:root{color-scheme:light;--bg:#f5f7fb;--surface:#fff;--surface-2:#f8faff;--text:#172033;--muted:#667085;--line:#dde3ee;--brand:#1456d9;--brand-2:#0b3fba;--accent:#12a594;--danger:#c53636;--success:#087a57;--shadow:0 12px 34px rgba(25,43,78,.09);--radius:12px;--header:64px;--sidebar:282px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.6}button,input,textarea,select{font:inherit}button,a{touch-action:manipulation}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.skip-link{position:fixed;left:1rem;top:-5rem;z-index:1000;background:var(--text);color:#fff;padding:.7rem 1rem;border-radius:8px}.skip-link:focus{top:1rem}.noscript{max-width:680px;margin:10vh auto;background:#fff;padding:2rem;border:1px solid var(--line);border-radius:var(--radius)}
[data-theme="dark"]{color-scheme:dark;--bg:#0d1422;--surface:#131d2e;--surface-2:#182439;--text:#ecf2fc;--muted:#9daac0;--line:#2a3850;--brand:#71a3ff;--brand-2:#98bbff;--accent:#43d7c4;--danger:#ff8a8a;--success:#52d7a8;--shadow:0 16px 42px rgba(0,0,0,.28)}
::selection{background:color-mix(in srgb,var(--brand) 24%,transparent)}:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 45%,transparent);outline-offset:2px}svg{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.svg-sprite{position:absolute;width:0;height:0;overflow:hidden}.app-shell{min-height:100vh}.site-header{height:var(--header);position:fixed;z-index:70;inset:0 0 auto 0;display:flex;align-items:center;gap:1.5rem;padding:0 1.2rem;background:color-mix(in srgb,var(--surface) 93%,transparent);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
.brand{display:inline-flex;align-items:center;gap:.7rem;color:var(--text);font-weight:780;font-size:1.15rem;letter-spacing:-.025em}.brand:hover{text-decoration:none}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff}.brand-mark svg{width:22px;height:22px;stroke-width:2}.desktop-nav{display:flex;align-items:center;gap:.2rem;margin-left:1rem}.desktop-nav a{padding:.5rem .7rem;color:var(--muted);font-size:.9rem;font-weight:600;border-radius:7px}.desktop-nav a:hover{background:var(--surface-2);color:var(--text);text-decoration:none}.header-actions{display:flex;align-items:center;gap:.45rem;margin-left:auto}.header-search{min-width:205px;height:38px;border:1px solid var(--line);border-radius:9px;background:var(--surface-2);color:var(--muted);display:flex;align-items:center;gap:.55rem;padding:0 .65rem;cursor:pointer}.header-search span{font-size:.88rem}.header-search kbd,.global-search-box kbd{margin-left:auto;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:.05rem .4rem;background:var(--surface);font-size:.72rem;color:var(--muted)}.icon-button{width:39px;height:39px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--text);display:grid;place-items:center;cursor:pointer}.icon-button:hover{background:var(--surface-2)}.mobile-menu{display:none}
.sidebar{position:fixed;z-index:60;left:0;top:var(--header);bottom:0;width:var(--sidebar);background:var(--surface);border-right:1px solid var(--line);padding:.9rem .8rem 1.2rem;overflow:auto;overscroll-behavior:contain}.sidebar::-webkit-scrollbar{width:7px}.sidebar::-webkit-scrollbar-thumb{background:var(--line);border-radius:10px}.sidebar-mobile-head{display:none}.sidebar-search{position:sticky;top:-.9rem;z-index:2;display:flex;align-items:center;gap:.5rem;padding:.75rem .7rem;margin:0 -.1rem .8rem;background:var(--surface);border-bottom:1px solid var(--line)}.sidebar-search input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:var(--text);font-size:.9rem}.sidebar-search input::placeholder{color:var(--muted)}.sidebar-label{padding:1rem .7rem .4rem;color:var(--muted);font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;font-weight:800}.sidebar details{border-radius:8px;margin:.15rem 0}.sidebar summary{display:flex;align-items:center;gap:.55rem;list-style:none;cursor:pointer;min-height:40px;padding:.45rem .55rem;color:var(--text);font-size:.88rem;font-weight:680;border-radius:8px}.sidebar summary::-webkit-details-marker{display:none}.sidebar summary:hover{background:var(--surface-2)}.sidebar summary>svg:first-child{color:var(--muted)}.sidebar summary small{margin-left:auto;color:var(--muted);font-size:.72rem;font-weight:600}.category-group summary>svg:last-child{transition:transform .18s}.category-group[open] summary>svg:last-child{transform:rotate(90deg)}.sidebar-links{border-left:1px solid var(--line);margin:.1rem 0 .55rem 1.05rem;padding-left:.55rem}.sidebar-tool{display:block;padding:.38rem .6rem;color:var(--muted);font-size:.81rem;line-height:1.35;border-radius:6px}.sidebar-tool:hover{background:var(--surface-2);color:var(--text);text-decoration:none}.sidebar-tool.active{background:color-mix(in srgb,var(--brand) 12%,var(--surface));color:var(--brand);font-weight:700;box-shadow:inset 2px 0 var(--brand)}.sidebar-empty{padding:.4rem .65rem;margin:0;color:var(--muted);font-size:.78rem}.sidebar-foot{display:flex;gap:.6rem;margin:1rem .2rem 0;padding:.8rem;border:1px solid var(--line);border-radius:9px;background:var(--surface-2);color:var(--muted)}.sidebar-foot svg{flex:0 0 auto;color:var(--accent);margin-top:.15rem}.sidebar-foot p{margin:0;font-size:.74rem;line-height:1.45}.sidebar-foot strong{color:var(--text)}.sidebar-results a{display:flex;align-items:center;gap:.5rem;padding:.55rem .65rem;border-radius:7px;color:var(--text);font-size:.82rem}.sidebar-results a:hover{background:var(--surface-2);text-decoration:none}.sidebar-results a small{margin-left:auto;color:var(--muted)}.drawer-backdrop{display:none}
.content-frame{padding-top:var(--header);margin-left:var(--sidebar);min-height:100vh}.main-content{width:min(1120px,calc(100% - 3.5rem));margin:0 auto;padding:2.25rem 0 4.5rem;min-height:calc(100vh - var(--header) - 250px)}h1,h2,h3{line-height:1.15;letter-spacing:-.035em;margin:0;color:var(--text)}h1{font-size:clamp(2.05rem,4vw,3.3rem)}h2{font-size:clamp(1.55rem,2.4vw,2rem)}h3{font-size:1.1rem}p{color:var(--muted)}.eyebrow{display:block;color:var(--brand);font-weight:780;text-transform:uppercase;letter-spacing:.11em;font-size:.7rem;margin-bottom:.45rem}.section-kicker{display:inline-flex;align-items:center;gap:.45rem;color:var(--muted);font-size:.78rem;font-weight:750;text-transform:uppercase;letter-spacing:.09em}.section-kicker i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 15%,transparent)}
.home-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:3rem;align-items:center;padding:2.2rem 0 4rem;border-bottom:1px solid var(--line)}.hero-copy h1{font-size:clamp(2.7rem,5.2vw,4.7rem);margin:.65rem 0 1.1rem;letter-spacing:-.065em}.hero-copy h1 span{color:var(--brand)}.hero-copy>p{font-size:1.08rem;max-width:670px;margin:0 0 1.4rem}.global-search-box{position:relative;display:flex;align-items:center;gap:.7rem;width:100%;max-width:740px;height:56px;padding:0 .95rem;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px rgba(25,43,78,.07)}.global-search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 15%,transparent)}.global-search-box>svg{color:var(--brand);width:20px;height:20px}.global-search-box input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--text);font-size:1rem}.quick-links{display:flex;flex-wrap:wrap;gap:.35rem .75rem;margin-top:.75rem;font-size:.78rem}.quick-links span{color:var(--muted)}.quick-links a{font-weight:650}.search-popover{position:absolute;z-index:50;left:0;right:0;top:calc(100% + .5rem);max-height:430px;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:.4rem}.search-popover a{display:flex;align-items:center;gap:.7rem;padding:.65rem;border-radius:8px;color:var(--text)}.search-popover a:hover{background:var(--surface-2);text-decoration:none}.search-popover a>span:nth-child(2){display:flex;flex-direction:column;min-width:0}.search-popover a strong{font-size:.88rem}.search-popover a small{font-size:.72rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-popover a>svg{margin-left:auto;color:var(--muted)}.search-empty{padding:1rem;color:var(--muted);font-size:.85rem}
.hero-panel{background:linear-gradient(155deg,color-mix(in srgb,var(--brand) 8%,var(--surface)),var(--surface));border:1px solid color-mix(in srgb,var(--brand) 18%,var(--line));border-radius:14px;box-shadow:var(--shadow);overflow:hidden;transform:rotate(1deg)}.hero-panel-head{height:48px;display:flex;align-items:center;gap:.8rem;padding:0 1rem;border-bottom:1px solid var(--line);font-size:.78rem}.window-dots{display:flex;gap:5px}.window-dots i{display:block;width:7px;height:7px;border-radius:50%;background:var(--line)}.window-dots i:first-child{background:#ff7a7a}.window-dots i:nth-child(2){background:#f4b94e}.window-dots i:nth-child(3){background:#55c49a}.online-mark{margin-left:auto;color:var(--success);font-size:.72rem;font-weight:700}.sample-conversion{display:grid;grid-template-columns:1fr auto 1fr;gap:.65rem;align-items:center;padding:2rem 1.2rem 1.5rem}.sample-conversion>div{display:flex;align-items:center;gap:.55rem;min-width:0}.sample-icon{display:grid;place-items:center;flex:0 0 48px;height:48px;border-radius:9px;background:#233147;color:#fff;font-size:.66rem;font-weight:850}.sample-icon.output{background:var(--brand)}.sample-conversion p{display:flex;flex-direction:column;margin:0;min-width:0}.sample-conversion strong{font-size:.77rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sample-conversion small{font-size:.66rem;color:var(--muted)}.sample-arrow{color:var(--brand)}.sample-progress{height:6px;margin:0 1.2rem;background:var(--line);border-radius:10px;overflow:hidden}.sample-progress span{display:block;width:80%;height:100%;background:linear-gradient(90deg,var(--brand),var(--accent))}.sample-foot{display:flex;justify-content:space-between;gap:1rem;padding:1rem 1.2rem 1.3rem;color:var(--muted);font-size:.7rem}.sample-foot span{display:flex;align-items:center;gap:.35rem}.sample-foot strong{color:var(--success)}
.page-section{padding:3.7rem 0 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1.25rem}.section-heading>a{display:inline-flex;align-items:center;gap:.35rem;font-size:.85rem;font-weight:700}.popular-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem}.tool-link-card{display:flex;align-items:center;gap:.8rem;min-width:0;padding:1rem;background:var(--surface);border:1px solid var(--line);border-radius:10px;color:var(--text);transition:border-color .16s,transform .16s,box-shadow .16s}.tool-link-card:hover{border-color:color-mix(in srgb,var(--brand) 45%,var(--line));box-shadow:0 8px 20px rgba(31,58,108,.07);transform:translateY(-1px);text-decoration:none}.tool-link-card>span:nth-child(2){display:flex;flex:1;min-width:0;flex-direction:column}.tool-link-card strong{font-size:.88rem;line-height:1.35}.tool-link-card small{margin-top:.25rem;color:var(--muted);font-size:.74rem;line-height:1.45}.tool-link-card>svg{flex:0 0 auto;color:var(--muted)}.tool-card-icon{display:grid;place-items:center;flex:0 0 36px;height:36px;border-radius:8px;background:color-mix(in srgb,var(--brand) 10%,var(--surface));color:var(--brand)}.tool-link-card.compact{min-height:62px;padding:.7rem}.tool-link-card.compact .tool-card-icon{width:32px;height:32px}.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.85rem}.category-card{display:flex;gap:1rem;padding:1.25rem;background:var(--surface);border:1px solid var(--line);border-radius:11px;color:var(--text)}.category-card:hover{border-color:color-mix(in srgb,var(--brand) 40%,var(--line));text-decoration:none}.category-card>span{display:grid;place-items:center;flex:0 0 46px;height:46px;border-radius:10px;background:color-mix(in srgb,var(--brand) 10%,var(--surface));color:var(--brand)}.category-card>span svg{width:22px;height:22px}.category-card strong{font-size:1rem}.category-card p{font-size:.78rem;margin:.25rem 0 .65rem;line-height:1.45}.category-card small{display:inline-flex;align-items:center;gap:.35rem;color:var(--brand);font-weight:700}.trust-section{display:grid;grid-template-columns:.7fr 1.3fr;gap:3rem;margin-top:4.5rem;padding:3rem;border-radius:14px;background:#15233a;color:#fff}.trust-section h2{color:#fff}.trust-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem}.trust-grid article>span{font-size:.72rem;color:#7edbd0;font-weight:800}.trust-grid h3{color:#fff;margin:.25rem 0}.trust-grid p{margin:0;color:#bfcbe0;font-size:.82rem;line-height:1.5}
.breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:.35rem;margin-bottom:1.2rem;font-size:.78rem;color:var(--muted)}.breadcrumbs a{color:var(--muted)}.breadcrumbs svg{width:12px;height:12px}.page-lead,.tool-lead{display:flex;justify-content:space-between;gap:2rem;align-items:flex-start;margin-bottom:1.8rem}.page-lead p,.tool-lead p{max-width:760px;margin:.7rem 0 0;font-size:1rem}.page-lead h1,.tool-lead h1{font-size:clamp(2rem,4vw,3rem)}.tool-lead .favorite-button{margin-top:1.8rem}.favorite-button{display:inline-flex;align-items:center;gap:.45rem;flex:0 0 auto;padding:.58rem .85rem;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--muted);cursor:pointer;font-size:.82rem;font-weight:700}.favorite-button.active{color:#b57700;border-color:#e6bd58;background:#fff9e9}.favorite-button.active svg{fill:currentColor}.converter-shell{background:var(--surface);border:1px solid var(--line);border-radius:13px;box-shadow:0 10px 28px rgba(25,43,78,.06);overflow:hidden}.converter-topline{display:flex;align-items:center;gap:.7rem;padding:.85rem 1.15rem;border-bottom:1px solid var(--line);background:var(--surface-2)}.converter-topline>span:first-child{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;background:color-mix(in srgb,var(--brand) 10%,var(--surface));color:var(--brand)}.converter-topline>div{display:flex;flex-direction:column}.converter-topline strong{font-size:.86rem}.converter-topline small{color:var(--muted);font-size:.68rem}.local-badge{margin-left:auto;padding:.2rem .5rem;border-radius:5px;background:color-mix(in srgb,var(--accent) 11%,var(--surface));color:var(--success);font-size:.67rem;font-weight:750}.tool-form{padding:1.35rem}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.editor-pane{display:flex;flex-direction:column}.field-label{display:block;margin-bottom:.38rem;color:var(--text);font-size:.78rem;font-weight:730}.editor{width:100%;min-height:265px;resize:vertical;border:1px solid var(--line);border-radius:9px;padding:.85rem;background:var(--surface-2);color:var(--text);font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:.82rem;line-height:1.55;outline:0}.editor:focus,input:focus,select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 12%,transparent)}.output-placeholder{min-height:265px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:1px dashed var(--line);border-radius:9px;background:var(--surface-2);color:var(--muted)}.output-placeholder>span{display:grid;place-items:center;width:44px;height:44px;margin-bottom:.7rem;border-radius:10px;background:var(--surface);color:var(--brand)}.output-placeholder strong{font-size:.86rem;color:var(--text)}.output-placeholder p{font-size:.76rem;margin:.2rem 0}.form-actions,.result-actions{display:flex;align-items:center;gap:.55rem;margin-top:1rem}.button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:.45rem;border:1px solid transparent;border-radius:8px;padding:.55rem .95rem;font-weight:720;font-size:.84rem;cursor:pointer}.button:hover{text-decoration:none}.button.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.button.primary:hover{background:var(--brand-2)}.button.secondary{background:var(--surface);color:var(--text);border-color:var(--line)}.button.secondary:hover{border-color:color-mix(in srgb,var(--brand) 38%,var(--line));background:var(--surface-2)}.button.ghost{background:transparent;color:var(--muted)}.button.ghost:hover{background:var(--surface-2);color:var(--text)}.button:disabled{opacity:.48;cursor:not-allowed}.button.is-loading svg{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.inline-error{margin-top:1rem;padding:.75rem .85rem;border-left:3px solid var(--danger);border-radius:6px;background:color-mix(in srgb,var(--danger) 8%,var(--surface));color:var(--danger);font-size:.82rem}.result-panel{margin:0 1.35rem 1.35rem;padding:1.1rem;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:10px;background:color-mix(in srgb,var(--accent) 4%,var(--surface))}.result-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.8rem}.result-head>div{display:flex;flex-direction:column}.result-head .eyebrow{margin:0}.result-head strong{font-size:.9rem}.status-badge{font-size:.69rem;font-weight:750;color:var(--success);padding:.2rem .48rem;border-radius:5px;background:color-mix(in srgb,var(--success) 10%,var(--surface))}.output-editor{min-height:220px;background:var(--surface)}.result-visual{margin-bottom:.8rem}.metric-strip{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;border:1px solid var(--line);border-radius:8px;background:var(--surface);overflow:hidden}.metric-strip>div{display:flex;flex-direction:column;padding:.75rem;border-right:1px solid var(--line)}.metric-strip>div:last-child{border-right:0}.metric-strip strong{font-size:1rem}.metric-strip span{color:var(--muted);font-size:.68rem}.file-result-card{display:flex;align-items:center;gap:.7rem;padding:.75rem;border:1px solid var(--line);border-radius:9px;background:var(--surface)}.result-file-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:8px;background:color-mix(in srgb,var(--brand) 10%,var(--surface));color:var(--brand)}.file-result-card>div{display:flex;flex:1;flex-direction:column}.file-result-card strong{font-size:.84rem}.file-result-card span{font-size:.72rem;color:var(--muted)}.image-preview{display:block;max-width:100%;max-height:380px;margin:1rem auto 0;border-radius:8px;border:1px solid var(--line)}.validation-success{display:flex;align-items:center;gap:.5rem;color:var(--success);font-size:.8rem;font-weight:700}.data-table{border:1px solid var(--line);border-radius:8px;overflow:hidden}.data-table>div{display:grid;grid-template-columns:145px 1fr}.data-table>div>*{padding:.55rem .7rem;border-bottom:1px solid var(--line);font-size:.78rem;word-break:break-word}.data-table>div:last-child>*{border-bottom:0}.data-table>div>*:first-child{background:var(--surface-2);font-family:monospace}.color-result{display:flex;align-items:center;gap:.8rem}.color-result>span{width:72px;height:72px;border-radius:9px;background:var(--swatch);border:1px solid var(--line)}.color-result>div{display:flex;flex-direction:column}.color-result small{color:var(--muted)}
.dropzone{min-height:245px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:1.5rem;border:1.5px dashed color-mix(in srgb,var(--brand) 38%,var(--line));border-radius:10px;background:color-mix(in srgb,var(--brand) 3%,var(--surface-2));cursor:pointer;transition:.16s}.dropzone:hover,.dropzone.dragover{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 7%,var(--surface))}.dropzone input{position:absolute;opacity:0;pointer-events:none}.drop-icon{display:grid;place-items:center;width:50px;height:50px;border-radius:11px;background:color-mix(in srgb,var(--brand) 11%,var(--surface));color:var(--brand);margin-bottom:.65rem}.drop-icon svg{width:24px;height:24px}.dropzone strong{font-size:.92rem}.dropzone>span:not(.drop-icon){color:var(--muted);font-size:.8rem}.dropzone b{color:var(--brand)}.dropzone small{margin-top:.55rem;color:var(--muted);font-size:.7rem}.file-summary{display:flex;align-items:center;gap:.55rem;margin-top:.75rem;padding:.65rem .75rem;border:1px solid var(--line);border-radius:8px}.file-summary>span{color:var(--brand)}.file-summary>div{display:flex;flex-direction:column}.file-summary strong{font-size:.8rem}.file-summary small{color:var(--muted);font-size:.7rem}.option-row,.inline-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin-top:1rem}.range-field{grid-column:span 2;display:flex;flex-direction:column}.range-field>span{display:flex;justify-content:space-between}.range-field output{color:var(--brand);font-size:.78rem;font-weight:750}.range-field input{accent-color:var(--brand)}.privacy-note{display:flex;align-items:center;gap:.5rem;margin-top:1rem;padding:.65rem .75rem;border-radius:8px;background:var(--surface-2);color:var(--muted);font-size:.73rem}.privacy-note svg{color:var(--accent)}.fields-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem}.field{display:flex;flex-direction:column;min-width:0}.field.wide{grid-column:1/-1}.field input,.field select,.field textarea,select{width:100%;min-height:43px;border:1px solid var(--line);border-radius:8px;padding:.58rem .68rem;background:var(--surface-2);color:var(--text);outline:0}.field textarea{resize:vertical}.field.compact{max-width:250px;margin-bottom:.8rem}.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem;margin-bottom:.8rem}.check-grid label{display:flex;align-items:center;gap:.45rem;padding:.55rem .65rem;border:1px solid var(--line);border-radius:7px;color:var(--muted);font-size:.76rem}.check-grid input{accent-color:var(--brand)}.segment-control{display:inline-flex;padding:3px;margin-bottom:.8rem;border:1px solid var(--line);border-radius:8px;background:var(--surface-2)}.segment-control input{position:absolute;opacity:0}.segment-control span{display:block;padding:.35rem .8rem;border-radius:6px;color:var(--muted);font-size:.78rem;font-weight:700;cursor:pointer}.segment-control input:checked+span{background:var(--surface);color:var(--brand);box-shadow:0 1px 3px rgba(0,0,0,.12)}.callout{padding:.75rem;border:1px solid var(--line);border-radius:8px;background:var(--surface-2)}.compact-callout{display:flex;flex-direction:column;margin-bottom:.8rem}.compact-callout strong{font-size:.79rem}.compact-callout span{font-size:.72rem;color:var(--muted)}.repeat-rows{display:grid;gap:.75rem;margin-bottom:.8rem}.repeat-row{position:relative;margin:0;padding:1rem;border:1px solid var(--line);border-radius:9px}.repeat-row legend{padding:0 .35rem;color:var(--brand);font-size:.76rem;font-weight:750}.repeat-row .field+.field{margin-top:.7rem}.remove-row{position:absolute;right:.6rem;top:.45rem;width:30px;height:30px;border:0;font-size:1.25rem;color:var(--muted)}.color-preview{height:105px;margin-top:1rem;border-radius:9px;border:1px solid var(--line);display:flex;align-items:end;padding:.7rem;color:#172033}.color-preview.dark-swatch{color:#fff}.color-preview span{padding:.2rem .45rem;border-radius:5px;background:color-mix(in srgb,var(--surface) 82%,transparent);color:inherit;font-size:.72rem;font-weight:750}
.content-block{margin-top:3.6rem}.how-block{display:grid;grid-template-columns:.65fr 1.15fr .7fr;gap:2rem;align-items:start}.how-block ol{list-style:none;margin:0;padding:0;display:grid;gap:1.1rem}.how-block li{display:flex;gap:.75rem}.how-block li>span{display:grid;place-items:center;flex:0 0 30px;height:30px;border:1px solid var(--line);border-radius:7px;color:var(--brand);font-size:.72rem;font-weight:800}.how-block li div{display:flex;flex-direction:column}.how-block li strong{font-size:.86rem}.how-block li p{margin:.15rem 0 0;font-size:.76rem}.how-block aside{padding:1rem;border-left:3px solid var(--accent);background:var(--surface);border-radius:0 9px 9px 0}.how-block aside strong{font-size:.8rem}.how-block aside p{font-size:.75rem;margin:.3rem 0 0}.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.7rem}.faq-block details{border-top:1px solid var(--line)}.faq-block details:last-child{border-bottom:1px solid var(--line)}.faq-block summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem .2rem;cursor:pointer;list-style:none;font-weight:700;font-size:.88rem}.faq-block summary::-webkit-details-marker{display:none}.faq-block summary svg{transition:.15s}.faq-block details[open] summary svg{transform:rotate(90deg)}.faq-block details p{max-width:850px;margin:0 0 1rem .2rem;font-size:.82rem}.filter-count{margin:.75rem 0;color:var(--muted);font-size:.78rem}.filter-count span{color:var(--text);font-weight:750}.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.7rem}.directory-group{margin-top:3.2rem}.directory-title{display:flex;align-items:center;gap:.9rem;margin-bottom:1rem}.directory-title>span{display:grid;place-items:center;width:46px;height:46px;border-radius:10px;background:color-mix(in srgb,var(--brand) 10%,var(--surface));color:var(--brand)}.directory-title h2{font-size:1.45rem}.directory-title p{margin:.15rem 0 0;font-size:.76rem}.directory-title>a{margin-left:auto;font-size:.8rem;font-weight:700}.no-results{text-align:center;padding:4rem 1rem}.no-results>span{display:grid;place-items:center;width:56px;height:56px;margin:auto;border-radius:12px;background:var(--surface);color:var(--muted)}.no-results h2{margin:1rem 0 .4rem}.no-results p{margin:0}
.featured-guide{display:grid;grid-template-columns:1.15fr .85fr;gap:2rem;align-items:center;margin:1.5rem 0 2.5rem;padding:2.2rem;border-radius:14px;background:#15233a;color:#fff}.featured-guide h2{color:#fff}.featured-guide p{color:#c5d0e1}.format-comparison{display:flex;align-items:center;justify-content:center;gap:.8rem}.format-comparison>span{display:grid;place-items:center;width:75px;height:75px;border-radius:12px;background:#fff;color:#172033;font-weight:850}.format-comparison>span:last-child{background:#3c7df0;color:#fff}.format-comparison>div{display:flex;gap:4px}.format-comparison i{width:6px;height:6px;border-radius:50%;background:#55cbb5}.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.guide-card{padding:1.4rem;border:1px solid var(--line);border-radius:11px;background:var(--surface)}.guide-card>span{font-size:.68rem;color:var(--brand);font-weight:800;text-transform:uppercase;letter-spacing:.08em}.guide-card h2{font-size:1.15rem;margin:.55rem 0}.guide-card h2 a{color:var(--text)}.guide-card p{font-size:.8rem}.guide-card>a{display:inline-flex;align-items:center;gap:.35rem;font-size:.78rem;font-weight:720}.article>header{max-width:850px;padding:1rem 0 2rem}.article>header>p{font-size:1.1rem}.article-meta{display:flex;flex-wrap:wrap;gap:.6rem 1.3rem;color:var(--muted);font-size:.75rem}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:3rem}.article-body{max-width:760px}.article-body section{margin-bottom:2.5rem}.article-body h2{font-size:1.55rem}.article-body p{font-size:.98rem;line-height:1.8}.inline-tool-link{display:flex;align-items:center;gap:.5rem;margin-top:1rem;padding:.8rem;border:1px solid color-mix(in srgb,var(--brand) 30%,var(--line));border-radius:8px;background:color-mix(in srgb,var(--brand) 5%,var(--surface));font-weight:720;font-size:.82rem}.inline-tool-link svg:last-child{margin-left:auto}.article-aside{position:sticky;top:calc(var(--header) + 1.5rem);display:grid;gap:.6rem;align-self:start}.article-aside>strong{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em}.info-page{max-width:900px}.prose{max-width:780px}.prose h2{margin:2.3rem 0 .65rem;font-size:1.5rem}.prose p,.prose li{font-size:.95rem;line-height:1.75;color:var(--muted)}.contact-card{display:flex;gap:1rem;padding:1.4rem;border:1px solid var(--line);border-radius:11px;background:var(--surface)}.contact-card>span{display:grid;place-items:center;flex:0 0 48px;height:48px;border-radius:10px;background:color-mix(in srgb,var(--brand) 10%,var(--surface));color:var(--brand)}.contact-card h2{margin:0}.not-found{max-width:760px;margin:5vh auto;text-align:center}.not-found>span{display:block;color:var(--brand);font-size:5rem;line-height:1;font-weight:850;letter-spacing:-.08em}.not-found>p{font-size:1rem}.not-found .global-search-box{margin:1.5rem auto}.not-found .related-grid{text-align:left}.text-link{display:inline-flex;align-items:center;gap:.4rem;margin-top:1.5rem;font-weight:700}
.site-footer{display:grid;grid-template-columns:1.5fr repeat(3,.7fr);gap:2rem;padding:2.6rem max(1.75rem,calc((100% - 1120px)/2));border-top:1px solid var(--line);background:var(--surface)}.site-footer>div{display:flex;flex-direction:column;align-items:flex-start;gap:.35rem}.site-footer strong{font-size:.78rem}.site-footer a:not(.brand){color:var(--muted);font-size:.75rem}.site-footer p{font-size:.75rem;margin:.1rem 0}.footer-brand{font-size:1rem}.footer-brand .brand-mark{width:30px;height:30px}.copyright{grid-column:1/-1;padding-top:1rem;border-top:1px solid var(--line);color:var(--muted);font-size:.7rem}.static-fallback{max-width:900px;margin:3rem auto;padding:2rem}.search-dialog{width:min(720px,calc(100% - 2rem));padding:1rem;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);box-shadow:var(--shadow);overflow:visible}.search-dialog::backdrop{background:rgba(5,12,25,.55);backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:.8rem}.dialog-hint{font-size:.72rem;margin:.65rem 0 0}.search-dialog .global-search-box{max-width:none}
@media (max-width:1100px){.desktop-nav{display:none}.home-hero{grid-template-columns:1fr}.hero-panel{max-width:680px;transform:none}.popular-grid{grid-template-columns:repeat(2,1fr)}.how-block{grid-template-columns:1fr 1.2fr}.how-block aside{grid-column:1/-1}.article-layout{grid-template-columns:1fr}.article-aside{position:static;grid-template-columns:repeat(3,1fr)}.article-aside>strong{grid-column:1/-1}.trust-section{grid-template-columns:1fr}}
@media (max-width:800px){:root{--header:58px}.site-header{padding:0 .8rem}.brand{font-size:1rem}.brand-mark{width:32px;height:32px}.header-search{min-width:0;width:39px;padding:0;justify-content:center;background:var(--surface)}.header-search span,.header-search kbd{display:none}.mobile-menu{display:grid}.sidebar{z-index:90;top:0;width:min(330px,88vw);transform:translateX(-102%);transition:transform .22s;box-shadow:var(--shadow)}.sidebar-open .sidebar{transform:translateX(0)}.drawer-backdrop{position:fixed;z-index:85;inset:0;background:rgba(4,11,24,.55);backdrop-filter:blur(2px)}.sidebar-open .drawer-backdrop{display:block}.sidebar-mobile-head{display:flex;align-items:center;justify-content:space-between;height:50px;padding:0 .2rem .5rem .65rem;border-bottom:1px solid var(--line)}.sidebar-search{top:-.9rem}.content-frame{margin-left:0}.main-content{width:min(100% - 2rem,740px);padding-top:1.5rem}.home-hero{padding:1.2rem 0 3rem;gap:1.6rem}.hero-copy h1{font-size:clamp(2.45rem,11vw,3.7rem)}.hero-copy>p{font-size:1rem}.category-grid,.tool-grid,.guide-grid{grid-template-columns:1fr}.trust-section{padding:1.7rem;margin-top:3rem}.page-lead,.tool-lead{flex-direction:column}.tool-lead .favorite-button{margin-top:-.8rem}.editor-grid{grid-template-columns:1fr}.output-placeholder{min-height:160px}.fields-grid{grid-template-columns:1fr}.field.wide{grid-column:auto}.how-block{grid-template-columns:1fr}.how-block aside{grid-column:auto}.featured-guide{grid-template-columns:1fr}.format-comparison{padding-top:1rem}.site-footer{grid-template-columns:repeat(3,1fr);padding:2rem 1rem}.site-footer>div:first-child{grid-column:1/-1}.article-aside{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}}
@media (max-width:520px){.main-content{width:calc(100% - 1.2rem);padding-bottom:3rem}.home-hero{padding-top:.7rem}.hero-copy h1{font-size:2.45rem}.global-search-box{height:52px}.global-search-box kbd{display:none}.quick-links{display:none}.hero-panel{border-radius:11px}.sample-conversion{padding:1.2rem .8rem}.sample-conversion p{display:none}.sample-icon{width:58px}.popular-grid{grid-template-columns:1fr}.category-card{padding:1rem}.page-section{padding-top:2.8rem}.section-heading{align-items:flex-start}.section-heading>a{font-size:.72rem}.trust-grid{grid-template-columns:1fr}.trust-section{gap:2rem}.tool-form{padding:.85rem}.result-panel{margin:0 .85rem .85rem;padding:.8rem}.converter-topline{padding:.75rem .85rem}.local-badge{display:none}.editor{min-height:220px}.form-actions,.result-actions{flex-wrap:wrap}.form-actions .button.primary{flex:1}.option-row,.inline-controls,.check-grid{grid-template-columns:1fr}.range-field{grid-column:auto}.file-result-card{align-items:flex-start;flex-wrap:wrap}.file-result-card .button{width:100%}.metric-strip{grid-auto-flow:row}.metric-strip>div{border-right:0;border-bottom:1px solid var(--line)}.metric-strip>div:last-child{border-bottom:0}.data-table>div{grid-template-columns:105px 1fr}.site-footer{grid-template-columns:1fr 1fr}.site-footer>div:first-child{grid-column:1/-1}.copyright{grid-column:1/-1}.favorite-button{width:100%;justify-content:center}.featured-guide{padding:1.4rem}.format-comparison>span{width:62px;height:62px}.contact-card{flex-direction:column}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.dropzone.is-dragging{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 7%,var(--surface))}
.mini-upload{display:inline-flex;align-items:center;gap:.65rem;width:max-content;max-width:100%;margin-bottom:.8rem;padding:.55rem .7rem;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);color:var(--text);cursor:pointer}.mini-upload>svg{color:var(--brand)}.mini-upload>span{display:flex;flex-direction:column}.mini-upload strong{font-size:.76rem}.mini-upload small{font-size:.66rem;color:var(--muted)}.mini-upload input{position:absolute;opacity:0;pointer-events:none}.image-metrics{margin-bottom:.8rem}
.sidebar-tool{font-size:.875rem}
.static-header-link{margin-left:auto;font-size:.875rem;font-weight:700}
.static-sidebar-nav{display:grid;gap:.25rem}.static-sidebar-nav a{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding:.55rem .65rem;border-radius:8px;color:var(--text);font-size:.875rem}.static-sidebar-nav a:hover{background:var(--surface-2);text-decoration:none}.static-sidebar-nav small{color:var(--muted);font-size:.75rem}.static-content{display:grid;gap:3rem}.static-content>section,.static-content>article{min-width:0}.static-hero{max-width:820px;padding:2rem 0;border-bottom:1px solid var(--line)}.static-hero h1{margin:.4rem 0 1rem}.static-hero p{max-width:700px;font-size:1.05rem}.static-tool-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem;margin:1rem 0 0;padding:0;list-style:none}.static-tool-list a{display:flex;flex-direction:column;height:100%;padding:.9rem 1rem;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--text)}.static-tool-list a:hover{border-color:color-mix(in srgb,var(--brand) 45%,var(--line));text-decoration:none}.static-tool-list strong{font-size:.9rem}.static-tool-list span{margin-top:.25rem;color:var(--muted);font-size:.8rem;line-height:1.45}.static-category-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem;margin-top:1rem}.static-category-grid article,.static-guide-list article{padding:1.1rem;border:1px solid var(--line);border-radius:10px;background:var(--surface)}.static-category-grid h3{margin-bottom:.35rem}.static-category-grid p{margin:.25rem 0;font-size:.85rem}.static-category-grid span,.static-guide-list>article>span{color:var(--brand);font-size:.75rem;font-weight:700}.static-content>section>h2,.static-tool-page section h2{margin-bottom:.7rem}.static-tool-page{display:grid;gap:2.4rem}.static-tool-page>header{max-width:820px}.static-tool-page>header p{font-size:1.05rem}.static-converter-intro{padding:1.25rem;border:1px solid color-mix(in srgb,var(--brand) 25%,var(--line));border-radius:11px;background:color-mix(in srgb,var(--brand) 5%,var(--surface))}.static-converter-intro p{margin-bottom:0}.static-faq details{border-top:1px solid var(--line);padding:.8rem 0}.static-faq details:last-child{border-bottom:1px solid var(--line)}.static-faq summary{cursor:pointer;font-weight:700}.static-faq details p{margin:.45rem 0 0}.static-guide-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.static-guide-list h2{margin:.45rem 0;font-size:1.2rem}.static-guide-list p{font-size:.85rem}.static-article{display:block}.noscript-note{padding:.85rem 1rem;border-left:3px solid var(--accent);background:var(--surface);color:var(--text)}.setup-page{max-width:780px}.setup-page>p{font-size:1rem}.setup-card{margin:1.4rem 0 2.4rem;padding:1.25rem;border:1px solid var(--line);border-radius:11px;background:var(--surface)}.setup-card label{display:block;margin-bottom:.4rem;font-weight:750}.setup-card input{width:100%;min-height:48px;padding:.65rem .75rem;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);color:var(--text)}.setup-actions{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:1rem}.setup-status{margin:.8rem 0 0;font-size:.85rem}.setup-page ol{padding-left:1.3rem}.setup-page li{margin:.45rem 0}
@media (max-width:800px){.static-tool-list,.static-category-grid,.static-guide-list{grid-template-columns:1fr}.static-header-link{font-size:.8rem}.static-content{gap:2.4rem}}