:root {
  --bg: #0a0d18;
  --bg-2: #0f1424;
  --panel: #141a2d;
  --panel-2: #1a2138;
  --line: #252d48;
  --text: #e9edf8;
  --muted: #8b94b4;
  --faint: #5b6488;
  --c1: #3ee0d0;
  --c2: #5b8cff;
  --ok: #38d996;
  --warn: #ffb547;
  --bad: #ff5d73;
  --dns: #c08bff;
  --info: #7f8fb8;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  background: radial-gradient(1200px 600px at 50% -10%, #17204066, transparent 70%), var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}
main { flex: 1; width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }
a { color: var(--c1); text-decoration: none; }
a:hover { text-decoration: underline; }
[hidden] { display: none !important; }

.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(#ffffff06 1px, transparent 1px),
    linear-gradient(90deg, #ffffff06 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 75%);
}

/* ---------- topbar ---------- */
.topbar {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 1.15rem; letter-spacing: .02em; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 50%;
  border: 4px solid transparent;
  background: linear-gradient(var(--bg), var(--bg)) padding-box, linear-gradient(135deg, var(--c1), var(--c2)) border-box;
  position: relative;
}
.brand-mark::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 22px; height: 3px; background: var(--bad);
  transform: translate(-50%, -50%) rotate(-45deg); border-radius: 2px;
}
.topbar nav a { color: var(--muted); font-size: .95rem; margin-left: 20px; }
.topbar nav a:hover { color: var(--text); text-decoration: none; }

/* ---------- stage ---------- */
.stage { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 6vh 0 30px; min-height: 72vh; justify-content: center; }
.eyebrow { color: var(--muted); font-size: 1.05rem; margin: 0 0 34px; letter-spacing: .01em; }
.stage-sub { color: var(--faint); font-size: .9rem; margin: 30px 0 0; min-height: 1.4em; }

.dial { position: relative; width: 260px; height: 260px; display: grid; place-items: center; }

.go {
  --size: 220px;
  width: var(--size); height: var(--size); border-radius: 50%;
  border: 3px solid transparent;
  background:
    radial-gradient(circle at 50% 40%, #182244, #0d1226 70%) padding-box,
    linear-gradient(135deg, var(--c1), var(--c2)) border-box;
  color: var(--text);
  font: 600 2.1rem/1 var(--sans);
  letter-spacing: .14em;
  cursor: pointer;
  position: relative;
  transition: transform .25s ease, box-shadow .3s ease;
  box-shadow: 0 0 0 0 #3ee0d000, 0 0 60px -10px #3ee0d055 inset;
}
.go::before, .go::after {
  content: ""; position: absolute; inset: -3px; border-radius: 50%;
  border: 2px solid #3ee0d0; opacity: 0; pointer-events: none;
}
.go:not(:disabled)::before { animation: pulse 2.6s ease-out infinite; }
.go:not(:disabled)::after { animation: pulse 2.6s ease-out 1.3s infinite; }
@keyframes pulse {
  0% { transform: scale(1); opacity: .55; }
  100% { transform: scale(1.32); opacity: 0; }
}
.go:hover:not(:disabled) {
  transform: scale(1.03);
  box-shadow: 0 0 70px -8px #3ee0d088, 0 0 60px -10px #3ee0d0aa inset;
}
.go:active:not(:disabled) { transform: scale(.98); }
.go:disabled { cursor: default; opacity: .45; }
.go:focus-visible { outline: 3px solid var(--c2); outline-offset: 8px; }
.go-label { position: relative; padding-left: .14em; }

.progress { position: absolute; inset: 0; display: grid; place-items: center; }
.progress svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--line); stroke-width: 8; }
.ring-fg {
  fill: none; stroke: url(#ring-grad); stroke-width: 8; stroke-linecap: round;
  stroke-dasharray: 678.6; stroke-dashoffset: 678.6;
  transition: stroke-dashoffset .35s ease;
  filter: drop-shadow(0 0 6px #3ee0d088);
}
.progress-center { position: relative; max-width: 180px; }
.progress-pct { font: 300 3.4rem/1 var(--sans); font-variant-numeric: tabular-nums; }
.progress-pct small { font-size: 1.3rem; color: var(--muted); margin-left: 2px; }
.progress-now { font: .8rem/1.3 var(--mono); color: var(--muted); margin-top: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 170px; }

/* ---------- ISP bar ---------- */
.isp-bar {
  display: flex; gap: 56px; margin-top: 46px; text-align: left; flex-wrap: wrap; justify-content: center;
}
.isp-item { display: flex; gap: 12px; align-items: center; min-width: 220px; }
.isp-icon { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; color: var(--c1); flex: none; }
.isp-icon svg { width: 20px; height: 20px; }
.isp-name { font-weight: 600; font-size: 1.02rem; }
.isp-meta { color: var(--muted); font-size: .86rem; font-family: var(--mono); }
.isp-warning {
  margin: 22px 0 0; max-width: 560px; font-size: .9rem; color: var(--warn);
  background: #ffb54712; border: 1px solid #ffb54740; padding: 10px 14px; border-radius: 10px;
}

/* ---------- results ---------- */
.results { padding-bottom: 40px; }
.summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.sum-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; position: relative; overflow: hidden;
}
.sum-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent, var(--info)); }
.sum-num { font: 300 2.2rem/1.1 var(--sans); font-variant-numeric: tabular-nums; }
.sum-label { color: var(--muted); font-size: .86rem; }
.sum-ok { --accent: var(--ok); }
.sum-block { --accent: var(--bad); }
.sum-dns { --accent: var(--dns); }
.sum-down { --accent: var(--info); }

.verdict {
  grid-column: 1 / -1; padding: 18px 20px; border-radius: var(--radius); font-size: 1.05rem;
  background: var(--panel-2); border: 1px solid var(--line);
}
.verdict strong { display: block; font-size: 1.2rem; margin-bottom: 2px; }
.verdict.good strong { color: var(--ok); }
.verdict.bad strong { color: var(--bad); }
.verdict p { margin: 0; color: var(--muted); font-size: .95rem; }

.result-actions { display: flex; gap: 10px; justify-content: flex-end; margin: 18px 0 10px; }

.result-list { list-style: none; padding: 0; margin: 14px 0 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.r-row {
  display: grid; grid-template-columns: 22px minmax(0, 1.5fr) minmax(0, 2.2fr) 84px 84px;
  gap: 14px; align-items: center; padding: 13px 18px; border-top: 1px solid var(--line);
}
.r-row:first-child { border-top: 0; }
.r-head { background: var(--bg-2); color: var(--faint); font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; padding-top: 10px; padding-bottom: 10px; }
.r-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--faint); justify-self: center; }
.r-dot.pending { animation: blink 1s ease-in-out infinite; }
@keyframes blink { 50% { opacity: .25; } }
.st-ok .r-dot { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.st-blocked .r-dot { background: var(--bad); box-shadow: 0 0 8px var(--bad); }
.st-dns .r-dot { background: var(--dns); box-shadow: 0 0 8px var(--dns); }
.st-down .r-dot { background: var(--info); }
.st-warn .r-dot { background: var(--warn); }
.st-skip .r-dot { background: transparent; border: 2px solid var(--faint); }
.r-target { min-width: 0; }
.r-label { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.r-value { font: .82rem var(--mono); color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.r-verdict { min-width: 0; }
.r-title { font-weight: 600; font-size: .95rem; }
.st-ok .r-title { color: var(--ok); }
.st-blocked .r-title { color: var(--bad); }
.st-dns .r-title { color: var(--dns); }
.st-warn .r-title { color: var(--warn); }
.st-down .r-title, .st-skip .r-title { color: var(--info); }
.r-detail { color: var(--muted); font-size: .84rem; }
.r-ms { font: .85rem var(--mono); color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.r-ms b { color: var(--text); font-weight: 500; }

/* ---------- about ---------- */
.about { border-top: 1px solid var(--line); padding: 46px 0 30px; }
.about h2 { font-size: 1.35rem; margin: 0 0 22px; font-weight: 600; }
.about-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 36px; }
.about h3 { font-size: 1rem; margin: 0 0 6px; color: var(--c1); font-weight: 600; }
.about p { margin: 0; color: var(--muted); font-size: .94rem; }
.about strong { color: var(--text); }

.foot { position: relative; z-index: 1; text-align: center; color: var(--faint); font-size: .82rem; padding: 26px; }
.dot-sep { margin: 0 8px; }

/* ---------- knappar & formulär ---------- */
.btn {
  appearance: none; border: 1px solid transparent; border-radius: 10px; cursor: pointer;
  background: linear-gradient(135deg, var(--c1), var(--c2)); color: #07101e;
  font: 600 .92rem var(--sans); padding: 10px 18px; transition: filter .2s, transform .1s;
}
.btn:hover { filter: brightness(1.1); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: default; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--muted); filter: none; }
.btn-danger { white-space: nowrap; background: transparent; color: var(--bad); border-color: #ff5d7344; padding: 6px 12px; font-size: .84rem; }
.btn-danger:hover { background: #ff5d7314; filter: none; }
.btn-sm { padding: 6px 12px; font-size: .84rem; }

input[type=text], input[type=password], input[type=number], textarea {
  width: 100%; background: var(--bg-2); color: var(--text); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; font: .95rem var(--sans); outline: none; transition: border-color .2s;
}
input:focus, textarea:focus { border-color: var(--c2); }
textarea { font-family: var(--mono); font-size: .88rem; min-height: 140px; resize: vertical; }
label { display: block; color: var(--muted); font-size: .82rem; margin-bottom: 6px; }

/* ---------- admin ---------- */
.admin-wrap { max-width: 1040px; margin: 0 auto; padding: 20px 20px 60px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.login-card { max-width: 380px; margin: 12vh auto 0; }
.login-card h1 { margin: 0 0 4px; font-size: 1.4rem; }
.login-card p { margin: 0 0 20px; color: var(--muted); font-size: .92rem; }
.login-card form { display: grid; gap: 14px; }
.msg { font-size: .88rem; padding: 8px 12px; border-radius: 8px; margin: 0; }
.msg.err { color: var(--bad); background: #ff5d7314; }
.msg.ok { color: var(--ok); background: #38d99614; }

.admin-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 4px 0 22px; flex-wrap: wrap; }
.admin-head h1 { margin: 0; font-size: 1.5rem; }
.admin-head .actions { display: flex; gap: 8px; }

.add-form { display: grid; grid-template-columns: 2fr 1.5fr 110px 100px auto; gap: 12px; align-items: end; }
.tabs { display: flex; gap: 4px; margin-bottom: 16px; }
.tab { background: none; border: 0; color: var(--muted); font: 600 .9rem var(--sans); padding: 6px 12px; border-radius: 8px; cursor: pointer; }
.tab[aria-selected=true] { background: var(--panel-2); color: var(--text); }
.mt { margin-top: 12px; }
.hint { color: var(--faint); font-size: .82rem; margin: 10px 0 0; }
.hint code { font-family: var(--mono); color: var(--muted); }

.table-card { margin-top: 18px; padding: 0; overflow: hidden; }
.table-tools { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.table-tools .count { color: var(--muted); font-size: .9rem; }
.table-tools input { max-width: 260px; padding: 7px 10px; font-size: .88rem; }
table { width: 100%; border-collapse: collapse; }
th { white-space: nowrap; text-align: left; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--faint); font-weight: 600; padding: 10px 14px; background: var(--bg-2); }
td { padding: 9px 14px; border-top: 1px solid var(--line); font-size: .92rem; vertical-align: middle; }
td.mono { font-family: var(--mono); font-size: .86rem; }
tr.disabled td:not(:last-child) { opacity: .45; }
td input.inline { background: transparent; border-color: transparent; padding: 5px 8px; font-size: .9rem; }
td input.inline:hover { border-color: var(--line); }
td input.inline:focus { border-color: var(--c2); background: var(--bg-2); }
td input.port { width: 80px; font-family: var(--mono); }
.badge { display: inline-block; font: 600 .7rem var(--sans); letter-spacing: .05em; text-transform: uppercase; padding: 3px 8px; border-radius: 6px; background: var(--panel-2); color: var(--muted); }
.badge.domain { color: var(--c1); }
.badge.ip { color: var(--c2); }
.srv { font: .8rem var(--mono); white-space: nowrap; }
.srv.ok { color: var(--ok); }
.srv.fail { color: var(--bad); }
.srv.na { color: var(--faint); }
.warn-icon { color: var(--warn); cursor: help; margin-left: 4px; }

.switch { position: relative; width: 38px; height: 22px; display: inline-block; vertical-align: middle; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; background: var(--line); border-radius: 22px; cursor: pointer; transition: background .2s; }
.switch span::before { content: ""; position: absolute; width: 16px; height: 16px; left: 3px; top: 3px; background: var(--text); border-radius: 50%; transition: transform .2s; }
.switch input:checked + span { background: var(--ok); }
.switch input:checked + span::before { transform: translateX(16px); }
.switch input:focus-visible + span { outline: 2px solid var(--c2); outline-offset: 2px; }

.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(20px); opacity: 0;
  background: var(--panel-2); border: 1px solid var(--line); padding: 10px 18px; border-radius: 10px;
  font-size: .9rem; transition: all .25s; z-index: 50; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { border-color: #ff5d7366; color: var(--bad); }

/* ---------- HTTP-hjälpfönster ---------- */
.probe-page { justify-content: center; align-items: center; text-align: center; padding: 24px; }
.probe-box { max-width: 380px; flex: none; padding: 0; }
.probe-box h1 { font-size: 1.2rem; margin: 18px 0 6px; }
.probe-box p { margin: 0 0 10px; color: var(--muted); font-size: .92rem; }
.probe-box .probe-note { color: var(--faint); font-size: .82rem; }
.probe-spinner {
  width: 46px; height: 46px; margin: 0 auto; border-radius: 50%;
  border: 4px solid var(--line); border-top-color: var(--c1); animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.stage-hint { margin: 14px 0 0; font-size: .86rem; color: var(--warn); max-width: 520px; }
.scheme { font: 600 .7rem var(--mono); color: var(--warn); margin-right: 2px; }

/* ---------- responsivt ---------- */
@media (max-width: 760px) {
  .topbar { padding: 14px 18px; }
  .summary { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .isp-bar { gap: 20px; flex-direction: column; align-items: flex-start; }
  .r-row { grid-template-columns: 18px 1fr 70px; gap: 10px; padding: 12px 14px; }
  .r-verdict { grid-column: 2 / -1; grid-row: 2; }
  .r-ms.srv-ms { display: none; }
  .r-head { display: none; }
  .add-form { grid-template-columns: 1fr 1fr; }
  .add-form .wide { grid-column: 1 / -1; }
  th.hide-sm, td.hide-sm { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* select (admin) */
select {
  background: var(--bg-2); color: var(--text); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; font: .95rem var(--sans); outline: none; width: 100%;
}
select:focus { border-color: var(--c2); }
td select.inline { width: auto; background: transparent; border-color: transparent; padding: 5px 6px; font: 600 .78rem var(--mono); }
td select.inline:hover { border-color: var(--line); }
td select.inline option { background: var(--bg-2); }