/* ============================================================
   NetCheck — дизайн-система в духе iOS 18
   Preset 17 Takram: мягкий техно-минимализм, скругления,
   мягкие тени, стекло, сдержанные градиенты.
   ============================================================ */

:root {
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
          "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --radius-s: 10px;
  --radius-m: 14px;
  --radius-l: 18px;
  --radius-xl: 24px;
  --nav-h: 58px;
}

/* ---------- Светлая тема (по умолчанию) ---------- */
:root, [data-theme="light"] {
  --blue: #007aff;
  --green: #34c759;
  --red: #ff3b30;
  --orange: #ff9500;
  --purple: #af52de;
  --teal: #30b0c7;
  --indigo: #5856d6;

  --bg: #f2f2f7;
  --bg2: #ffffff;
  --bg3: #f7f7fa;
  --text: #1c1c1e;
  --text2: #6e6e73;
  --text3: #aeaeb2;
  --sep: rgba(60, 60, 67, 0.12);
  --sep-strong: rgba(60, 60, 67, 0.24);
  --fill: rgba(120, 120, 128, 0.10);
  --fill2: rgba(120, 120, 128, 0.16);
  --fill3: rgba(120, 120, 128, 0.24);
  --glass: rgba(255, 255, 255, 0.72);
  --accent-soft: rgba(0, 122, 255, 0.11);
  --ok-soft: rgba(52, 199, 89, 0.13);
  --err-soft: rgba(255, 59, 48, 0.12);
  --warn-soft: rgba(255, 149, 0, 0.14);
  --card-shadow: 0 1px 2px rgba(16, 20, 30, 0.04), 0 8px 28px rgba(16, 20, 30, 0.07);
  --card-shadow-hover: 0 2px 6px rgba(16, 20, 30, 0.06), 0 16px 44px rgba(16, 20, 30, 0.11);
  --mesh-a: rgba(0, 122, 255, 0.10);
  --mesh-b: rgba(88, 86, 214, 0.08);
  --mesh-c: rgba(48, 176, 199, 0.08);
  --btn-blue-shadow: 0 6px 18px rgba(0, 122, 255, 0.35);
}

/* ---------- Тёмная тема ---------- */
[data-theme="dark"] {
  --blue: #0a84ff;
  --green: #30d158;
  --red: #ff453a;
  --orange: #ff9f0a;
  --purple: #bf5af2;
  --teal: #40c8e0;
  --indigo: #5e5ce6;

  --bg: #000000;
  --bg2: #1c1c1e;
  --bg3: #2c2c2e;
  --text: #f5f5f7;
  --text2: #98989f;
  --text3: #636368;
  --sep: rgba(84, 84, 88, 0.42);
  --sep-strong: rgba(84, 84, 88, 0.68);
  --fill: rgba(120, 120, 128, 0.22);
  --fill2: rgba(120, 120, 128, 0.30);
  --fill3: rgba(120, 120, 128, 0.38);
  --glass: rgba(20, 20, 22, 0.72);
  --accent-soft: rgba(10, 132, 255, 0.18);
  --ok-soft: rgba(48, 209, 88, 0.16);
  --err-soft: rgba(255, 69, 58, 0.16);
  --warn-soft: rgba(255, 159, 10, 0.16);
  --card-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 10px 34px rgba(0, 0, 0, 0.45);
  --card-shadow-hover: 0 2px 8px rgba(0, 0, 0, 0.4), 0 18px 48px rgba(0, 0, 0, 0.55);
  --mesh-a: rgba(10, 132, 255, 0.13);
  --mesh-b: rgba(94, 92, 230, 0.12);
  --mesh-c: rgba(100, 210, 255, 0.07);
  --btn-blue-shadow: 0 6px 18px rgba(10, 132, 255, 0.3);
}

/* ---------- Базовое ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.47;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* Мягкие цветовые пятна на фоне (Takram) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(560px 420px at 12% -4%, var(--mesh-a), transparent 68%),
    radial-gradient(640px 480px at 96% 12%, var(--mesh-b), transparent 70%),
    radial-gradient(760px 560px at 50% 108%, var(--mesh-c), transparent 72%);
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { vertical-align: middle; }
button { font-family: inherit; }

.wrap { max-width: 1200px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
@media (max-width: 400px) { .wrap { padding-left: 12px; padding-right: 12px; } }

/* ---------- Шапка ---------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--glass);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--sep);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-head { background: var(--bg2); }
}
.head-in {
  display: flex;
  align-items: center;
  gap: 18px;
  height: var(--nav-h);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  font-size: 18.5px;
  letter-spacing: -0.02em;
  color: var(--text);
  white-space: nowrap;
}
.logo:hover { text-decoration: none; }
.logo .logo-ic {
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--blue), var(--indigo));
  border-radius: 9px;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.30);
}
.main-nav { display: flex; gap: 4px; margin-left: 8px; }
.main-nav a {
  color: var(--text2);
  font-weight: 600;
  font-size: 14.5px;
  padding: 7px 12px;
  border-radius: 10px;
  transition: background 0.2s, color 0.2s;
}
.main-nav a:hover { background: var(--fill); color: var(--text); text-decoration: none; }
.main-nav a.active { color: var(--blue); background: var(--accent-soft); }
.head-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; border-radius: 12px;
  background: var(--fill);
  color: var(--text);
  font-size: 17px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.icon-btn:hover { background: var(--fill2); }
.icon-btn:active { transform: scale(0.94); }
.burger { display: none; }
.mobile-nav { border-top: 1px solid var(--sep); padding: 8px 16px 14px; display: grid; gap: 4px; }
.mobile-nav a {
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--text);
  font-weight: 600;
  font-size: 16px;
}
.mobile-nav a:hover { background: var(--fill); text-decoration: none; }
@media (max-width: 800px) {
  .main-nav { display: none; }
  .burger { display: inline-flex; }
}

/* ---------- Баннер демо-режима ---------- */
.demo-banner {
  margin: 14px 0 0;
  padding: 10px 14px;
  border-radius: var(--radius-m);
  background: var(--warn-soft);
  color: var(--text);
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid rgba(255, 149, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---------- Hero ---------- */
.hero { padding: 40px 0 22px; text-align: center; }
@media (max-width: 640px) { .hero { padding: 26px 0 16px; } }
.hero h1 {
  font-size: clamp(27px, 5.2vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 800;
  background: linear-gradient(120deg, var(--text) 55%, var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .sub {
  margin: 12px auto 0;
  max-width: 640px;
  color: var(--text2);
  font-size: clamp(15px, 2.4vw, 17.5px);
}
.hero-stats {
  margin-top: 18px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}
.hstat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--sep);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text2);
}
.hstat b { color: var(--text); font-variant-numeric: tabular-nums; }

/* ---------- Карточки ---------- */
.card {
  background: var(--bg2);
  border: 1px solid var(--sep);
  border-radius: var(--radius-l);
  box-shadow: var(--card-shadow);
}

/* ---------- Карточка проверки ---------- */
.check-card { padding: 16px; margin-top: 8px; }
@media (max-width: 640px) { .check-card { padding: 12px; } }

.tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 2px 2px 8px;
}
/* На узких экранах — горизонтальная прокрутка с видимым скроллбаром */
@media (max-width: 860px) {
  .tools {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    padding-bottom: 10px;
  }
  .tools::-webkit-scrollbar { height: 6px; }
  .tools::-webkit-scrollbar-thumb { background: var(--fill3); border-radius: 999px; }
  .tools::-webkit-scrollbar-track { background: transparent; }
}
/* На широких экранах — компактнее чипы, чтобы помещались в ряд */
@media (min-width: 861px) {
  .tool-chip { padding: 9px 13px; font-size: 14.5px; }
}
/* Карта IP-геолокации */
.ipmap { border-radius: var(--radius-l); overflow: hidden; border: 1px solid var(--sep); background: var(--fill); }
.ipmap iframe { display: block; width: 100%; height: 300px; border: 0; }
.ipmap-head { padding: 12px 14px; font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
/* Капча */
.captcha-card { border: 1.5px solid var(--orange); background: var(--warn-soft); border-radius: var(--radius-l); padding: 16px; }
.captcha-q { font-size: 17px; font-weight: 750; margin-bottom: 10px; }
.tool-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: var(--fill);
  color: var(--text2);
  font-weight: 650;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.12s, box-shadow 0.2s;
  user-select: none;
}
.tool-chip:hover { background: var(--fill2); }
.tool-chip:active { transform: scale(0.96); }
.tool-chip.active {
  background: var(--blue);
  color: #fff;
  box-shadow: var(--btn-blue-shadow);
}

.input-row {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}
.target-input { flex: 1; min-width: 0; }
.go-btn { white-space: nowrap; }
@media (max-width: 560px) {
  .input-row { flex-direction: column; }
  .go-btn { width: 100%; padding: 14px 20px; font-size: 17px; }
}

.field {
  width: 100%;
  font: inherit;
  font-size: 17px;
  padding: 13px 16px;
  border-radius: var(--radius-m);
  border: 1.5px solid transparent;
  background: var(--fill);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.field::placeholder { color: var(--text3); }
.field:focus {
  border-color: var(--blue);
  background: var(--bg2);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.field-small { font-size: 15.5px; padding: 10px 13px; border-radius: 12px; }
select.field { appearance: none; -webkit-appearance: none; cursor: pointer; }

.params-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}
.params-row:empty { display: none; }
.param-item { display: flex; align-items: center; gap: 8px; }
.param-item label { font-size: 13.5px; font-weight: 650; color: var(--text2); }

.btn {
  appearance: none;
  border: 0;
  font: inherit;
  font-weight: 650;
  font-size: 16px;
  border-radius: var(--radius-m);
  padding: 12px 20px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s, opacity 0.2s;
  color: var(--text);
}
.btn:active { transform: scale(0.97); }
.btn[disabled] { opacity: 0.55; cursor: default; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: var(--btn-blue-shadow); }
.btn-primary:hover:not([disabled]) { filter: brightness(1.06); }
.btn-ghost { background: var(--fill); }
.btn-ghost:hover { background: var(--fill2); }
.btn-danger { background: var(--err-soft); color: var(--red); }
.btn-sm { padding: 7px 12px; font-size: 13.5px; border-radius: 10px; }

.nodes-row { margin-top: 14px; }
.nodes-label { font-size: 13.5px; font-weight: 650; color: var(--text2); margin-bottom: 8px; }
.nodes-label .hint { font-weight: 500; color: var(--text3); }
.node-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.node-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1.5px solid var(--sep);
  background: var(--bg3);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text2);
  cursor: pointer;
  transition: all 0.18s;
  user-select: none;
}
.node-chip:hover { border-color: var(--sep-strong); }
.node-chip.selected {
  border-color: var(--blue);
  background: var(--accent-soft);
  color: var(--blue);
}
.node-chip.off { opacity: 0.45; cursor: default; }

.examples { margin-top: 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }
.examples .ex-label { font-size: 13px; color: var(--text3); font-weight: 600; }
.ex-chip {
  border: 1px solid var(--sep);
  background: transparent;
  color: var(--text2);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 11px;
  cursor: pointer;
  transition: all 0.18s;
  font-family: var(--mono);
}
.ex-chip:hover { border-color: var(--blue); color: var(--blue); background: var(--accent-soft); }

/* ---------- Заголовки секций ---------- */
.sec-title {
  font-size: 20px;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin: 26px 0 12px;
}
@media (max-width: 640px) { .sec-title { font-size: 17.5px; } }

/* ---------- История ---------- */
.history-list { display: flex; flex-wrap: wrap; gap: 8px; }
.h-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border-radius: 12px;
  background: var(--bg2);
  border: 1px solid var(--sep);
  font-size: 13px;
  color: var(--text2);
  font-family: var(--mono);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.12s;
}
.h-item:hover { border-color: var(--blue); text-decoration: none; transform: translateY(-1px); }
.h-item .t { font-family: var(--font); font-weight: 700; color: var(--text); }

/* ---------- Рекламные слоты ---------- */
.ad-slot { margin: 18px 0; }
.ad-slot .ad-inner { border-radius: var(--radius-l); overflow: hidden; }
.ad-slot .ad-ph {
  border: 1.5px dashed var(--sep-strong);
  border-radius: var(--radius-l);
  padding: 18px;
  text-align: center;
  color: var(--text3);
  font-size: 12.5px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--fill);
}

/* ---------- Строка «Ваш IP» в окне проверок ---------- */
.me-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  background: var(--fill);
  border-radius: var(--radius-m);
  padding: 10px 14px;
  margin-bottom: 14px;
  font-size: 13px;
}
.me-strip .me-k { color: var(--text2); }
.me-strip .me-ip { font-family: var(--mono); font-size: 14.5px; font-weight: 700; }
.me-strip .me-copy { border: 0; background: none; cursor: pointer; font-size: 13px; padding: 2px 4px; border-radius: 6px; }
.me-strip .me-copy:hover { background: var(--fill2); }
.me-strip .me-sep { width: 1px; height: 18px; background: var(--sep-strong); }
.me-strip .me-val { color: var(--text2); }
.me-strip .me-ua { color: var(--text3); }
.me-strip .me-spacer { flex: 1; }
.me-strip .me-details { white-space: nowrap; }

/* ---------- Результаты ---------- */
.res-head { padding: 16px 18px; margin-top: 18px; }
.res-head-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.res-target { font-size: 18px; font-weight: 750; font-family: var(--mono); word-break: break-all; }
.res-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.progress { height: 6px; border-radius: 999px; background: var(--fill); overflow: hidden; margin-top: 14px; }
.progress > i {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--indigo));
  border-radius: 999px;
  transition: width 0.5s ease;
}

.res-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 14px;
  margin-top: 14px;
}
.res-grid.res-grid-single { grid-template-columns: 1fr; }
@media (max-width: 480px) { .res-grid { grid-template-columns: 1fr; } }

.res-card { padding: 15px 16px; display: flex; flex-direction: column; gap: 10px; }
.res-card-top { display: flex; align-items: center; gap: 10px; }
.res-flag { font-size: 22px; line-height: 1; }
.res-node-name { font-weight: 700; font-size: 15px; line-height: 1.25; }
.res-node-geo { font-size: 12.5px; color: var(--text2); }
.res-card-top .spacer { flex: 1; }
.time-badge {
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  color: var(--text2);
  background: var(--fill);
  padding: 4px 9px;
  border-radius: 8px;
  font-weight: 650;
  white-space: nowrap;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
}
.badge.success { background: var(--ok-soft); color: var(--green); }
.badge.error { background: var(--err-soft); color: var(--red); }
.badge.pending { background: var(--fill2); color: var(--text2); }
.badge.warn { background: var(--warn-soft); color: var(--orange); }
.badge.info { background: var(--accent-soft); color: var(--blue); }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; }
.dot.ok { background: var(--green); box-shadow: 0 0 0 3px var(--ok-soft); }
.dot.err { background: var(--red); box-shadow: 0 0 0 3px var(--err-soft); }
.dot.wait { background: var(--orange); animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(105px, 1fr));
  gap: 9px;
}
.stat {
  background: var(--fill);
  border-radius: var(--radius-m);
  padding: 11px 12px;
}
.stat .k { font-size: 11.5px; font-weight: 650; color: var(--text2); text-transform: uppercase; letter-spacing: 0.04em; }
.stat .v { font-size: 19px; font-weight: 750; font-variant-numeric: tabular-nums; margin-top: 2px; letter-spacing: -0.02em; }
.stat .v small { font-size: 12.5px; color: var(--text2); font-weight: 600; }
.stat.ok .v { color: var(--green); }
.stat.err .v { color: var(--red); }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 14px; }
.kv .k { color: var(--text2); font-weight: 600; white-space: nowrap; }
.kv .v { word-break: break-word; min-width: 0; }

.raw-box {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  background: var(--bg3);
  border: 1px solid var(--sep);
  border-radius: 12px;
  padding: 12px 14px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 260px;
  overflow: auto;
  color: var(--text);
}

.hop-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--sep);
  font-size: 14px;
}
.hop-line:last-child { border-bottom: 0; }
.hop-line .n {
  flex: 0 0 26px;
  font-weight: 750;
  color: var(--text3);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
}
.hop-line .ip { font-family: var(--mono); font-weight: 600; }
.hop-line .ms { margin-left: auto; color: var(--text2); font-size: 12.5px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.hop-line.timeout { color: var(--text3); }

details.disc { border: 1px solid var(--sep); border-radius: 12px; background: var(--bg3); }
details.disc summary {
  cursor: pointer;
  padding: 10px 14px;
  font-weight: 650;
  font-size: 13.5px;
  color: var(--text2);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}
details.disc summary::-webkit-details-marker { display: none; }
details.disc summary::after { content: "›"; margin-left: auto; transform: rotate(90deg); color: var(--text3); transition: transform 0.2s; }
details.disc[open] summary::after { transform: rotate(-90deg); }
details.disc .disc-body { padding: 0 14px 12px; }

.err-text { color: var(--red); font-size: 14px; font-weight: 600; word-break: break-word; }

.port-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.port-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-radius: 10px;
  padding: 7px 11px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--sep);
}
.port-chip.open { background: var(--ok-soft); color: var(--green); border-color: transparent; }
.port-chip.closed { background: var(--fill); color: var(--text3); }

.dns-group { margin-bottom: 10px; }
.dns-group:last-child { margin-bottom: 0; }
.dns-type {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--purple);
  background: rgba(175, 82, 222, 0.12);
  padding: 3px 8px;
  border-radius: 7px;
  margin-bottom: 6px;
}
[data-theme="dark"] .dns-type { color: #d8a4f0; }
.dns-recs { display: grid; gap: 4px; font-family: var(--mono); font-size: 13px; word-break: break-all; }

/* ---------- Layout с сайдбаром ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 22px;
  align-items: start;
  margin-top: 4px;
}
.sidebar { position: sticky; top: calc(var(--nav-h) + 14px); display: grid; gap: 16px; }
.about-card { padding: 16px; font-size: 14px; color: var(--text2); }
.about-card h3 { color: var(--text); font-size: 15.5px; margin-bottom: 8px; }
.about-card ul { padding-left: 18px; display: grid; gap: 5px; }
@media (max-width: 1080px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

/* ---------- Подвал ---------- */
.site-foot { margin-top: 52px; border-top: 1px solid var(--sep); }
.foot-in { padding: 26px 0 40px; color: var(--text2); font-size: 13.5px; display: grid; gap: 8px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 16px; }
.foot-links a { color: var(--text2); font-weight: 600; }
.foot-links a:hover { color: var(--blue); }

/* ---------- Тосты ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 16px);
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--sep-strong);
  box-shadow: var(--card-shadow-hover);
  padding: 12px 20px;
  border-radius: 14px;
  font-size: 14.5px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 120;
  max-width: min(92vw, 480px);
  text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Модалки ---------- */
.modal-back {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(0, 0, 0, 0.42);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.modal-back[hidden] { display: none; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--sep);
  border-radius: var(--radius-xl);
  box-shadow: var(--card-shadow-hover);
  width: 100%;
  max-width: 500px;
  max-height: 86vh;
  overflow: auto;
  padding: 22px;
}
.modal h3 { font-size: 18px; margin-bottom: 14px; letter-spacing: -0.02em; }
.modal .modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }
.token-box {
  font-family: var(--mono);
  font-size: 13px;
  background: var(--bg3);
  border: 1px solid var(--sep);
  padding: 12px;
  border-radius: 12px;
  word-break: break-all;
  user-select: all;
}

/* ---------- Скелетоны ---------- */
.skel {
  border-radius: 10px;
  background: linear-gradient(90deg, var(--fill) 25%, var(--fill2) 50%, var(--fill) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- Таблицы ---------- */
.tbl-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text2);
  font-weight: 700;
  padding: 10px 12px;
  border-bottom: 1px solid var(--sep-strong);
  white-space: nowrap;
}
.tbl td { padding: 11px 12px; border-bottom: 1px solid var(--sep); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl .mono { font-family: var(--mono); font-size: 13px; }
.tbl td.num { font-variant-numeric: tabular-nums; }

/* ---------- Переключатель (iOS switch) ---------- */
.switch { position: relative; display: inline-block; width: 50px; height: 30px; flex: 0 0 auto; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .track {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--fill3);
  transition: background 0.25s;
  cursor: pointer;
}
.switch .track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  transition: transform 0.25s;
}
.switch input:checked + .track { background: var(--green); }
.switch input:checked + .track::after { transform: translateX(20px); }

/* ---------- Сегментированный контроль ---------- */
.seg {
  display: inline-flex;
  background: var(--fill);
  border-radius: 12px;
  padding: 3px;
  gap: 2px;
  flex-wrap: nowrap;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}
.seg::-webkit-scrollbar { display: none; }
.seg button {
  border: 0;
  background: transparent;
  padding: 7px 14px;
  border-radius: 9px;
  font-weight: 650;
  font-size: 13.5px;
  color: var(--text2);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.18s, color 0.18s;
}
.seg button.active { background: var(--bg2); color: var(--text); box-shadow: 0 1px 5px rgba(0, 0, 0, 0.14); }

/* ---------- Сетка статистики админки ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}
.bar-row { display: grid; grid-template-columns: 90px 1fr 44px; gap: 10px; align-items: center; font-size: 13.5px; }
.bar-row .bar { height: 9px; border-radius: 999px; background: var(--fill); overflow: hidden; }
.bar-row .bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--blue), var(--indigo)); border-radius: 999px; }
.bar-row .cnt { text-align: right; font-variant-numeric: tabular-nums; font-weight: 700; }

/* ---------- Страница входа ---------- */
.login-wrap { min-height: calc(100vh - var(--nav-h) - 80px); display: flex; align-items: center; justify-content: center; padding: 24px 0; }
.login-card { width: 100%; max-width: 400px; padding: 30px 26px; }
.login-card h1 { font-size: 24px; letter-spacing: -0.02em; text-align: center; }
.login-card .sub { text-align: center; color: var(--text2); font-size: 14px; margin: 8px 0 20px; }
.login-card .field { margin-bottom: 10px; }
.form-err { color: var(--red); font-size: 13.5px; font-weight: 600; min-height: 18px; margin: 4px 0 8px; }

/* ---------- Админ-панель ---------- */
.admin-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 22px; padding-top: 20px; }
.admin-nav { position: sticky; top: calc(var(--nav-h) + 14px); display: grid; gap: 4px; align-self: start; }
.admin-nav button {
  text-align: left;
  border: 0;
  background: transparent;
  padding: 11px 14px;
  border-radius: 12px;
  font: inherit;
  font-size: 14.5px;
  font-weight: 650;
  color: var(--text2);
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}
.admin-nav button:hover { background: var(--fill); }
.admin-nav button.active { background: var(--accent-soft); color: var(--blue); }
.admin-nav .logout-btn { margin-top: 12px; color: var(--red); }
@media (max-width: 800px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-nav { position: static; display: flex; overflow-x: auto; padding-bottom: 6px; scrollbar-width: none; }
  .admin-nav::-webkit-scrollbar { display: none; }
  .admin-nav button { flex: 0 0 auto; }
  .admin-nav .logout-btn { margin-top: 0; margin-left: auto; }
}
.admin-panel { display: grid; gap: 16px; align-content: start; }
.panel-card { padding: 18px; }
.panel-card h2 { font-size: 17px; letter-spacing: -0.01em; margin-bottom: 14px; }
.panel-card h3 { font-size: 15px; margin: 14px 0 8px; }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.set-item label { display: block; font-size: 13px; font-weight: 650; color: var(--text2); margin-bottom: 6px; }
.ad-editor { display: grid; gap: 10px; padding: 14px; border: 1px solid var(--sep); border-radius: var(--radius-m); background: var(--bg3); }
.ad-editor textarea {
  width: 100%;
  min-height: 96px;
  font-family: var(--mono);
  font-size: 12.5px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1.5px solid transparent;
  background: var(--bg2);
  color: var(--text);
  outline: none;
  resize: vertical;
}
.ad-editor textarea:focus { border-color: var(--blue); }
.ad-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ad-head .slot-name { font-weight: 750; font-size: 14.5px; }
.ad-head .slot-key { font-family: var(--mono); font-size: 12px; color: var(--text3); }
.ad-head .spacer { flex: 1; }
.pagination { display: flex; align-items: center; gap: 10px; justify-content: center; margin-top: 14px; flex-wrap: wrap; }
.pagination .pg-info { font-size: 13.5px; color: var(--text2); font-variant-numeric: tabular-nums; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.filters .field { width: auto; flex: 1; min-width: 160px; }

/* ---------- Страница API-документации ---------- */
.docs h1 { font-size: clamp(26px, 4.6vw, 38px); letter-spacing: -0.03em; margin: 30px 0 10px; }
.docs .lead { color: var(--text2); font-size: 16.5px; max-width: 720px; }
.docs section { margin: 30px 0; }
.docs h2 { font-size: 21px; letter-spacing: -0.02em; margin-bottom: 12px; padding-top: 10px; }
.docs h3 { font-size: 16px; margin: 18px 0 8px; }
.endpoint { display: flex; align-items: center; gap: 10px; margin: 14px 0 8px; flex-wrap: wrap; }
.method {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  padding: 4px 9px;
  border-radius: 8px;
  letter-spacing: 0.04em;
}
.method.get { background: var(--ok-soft); color: var(--green); }
.method.post { background: var(--accent-soft); color: var(--blue); }
.method.put { background: var(--warn-soft); color: var(--orange); }
.method.patch { background: rgba(175, 82, 222, 0.14); color: var(--purple); }
.method.del { background: var(--err-soft); color: var(--red); }
.endpoint .path { font-family: var(--mono); font-weight: 700; font-size: 14px; word-break: break-all; }
.docs pre {
  background: var(--bg3);
  border: 1px solid var(--sep);
  border-radius: 14px;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 12.8px;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
  margin: 10px 0;
}
.docs p, .docs li { color: var(--text); font-size: 15px; }
.docs .muted { color: var(--text2); font-size: 14px; }

/* ---------- Утилиты ---------- */
.hidden { display: none !important; }
.muted { color: var(--text2); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); }
.mt-8 { margin-top: 8px; }
.mt-14 { margin-top: 14px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row .spacer { flex: 1; }
.grow { flex: 1; min-width: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Визуальная карта BGP ---------- */
.bgp-topo {
  border: 1px solid var(--sep);
  border-radius: var(--radius-l);
  background: var(--bg3);
  padding: 12px 14px 6px;
  margin-top: 14px;
}
.bgp-topo-head, .bgp-geo-head {
  font-size: 14px;
  font-weight: 750;
  margin-bottom: 8px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: baseline;
}
.bgp-svg { width: 100%; height: auto; display: block; }
.bgp-node rect { fill: var(--bg2); stroke: var(--sep-strong); stroke-width: 1.2; }
.bgp-node text { font-size: 13px; font-weight: 700; fill: var(--text); text-anchor: middle; }
.bgp-node text.sub { font-size: 10.5px; font-weight: 500; fill: var(--text2); }
.bgp-node.center rect { fill: var(--accent-soft); stroke: var(--blue); stroke-width: 2; }
.bgp-edge { stroke: var(--sep-strong); stroke-width: 1.4; }
.bgp-edge.up { stroke: var(--blue); }
.bgp-edge.down { stroke: var(--green); }
.bgp-edge.peer { stroke: var(--purple); stroke-dasharray: 4 4; }
.bgp-geo {
  border: 1px solid var(--sep);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--bg3);
}
.bgp-geo-head { padding: 12px 14px 0; }
#bgp-geomap { z-index: 1; }
.leaflet-container { background: var(--fill); font-family: var(--font); }
@media (max-width: 700px) {
  .bgp-svg { min-height: 320px; }
}

/* ---------- Граф связей BGP (connectivity, как в bgp.tools) ---------- */
.bgp-gnode { cursor: pointer; }
.bgp-gnode circle { transition: stroke-width 0.15s, filter 0.15s, transform 0.15s; transform-box: fill-box; transform-origin: center; }
.bgp-gnode:hover circle { stroke-width: 4; }
.bgp-gnode:focus-visible circle { stroke-width: 4; outline: none; }
.bgp-gnode.center { cursor: default; }
.bgp-gasn { font-size: 12.5px; font-weight: 750; fill: var(--text); text-anchor: middle; font-variant-numeric: tabular-nums; }
.bgp-gflag { font-size: 12px; text-anchor: middle; }
.bgp-gholder { font-size: 10px; fill: var(--text2); text-anchor: middle; }
.bgp-gedge { transition: opacity 0.15s; }
.bgp-gnode:hover + .bgp-gedge, .bgp-gnode:hover ~ .bgp-gedge { opacity: 1; }
.bgp-legend { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 4px; padding: 0 2px 8px; font-size: 12.5px; color: var(--text2); }
.bgp-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }
.bgp-back { margin-right: 2px; }
@media (max-width: 700px) {
  .bgp-gholder { display: none; }
}

/* ---------- Слоистая схема связей (как в bgp.tools) ---------- */
.bgp-bnode rect { fill: var(--bg2); stroke: #0a84ff; stroke-width: 1.6; }
.bgp-bnode.peer rect { stroke: #bf5af2; }
.bgp-bnode.down rect { stroke: #30d158; }
.bgp-bnode.tier1 rect { stroke: #0a84ff; stroke-width: 1.8; }
.bgp-bnode.origin rect { fill: var(--ok-soft); stroke: var(--green); stroke-width: 2.2; }
.bgp-bnode:hover rect { stroke-width: 3.2; }
.bgp-bnode:focus-visible rect { stroke-width: 3.2; outline: none; }
.bgp-basn { font-size: 12px; font-weight: 750; fill: var(--text); text-anchor: middle; font-variant-numeric: tabular-nums; }
.bgp-bname { font-size: 9.5px; fill: var(--text2); text-anchor: middle; }
.bgp-zone { fill: var(--fill); stroke: var(--sep-strong); stroke-width: 1; stroke-dasharray: 3 4; }
.bgp-zone.tier1 { fill: rgba(10, 132, 255, 0.07); }
.bgp-zone.orig { fill: rgba(52, 199, 89, 0.10); }
.bgp-zone-label { font-size: 10.5px; font-weight: 700; letter-spacing: 0.07em; fill: var(--text2); }

/* Клик по чипу соседа — переход в графе */
.bgp-chip { background: none; border: 0; font: inherit; color: inherit; cursor: pointer; padding: 0; font-family: var(--mono); font-weight: 700; }
.bgp-chip:hover { text-decoration: underline; }
.bgp-out { margin-left: 6px; color: inherit; opacity: 0.55; font-size: 12px; }
.bgp-out:hover { opacity: 1; }