#root{width:100%;margin:0;padding:0;text-align:left}.app{--ink: #162033;--muted: #637089;--line: #d8e0eb;--surface: #ffffff;--surface-2: #f4f7fb;--surface-3: #eaf0f7;--brand: #2459e6;--brand-2: #009f88;--ok: #087f5b;--warn: #b42318;--shadow: 0 18px 55px rgba(22, 32, 51, .1);min-height:100vh;color:var(--ink);background:radial-gradient(circle at 12% 0%,rgba(0,159,136,.16),transparent 28rem),linear-gradient(135deg,#f7f9fc,#edf6f5 45%,#f6f8fb)}.app.dark{--ink: #eef4ff;--muted: #aeb9ca;--line: #344259;--surface: #151e2e;--surface-2: #1d2a3d;--surface-3: #26364d;--brand: #7aa2ff;--brand-2: #25ccb1;--ok: #52d9a5;--warn: #ff938a;--shadow: 0 18px 55px rgba(0, 0, 0, .28);background:radial-gradient(circle at 12% 0%,rgba(37,204,177,.13),transparent 28rem),linear-gradient(135deg,#0f1726,#101c2c,#121827)}.site-header{position:sticky;top:0;z-index:200;height:62px;background:color-mix(in srgb,var(--surface) 92%,transparent);border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%)}.header-inner{width:min(1400px,100%);height:100%;display:flex;align-items:center;gap:32px;margin:0 auto;padding:0 28px}.logo{display:flex;align-items:center;gap:10px;min-height:auto;padding:0;border:0;background:transparent;color:var(--ink);font-size:1.18rem;font-weight:800;letter-spacing:0;white-space:nowrap}.logo-mark{display:flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:9px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));font:800 .85rem JetBrains Mono,monospace}.logo-pack{color:var(--brand-2)}.main-nav{display:flex;align-items:center;gap:2px}.nav-item{position:relative}.nav-item>button{display:flex;align-items:center;gap:5px;min-height:auto;padding:6px 12px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:.84rem;font-weight:700;white-space:nowrap}.nav-item>button:hover,.nav-item:hover>button{background:var(--surface-2);color:var(--ink)}.nav-arrow{font-size:.62rem;opacity:.6;transition:transform .18s}.nav-item:hover .nav-arrow{transform:rotate(180deg)}.nav-dropdown{position:absolute;top:100%;left:0;z-index:999;min-width:220px;padding:5px;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:0 12px 40px #00000021;opacity:0;pointer-events:none;transform:translateY(4px);transition:opacity .15s ease,transform .15s ease,visibility .15s;visibility:hidden}.nav-item:hover .nav-dropdown,.nav-item:focus-within .nav-dropdown{opacity:1;pointer-events:auto;transform:translateY(2px);visibility:visible}.nav-item:after{content:"";position:absolute;top:100%;right:0;left:0;display:none;height:8px}.nav-item:hover:after{display:block}.nav-dropdown button{display:block;width:100%;min-height:auto;padding:9px 12px;border:0;border-radius:7px;background:transparent;color:var(--muted);font-size:.83rem;font-weight:700;text-align:left;white-space:nowrap}.nav-dropdown button:hover,.nav-dropdown button.active{background:var(--surface-2);color:var(--ink)}.dd-icon{display:inline-flex;width:22px;height:22px;align-items:center;justify-content:center;margin-right:8px;border-radius:5px;background:var(--surface-2);color:var(--brand);font:800 .62rem JetBrains Mono,monospace;vertical-align:middle}.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}button,input,select,textarea{font:inherit}button,select,input{border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink)}button{min-height:36px;padding:8px 13px;cursor:pointer}input,select{min-height:38px;padding:8px 12px}button:hover,input:focus,select:focus,textarea:focus{border-color:var(--brand);outline:none}.search{width:min(24vw,280px)}.theme-button{min-width:64px;color:var(--muted)}.contact-button{min-width:74px;color:var(--muted);font-weight:700}.contact-button.active{border-color:var(--brand);background:var(--brand);color:#fff}.hamburger{display:none;flex-direction:column;gap:5px;justify-content:center;min-height:34px;padding:6px;border:0;background:transparent}.hamburger span{display:block;width:22px;height:2px;border-radius:2px;background:var(--muted);transition:transform .2s,opacity .2s}.hamburger.open span:first-child{transform:translateY(7px) rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:last-child{transform:translateY(-7px) rotate(-45deg)}.mobile-menu{position:fixed;top:62px;right:0;left:0;z-index:190;display:none;max-height:calc(100vh - 62px);overflow-y:auto;padding:8px 0 14px;border-bottom:1px solid var(--line);background:var(--surface);box-shadow:0 8px 32px #00000014}.mobile-menu.open{display:block}.mobile-section{margin-top:4px;padding:8px 20px 4px;color:var(--muted);font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.mobile-menu button{display:block;width:100%;min-height:auto;padding:9px 20px;border:0;border-radius:0;background:transparent;color:var(--muted);font-size:.85rem;font-weight:700;text-align:left}.mobile-menu button:hover,.mobile-menu button.active{background:var(--surface-2);color:var(--ink)}.page{width:min(1500px,100%);margin:0 auto;padding:30px 5vw 76px}.hero{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.home-hero{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px;padding:28px;border:1px solid color-mix(in srgb,var(--brand-2) 18%,var(--line));border-radius:8px;background:linear-gradient(135deg,color-mix(in srgb,var(--brand-2) 9%,transparent),transparent 58%),var(--surface);box-shadow:var(--shadow)}.home-hero>div:first-child{min-width:0}.home-hero h1{margin-bottom:10px;font-size:clamp(2.6rem,6vw,4.8rem);line-height:.95}.home-hero .intro{max-width:780px;font-size:1.02rem;line-height:1.55}.breadcrumb{margin-bottom:12px;color:var(--muted);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}h1,h2,h3,p{margin-top:0}h1{margin-bottom:6px;font-size:clamp(2rem,4vw,4.5rem);line-height:.95;letter-spacing:0}.intro{max-width:760px;margin-bottom:0;color:var(--muted);font-size:1rem}.hero-count{display:grid;min-width:150px;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 10px 30px #16203314}.hero-count strong{display:inline-flex;align-items:center;gap:8px;font-size:2.2rem;line-height:1}.count-light{display:inline-block;width:10px;height:10px;border-radius:50%;background:#18b26b;box-shadow:0 0 0 4px #18b26b24,0 0 16px #18b26bb3}.hero-count span{color:var(--muted);font-size:.82rem;font-weight:700}.index-menu{display:grid;gap:28px}.index-section{scroll-margin-top:86px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.section-heading h2{margin:0;font-size:1rem;text-transform:uppercase;letter-spacing:.08em}.section-heading span{color:var(--muted);font-size:.78rem;font-weight:800}.index-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}.index-card{display:grid;grid-template-columns:46px 1fr 26px;gap:12px;align-items:center;min-height:94px;padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 10px 28px #1620330f;text-align:left}.index-card:hover{border-color:var(--brand);transform:translateY(-1px)}.index-icon{display:grid;width:42px;height:42px;place-items:center;border-radius:8px;background:var(--surface-2);color:var(--brand);font:800 .8rem JetBrains Mono,monospace}.index-card h3{margin:0 0 4px;font-size:.98rem}.index-card p{margin:0;color:var(--muted);font-size:.82rem;line-height:1.35}.index-arrow{color:var(--brand-2);font-weight:900}.layout{display:grid;grid-template-columns:330px minmax(0,1fr);gap:22px;align-items:start}.tool-rail{position:sticky;top:88px;max-height:calc(100vh - 110px);overflow:auto;padding:14px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,var(--surface) 94%,transparent);box-shadow:var(--shadow)}.tool-group+.tool-group{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}.tool-group summary{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px;color:var(--muted);cursor:pointer;font-size:.73rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.tool-group summary::-webkit-details-marker{display:none}.tool-group summary:before{content:">";color:var(--brand);font-size:.8rem;transition:transform .18s}.tool-group[open] summary:before{transform:rotate(90deg)}.tool-group summary span{display:inline-grid;min-width:24px;min-height:22px;place-items:center;border-radius:999px;background:var(--surface-2);color:var(--muted);font-size:.7rem}.tool-menu-items{display:grid;gap:6px}.tool-link{display:grid;width:100%;grid-template-columns:40px 1fr;gap:10px;align-items:center;padding:9px;text-align:left}.tool-link>span{display:grid;width:34px;height:34px;place-items:center;border-radius:8px;background:var(--surface-2);color:var(--brand);font:800 .75rem JetBrains Mono,monospace}.tool-link strong,.tool-link small{display:block}.tool-link strong{font-size:.9rem}.tool-link small{margin-top:2px;color:var(--muted);font-size:.75rem;line-height:1.25}.tool-link.active{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 11%,var(--surface))}.tool-shell,.panel{min-width:0}.panel{padding:20px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.toolbar,.inline-fields{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:16px}.primary,.active-toggle{border-color:var(--brand);background:var(--brand);color:#fff;font-weight:800}.stat-pill{min-height:36px;display:inline-flex;align-items:center;padding:8px 12px;border-radius:8px;background:var(--surface-2);color:var(--muted);font-weight:800}.workbench{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:grid;gap:8px}.field>span{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--ink);font-size:.82rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em}.field small{color:var(--muted);font-size:.75rem;font-weight:700;text-transform:none;letter-spacing:0}.field textarea,.preview{width:100%;min-height:360px;resize:vertical;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);color:var(--ink);padding:14px;font:.88rem/1.55 JetBrains Mono,Consolas,monospace}.output-field textarea{background:var(--surface-3)}.field>input{width:100%}.status{margin-top:16px;padding:11px 13px;border-radius:8px;background:var(--surface-2);color:var(--muted);font-weight:800}.status.ok{color:var(--ok)}.status.warn{color:var(--warn)}.diff-lines{margin-top:16px;overflow:auto;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);font:.84rem/1.5 JetBrains Mono,Consolas,monospace}.diff-lines.wrap code{white-space:pre-wrap}.diff-row{display:grid;grid-template-columns:34px 1fr;border-bottom:1px solid color-mix(in srgb,var(--line) 60%,transparent)}.diff-row span{display:grid;place-items:center;color:var(--muted);background:color-mix(in srgb,var(--surface) 62%,transparent)}.diff-row code{min-width:0;padding:6px 10px;overflow:auto;white-space:pre}.diff-row.added{background:color-mix(in srgb,var(--ok) 12%,var(--surface))}.diff-row.removed{background:color-mix(in srgb,var(--warn) 10%,var(--surface))}.table-wrap{max-height:360px;overflow:auto;margin-top:16px;border:1px solid var(--line);border-radius:8px}table{width:100%;border-collapse:collapse;background:var(--surface)}th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}th{position:sticky;top:0;background:var(--surface-2)}.preview{overflow:auto;font-family:inherit}.preview h1{font-size:2rem;line-height:1.1}.color-preview{height:120px;margin-bottom:16px;border:1px solid var(--line);border-radius:8px}.qr-output{display:grid;justify-items:start;gap:12px;margin-top:16px}.qr-output img{width:260px;max-width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;padding:12px}.download-link{display:inline-flex;min-height:36px;align-items:center;padding:8px 13px;border:1px solid var(--brand);border-radius:8px;background:var(--brand);color:#fff;font-weight:800;text-decoration:none}.option-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:16px}.option-grid label,.inline-option{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--muted);font-weight:800}.inline-option input{width:86px}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px}.result{display:grid;gap:6px;padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2)}.result span{color:var(--muted);font-size:.78rem;font-weight:800;text-transform:uppercase}.result strong{overflow-wrap:anywhere}.calculator-pad{display:grid;grid-template-columns:repeat(5,minmax(48px,1fr));gap:8px;margin:16px 0}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.contact-grid .field:last-child{grid-column:1 / -1}.contact-form{display:grid;gap:16px}.contact-page{width:min(720px,100%);margin:0 auto;padding-top:18px}.contact-page h1{margin-bottom:8px;font-size:clamp(2rem,4vw,3rem);line-height:1.05}.contact-reasons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:28px 0 34px}.reason-card{display:grid;grid-template-columns:42px 1fr;gap:10px;align-items:start;min-height:116px;padding:18px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.reason-card span{display:grid;width:34px;height:34px;place-items:center;border-radius:8px;background:color-mix(in srgb,var(--brand) 10%,var(--surface-2));color:var(--brand);font:800 .62rem JetBrains Mono,monospace}.reason-card strong{display:block;margin-top:2px;font-size:.88rem}.reason-card p{grid-column:2;margin:-12px 0 0;color:var(--muted);font-size:.78rem;line-height:1.45}.contact-page .panel{padding:0;overflow:hidden}.contact-page .panel:before{content:"Send a Message";display:block;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface-2);color:var(--ink);font-size:.76rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.contact-page .contact-form,.contact-page .success-card,.contact-page .status{margin-right:20px;margin-left:20px}.contact-page .contact-form{padding-top:20px}.contact-page .field textarea{min-height:150px;background:var(--surface);font-family:inherit}.submit-button{width:100%;min-width:160px}.contact-page .submit-button{margin-bottom:4px}.submit-button:disabled{cursor:progress;opacity:.72}.success-card{display:grid;gap:4px;margin-bottom:16px;padding:16px;border:1px solid color-mix(in srgb,var(--ok) 35%,var(--line));border-radius:8px;background:color-mix(in srgb,var(--ok) 10%,var(--surface));color:var(--ok)}.success-card span{color:var(--muted)}.empty{padding:18px;border:1px dashed var(--line);border-radius:8px;color:var(--muted)}footer{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:22px 5vw;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}footer a{color:var(--brand);font-weight:800;text-decoration:none}footer a:hover{text-decoration:underline}@media (max-width: 980px){.main-nav{display:none}.hamburger{display:flex}.header-actions{margin-left:auto}.search{width:180px}.hero,.home-hero,footer{align-items:stretch;flex-direction:column}.layout,.workbench,.result-grid,.contact-grid,.contact-reasons{grid-template-columns:1fr}.tool-rail{position:static;max-height:none}}@media (max-width: 640px){.page{padding:22px 14px 54px}.home-hero{padding:20px}.home-hero h1{font-size:clamp(2.2rem,16vw,3.3rem)}.header-inner{gap:12px;padding:0 14px}.search{width:110px}.search:focus{width:160px}.theme-button{min-width:48px;padding-right:8px;padding-left:8px}.contact-button{min-width:58px;padding-right:8px;padding-left:8px}.panel{padding:14px}.field textarea,.preview{min-height:260px}}:root{font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:#172033;background:#f4f7fb;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px}button,textarea{font:inherit}button{cursor:pointer}