/* XP Address — Linear design system, dual theme */
:root, [data-theme="dark"] {
  --bg: #08090a;
  --panel: #0f1011;
  --surface: #191a1b;
  --surface-2: #28282c;
  --ink: #f7f8f8;
  --ink-2: #d0d6e0;
  --ink-3: #8a8f98;
  --ink-4: #62666d;
  --brand: #5e6ad2;
  --brand-2: #7170ff;
  --brand-3: #828fff;
  --brand-soft: rgba(113, 112, 255, 0.10);
  --brand-soft-2: rgba(113, 112, 255, 0.06);
  --green: #10b981;
  --green-soft: rgba(16, 185, 129, 0.08);
  --green-line: rgba(16, 185, 129, 0.25);
  --amber: #b9a34a;
  --amber-soft: rgba(234, 179, 8, 0.06);
  --amber-line: rgba(234, 179, 8, 0.22);
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.05);
  --line-strong: rgba(255, 255, 255, 0.14);
  --btn-bg: rgba(255, 255, 255, 0.02);
  --btn-bg-2: rgba(255, 255, 255, 0.05);
  --hover: rgba(255, 255, 255, 0.04);
  --nav-bg: rgba(8, 9, 10, 0.85);
  --map-bg: #0c0d0e;
  --map-filter: brightness(0.55) invert(1) contrast(2.6) hue-rotate(200deg) saturate(0.35) brightness(0.72);
  --shadow: rgba(0, 0, 0, 0.4) 0px 8px 24px;
  --thumb: rgba(255, 255, 255, 0.12);
  --hero-grad: linear-gradient(120deg, #f7f8f8 20%, #b9bdf0 75%, #828fff);
}
[data-theme="light"] {
  --bg: #f7f8f8;
  --panel: #ffffff;
  --surface: #ffffff;
  --surface-2: #ffffff;
  --ink: #1a1b1f;
  --ink-2: #45474f;
  --ink-3: #71757e;
  --ink-4: #a6aab2;
  --brand: #5e6ad2;
  --brand-2: #5e6ad2;
  --brand-3: #4f59c4;
  --brand-soft: rgba(94, 106, 210, 0.09);
  --brand-soft-2: rgba(94, 106, 210, 0.05);
  --green: #10b981;
  --green-soft: rgba(16, 185, 129, 0.09);
  --green-line: rgba(16, 185, 129, 0.3);
  --amber: #8a6d1a;
  --amber-soft: rgba(234, 179, 8, 0.10);
  --amber-line: rgba(234, 179, 8, 0.35);
  --line: rgba(0, 0, 0, 0.10);
  --line-2: rgba(0, 0, 0, 0.06);
  --line-strong: rgba(0, 0, 0, 0.16);
  --btn-bg: rgba(0, 0, 0, 0.02);
  --btn-bg-2: rgba(0, 0, 0, 0.05);
  --hover: rgba(0, 0, 0, 0.04);
  --nav-bg: rgba(247, 248, 248, 0.85);
  --map-bg: #e8ecf5;
  --map-filter: none;
  --shadow: rgba(0, 0, 0, 0.10) 0px 8px 24px;
  --thumb: rgba(0, 0, 0, 0.16);
  --hero-grad: linear-gradient(120deg, #1a1b1f 20%, #5e6ad2 75%, #7170ff);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "cv01", "ss03";
  transition: background .25s, color .25s;
}
:root { --font: "Inter", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; --radius: 8px; --radius-s: 6px; }
a { color: var(--brand-2); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* nav */
.nav { position: sticky; top: 0; z-index: 50; background: var(--nav-bg); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line-2); }
.nav-inner { max-width: 1120px; margin: 0 auto; padding: 13px 24px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 9px; color: var(--ink); }
.logo-mark { width: 26px; height: 26px; border-radius: 7px; background: linear-gradient(135deg, var(--brand), #7170ff); color: #fff; font-weight: 600; font-size: 14px; display: flex; align-items: center; justify-content: center; }
.logo-text { font-size: 15px; font-weight: 500; letter-spacing: -0.2px; }
.logo-text b { font-weight: 600; }
.logo-text.sm { font-size: 13px; }
.nav-right { display: flex; align-items: center; gap: 8px; }
.nav-verified { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; color: var(--ink-2); background: var(--btn-bg); border: 1px solid var(--line-2); padding: 5px 12px; border-radius: 999px; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); display: inline-block; }
.dot.green { background: var(--green); }
.icon-btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line-2); background: var(--btn-bg); color: var(--ink-2); font-size: 12px; font-weight: 500; padding: 5px 12px; border-radius: 999px; transition: all .15s; }
.icon-btn:hover { border-color: var(--line); color: var(--ink); }
.lang-btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line-2); background: var(--btn-bg); color: var(--ink-2); font-size: 12px; font-weight: 500; padding: 5px 12px; border-radius: 999px; transition: all .15s; }
.lang-btn:hover { border-color: var(--line); color: var(--ink); }

/* hero */
.hero { max-width: 1120px; margin: 0 auto; padding: 44px 24px 30px; text-align: center; }
.hero h1 { font-size: clamp(34px, 5vw, 52px); font-weight: 500; letter-spacing: -1.4px; line-height: 1.05; color: var(--ink); }
.grad { background: var(--hero-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats { margin-top: 28px; display: flex; justify-content: center; gap: 56px; flex-wrap: wrap; }
.stat-num { font-size: 30px; font-weight: 500; letter-spacing: -0.8px; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat-label { font-size: 12px; color: var(--ink-4); margin-top: 3px; font-weight: 400; }

/* main tool */
.wrap { max-width: 1120px; margin: 0 auto; padding: 8px 24px 40px; }
.tool { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 22px; transition: background .25s, border-color .25s; }
.controls { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 7px; flex: 1 1 220px; }
.field label { font-size: 11px; font-weight: 500; color: var(--ink-4); letter-spacing: .5px; }
.field-btn { flex: 0 0 auto; }

/* dropdown */
.dd { position: relative; }
.dd-btn { width: 100%; display: flex; align-items: center; gap: 10px; background: var(--btn-bg); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 0 13px; font-size: 14px; font-weight: 500; color: var(--ink); text-align: left; transition: border-color .15s, background .15s; height: 40px; }
.dd-btn:hover { background: var(--hover); border-color: var(--line-strong); }
.dd.open .dd-btn { border-color: var(--brand-2); background: var(--brand-soft-2); }
.dd-flag { font-size: 16px; line-height: 1; flex: 0 0 auto; }
.dd-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dd-caret { width: 9px; height: 9px; flex: 0 0 9px; color: var(--ink-4); transition: transform .15s; }
.dd.open .dd-caret { transform: rotate(180deg); }
.dd-menu { position: absolute; top: calc(100% + 6px); left: 0; right: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; max-height: 320px; overflow-y: auto; z-index: 40; display: none; padding: 5px; box-shadow: var(--shadow); }
.dd.open .dd-menu { display: block; }
.dd-opt { display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-radius: var(--radius-s); font-size: 13.5px; font-weight: 400; color: var(--ink-2); cursor: pointer; }
.dd-opt:hover { background: var(--hover); color: var(--ink); }
.dd-opt.sel { background: var(--brand-soft); color: var(--ink); font-weight: 500; }
.dd-opt .opt-flag { font-size: 15px; }
.dd-opt .opt-count { margin-left: auto; font-size: 11px; color: var(--ink-4); font-variant-numeric: tabular-nums; font-family: var(--mono); }
.dd-menu-city .dd-search { padding: 4px 4px 6px; }
.dd-menu-city .dd-search input { width: 100%; border: 1px solid var(--line-2); border-radius: var(--radius-s); padding: 7px 10px; font-size: 13px; font-family: inherit; outline: none; background: var(--btn-bg); color: var(--ink); }
.dd-menu-city .dd-search input:focus { border-color: var(--brand-2); }
.dd-menu-city .dd-search input::placeholder { color: var(--ink-4); }
.dd-list { max-height: 240px; overflow-y: auto; }

/* scrollbar */
.dd-menu::-webkit-scrollbar, .dd-list::-webkit-scrollbar { width: 8px; }
.dd-menu::-webkit-scrollbar-thumb, .dd-list::-webkit-scrollbar-thumb { background: var(--thumb); border-radius: 4px; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; border-radius: var(--radius-s); font-size: 13.5px; font-weight: 500; padding: 10px 18px; border: none; transition: all .15s; height: 40px; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-3); }
.btn-primary:active { background: var(--brand-2); }
.btn-primary:disabled { opacity: .5; cursor: wait; }
.btn-map { background: var(--btn-bg); border: 1px solid var(--line); color: var(--ink-2); font-size: 13px; padding: 9px 15px; height: 38px; }
.btn-map:hover { border-color: var(--brand-2); color: var(--ink); background: var(--brand-soft-2); }
.btn-copyall { background: var(--btn-bg); border: 1px solid var(--line); color: var(--ink-2); font-size: 13px; padding: 9px 15px; height: 38px; }
.btn-copyall:hover { border-color: var(--brand-2); color: var(--ink); background: var(--brand-soft-2); }

/* result */
.result-area { margin-top: 18px; }
.result-card { border: 1px solid var(--line-2); border-radius: 10px; overflow: hidden; background: var(--btn-bg); transition: background .25s; }
.rc-head { display: flex; align-items: center; justify-content: space-between; padding: 13px 16px; border-bottom: 1px solid var(--line-2); }
.rc-title { font-size: 12.5px; font-weight: 600; letter-spacing: -0.1px; color: var(--ink-2); }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 500; color: var(--green); background: var(--green-soft); border: 1px solid var(--green-line); padding: 4px 10px; border-radius: 999px; }
.rc-body { padding: 8px 10px 14px; }
.rc-sep { display: flex; align-items: center; gap: 10px; margin: 14px 6px 5px; font-size: 10.5px; font-weight: 600; color: var(--ink-4); text-transform: uppercase; letter-spacing: .8px; }
.rc-sep::after { content: ""; flex: 1; height: 1px; background: var(--line-2); }
.rc-row { display: flex; align-items: center; gap: 12px; padding: 9px 10px; border-radius: var(--radius-s); cursor: pointer; transition: background .12s; min-height: 40px; }
.rc-row:hover { background: var(--hover); }
.rc-row:hover .rc-v { color: var(--brand-3); }
.rc-k { flex: 0 0 64px; font-size: 12px; font-weight: 400; color: var(--ink-4); letter-spacing: .2px; }
.rc-v { flex: 1; font-size: 15px; font-weight: 500; color: var(--ink-2); word-break: break-word; transition: color .12s; }
.rc-v.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; letter-spacing: .2px; font-weight: 400; font-size: 13.5px; }
.rc-copy-hint { flex: 0 0 auto; font-size: 10.5px; font-weight: 500; color: var(--brand-3); background: var(--brand-soft); border: 1px solid var(--brand-2); border-color: rgba(113, 112, 255, 0.3); padding: 3px 9px; border-radius: 999px; opacity: 0; transform: translateX(4px); transition: all .15s; pointer-events: none; }
.rc-row:hover .rc-copy-hint { opacity: 1; transform: translateX(0); }
.rc-row.copied { background: var(--green-soft); }
.rc-row.copied .rc-v { color: var(--green); }
.rc-row.copied .rc-copy-hint { opacity: 1; transform: translateX(0); color: var(--green); background: transparent; border-color: var(--green-line); }
.rc-actions { display: flex; align-items: center; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.rc-hint { font-size: 11.5px; color: var(--ink-4); }

#map { height: 320px; border-top: 1px solid var(--line-2); background: var(--map-bg); }
.leaflet-container { font-family: inherit; background: var(--map-bg); }
#map .leaflet-tile { filter: var(--map-filter); }
#map .leaflet-control-zoom a { background: var(--surface); color: var(--ink-2); border-color: var(--line); }
#map .leaflet-control-attribution { background: var(--nav-bg); color: var(--ink-4); }
#map .leaflet-control-attribution a { color: var(--ink-3); }

/* features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 26px; }
.feature { background: var(--btn-bg); border: 1px solid var(--line-2); border-radius: 10px; padding: 20px; transition: border-color .15s; }
.feature:hover { border-color: var(--line); }
.f-icon { font-size: 20px; }
.feature h3 { margin-top: 11px; font-size: 15px; font-weight: 600; letter-spacing: -0.15px; color: var(--ink); }
.feature p { margin-top: 6px; font-size: 13px; color: var(--ink-3); line-height: 1.6; }

/* countries */
.countries { margin-top: 36px; }
.country-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.cg-item { background: var(--btn-bg); border: 1px solid var(--line-2); border-radius: 8px; padding: 11px 12px; display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 400; color: var(--ink-2); transition: all .15s; cursor: pointer; }
.cg-item .cg-flag { font-size: 16px; }
.cg-item:hover { border-color: var(--brand-2); background: var(--brand-soft-2); color: var(--ink); }
.cg-item .cg-tag { margin-left: auto; font-size: 10px; font-weight: 600; color: var(--green); }

/* disclaimer & footer */
.disclaimer { margin-top: 30px; background: var(--amber-soft); border: 1px solid var(--amber-line); border-radius: 8px; padding: 13px 16px; font-size: 12.5px; color: var(--amber); }
.footer { margin-top: 40px; border-top: 1px solid var(--line-2); }
.footer-inner { max-width: 1120px; margin: 0 auto; padding: 22px 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-note { font-size: 12px; color: var(--ink-4); }
.footer-attr { font-size: 11px; color: var(--ink-4); }
.footer-attr a { color: var(--ink-3); }

/* toast */
.toast { position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--surface-2); color: var(--ink); font-size: 13px; font-weight: 500; padding: 10px 20px; border-radius: 8px; opacity: 0; pointer-events: none; transition: all .25s; z-index: 100; border: 1px solid var(--line); box-shadow: var(--shadow); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* responsive */
@media (max-width: 760px) {
  .controls { flex-direction: column; align-items: stretch; }
  .field-btn .btn { width: 100%; justify-content: center; }
  .features { grid-template-columns: 1fr; }
  .br { display: block; }
  .hero { padding-top: 48px; }
  .stats { gap: 30px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}