var(--bg-primary);font-weight:700}
.calc-equals:hover{background:var(--accent-light);border-color:var(--accent-light);color:var(--bg-primary)}
.conv-select{width:100%;padding:.6rem 1rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-family:'IBM Plex Mono',monospace;font-size:.85rem;cursor:pointer;transition:border-color .3s ease;appearance:auto}
.conv-select:focus{outline:none;border-color:var(--accent)}
.conv-input{width:100%;padding:.6rem 1rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-family:'IBM Plex Mono',monospace;font-size:1rem;transition:border-color .3s ease}
.conv-input:focus{outline:none;border-color:var(--accent)}
.conv-row{display:flex;align-items:flex-end;gap:.75rem;margin-bottom:1rem}
.conv-field{flex:1}
.conv-swap{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);cursor:pointer;transition:all .2s ease;padding:0;margin-bottom:.15rem;flex-shrink:0}
.conv-swap:hover{border-color:var(--accent);color:var(--accent-light)}
.conv-swap svg{width:16px;height:16px}
.conv-result{padding:1rem 1.5rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;font-size:1.2rem;font-weight:600;color:var(--text-primary);word-break:break-all;min-height:3.5rem;display:flex;align-items:center}
.conv-formula{font-size:.8rem;color:var(--text-muted);margin-top:.5rem}
#viz-canvas{width:100%;max-width:600px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:12px;display:block;margin:0 auto}
.calc-history{margin-top:1.5rem;max-height:200px;overflow-y:auto;border:1px solid var(--border);border-radius:8px;padding:.75rem}
.calc-history-title{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:.5rem}
.calc-history-item{padding:.4rem 0;border-bottom:1px solid var(--border);font-size:.8rem}
.calc-history-item:last-child{border-bottom:none}
.calc-history-expr{color:var(--text-muted)}
.calc-history-res{color:var(--text-primary);font-weight:600}
.footer{text-align:center;padding:2rem;border-top:1px solid var(--border);color:var(--text-muted);font-size:.8rem}
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeInDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(40px);transition:all .8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media(max-width:768px){
  .floating-controls{top:1rem;right:1rem}
  .section{padding:3rem 1.25rem}
  .home-header{padding-top:4rem}
  .tools-layout{flex-direction:column;padding:4rem 1.5rem 2rem;gap:2rem}
  .tools-back-link{top:1rem;left:1rem}
  .tools-list{padding-top:0}
  .tools-preview{padding-top:0}
  .calc-grid{grid-template-columns:repeat(5,1fr);gap:.3rem}
  .calc-btn{padding:.6rem .3rem;font-size:.8rem}
  .calc-fn{font-size:.7rem}
  .drop-zone{width:100%}
  .tool-page-content{max-width:100%}
}

.stat-table{width:100%;border-collapse:collapse;font-size:.8rem;margin-bottom:1rem}
.stat-table th{background:var(--bg-secondary);padding:.5rem .6rem;text-align:left;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border:1px solid var(--border)}
.stat-table td{padding:.45rem .6rem;border:1px solid var(--border);color:var(--text-secondary)}
.stat-table tr:nth-child(even) td{background:var(--bg-tertiary)}
.stat-table-sm td,.stat-table-sm th{padding:.35rem .5rem;font-size:.75rem}
.stat-results{display:flex;flex-direction:column;gap:.5rem}
.stat-result-item{display:flex;justify-content:space-between;align-items:center;padding:.5rem .75rem;background:var(--bg-tertiary);border-radius:6px;border:1px solid var(--border)}
.stat-result-label{font-size:.75rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.stat-result-value{font-size:.85rem;color:var(--text-primary);font-weight:600}
.stat-histogram{margin-bottom:1.5rem}
.stat-bar-row{display:flex;align-items:center;gap:.5rem;margin-bottom:.25rem}
.stat-bar-label{font-size:.65rem;color:var(--text-muted);min-width:70px;text-align:right;white-space:nowrap}
.stat-bar-track{flex:1;height:18px;background:var(--bg-tertiary);border-radius:3px;overflow:hidden}
.stat-bar-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .3s ease;min-width:2px}
.stat-bar-val{font-size:.7rem;color:var(--text-secondary);min-width:20px;text-align:left}
.section-inner-center{text-align:center}
.section-inner-center .section-header{text-align:center}
.back-link-above{display:inline-block;margin:0 auto 1.5rem;text-align:center}
.explore-icon{width:64px;height:64px;margin:0 auto 1.5rem;border-radius:16px;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;color:var(--accent-light)}
.explore-icon svg{width:28px;height:28px}
.explore-soon-title{font-size:1.5rem;font-weight:700;letter-spacing:-.5px;margin-bottom:.5rem;color:var(--text-primary)}
.explore-soon-text{color:var(--text-secondary);font-size:.9rem;margin-bottom:2rem}
.explore-countdown{display:flex;align-items:center;justify-content:center;gap:.5rem;margin-bottom:2rem}
.countdown-item{display:flex;flex-direction:column;align-items:center;min-width:60px}
.countdown-value{font-size:2rem;font-weight:700;color:var(--accent-light);line-height:1.1}
.countdown-label{font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-top:.25rem}
.countdown-sep{font-size:1.5rem;font-weight:700;color:var(--text-muted);align-self:flex-start;margin-top:.1rem}
.explore-launch-date{font-size:.8rem;color:var(--text-muted)}
.pt-cols-wrap{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}
.pt-col-btn{padding:.4rem .8rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);font-size:.8rem;cursor:grab;transition:all .2s ease}
.pt-col-btn:hover{border-color:var(--accent);color:var(--text-primary)}
.pt-col-btn-selected{border-color:var(--accent);background:var(--accent);color:var(--bg-primary)}
.pt-dropzones{display:flex;gap:1rem;margin-top:.5rem}
.pt-dropzone{flex:1;min-height:60px;border:2px dashed var(--border);border-radius:8px;padding:.75rem;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:all .2s ease}
.pt-dropzone.pt-drop-hover{border-color:var(--accent);background:var(--bg-tertiary)}
.pt-dropzone-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}
.pt-error-toast{position:fixed;top:1.5rem;right:5rem;z-index:9999;display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:var(--bg-card);border:1px solid var(--error);border-radius:8px;color:var(--error);font-size:.8rem;box-shadow:0 4px 20px rgba(0,0,0,0.3);opacity:0;transform:translateY(-10px);transition:all .3s ease;pointer-events:none;max-width:350px}
.pt-error-toast.pt-toast-in{opacity:1;transform:translateY(0)}
.pt-error-toast.pt-toast-out{opacity:0;transform:translateY(-10px)}
.pt-error-toast svg{width:16px;height:16px;flex-shrink:0}
.pt-col-tag{display:inline-flex;align-items:center;gap:4px;padding:.3rem .6rem;background:var(--accent);color:var(--bg-primary);border-radius:4px;font-size:.8rem;font-weight:600;cursor:pointer}
.pt-tag-x{width:10px;height:10px;flex-shrink:0}
.pt-drop-icon{width:14px;height:14px;display:inline-block;vertical-align:middle;margin-right:4px}
.dg-col-row{display:flex;gap:.5rem;align-items:center;margin-bottom:.5rem;flex-wrap:wrap}
.dg-col-name,.dg-col-type,.dg-col-opts{min-height:36px}
.dg-col-del svg{width:14px;height:14px}
.ai-insights-list{display:flex;flex-direction:column;gap:.75rem}
.ai-insight-card{display:flex;gap:.75rem;padding:.75rem;background:var(--bg-card);border:1px solid var(--border);border-radius:8px}
.ai-insight-warn{border-left:3px solid var(--error)}
.ai-insight-ok{border-left:3px solid #4ade80}
.ai-insight-corr{border-left:3px solid var(--accent)}
.ai-insight-info{border-left:3px solid var(--text-muted)}
.ai-insight-icon{font-size:0;flex-shrink:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary)}
.ai-insight-icon svg{width:18px;height:18px}
.ai-insight-warn .ai-insight-icon{color:var(--error)}
.ai-insight-ok .ai-insight-icon{color:#4ade80}
.ai-insight-corr .ai-insight-icon{color:var(--accent)}
.ai-insight-title{font-size:.85rem;font-weight:600;color:var(--text-primary);margin-bottom:.2rem}
.ai-insight-text{font-size:.8rem;color:var(--text-secondary);line-height:1.5}
.ml-progress-bar{width:100%;height:8px;background:var(--bg-tertiary);border-radius:4px;overflow:hidden;margin-top:.5rem}
.ml-progress-fill{height:100%;background:var(--accent);border-radius:4px;transition:width .3s ease;width:0%}
.ml-slider-row{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}
.ml-slider-label{font-size:.8rem;color:var(--text-secondary);min-width:120px}
.ml-slider{flex:1;accent-color:var(--accent)}
.ml-slider-val{font-size:.8rem;color:var(--text-primary);min-width:60px;text-align:right;font-weight:600}
.ml-prediction-result{margin-top:1rem;padding:1rem;background:var(--bg-tertiary);border-radius:8px;text-align:center}
.ml-pred-label{font-size:.8rem;color:var(--text-muted);display:block;margin-bottom:.25rem}
.ml-pred-value{font-size:1.5rem;font-weight:700;color:var(--accent-light)}
.dict-search-row{display:flex;gap:.5rem;max-width:700px;margin:0 auto}
.dict-input{flex:1;padding:.7rem 1rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-family:'IBM Plex Mono',monospace;font-size:.95rem;transition:border-color .3s ease}
.dict-input:focus{outline:none;border-color:var(--accent)}
.dict-search-btn{display:flex;align-items:center;gap:.4rem;padding:.7rem 1.2rem}
.dict-categories{display:flex;gap:.5rem;justify-content:center;margin-top:1rem;flex-wrap:wrap}
.dict-cat-btn{display:flex;align-items:center;gap:.4rem;padding:.4rem .8rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);font-size:.75rem;cursor:pointer;transition:all .2s ease}
.dict-cat-btn:hover{border-color:var(--accent);color:var(--text-primary)}
.dict-cat-btn.active{background:var(--accent);border-color:var(--accent);color:var(--bg-primary)}
.dict-cat-btn svg{width:13px;height:13px}
.dict-loading{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:1rem;color:var(--text-secondary);font-size:.85rem}
.dict-spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:dict-spin .6s linear infinite}
@keyframes dict-spin{to{transform:rotate(360deg)}}
.dict-error-msg{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:rgba(239,68,68,0.1);border:1px solid var(--error);border-radius:8px;color:var(--error);font-size:.85rem}
.dict-error-msg svg{width:16px;height:16px;flex-shrink:0}
.dict-word-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.25rem}
.dict-word{font-size:1.8rem;font-weight:700;color:var(--text-primary);margin:0}
.dict-phonetic{font-size:.9rem;color:var(--accent-light);margin-bottom:1rem}
.dict-audio-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;cursor:pointer;color:var(--text-secondary);transition:all .2s ease;flex-shrink:0}
.dict-audio-btn:hover{border-color:var(--accent);color:var(--accent-light)}
.dict-audio-btn svg{width:16px;height:16px}
.dict-meaning{margin-bottom:1.25rem;padding-bottom:1.25rem;border-bottom:1px solid var(--border)}
.dict-meaning:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.dict-pos{display:inline-block;padding:.2rem .6rem;background:var(--accent);color:var(--bg-primary);border-radius:4px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:.5rem}
.dict-def-list{list-style:decimal;padding-left:1.25rem;margin:0}
.dict-def-item{font-size:.85rem;color:var(--text-secondary);line-height:1.6;margin-bottom:.35rem}
.dict-def-text{color:var(--text-primary)}
.dict-example{display:block;font-size:.8rem;color:var(--text-muted);font-style:italic;margin-top:.15rem}
.dict-relations{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin-top:.5rem}
.dict-rel-label{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted)}
.dict-tag{padding:.2rem .5rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:4px;color:var(--text-secondary);font-size:.75rem;cursor:pointer;transition:all .2s ease}
.dict-tag:hover{border-color:var(--accent);color:var(--accent-light)}
.dict-tag-ant:hover{border-color:var(--error);color:var(--error)}
.dict-sources{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin-top:1rem;padding-top:.75rem;border-top:1px solid var(--border)}
.dict-source-link{font-size:.75rem;color:var(--accent-light);word-break:break-all}
.dict-source-link:hover{text-decoration:underline}
.dict-gbif-entry{margin-bottom:.75rem;padding:.6rem;background:var(--bg-tertiary);border-radius:6px}
.dict-gbif-name{font-size:1rem;font-weight:700;color:var(--text-primary);font-style:italic}
.dict-gbif-info{font-size:.75rem;color:var(--text-secondary);margin-top:.25rem;line-height:1.5}
.dict-gbif-common{font-size:.75rem;color:var(--accent-light);margin-top:.15rem}
.dict-urban-section{border-left:3px solid #f59e0b;padding-left:1rem}
.dict-votes{display:block;font-size:.7rem;color:var(--text-muted);margin-top:.25rem;font-family:'IBM Plex Mono',monospace}
@media(max-width:768px){
  .explore-countdown{gap:.25rem}
  .countdown-item{min-width:44px}
  .countdown-value{font-size:1.4rem}
  .countdown-sep{font-size:1.1rem}
  .dict-search-row{flex-direction:column}
.dict-word{font-size:1.4rem}
}
.calc-mode-btn{padding:.4rem .8rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:4px;color:var(--text-secondary);font-size:.75rem;cursor:pointer;transition:all .2s ease}
.calc-mode-btn.active{background:var(--accent);border-color:var(--accent);color:var(--bg-primary)}