:root {
  --bg: #fff; --bg-soft: #f8f9fb; --bg-card: #fff; --bg-hover: #eef1f5;
  --text: #1a1a1a; --text-soft: #57606a; --text-muted: #8b949e;
  --border: #e1e4e8; --border-strong: #d8dce0;
  --shadow: 0 1px 4px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
}
[data-theme="dark"] {
  --bg: #0d1117; --bg-soft: #161b22; --bg-card: #161b22; --bg-hover: #21262d;
  --text: #e6edf3; --text-soft: #c9d1d9; --text-muted: #8b949e;
  --border: #30363d; --border-strong: #444c56;
  --shadow: 0 1px 4px rgba(0,0,0,0.4), 0 4px 12px rgba(0,0,0,0.3);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1117; --bg-soft: #161b22; --bg-card: #161b22; --bg-hover: #21262d;
    --text: #e6edf3; --text-soft: #c9d1d9; --text-muted: #8b949e;
    --border: #30363d; --border-strong: #444c56;
    --shadow: 0 1px 4px rgba(0,0,0,0.4), 0 4px 12px rgba(0,0,0,0.3);
  }
}
.ts-wrap { position: relative; margin-left: auto; align-self: center; z-index: 100; margin-top: -6px; }
.ts-btn { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border-strong); background: var(--bg-card); color: var(--text); display: flex; align-items: center; justify-content: center; cursor: pointer; padding: 0; transition: background 0.15s, transform 0.15s; -webkit-tap-highlight-color: transparent; }
.ts-btn:hover { background: var(--bg-hover); }
.ts-btn:active { transform: scale(0.96); }
.ts-btn svg { width: 14px; height: 14px; stroke: currentColor; }
.ts-menu { position: absolute; top: 44px; right: 0; min-width: 148px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow); padding: 4px; display: none; }
.ts-menu.open { display: block; }
.ts-item { display: flex; align-items: center; gap: 10px; width: 100%; padding: 8px 12px; background: transparent; border: none; color: var(--text); font: inherit; font-size: 14px; border-radius: 6px; cursor: pointer; text-align: left; -webkit-tap-highlight-color: transparent; }
.ts-item:hover { background: var(--bg-hover); }
.ts-item svg { width: 16px; height: 16px; stroke: currentColor; flex-shrink: 0; }
.ts-item[aria-current="true"] { background: var(--bg-hover); font-weight: 500; }
@media (max-width: 480px) {
  .ts-btn { width: 26px; height: 26px; }
  .ts-btn svg { width: 13px; height: 13px; }
}
body { background: var(--bg) !important; color: var(--text) !important; }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { overflow-y: scroll; }
body { font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--bg-card); color: var(--text); min-height: 100vh; line-height: 1.6; }
.container { max-width: 1000px; margin: 0 auto; padding: 24px 20px; }

.nav { display: flex; gap: 20px; margin-bottom: 20px; font-size: 0.9em; align-items: center; }
.nav a { color: var(--text-soft); text-decoration: none; padding-bottom: 4px; border-bottom: 2px solid transparent; -webkit-tap-highlight-color: transparent; outline: none; display: inline-block; line-height: 1.5; white-space: nowrap; flex-shrink: 0; }
.nav a:hover { color: var(--text); }
.nav a:focus, .nav a:active { outline: none; }
.nav a.active { color: var(--text); font-weight: 600; border-bottom: 2px solid var(--text); }
.nav .short { display: none; }
.nav .shortest { display: none; }

@media (max-width: 580px) { .nav .pc-only-new { display: none; } }
@media (max-width: 580px) { .nav .full { display: none; } .nav .short { display: inline; } .nav { gap: 14px; } }
@media (max-width: 399px) {
  .nav a[href="/google/"] .short { display: none; }
  .nav a[href="/google/"] .shortest { display: inline; }
  .nav { gap: 12px; }
  .ts-btn { width: 24px; height: 24px; }
  .ts-btn svg { width: 12px; height: 12px; }
}

h1 { font-size: 1.8em; margin-bottom: 6px; font-weight: 700; }
.desc { color: var(--text-soft); font-size: 0.92em; margin-bottom: 20px; }

.ip-dual { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin-bottom: 24px; }
.ip-hero { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; box-shadow: var(--shadow); position: relative; }
.ip-hero .label { font-size: 0.82em; color: var(--text-muted); margin-bottom: 6px; font-weight: 600; display: flex; align-items: center; }
.ip-hero .ip-addr { font-size: 1.35em; font-weight: 700; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; letter-spacing: -0.5px; display: flex; align-items: center; gap: 8px; }
.ip-hero .ip-addr img { width: 24px; height: 16px; border-radius: 2px; vertical-align: -2px; }
.ip-hero .ip-geo { font-size: 0.85em; color: var(--text-soft); margin-top: 6px; min-height: 1.3em; }

.ip-truncate { display: inline-block; max-width: 175px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom; }
@media (max-width: 480px) { .ip-truncate { max-width: 120px; font-size: 0.78em; } }
.ipv6-warn { background: #fef3c7; color: #92400e; padding: 10px 16px; border-radius: 8px; font-size: 0.85em; margin-bottom: 16px; display: none; }
.reading-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 24px; }
.reading-grid a { color: var(--text-soft); text-decoration: none; font-size: 0.92em; font-weight: 500; padding: 4px 0; }
.reading-grid a:hover { text-decoration: underline; color: var(--text); }
@media (max-width: 480px) { .reading-grid { grid-template-columns: 1fr; } }
.history-grid .risk-row { display: inline-flex; width: 48%; margin-right: 2%; padding: 8px 0; }
@media (max-width: 480px) { .history-grid .risk-row { width: 100%; margin-right: 0; } }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 14px; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  box-shadow: var(--shadow);
}
.card-title { font-size: 0.82em; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 14px; }

.risk-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); gap: 12px; }
#propsContent .risk-row,
#securityContent .risk-row,
#googleRegionSupportRow.risk-row,
#googleAvailContent .risk-row,
#dnsLeakContent .risk-row,
#udpLeakContent .risk-row { height: 46px; box-sizing: border-box; }

.trust-score-card .trust-score-filler,
.trust-score-card .trust-score-spacer { display: none; }
#googleRegionSupportRow { margin-top: 12px; }
@media (min-width: 720px) {
  .trust-score-card { display: flex; flex-direction: column; }
  .trust-score-card .trust-score-filler { display: block; flex: 1; }
  #googleRegionSupportRow { margin-top: 0; }
  #googleRegionSupportRow.risk-row { border-top: 1px solid var(--border); border-bottom: none; }
}
.risk-label { flex-shrink: 1; min-width: 0; color: var(--text-soft); font-size: 0.92em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.risk-value { text-align: right; flex-shrink: 0; font-weight: 600; font-size: 0.92em; white-space: nowrap; }
.dev-long { font-size: 0.78em; word-break: break-all; line-height: 1.4; max-width: 60%; white-space: normal; }
.risk-row:last-child { border-bottom: none; }

.tag { display: inline-block; padding: 2px 10px; border-radius: 10px; font-size: 0.82em; font-weight: 600; white-space: nowrap; flex-shrink: 0; }
.tag-safe { background: #d1fae5; color: #065f46; }
.tag-safe-dark { background: #a7f3d0; color: #064e3b; }
.tag-warn { background: #fef3c7; color: #92400e; }
.tag-danger { background: #fce4ec; color: #c62828; }
.tag-info { background: #dbeafe; color: #1d4ed8; }
.tag-neutral { background: #e5e7eb; color: var(--text-soft); }

.tip-wrap { position: relative; cursor: help; font-size: 0.85em; color: var(--text-muted); }
.tip-text {
  display: none; position: absolute; left: 50%; transform: translateX(-50%); top: 1.8em;
  background: #333; color: #fff; font-size: 0.82rem; font-weight: 400;
  padding: 8px 12px; border-radius: 6px; width: 260px; line-height: 1.5;
  z-index: 10; text-transform: none; letter-spacing: 0;
}
.tip-wrap:hover .tip-text { display: block; }

/* Score gauge */
.gauge-wrap { text-align: center; padding: 10px 0; }
.gauge-bar { width: 100%; height: 10px; border-radius: 5px; background: linear-gradient(90deg, #c0392b 0%, #e17055 25%, #f0c040 50%, #6fcf7c 75%, #1b8a2d 100%); position: relative; margin: 12px 0 6px; }
.gauge-pointer { position: absolute; top: -6px; width: 4px; height: 22px; background: var(--text); border-radius: 2px; transform: translateX(-50%); box-shadow: 0 0 0 1px var(--bg); }
.gauge-labels { display: flex; justify-content: space-between; font-size: 0.72em; color: var(--text-muted); }
.gauge-score { font-size: 1.5em; font-weight: 700; }
.gauge-text { font-size: 0.85em; color: var(--text-soft); margin-top: 2px; }

.loading-bar {
  display: inline-block; height: 14px; border-radius: 4px;
  background-color: #e5e7eb; overflow: hidden; position: relative;
}
.loading-bar::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, #d1d5db, transparent);
  animation: shimmer 1.5s linear infinite; will-change: transform;
}
@keyframes shimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }

footer { text-align: center; padding: 30px 0 20px; color: var(--text-muted); font-size: 0.82em; }
footer a { color: var(--text-muted); text-decoration: none; }

@media (max-width: 480px) {
  .pc-only { display: none !important; }
  .container { padding: 14px 12px; }
  h1 { font-size: 1.4em; }
  .ip-dual { grid-template-columns: 1fr !important; }
  .ip-hero { padding: 18px 20px; }
  .ip-hero .ip-addr { font-size: 1.1em; }
  .cards { grid-template-columns: 1fr; }
  .card { padding: 16px 18px; }
  .dev-long { max-width: 55%; font-size: 0.72em; }
}

.region-warn {
  margin: 14px auto 4px; max-width: 92%;
  padding: 10px 14px;
  background: #fff1f1;
  border: 1.5px solid #f5b5b5;
  border-radius: 8px;
  color: #b91c1c;
  font-weight: 700;
  font-size: 0.95em;
  line-height: 1.45;
  text-align: center;
  box-shadow: 0 1px 3px rgba(220,38,38,0.08);
}
.region-warn.safe {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #15803d;
}
.region-warn .icon { margin-right: 6px; }

.ip-addr .ip-link,
.ip-addr a.ip-link,
.history-grid .ip-link,
.history-grid a.ip-link {
  color: inherit; cursor: pointer;
  font: inherit; background: none; border: 0; padding: 0;
}
.ip-addr .ip-link { text-decoration: none; }
.ip-addr .ip-link:hover {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.history-grid .ip-link {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: #c8ccd1;
}
.history-grid .ip-link:hover {
  text-decoration-color: var(--text-soft);
}

.ip-section-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
  margin-bottom: 16px;
}
.ip-section-header .desc { margin: 0; flex: 1 1 auto; min-width: 0; }
.ip-mask-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  cursor: pointer; user-select: none;
  font-size: 0.80em; color: var(--text-muted);
  flex-shrink: 0;
}
.ip-mask-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.ip-mask-toggle-slider {
  position: relative; display: inline-block;
  width: 26px; height: 14px;
  background: #d8dce0; border-radius: 7px;
  transition: background 0.2s ease;
  flex-shrink: 0;
}
.ip-mask-toggle-slider::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 10px; height: 10px;
  background: var(--bg-card); border-radius: 50%;
  transition: transform 0.2s ease;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.ip-mask-toggle input:checked + .ip-mask-toggle-slider { background: #34c759; }
.ip-mask-toggle input:checked + .ip-mask-toggle-slider::after { transform: translateX(12px); }
.ip-mask-toggle input:focus-visible + .ip-mask-toggle-slider { outline: 2px solid #34c759; outline-offset: 2px; }
@media (max-width: 720px) {
  .ip-mask-toggle { display: none !important; }
}

.nav-more{position:relative;display:inline-flex;align-items:center}.nav-more-trigger{cursor:pointer;display:inline-flex;align-items:center;gap:3px;color:var(--text-soft,#666);line-height:1.5;border-bottom:2px solid transparent;padding-bottom:4px;white-space:nowrap}.nav-more:hover .nav-more-trigger{color:var(--text,#1a1a1a)}.nav-more-arrow{transition:transform .15s}.nav-more:hover .nav-more-arrow{transform:rotate(180deg)}.nav-more-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);margin-top:2px;background:var(--bg-card,#fff);border:1px solid var(--border,#e1e4e8);border-radius:9px;box-shadow:0 4px 16px rgba(0,0,0,0.12);padding:5px;min-width:120px;opacity:0;visibility:hidden;transition:opacity .15s;z-index:300}.nav-more:hover .nav-more-menu{opacity:1;visibility:visible}.nav-more-menu a{display:block;padding:8px 12px;border-radius:6px;border-bottom:none !important;white-space:nowrap;color:var(--text,#1a1a1a);font-size:0.95em}.nav-more-menu a:hover{background:var(--bg-hover,#eef1f5)}.nav-more-menu::before{content:"";position:absolute;left:-12px;right:-12px;top:-18px;height:18px}.nav-more-menu{transition:opacity .15s ease,visibility 0s linear .35s}.nav-more:hover .nav-more-menu{transition:opacity .15s ease,visibility 0s}