:root{
  /* Light theme defaults (richer accents) */
  --bg:#f7fafc; /* slightly warmer */
  --card:#ffffff;
  --text:#0f172a;
  --muted:#475569; /* a touch deeper than before */
  --primary:#16a34a; /* green */
  --secondary:#94a3b8; /* slate */
  --border:#dfe7ef; /* lighter border for contrast */
  /* Accents for light mode */
  --accent:#3b82f6; /* blue accent */
  --accent-fg:#1e3a8a; /* readable on light */
  --accent-weak-bg: rgba(59,130,246,.12);
  --accent-weak-border: rgba(59,130,246,.35);
  --focus-ring: rgba(59,130,246,.25);
  /* Subtle brand tint */
  --brand-bg: rgba(16,185,129,.10);
  --btn-fg:#166534; --secondary-fg:#334155;
  --badge-fg:#166534; --badge-bg:rgba(22,163,74,.14); --badge-border:rgba(22,163,74,.38);
}
/* Respect OS dark mode by default */
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1220; --card:#0f172a; --text:#e5e7eb; --muted:#9ca3af; --primary:#22c55e; --secondary:#334155; --border:#1f2937;
    --brand-bg: rgba(15,23,42,.35); --btn-fg:#bbf7d0; --secondary-fg:#cbd5e1; --badge-fg:#86efac; --badge-bg:rgba(34,197,94,.15); --badge-border:rgba(34,197,94,.35);
    /* Dark mode accents for clarity */
    --accent:#60a5fa; /* blue-400 */
    --accent-fg:#dbeafe; /* blue-100 for text */
    --accent-weak-bg: rgba(96,165,250,.18);
    --accent-weak-border: rgba(96,165,250,.45);
    --focus-ring: rgba(96,165,250,.3);
  }
}
/* Forced theme via attribute */
[data-theme="dark"]{
  --bg:#0b1220; --card:#0f172a; --text:#e5e7eb; --muted:#9ca3af; --primary:#22c55e; --secondary:#334155; --border:#1f2937;
  --brand-bg: rgba(15,23,42,.35); --btn-fg:#bbf7d0; --secondary-fg:#cbd5e1; --badge-fg:#86efac; --badge-bg:rgba(34,197,94,.15); --badge-border:rgba(34,197,94,.35);
  --accent:#60a5fa; --accent-fg:#dbeafe; --accent-weak-bg: rgba(96,165,250,.18); --accent-weak-border: rgba(96,165,250,.45); --focus-ring: rgba(96,165,250,.3);
}
[data-theme="light"]{
  --bg:#f7fafc; --card:#ffffff; --text:#0f172a; --muted:#475569; --primary:#16a34a; --secondary:#94a3b8; --border:#dfe7ef;
  --accent:#3b82f6; --accent-fg:#1e3a8a; --accent-weak-bg: rgba(59,130,246,.12); --accent-weak-border: rgba(59,130,246,.35); --focus-ring: rgba(59,130,246,.25);
  --brand-bg: rgba(16,185,129,.10);
  --btn-fg:#166534; --secondary-fg:#334155;
  --badge-fg:#166534; --badge-bg:rgba(22,163,74,.14); --badge-border:rgba(22,163,74,.38);
}
*{box-sizing:border-box}
html,body{height:100%}
html{background:var(--bg)}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5;font-size:16px;}
.topbar{position:sticky;top:0;z-index:10;background:var(--bg);backdrop-filter:saturate(120%) blur(6px);border-bottom:1px solid var(--border)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:calc(10px + env(safe-area-inset-top, 0)) 0 10px 0}
/* Extra breathing room when running as an installed app */
@media (display-mode: standalone){
  /* Push whole document below the iOS status bar safe area */
  body{padding-top: constant(safe-area-inset-top); padding-top: calc(env(safe-area-inset-top) + 8px)}
  /* Ensure sticky header never slides under the iOS status bar while scrolling */
  .topbar{top: constant(safe-area-inset-top); top: env(safe-area-inset-top)}
  .topbar-inner{padding:calc(22px + env(safe-area-inset-top, 0)) 0 12px 0}
}
.brand-group{display:flex;align-items:center;gap:8px}
.brand{font-weight:700;letter-spacing:.5px;color:inherit;text-decoration:none;font-size:18px;padding:6px 10px;border-radius:10px;border:1px solid var(--border);background:var(--brand-bg);-webkit-tap-highlight-color:transparent}
.lang-nav{display:flex;gap:8px;align-items:center}
.lang-select{-webkit-appearance:none;appearance:none;background:var(--card);color:var(--text);border:1px solid var(--border);padding:6px 10px;border-radius:10px}
.lang-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--focus-ring)}
.theme-toggle{color:#eab308;border:1px solid #a16207;background:rgba(234,179,8,.12);padding:6px 10px;border-radius:10px;cursor:pointer;-webkit-appearance:none;appearance:none}
.theme-toggle:hover{background:rgba(234,179,8,.2)}
.lang:hover{background:rgba(29,78,216,.15)}
.container{max-width:720px;margin:0 auto;padding:clamp(12px,4vw,24px);}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:16px;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.title{margin:0 0 8px 0;font-size:clamp(22px,4vw,28px)}
.subtitle{margin:0 0 12px 0;font-size:clamp(18px,3.2vw,22px);color:var(--muted)}
.ip{font-variant-numeric:tabular-nums;font-size:clamp(24px,6vw,40px);word-break:break-all;line-height:1.1}
.ip-row{display:flex;align-items:center;justify-content:flex-start;gap:12px;flex-wrap:wrap}
.ip-row .ip{flex:0 1 auto}
.meta{margin-top:8px}
.badge{display:inline-flex;align-items:center;background:var(--badge-bg);color:var(--badge-fg);border:1px solid var(--badge-border);padding:6px 10px;border-radius:999px;font-size:14px;line-height:1}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.actions .btn{width:100%}
.btn{-webkit-appearance:none;appearance:none;border:1px solid var(--primary);background:rgba(34,197,94,.14);color:var(--btn-fg);padding:10px 14px;border-radius:10px;font-weight:600;cursor:pointer;font-size:16px;transition:background-color .15s ease,border-color .15s ease,box-shadow .15s ease}
.btn:hover{background:rgba(34,197,94,.22)}
/* Use accent for secondary actions when available */
.btn-secondary{border-color:var(--secondary);background:rgba(148,163,184,.14);color:var(--secondary-fg)}
.btn-secondary:hover{background:rgba(148,163,184,.22)}
/* Accent variant */
.btn-accent{border-color:var(--accent);background:var(--accent-weak-bg);color:var(--accent-fg)}
.btn-accent:hover{filter:brightness(1.05)}

/* Loading state for buttons */
.btn.loading{opacity:.85;pointer-events:none}
.btn.loading::after{content:"";display:inline-block;width:1em;height:1em;margin-left:8px;border-radius:50%;border:2px solid currentColor;border-right-color:transparent;animation:spin .8s linear infinite;vertical-align:-.15em}
@keyframes spin{to{transform:rotate(360deg)}}
.kv{list-style:none;padding:0;margin:0}
.kv li{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--border)}
.kv .k{color:var(--muted);min-width:140px;flex:0 0 140px}
.kv .v{flex:1;word-break:break-word}
@media (max-width:540px){.kv .k{min-width:96px;flex:0 0 96px}}

/* Lookup form styling */
.lookup{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.lookup-input{flex:1;min-width:240px;max-width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:var(--bg);color:var(--text);outline:none;-webkit-appearance:none;appearance:none;background-clip:padding-box;font:inherit;line-height:1.2;-webkit-tap-highlight-color:transparent;font-size:16px}
.lookup-input::placeholder{color:#64748b}
.lookup-input:focus{border-color:#22c55e;box-shadow:0 0 0 3px rgba(34,197,94,.25)}
.lookup-input::-webkit-input-placeholder{color:#64748b}
.lookup-input:-webkit-autofill{box-shadow:0 0 0px 1000px var(--bg) inset;-webkit-box-shadow:0 0 0px 1000px var(--bg) inset;-webkit-text-fill-color:var(--text);}

/* Older Safari flex-gap fallback */
@supports not (gap: 10px){
  .lookup{margin-right:-10px}
  .lookup > *{margin-right:10px;margin-bottom:10px}
}

/* Mobile: when button wraps, make it full width */
@media (max-width: 480px){
  .lookup .btn{flex:1 1 100%;width:100%}
}

/* Spacing between IP and lookup input */
.ip-row{margin-bottom:8px}

/* Neutralize iOS auto-linked phone numbers just in case */
a[href^="tel:"]{color:inherit;text-decoration:none;pointer-events:none;cursor:default}