:root{--bg:#0f1115;--card:#12151c;--fg:#f5f7fa;--mut:#a3a9b6;--acc:#4ade80}
*{box-sizing:border-box}
html{color-scheme:dark light}
body{margin:0;background:#0f1115;color:var(--fg);font:16px/1.55 system-ui,Segoe UI,Roboto,Arial;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:inherit}
.wrap{max-width:960px;margin:auto;padding:16px}
header.nav{display:flex;justify-content:space-between;align-items:center;padding:14px 0;flex-wrap:wrap;gap:12px}
.logo{font-weight:800;letter-spacing:.3px}
nav{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:center}
nav a{opacity:.9;text-decoration:none}
nav a:hover{opacity:1;text-decoration:underline}
.hero h1{font-size:clamp(28px,5vw,44px);margin:8px 0 6px;line-height:1.2}
.hero p{color:var(--mut);margin:0 0 14px}
.card{background:var(--card);border-radius:14px;padding:16px;box-shadow:0 4px 24px rgba(0,0,0,.25)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.label{color:var(--mut);font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.value{font-size:18px;word-break:break-word}
.value.mono{font-family:ui-monospace,Consolas,Menlo,monospace;word-break:break-all}
.actions{margin-top:10px}
button{background:var(--acc);border:0;border-radius:10px;padding:10px 14px;color:#052;cursor:pointer;font-size:15px;font-weight:500;transition:transform .1s}
button:hover{opacity:.92}
button:active{transform:translateY(1px)}
.note{color:var(--mut);font-size:14px;margin-top:8px}
footer{opacity:.85;margin:32px auto}
h2{margin:18px 0 10px;font-size:clamp(20px,3vw,26px)}
ul.inline{padding-left:18px}
hr{border:0;border-top:1px solid rgba(255,255,255,.08);margin:24px 0}
.light{color:var(--mut)}
.article{line-height:1.7}
.article h1{margin:10px 0}
.article time{color:var(--mut);font-size:14px}
.article .meta{margin:6px 0 16px}
.breadcrumbs{font-size:14px;color:var(--mut);margin-bottom:10px}

/* Tools dropdown */
.tools{position:relative;display:inline-block}
.tools>button{background:none;border:none;color:inherit;padding:0;font:inherit;cursor:pointer;transition:opacity .2s ease;opacity:.9}
.tools>button:hover{opacity:1}
.tools-menu{position:absolute;top:120%;left:0;background:var(--card,#12151c);border:1px solid rgba(255,255,255,.1);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.3);padding:8px;display:none;z-index:50;min-width:200px}
.tools-menu a{display:block;padding:8px 10px;text-decoration:none;border-radius:6px;white-space:nowrap}
.tools-menu a:hover{background:rgba(255,255,255,.08)}
.tools:hover .tools-menu{display:block}
.tools.open .tools-menu{display:block}
@media (hover:none){.tools:hover .tools-menu{display:none}.tools.open .tools-menu{display:block}}

/* Responsive mobile nav */
@media (max-width:640px){
  header.nav{flex-direction:column;align-items:flex-start}
  nav{width:100%;justify-content:flex-start}
  .grid{grid-template-columns:1fr}
}

/* Reserve space to reduce CLS */
#ip-info,.ip-card,.results{min-height:180px}

/* Performance optimizations */
img{height:auto;max-width:100%}

/* Table styling for comparison tables */
table.compare{width:100%;border-collapse:collapse;margin:16px 0}
table.compare th,table.compare td{text-align:left;padding:10px;border-bottom:1px solid rgba(255,255,255,.08)}
table.compare th{color:var(--mut);font-weight:600;text-transform:uppercase;font-size:12px;letter-spacing:.06em}
table.compare code{background:rgba(255,255,255,.08);padding:2px 6px;border-radius:4px;font-family:ui-monospace,Consolas,Menlo,monospace}