/* diag.md — main.css */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #ffffff; --surface: #f6f8fa; --surface2: #eaeef2; --surface3: #d0d7de;
  --border: rgba(0,0,0,0.08); --border2: rgba(0,0,0,0.14);
  --text: #1f2328; --muted: #636c76; --hint: #a0a8b0;
  --green: #1a7f37; --blue: #0969da; --warn: #bc4c00;
  --danger: #cf222e; --purple: #8250df;
  --mono: 'JetBrains Mono','SF Mono','Fira Code','Cascadia Code','Consolas', monospace;
  --gap: 12px;
  --logo-fill: #0d1117;
}
[data-theme="dark"] {
  --bg: #0d1117; --surface: #161b22; --surface2: #21262d; --surface3: #2d333b;
  --border: rgba(255,255,255,0.08); --border2: rgba(255,255,255,0.14);
  --text: #e6edf3; --muted: #7d8590; --hint: #484f58;
  --green: #39d353; --blue: #58a6ff; --warn: #f0883e;
  --danger: #f85149; --purple: #bc8cff;
  --logo-fill: #ffffff;
}

body {
  background: var(--bg); color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px; line-height: 1.6; min-height: 100vh;
  transition: background .2s, color .2s;
}

/* ── Header ── */
.header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-bottom: 1px solid var(--border);
  background: var(--surface); position: sticky; top: 0; z-index: 50;
  gap: 12px;
}
.logo { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo-dot {
  width: 34px; height: 34px; border-radius: 9px; background: var(--green);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background .2s;
}
/* Logo SVG fills white always — bg provides the color */
#logo-svg path, #logo-svg polygon { fill: #fff; }

.logo h1 { font-size: 16px; font-weight: 700; color: var(--text); letter-spacing: -.01em; }
.logo p   { font-size: 11px; color: var(--muted); margin-top: 1px; }
.header-right { display: flex; align-items: center; gap: 8px; margin-left: auto; flex-shrink: 0; }
.ts { font-size: 11px; color: var(--muted); font-family: var(--mono); white-space: nowrap; }

.btn-toggle {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 10px; color: var(--muted);
  font-size: 13px; cursor: pointer; transition: all .15s; line-height: 1;
  white-space: nowrap; flex-shrink: 0;
}
.btn-toggle:hover { border-color: var(--border2); color: var(--text); }

/* ── Main layout ── */
.main { max-width: 980px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }

/* ── Consistent vertical rhythm: everything uses gap, not margin ── */
.main > * { margin-bottom: var(--gap); }
.main > *:last-child { margin-bottom: 0; }

/* ── IP Hero ── */
.ip-hero {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.25rem 1.5rem;
}
.ip-status { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  animation: pulse 1.8s ease-in-out infinite; flex-shrink: 0;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.45;transform:scale(.7)} }
.status-text { font-size: 12px; color: var(--muted); }
.ip-addr {
  font-family: var(--mono); font-size: 32px; font-weight: 600;
  color: var(--text); letter-spacing: .02em; line-height: 1.2;
  word-break: break-all; overflow-wrap: anywhere;
}
.ip-location { font-size: 13px; color: var(--muted); margin-top: 5px; }
@media (max-width: 600px) { .ip-addr { font-size: 22px; } }
@media (max-width: 400px) { .ip-addr { font-size: 18px; letter-spacing: 0; } }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: 5px;
  font-size: 11px; font-weight: 600; letter-spacing: .03em; white-space: nowrap;
}
.b-ok     { background: rgba(26,127,55,.1);  color: var(--green);  border: 1px solid rgba(26,127,55,.2); }
.b-warn   { background: rgba(188,76,0,.1);   color: var(--warn);   border: 1px solid rgba(188,76,0,.2); }
.b-danger { background: rgba(207,34,46,.1);  color: var(--danger); border: 1px solid rgba(207,34,46,.2); }
.b-neutral{ background: var(--surface2);     color: var(--muted);  border: 1px solid var(--border); }
.b-loading{ background: var(--surface2);     color: var(--hint);   border: 1px solid var(--border); }
[data-theme="dark"] .b-ok     { background: rgba(57,211,83,.1);  border-color: rgba(57,211,83,.2); }
[data-theme="dark"] .b-warn   { background: rgba(240,136,62,.1); border-color: rgba(240,136,62,.2); }
[data-theme="dark"] .b-danger { background: rgba(248,81,73,.1);  border-color: rgba(248,81,73,.2); }

/* ── Threat cards ── */
.threat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
@media (max-width: 480px) { .threat-grid { grid-template-columns: 1fr; } }
.threat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 1rem 1.25rem; transition: border-color .2s, background .2s;
}
.threat-card.active-warn   { border-color: rgba(188,76,0,.35);  background: rgba(188,76,0,.04); }
.threat-card.active-danger { border-color: rgba(207,34,46,.35); background: rgba(207,34,46,.04); }
[data-theme="dark"] .threat-card.active-warn   { border-color: rgba(240,136,62,.35); background: rgba(240,136,62,.04); }
[data-theme="dark"] .threat-card.active-danger { border-color: rgba(248,81,73,.35);  background: rgba(248,81,73,.04); }
.threat-icon  { font-size: 22px; margin-bottom: 8px; }
.threat-label { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; font-weight: 700; margin-bottom: 4px; }
.threat-value { font-size: 20px; font-weight: 700; font-family: var(--mono); letter-spacing: .02em; }
.threat-value.ok      { color: var(--green); }
.threat-value.warn    { color: var(--warn); }
.threat-value.danger  { color: var(--danger); }
.threat-value.loading { color: var(--hint); font-size: 16px; }
.threat-sub { font-size: 11px; color: var(--muted); margin-top: 3px; font-family: var(--mono); }

/* ── Grid & Cards ── */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }

/* Column inside grid: stack cards with consistent gap */
.col { display: flex; flex-direction: column; gap: var(--gap); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 1rem 1.25rem;
}
.card-title {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--muted); margin-bottom: 12px;
  display: flex; align-items: center; gap: 6px;
}
.ct-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }

/* ── Data rows ── */
.dr {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 5px 0; border-bottom: 1px solid rgba(0,0,0,0.05); gap: 12px;
}
[data-theme="dark"] .dr { border-bottom-color: rgba(255,255,255,0.04); }
.dr:last-child { border-bottom: none; }
.dk { font-size: 12px; color: var(--muted); flex-shrink: 0; max-width: 45%; }
.dv { font-size: 12px; color: var(--text); font-family: var(--mono); text-align: right; word-break: break-all; }
.dv.green  { color: var(--green); }
.dv.warn   { color: var(--warn); }
.dv.danger { color: var(--danger); }
.dv.loading{ color: var(--hint); }

/* ── Speed Test ── */
.speed-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); margin-bottom: 14px; }
@media (max-width: 480px) { .speed-grid { grid-template-columns: 1fr; } }
.speed-metric { text-align: center; }
.speed-metric-label { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-weight: 700; margin-bottom: 6px; }
.speed-metric-value { font-size: 26px; font-weight: 700; font-family: var(--mono); color: var(--text); line-height: 1; }
.speed-metric-unit  { font-size: 11px; color: var(--muted); margin-top: 3px; }
.speed-bar-wrap { height: 4px; background: var(--surface2); border-radius: 2px; margin-top: 4px; overflow: hidden; }
.speed-bar      { height: 4px; width: 0; border-radius: 2px; background: var(--green); transition: width .3s ease; }
.speed-bar.upload { background: var(--blue); }
.speed-status { font-size: 12px; color: var(--muted); text-align: center; margin-bottom: 12px; font-family: var(--mono); min-height: 18px; }
.btn-speedtest {
  width: 100%; padding: 10px; background: var(--surface2);
  border: 1px solid var(--border2); border-radius: 8px;
  color: var(--text); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all .15s;
}
.btn-speedtest:hover:not(:disabled) { background: var(--surface3); }
.btn-speedtest:disabled { opacity: .5; cursor: not-allowed; }

/* ── Blacklist Check ── */
.bl-summary { margin-bottom: 10px; min-height: 20px; }
.bl-summary-text { font-size: 13px; color: var(--muted); }
.bl-badge-ok   { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: var(--green); }
.bl-badge-warn { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: var(--danger); }
.bl-rows { display: flex; flex-direction: column; gap: 4px; }
.bl-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 5px 8px; border-radius: 6px; font-size: 12px; background: var(--surface2);
}
.bl-row.listed { background: rgba(207,34,46,.08); }
[data-theme="dark"] .bl-row.listed { background: rgba(248,81,73,.08); }
.bl-name           { color: var(--text); font-weight: 500; }
.bl-status-ok      { font-family: var(--mono); font-size: 11px; color: var(--green); font-weight: 600; }
.bl-status-warn    { font-family: var(--mono); font-size: 11px; color: var(--danger); font-weight: 600; }
.bl-status-loading { font-family: var(--mono); font-size: 11px; color: var(--hint); }

/* ── Report section ── */
.report-section {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 1.25rem 1.5rem;
}
.report-desc { font-size: 13px; color: var(--muted); margin-bottom: 1rem; line-height: 1.7; }
.btn-generate {
  width: 100%; padding: 13px; background: var(--green); color: #fff;
  border: none; border-radius: 8px; font-size: 14px; font-weight: 700;
  cursor: pointer; transition: opacity .15s; letter-spacing: .02em;
}
[data-theme="dark"] .btn-generate { color: #0d1117; }
.btn-generate:hover { opacity: .85; }
.btn-generate:disabled { opacity: .4; cursor: not-allowed; }
.report-id-box {
  background: var(--surface2); border: 1px solid var(--border2);
  border-radius: 8px; padding: 1.25rem; text-align: center;
}
.rid-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 8px; font-weight: 600; }
.rid-value {
  font-family: var(--mono); font-size: 20px; font-weight: 700;
  color: var(--green); letter-spacing: .06em; cursor: pointer; transition: opacity .15s;
}
.rid-value:hover { opacity: .75; }
.rid-hint  { font-size: 11px; color: var(--hint); margin-top: 6px; }
.btn-new {
  margin-top: 10px; width: 100%; padding: 8px; background: transparent;
  border: 1px solid var(--border); border-radius: 8px; color: var(--muted);
  font-size: 12px; cursor: pointer; transition: all .15s;
}
.btn-new:hover { border-color: var(--border2); color: var(--text); }
.gen-error {
  background: rgba(207,34,46,.08); border: 1px solid rgba(207,34,46,.2);
  border-radius: 8px; padding: 10px 14px; color: var(--danger);
  font-size: 13px; margin-top: 10px;
}
[data-theme="dark"] .gen-error { background: rgba(248,81,73,.08); border-color: rgba(248,81,73,.2); }

/* ── Skeleton ── */
.skel {
  display: inline-block; background: var(--surface3); border-radius: 4px;
  animation: skel 1.2s ease-in-out infinite;
}
@keyframes skel { 0%,100%{opacity:.6} 50%{opacity:.25} }

/* ── Responsive tweaks ── */
@media (max-width: 380px) {
  .header { padding: 10px 14px; }
  .main { padding: 1rem .75rem 2rem; }
  .ts { display: none; }
}

/* ── IP copy button ── */
.ip-addr-row { display: flex; align-items: center; gap: 12px; }
.btn-copy-ip {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--muted); cursor: pointer; flex-shrink: 0;
  transition: all .15s; touch-action: manipulation;
}
.btn-copy-ip:hover    { border-color: var(--border2); color: var(--text); background: var(--surface3); }
.btn-copy-ip.copied   { border-color: var(--green); color: var(--green); background: rgba(26,127,55,.08); }
[data-theme="dark"] .btn-copy-ip.copied { background: rgba(57,211,83,.1); }
@media (max-width: 480px) {
  .btn-copy-ip { width: 38px; height: 38px; border-radius: 10px; }
  .btn-copy-ip svg { width: 16px; height: 16px; }
}

/* ── Toast notifications ── */
.toast-container {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 9999; display: flex; flex-direction: column; align-items: center; gap: 8px;
  pointer-events: none; width: max-content; max-width: calc(100vw - 32px);
}
.toast {
  padding: 10px 18px; border-radius: 8px; font-size: 13px; font-weight: 500;
  font-family: 'Inter', sans-serif;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  opacity: 0; transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease;
  pointer-events: none; white-space: nowrap; max-width: calc(100vw - 32px);
  overflow: hidden; text-overflow: ellipsis;
}
.toast-show { opacity: 1; transform: translateY(0); }
.toast-hide { opacity: 0; transform: translateY(-6px); }
.toast-success { background: #1a7f37; color: #fff; }
.toast-info    { background: var(--surface); color: var(--text); border: 1px solid var(--border2); }
.toast-warn    { background: #bc4c00; color: #fff; }
[data-theme="dark"] .toast-success { background: #238636; }
[data-theme="dark"] .toast-info    { background: var(--surface2); }

/* ── Report link box ── */
.report-link-box {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; padding: 1rem 1.25rem; text-align: center; margin-top: 10px;
}
.rid-link {
  font-family: 'JetBrains Mono', var(--mono); font-size: 13px;
  color: var(--blue); cursor: pointer; transition: opacity .15s;
  word-break: break-all; line-height: 1.5;
}
.rid-link:hover { opacity: .75; text-decoration: underline; }

/* ── Report cache note ── */
.report-cache-note {
  background: rgba(188,76,0,.08); border: 1px solid rgba(188,76,0,.2);
  border-radius: 8px; padding: 8px 12px; font-size: 12px; color: var(--warn);
  margin-bottom: 10px; text-align: center;
}
[data-theme="dark"] .report-cache-note {
  background: rgba(240,136,62,.08); border-color: rgba(240,136,62,.2);
}

/* ── Report copy fields ── */
.report-field-row { margin-bottom: 10px; }
.report-field-row:last-of-type { margin-bottom: 0; }
.report-copy-row {
  display: flex; align-items: center; gap: 8px; margin-top: 6px;
}
.report-input {
  flex: 1; min-width: 0;
  background: var(--surface2); border: 1px solid var(--border2);
  border-radius: 8px; padding: 9px 12px;
  color: var(--text); font-family: 'JetBrains Mono', var(--mono);
  font-size: 13px; letter-spacing: .04em;
  cursor: text; outline: none; user-select: all;
  transition: border-color .15s;
}
.report-input:focus { border-color: var(--green); }
.btn-copy-field {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; flex-shrink: 0;
  border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface2); color: var(--muted);
  cursor: pointer; transition: all .15s; touch-action: manipulation;
}
.btn-copy-field:hover    { border-color: var(--border2); color: var(--text); background: var(--surface3); }
.btn-copy-field.copied   { border-color: var(--green); color: var(--green); background: rgba(26,127,55,.08); }
[data-theme="dark"] .btn-copy-field.copied { background: rgba(57,211,83,.1); }

/* ── Footer ── */
.site-footer {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; flex-wrap: wrap;
  padding: 1.5rem 1rem 0.5rem;
  font-size: 12px; color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 1.5rem;
}
.site-footer a { color: var(--muted); text-decoration: none; font-weight: 500; }
.site-footer a:hover { color: var(--text); text-decoration: underline; }
.footer-sep { opacity: .4; }
.footer-link { color: var(--muted); text-decoration: none; font-size: 12px; }
.footer-link:hover { color: var(--text); text-decoration: underline; }
.footer-gentime { font-family: 'JetBrains Mono', var(--mono); font-size: 11px; color: var(--hint); }

/* ── IPv6 adaptive font + server IPv4 row ── */
.ip-addr.is-ipv6 { font-size: 20px; letter-spacing: 0; }
@media (max-width: 480px) { .ip-addr.is-ipv6 { font-size: 15px; } }

.ip-server-row {
  display: flex; align-items: center; gap: 8px; margin-top: 6px; flex-wrap: wrap;
}
.ip-server-label {
  font-size: 11px; color: var(--hint); text-transform: uppercase;
  letter-spacing: .06em; font-weight: 600; flex-shrink: 0;
}
.ip-server-val {
  font-family: 'JetBrains Mono', var(--mono); font-size: 13px;
  color: var(--muted); letter-spacing: .02em;
}
.btn-copy-ip-small {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 5px;
  background: transparent; border: 1px solid var(--border);
  color: var(--hint); cursor: pointer; flex-shrink: 0;
  transition: all .15s; padding: 0;
}
.btn-copy-ip-small:hover { border-color: var(--border2); color: var(--muted); }

/* ── Sponsored card ── */
.card-sponsored {
  background: linear-gradient(135deg, #0d2b1a 0%, #0a1f2e 100%);
  border: 1px solid rgba(57,211,83,.2);
  flex: 1; min-height: 130px;
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
}
[data-theme="light"] .card-sponsored {
  background: linear-gradient(135deg, #f0faf4 0%, #eaf4fb 100%);
  border: 1px solid rgba(26,127,55,.2);
}
.card-sponsored::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(57,211,83,.07) 0%, transparent 65%);
  pointer-events: none;
}
.sponsored-label {
  font-size: 9px; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: rgba(57,211,83,.5);
  padding: 10px 14px 0;
}
[data-theme="light"] .sponsored-label { color: rgba(26,127,55,.5); }

.sponsored-body {
  flex: 1; display: flex; align-items: center; justify-content: center;
  padding: 10px 16px 18px;
}
.sponsored-link {
  text-decoration: none; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  transition: transform .2s;
}
.sponsored-link:hover { transform: translateY(-2px); }

.sponsored-icon {
  font-size: 26px; line-height: 1;
  filter: drop-shadow(0 0 8px rgba(57,211,83,.35));
  transition: filter .3s;
}
[data-theme="light"] .sponsored-icon { filter: drop-shadow(0 0 6px rgba(26,127,55,.2)); }
.sponsored-link:hover .sponsored-icon { filter: drop-shadow(0 0 12px rgba(57,211,83,.6)); }

.sponsored-text {
  font-size: 16px; font-weight: 700; letter-spacing: -.01em;
  color: #e6edf3; line-height: 1.2;
  transition: color .4s;
}
[data-theme="light"] .sponsored-text { color: #1f2328; }

.sponsored-sub {
  font-size: 11px; color: rgba(57,211,83,.7); font-family: 'JetBrains Mono', var(--mono);
  letter-spacing: .02em;
  transition: color .4s;
}
[data-theme="light"] .sponsored-sub { color: rgba(26,127,55,.75); }

/* Fade transition for text rotation */
.sponsored-text.fade-out, .sponsored-sub.fade-out, .sponsored-icon.fade-out {
  opacity: 0; transform: translateY(4px);
  transition: opacity .3s ease, transform .3s ease;
}
.sponsored-text.fade-in, .sponsored-sub.fade-in, .sponsored-icon.fade-in {
  opacity: 1; transform: translateY(0);
  transition: opacity .3s ease, transform .3s ease;
}