:root{--bg:#f4f7fb;--panel:#fff;--ink:#0d1c32;--muted:#5d6d84;--line:#dbe4ef;--accent:#2457d6;--accent2:#5d42d8;--soft:#edf3ff;--good:#087a50;--warn:#9a5a00;--danger:#a83232;--shadow:0 18px 48px rgba(25,43,72,.08);--radius:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 78% -5%,#e8edff 0,transparent 28%),linear-gradient(#f8faff,#f3f6fb);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.58;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.wrap{width:min(1160px,calc(100% - 36px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:14px;top:12px;z-index:999;background:#fff;border:1px solid var(--line);padding:10px 14px;border-radius:10px}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,249,253,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(219,228,239,.92)}.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.025em}.brand-mark{width:38px;height:38px;color:var(--accent)}.brand span small{display:block;color:var(--muted);font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.nav-links{display:flex;gap:8px}.nav-links a{padding:9px 12px;border-radius:11px;color:#475973;font-weight:700}.nav-links a:hover,.nav-links a:focus-visible{background:#fff;color:var(--ink);outline:3px solid rgba(36,87,214,.16)}.hero{padding:70px 0 44px}.eyebrow{display:inline-flex;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.85);color:var(--accent);font-size:.79rem;font-weight:800;text-transform:uppercase;letter-spacing:.055em}.hero h1,.tool-hero h1{letter-spacing:-.052em;line-height:1.02;margin:18px 0 18px}.hero h1{font-size:clamp(2.7rem,6vw,5rem);max-width:850px}.tool-hero h1{font-size:clamp(2.35rem,5vw,4.2rem);max-width:900px}.hero p,.tool-hero p{color:var(--muted);font-size:clamp(1.04rem,1.8vw,1.2rem);max-width:760px;margin:0}.hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:26px}.btn{border:0;border-radius:13px;padding:12px 17px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:780;cursor:pointer;transition:transform .16s,box-shadow .16s,background .16s}.btn:focus-visible{outline:3px solid rgba(36,87,214,.24);outline-offset:2px}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 10px 25px rgba(36,87,214,.22)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 32px rgba(36,87,214,.28)}.btn-secondary,.btn-quiet{background:#fff;border:1px solid var(--line);color:var(--ink)}.btn-small{padding:8px 11px;border-radius:10px;font-size:.84rem}.btn:disabled{opacity:.6;cursor:wait;transform:none}.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}.trust{background:rgba(255,255,255,.74);border:1px solid var(--line);padding:16px 18px;border-radius:16px}.trust strong{display:block}.trust span{color:var(--muted);font-size:.88rem}.section{padding:38px 0 72px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:22px}.section-head h2{margin:0;font-size:clamp(1.8rem,3vw,2.45rem);letter-spacing:-.035em}.section-head p{color:var(--muted);margin:.25rem 0 0;max-width:670px}.search{width:min(340px,100%);border:1px solid #cdd9e8;background:#fff;border-radius:13px;padding:12px 14px;outline:none}.search:focus{border-color:#86a2ef;box-shadow:0 0 0 4px rgba(36,87,214,.1)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.tool-card{background:#fff;border:1px solid var(--line);border-radius:19px;padding:22px;box-shadow:var(--shadow);transition:transform .16s,border-color .16s,box-shadow .16s}.tool-card:hover,.tool-card:focus-visible{transform:translateY(-2px);border-color:#bfcfea;box-shadow:0 22px 52px rgba(25,43,72,.11);outline:none}.tool-num{width:39px;height:39px;border-radius:12px;background:var(--soft);display:grid;place-items:center;color:var(--accent);font-weight:850;margin-bottom:17px}.tool-card h3{font-size:1.08rem;letter-spacing:-.018em;margin:0 0 7px}.tool-card p{color:var(--muted);font-size:.92rem;margin:0}.tool-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:15px}.pill{font-size:.72rem;font-weight:760;border-radius:999px;background:#f3f6fb;color:#52647e;padding:5px 8px}.tool-hero{padding:50px 0 24px}.breadcrumb{font-size:.84rem;color:var(--muted);margin-bottom:14px}.breadcrumb a{text-decoration:underline;text-decoration-color:#cbd5e4;text-underline-offset:3px}.workbench{padding:8px 0 40px}.layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(255px,.5fr);gap:20px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.panel-main{padding:25px}.panel-side{padding:20px;position:sticky;top:90px}.panel h2,.panel h3{letter-spacing:-.025em}.panel h2{margin:0 0 6px;font-size:1.36rem}.panel h3{margin:0 0 8px;font-size:1.02rem}.panel-side p,.panel-side li{color:var(--muted);font-size:.9rem}.panel-side ul{padding-left:18px}.field{margin-top:16px}.field:first-of-type{margin-top:0}.field label,.label{display:block;font-weight:760;margin-bottom:7px}.hint{display:block;color:var(--muted);font-size:.83rem;margin-top:6px}.input,.textarea,.select{width:100%;border:1px solid #cbd7e7;background:#fbfcff;color:var(--ink);border-radius:13px;padding:13px 14px;outline:none}.input:focus,.textarea:focus,.select:focus{border-color:#86a2ef;box-shadow:0 0 0 4px rgba(36,87,214,.1)}.textarea{min-height:160px;resize:vertical}.textarea.tall{min-height:250px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.form-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.check-row{display:flex;gap:10px;align-items:flex-start;padding:12px 13px;border:1px solid var(--line);border-radius:13px;background:#fbfcff}.check-row input{margin-top:4px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.status{display:none;margin-top:16px;padding:13px 15px;border-radius:13px}.status.show{display:block}.status.error{background:#fff1f1;border:1px solid #efc6c6;color:#8c2727}.status.info{background:#eef4ff;border:1px solid #cad9f6;color:#27477f}.result{display:none;margin-top:22px;border-top:1px solid var(--line);padding-top:22px}.result.show{display:block}.result-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:14px}.result-head h2{margin:1px 0 0;font-size:1.28rem}.result-kicker{font-size:.69rem;text-transform:uppercase;letter-spacing:.075em;color:var(--good);font-weight:850}.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:1px solid var(--line);border-radius:15px;overflow:hidden}.metric{padding:13px 15px;border-bottom:1px solid var(--line);min-width:0}.metric:nth-child(odd){border-right:1px solid var(--line)}.metric:nth-last-child(-n+2){border-bottom:0}.metric-label{display:block;color:var(--muted);font-size:.71rem;text-transform:uppercase;letter-spacing:.06em;font-weight:820;margin-bottom:4px}.metric-value{font-weight:760;word-break:break-word}.mono,code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:15px;margin-top:16px}table{width:100%;border-collapse:collapse;font-size:.87rem}caption{text-align:left;padding:11px 13px;color:var(--muted);font-weight:700;background:#fafcff;border-bottom:1px solid var(--line)}th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f6f9fd;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:#566880}tr:last-child td{border-bottom:0}.callout{display:flex;gap:12px;align-items:flex-start;margin-top:14px;background:#f5f8ff;border:1px solid #cfdbf2;border-radius:13px;padding:13px 14px}.callout strong{min-width:105px}.callout span{color:#4c607e}.callout-warn{background:#fff8ed;border-color:#ead6b5}.callout-warn strong{color:var(--warn)}.subsection{margin-top:22px}.subsection h3{margin-bottom:10px}.chip-list{display:flex;flex-wrap:wrap;gap:8px}.chip-list code{background:#f0f4fa;border:1px solid var(--line);border-radius:9px;padding:7px 9px}.registry-note,.muted{color:var(--muted);font-size:.83rem}.registry-note{margin-top:12px}.command-row{display:flex;justify-content:space-between;align-items:center;gap:12px;background:#101b2d;color:#edf3ff;border-radius:13px;padding:14px 16px;overflow:auto}.command-row code{color:inherit;white-space:pre-wrap;word-break:break-word}.command-row .btn{flex:0 0 auto}.stack{display:grid;gap:16px}.stack>.panel{padding:22px}.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}.content{padding:16px 0 72px}.content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}.content-card h2{margin-top:0}.content-card p,.content-card li{color:#53647c}.content-card a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.formula{background:#101b2d;color:#eaf1ff;border-radius:13px;padding:14px 16px;overflow:auto}.footer{border-top:1px solid var(--line);padding:28px 0 42px;color:var(--muted);font-size:.86rem}.footer-row{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.footer-links{display:flex;gap:14px;flex-wrap:wrap}.footer a:hover{text-decoration:underline}.search-status{color:var(--muted);font-size:.82rem;margin-top:8px}.notice{padding:13px 14px;border:1px solid var(--line);border-radius:13px;background:#f8faff;color:var(--muted)}
@media(max-width:920px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.layout{grid-template-columns:1fr}.panel-side{position:static}.trust-row{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.search{width:100%}.split{grid-template-columns:1fr}}
@media(max-width:640px){.wrap{width:min(100% - 20px,1160px)}.nav{height:64px}.brand span small{display:none}.nav-links a{display:none}.nav-links a:first-child{display:block}.hero{padding-top:48px}.grid{grid-template-columns:1fr}.form-grid,.form-grid.three{grid-template-columns:1fr}.metric-grid{grid-template-columns:1fr}.metric:nth-child(odd){border-right:0}.metric:nth-last-child(-n+2){border-bottom:1px solid var(--line)}.metric:last-child{border-bottom:0}.panel-main{padding:19px}.result-head{align-items:flex-start;flex-direction:column}.command-row{align-items:flex-start;flex-direction:column}.tool-hero{padding-top:38px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* V1.3 dense Network Desk */
.desk{padding:20px 0 72px}.desk-shell{display:grid;grid-template-columns:220px minmax(0,1fr);gap:18px;align-items:start}.tool-rail{position:sticky;top:86px;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow);max-height:calc(100vh - 104px);overflow:auto}.rail-title{padding:8px 10px 10px;font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:850}.rail-link{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;border-radius:11px;color:#52627a;font-size:.88rem;font-weight:720}.rail-link:hover,.rail-link:focus-visible,.rail-link.active{background:var(--soft);color:var(--accent);outline:none}.rail-link .rail-key{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.67rem;color:#8a98ab}.desk-content{min-width:0}.desk-intro{display:flex;align-items:end;justify-content:space-between;gap:18px;padding:6px 2px 16px;border-bottom:1px solid var(--line);margin-bottom:12px}.desk-intro h1{margin:0;font-size:clamp(1.75rem,3.4vw,2.7rem);letter-spacing:-.045em;line-height:1}.desk-intro p{margin:5px 0 0;color:var(--muted);max-width:720px}.desk-trust{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.trust-chip{font-size:.73rem;font-weight:800;color:#40516a;background:#fff;border:1px solid var(--line);padding:6px 9px;border-radius:999px;white-space:nowrap}.desk-tool{scroll-margin-top:92px;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:18px;margin:12px 0;padding:18px;box-shadow:0 12px 34px rgba(25,43,72,.055)}.desk-tool.wide{padding:20px}.tool-topline{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:13px}.tool-topline h2{margin:0;font-size:1.18rem;letter-spacing:-.025em}.tool-topline p{margin:2px 0 0;color:var(--muted);font-size:.88rem}.focus-link{font-size:.76rem;color:var(--accent);font-weight:800;white-space:nowrap;padding:5px 8px;border-radius:8px}.focus-link:hover{background:var(--soft)}.dense-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.dense-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.dense-field label{display:block;font-weight:790;font-size:.79rem;margin:0 0 5px}.dense-input,.dense-select,.dense-textarea{width:100%;border:1px solid #cbd8e8;border-radius:11px;background:#fbfcff;color:var(--ink);padding:10px 11px;outline:none;transition:border-color .15s,box-shadow .15s}.dense-textarea{min-height:96px;resize:vertical;line-height:1.42}.dense-textarea.medium{min-height:125px}.dense-input:focus,.dense-select:focus,.dense-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(36,87,214,.12)}.inline-check{display:flex;gap:9px;align-items:flex-start;font-size:.83rem;color:#41536e;margin-top:9px}.inline-check input{margin-top:3px}.mini-result{margin-top:12px;border-top:1px solid var(--line);padding-top:12px;min-height:44px}.mini-result.error{border-top-color:#efc6c6}.metric-grid.compact{grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:7px}.metric-grid.compact .metric{padding:9px 10px;border-radius:10px}.metric-grid.compact .metric-label{font-size:.66rem}.metric-grid.compact .metric-value{font-size:.92rem}.capacity-strip{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:10px 11px;border-radius:11px;margin:4px 0 9px;font-size:.82rem}.capacity-strip.good{background:#edf9f4;color:#126342;border:1px solid #c9eadc}.capacity-strip.bad{background:#fff3f2;color:#8c3030;border:1px solid #efc6c6}.tiny-action{border:0;background:#fff;color:var(--accent);font-weight:850;padding:5px 8px;border-radius:7px;cursor:pointer;box-shadow:0 1px 4px rgba(0,0,0,.08)}.mini-map{width:100%;height:38px;display:block;margin:8px 0 10px}.inline-error{color:var(--danger);font-weight:720;font-size:.86rem}.mini-note{color:var(--muted);font-size:.78rem;margin:9px 0 0}.desk-tool .table-wrap{margin-top:9px;max-height:330px}.desk-tool table{font-size:.78rem}.desk-tool th,.desk-tool td{padding:7px 8px}.rdap-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.rdap-row .btn{padding:10px 15px}.tool-group-label{margin:22px 2px 4px;font-size:.72rem;text-transform:uppercase;letter-spacing:.11em;color:#75849a;font-weight:900}.address-map{margin:14px 0}.map-labels{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:.73rem}.ok-text{color:var(--good)}.bad-text{color:var(--danger)}
@media(max-width:900px){.desk-shell{grid-template-columns:1fr}.tool-rail{position:sticky;top:72px;z-index:20;display:flex;gap:5px;overflow:auto;max-height:none;border-radius:13px;padding:7px}.rail-title{display:none}.rail-link{white-space:nowrap;flex:0 0 auto;padding:7px 9px}.rail-link .rail-key{display:none}.desk-intro{align-items:flex-start;flex-direction:column}.desk-trust{justify-content:flex-start}.dense-grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.wrap{width:min(100% - 20px,1160px)}.nav{height:62px}.brand span small{display:none}.nav-links a{padding:7px 8px;font-size:.82rem}.desk{padding-top:10px}.desk-tool{padding:14px;border-radius:15px}.dense-grid,.dense-grid.three{grid-template-columns:1fr}.tool-topline{gap:8px}.focus-link{font-size:.7rem}.metric-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.rdap-row{grid-template-columns:1fr}.rdap-row .btn{width:100%}.tool-rail{top:62px;margin-inline:-2px}.desk-intro h1{font-size:1.9rem}}
/* V1.3 polish */
.metric-grid.compact{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.metric-grid.compact .metric-value.mono{white-space:nowrap;font-size:.84rem;letter-spacing:-.025em}
@media(max-width:620px){.nav-links a{display:block}.nav-links a:last-child{display:none}.metric-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-grid.compact .metric-value.mono{white-space:normal}}
.metric-grid.compact{grid-template-columns:repeat(4,minmax(0,1fr));border:0;overflow:visible}
.metric-grid.compact .metric{border:1px solid var(--line)!important}
.metric-grid.compact .metric-value.mono{white-space:nowrap;font-size:.80rem}
@media(max-width:1100px){.metric-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:620px){.metric-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-grid.compact .metric-value.mono{white-space:normal;font-size:.84rem}}

/* V1.3.1 — explicit VLSM input flow */
.step-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:4px 0 14px}.step-line span{display:inline-flex;align-items:center;gap:7px;padding:6px 9px;border:1px solid var(--line);border-radius:999px;background:#f8faff;color:#53647c;font-size:.75rem;font-weight:760}.step-line b{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--accent);color:#fff;font-size:.68rem}.step-line-large{margin:12px 0 18px}.field-help{display:block;margin-top:5px;color:var(--muted);font-size:.73rem}.vlsm-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:12px}.ready-hint{color:var(--muted);font-size:.76rem}.btn-small{padding:8px 11px}.capacity-strip.neutral{background:#f6f8fc;color:#62728a;border:1px solid var(--line)}.dense-input::placeholder,.dense-textarea::placeholder,.input::placeholder,.textarea::placeholder{color:#8c9bb0;opacity:1}.btn:disabled{opacity:.48;cursor:not-allowed;box-shadow:none}.vlsm-actions .btn-primary:disabled:hover,.actions .btn-primary:disabled:hover{transform:none}.input-required-pulse{animation:inputPulse .55s ease}@keyframes inputPulse{0%,100%{box-shadow:none}50%{box-shadow:0 0 0 4px rgba(36,87,214,.16)}}@media (max-width:700px){.step-line{gap:6px}.step-line span{font-size:.7rem;padding:5px 7px}.vlsm-actions{align-items:stretch}.vlsm-actions .btn{width:100%}.vlsm-actions .ready-hint{width:100%}}

/* V1.3.2 — cache-safe VLSM visual hierarchy */
#vlsm .dense-grid{align-items:stretch}
#vlsm .dense-field{background:#f9fbff;border:1px solid var(--line);border-radius:14px;padding:13px}
#vlsm .dense-field label{font-size:.82rem;color:var(--ink)}
#vlsm .field-help{min-height:2.15em}
#vlsm .step-line{margin-top:2px;margin-bottom:12px}
#vlsm .step-line span{background:#fff;box-shadow:0 2px 8px rgba(25,43,72,.035)}
#vlsm .inline-check{background:#fbfcff;border:1px solid var(--line);border-radius:12px;padding:10px 11px}
#vlsm .vlsm-actions{padding-top:2px}
@media(max-width:620px){#vlsm .dense-field{padding:11px}#vlsm .field-help{min-height:0}}


/* V1.4.0 — Network Desk application shell */
:root{--navy:#091426;--navy2:#0f2038;--electric:#2f63f5;--cyan:#17a6a1;--canvas:#eef3f8;--surface:#ffffff;--surface2:#f7f9fc;--text:#0b1b31;--subtle:#617089;--stroke:#d9e2ee;--success:#0a7b55;--danger2:#a83333}
body{background:var(--canvas)}
.site-header{background:var(--navy);border:0;backdrop-filter:none;color:#fff}
.nav{height:64px;max-width:1480px}.brand-mark{color:#78a1ff}.brand span{color:#fff}.brand span small{color:#93a6c1}.nav-links a{color:#c7d3e3}.nav-links a:hover,.nav-links a:focus-visible{background:#172943;color:#fff;outline:2px solid #5f88ef}
.app-desk{padding:14px 0 36px}.app-desk>.wrap{width:min(1480px,calc(100% - 28px))}.desk-app-shell{display:grid;grid-template-columns:208px minmax(0,1fr);gap:14px;align-items:start}.app-sidebar{position:sticky;top:78px;background:var(--navy2);border-radius:16px;padding:10px;height:calc(100vh - 94px);overflow:auto;color:#dce6f4;box-shadow:0 14px 38px rgba(6,20,40,.12)}.nav-group{margin:7px 0 12px}.nav-group-title{padding:7px 9px 5px;font-size:.67rem;letter-spacing:.1em;text-transform:uppercase;color:#7f95b4;font-weight:850}.tool-nav-btn{appearance:none;border:0;background:transparent;color:#c6d2e2;width:100%;display:flex;align-items:center;justify-content:space-between;gap:9px;text-align:left;padding:9px 10px;border-radius:10px;font-weight:720;font-size:.84rem;cursor:pointer}.tool-nav-btn:hover,.tool-nav-btn:focus-visible{background:#162b49;color:#fff;outline:none}.tool-nav-btn.active{background:linear-gradient(135deg,#2e60ef,#4e6df4);color:#fff;box-shadow:0 7px 18px rgba(47,99,245,.22)}.tool-nav-btn small{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#7790b1;font-size:.64rem}.tool-nav-btn.active small{color:#dce6ff}.sidebar-note{margin:14px 8px 4px;padding-top:12px;border-top:1px solid #233954;color:#8fa3bf;font-size:.69rem;line-height:1.45}.app-main{min-width:0}.mobile-tool-switch{display:none}.workspace-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;background:var(--surface);border:1px solid var(--stroke);border-radius:16px;padding:15px 17px;margin-bottom:12px}.workspace-kicker{font-size:.67rem;letter-spacing:.1em;text-transform:uppercase;color:var(--electric);font-weight:900;margin-bottom:3px}.workspace-head h2{margin:0;font-size:clamp(1.5rem,2.3vw,2rem);letter-spacing:-.035em;line-height:1.08}.skip-heading{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.workspace-head p{margin:5px 0 0;color:var(--subtle);font-size:.88rem;max-width:720px}.workspace-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.quiet-link{display:inline-flex;align-items:center;min-height:38px;padding:8px 11px;border:1px solid var(--stroke);background:#fff;border-radius:10px;color:#35547d;font-size:.76rem;font-weight:800}.quiet-link:hover{border-color:#abc0df;background:#f6f9ff}.status-pill{display:inline-flex;align-items:center;gap:6px;font-size:.69rem;font-weight:820;color:#25654e;background:#eaf8f2;border:1px solid #c6e7d9;border-radius:999px;padding:6px 9px}.status-pill:before{content:"";width:7px;height:7px;border-radius:50%;background:#18a36d}.app-tool-panel[hidden]{display:none!important}.tool-workspace{display:grid;grid-template-columns:minmax(320px,.82fr) minmax(420px,1.18fr);gap:12px;align-items:start}.work-card{background:var(--surface);border:1px solid var(--stroke);border-radius:16px;min-width:0;overflow:hidden}.work-card-head{padding:13px 15px;border-bottom:1px solid var(--stroke);background:#fbfcfe}.work-card-head strong{font-size:.82rem}.work-card-head span{display:block;color:var(--subtle);font-size:.72rem;margin-top:2px}.work-card-body{padding:15px}.result-card{position:sticky;top:78px;min-height:430px;max-height:calc(100vh - 92px);overflow:auto}.result-empty{display:grid;place-items:center;min-height:330px;text-align:center;color:#77869b;padding:24px}.result-empty strong{display:block;color:#34465f;margin-bottom:4px}.result-surface{padding:15px}.result-surface>.mini-result{margin-top:0;border-top:0;padding-top:0;min-height:0}.tool-fields{display:grid;gap:13px}.field-label{display:flex;justify-content:space-between;gap:10px;align-items:end;margin-bottom:6px;font-size:.78rem;font-weight:820}.field-label small{font-weight:650;color:var(--subtle);font-size:.68rem}.app-input,.app-select,.app-textarea{width:100%;border:1px solid #c7d4e5;background:#fff;color:var(--text);border-radius:11px;padding:11px 12px;outline:none;font-size:16px}.app-input:focus,.app-select:focus,.app-textarea:focus{border-color:var(--electric);box-shadow:0 0 0 3px rgba(47,99,245,.12)}.app-textarea{min-height:130px;resize:vertical;line-height:1.45}.app-textarea.tall{min-height:190px}.field-note{display:block;color:var(--subtle);font-size:.72rem;margin-top:5px}.inline-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:3px}.btn-app{border:0;border-radius:10px;padding:10px 13px;min-height:42px;font-weight:820;cursor:pointer}.btn-app.primary{background:var(--electric);color:#fff;box-shadow:0 7px 16px rgba(47,99,245,.18)}.btn-app.secondary{background:#f5f7fb;border:1px solid var(--stroke);color:#223650}.btn-app:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.example-link{border:0;background:transparent;color:var(--electric);font-size:.75rem;font-weight:820;padding:5px 0;cursor:pointer}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:10px}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.check-box{display:flex;gap:9px;align-items:flex-start;padding:10px 11px;background:#f8fafe;border:1px solid var(--stroke);border-radius:11px;font-size:.76rem;color:#40516b}.check-box input{margin-top:3px}.result-card .metric-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr))}.result-card .metric{background:#fbfcfe}.result-card .table-wrap{max-height:none}.output-title{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:#78889e;font-weight:900;margin:0 0 10px}.split-mode{display:flex;gap:6px;margin-bottom:12px}.mode-btn{border:1px solid var(--stroke);background:#f7f9fc;color:#53657d;border-radius:9px;padding:8px 10px;font-size:.74rem;font-weight:800;cursor:pointer}.mode-btn.active{background:#eaf0ff;border-color:#aebfec;color:#2454ca}.app-footer-note{margin:12px 2px 0;color:#7a899e;font-size:.7rem}.mobile-tool-tabs{display:none}
@media(max-width:1050px){.desk-app-shell{grid-template-columns:178px minmax(0,1fr)}.tool-workspace{grid-template-columns:minmax(280px,.9fr) minmax(360px,1.1fr)}.result-card .metric-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:820px){.app-desk{padding-top:8px}.app-desk>.wrap{width:min(100% - 18px,900px)}.desk-app-shell{display:block}.app-sidebar{display:none}.mobile-tool-switch{display:flex;position:sticky;top:64px;z-index:25;background:rgba(238,243,248,.96);backdrop-filter:blur(10px);padding:7px 0 9px;gap:8px}.mobile-tool-switch label{position:absolute;left:-9999px}.mobile-tool-switch select{width:100%;background:#fff;border:1px solid var(--stroke);border-radius:11px;padding:10px 12px;font-size:16px;color:var(--text)}.workspace-head{padding:13px 14px;margin-bottom:9px}.workspace-actions .status-pill{display:none}.tool-workspace{grid-template-columns:1fr}.result-card{position:static;min-height:0;max-height:none}.result-empty{min-height:180px}.work-card-body{padding:13px}.workspace-head p{font-size:.82rem}.workspace-head h2{font-size:1.45rem}.quiet-link{min-height:36px;padding:7px 9px}.app-footer-note{margin-bottom:10px}}
@media(max-width:560px){.nav{height:58px}.mobile-tool-switch{top:58px}.nav-links{display:none}.brand-mark{width:34px;height:34px}.brand span{font-size:.9rem}.workspace-head{display:block}.workspace-actions{justify-content:flex-start;margin-top:10px}.tool-workspace{gap:9px}.two-col,.three-col{grid-template-columns:1fr}.inline-actions .btn-app{width:100%}.result-card .metric-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.result-card .metric-value{font-size:.86rem}.work-card{border-radius:13px}.work-card-head{padding:11px 12px}.work-card-body,.result-surface{padding:12px}.app-textarea{min-height:120px}.app-textarea.tall{min-height:165px}.footer{padding-bottom:28px}}

/* V1.4 focused-page density: the tool, not the hero, gets the screen */
.tool-hero{padding:24px 0 12px}.tool-hero h1{font-size:clamp(1.85rem,3.6vw,2.8rem);margin:8px 0 8px;line-height:1.04}.tool-hero p{font-size:.96rem;max-width:760px}.tool-hero .breadcrumb{margin-bottom:8px}.tool-hero .eyebrow{padding:5px 8px;font-size:.68rem}.workbench{padding-top:6px}.btn-app{min-height:44px}
@media(max-width:560px){.tool-hero{padding:17px 0 9px}.tool-hero h1{font-size:1.8rem}.tool-hero p{font-size:.88rem}.breadcrumb{font-size:.76rem}.workbench{padding-top:2px}}
/* V1.4.0 final spatial polish */
.site-header .wrap{width:min(1480px,calc(100% - 28px))}.brand span{white-space:nowrap}.status-pill,.quiet-link{white-space:nowrap}.result-card{min-height:260px}.result-empty{min-height:210px}.workspace-head{padding:13px 15px}.workspace-actions{align-self:center}
@media(max-width:820px){.site-header .wrap{width:min(100% - 18px,900px)}.result-card{min-height:0}.result-empty{min-height:150px}.workspace-actions{align-self:auto}}