/* === DARK theme (default) === */
:root,
:root[data-theme="dark"] {
  --bg: #05060e;
  --bg-elev: #0c0f1f;
  --panel: rgba(18, 22, 44, 0.6);
  --panel-strong: rgba(18, 22, 44, 0.92);
  --panel-border: rgba(120, 140, 220, 0.18);
  --panel-border-hover: rgba(120, 220, 255, 0.45);
  --ink: #eef0ff;
  --ink-dim: #aab1d4;
  --ink-faint: #6b7396;

  --accent: #5cf2ff;
  --accent-2: #c479ff;
  --pulse-1: rgba(92, 242, 255, 0.85);
  --pulse-2: rgba(196, 121, 255, 0.85);

  --ok: #6bffb8;
  --warn: #ffd56b;
  --danger: #ff6b8b;

  --bg-grad:
    radial-gradient(ellipse 80% 60% at 15% -10%, rgba(92, 242, 255, 0.18), transparent 60%),
    radial-gradient(ellipse 70% 60% at 105% 0%, rgba(196, 121, 255, 0.15), transparent 60%);

  --dot-color: rgba(120, 140, 220, 0.06);
  --dot-size: 22px;
  --starfield-opacity: 1;
  --cta-bg: linear-gradient(135deg, #b2baff, #c8b6ff);
  --cta-fg: #0c0f24;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-glow: 0 0 50px rgba(92, 242, 255, 0.18);
  --maxw: 1100px;
  --pad: clamp(16px, 3vw, 28px);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* === LIGHT theme (lavender) === */
:root[data-theme="light"] {
  --bg: #dddef5;
  --bg-elev: #ffffff;
  --panel: rgba(255, 255, 255, 0.85);
  --panel-strong: #ffffff;
  --panel-border: rgba(70, 76, 130, 0.10);
  --panel-border-hover: rgba(124, 126, 224, 0.45);
  --ink: #1b1d2e;
  --ink-dim: #5a607c;
  --ink-faint: #8c91ad;

  --accent: #7c7ee0;
  --accent-2: #9b8ff0;
  --pulse-1: rgba(124, 126, 224, 0.85);
  --pulse-2: rgba(155, 143, 240, 0.85);

  --ok: #1ea96b;
  --warn: #c08a00;
  --danger: #d5466a;

  --bg-grad: none;

  --dot-color: rgba(80, 86, 150, 0.16);
  --dot-size: 18px;
  --starfield-opacity: 0;
  --shadow-glow: 0 8px 30px rgba(124, 126, 224, 0.16);
  --cta-bg: #b2baff;
  --cta-fg: #1b1d2e;
}

/* === AUTO follows OS === */
@media (prefers-color-scheme: light) {
  :root[data-theme="auto"] {
    --bg: #dddef5;
    --bg-elev: #ffffff;
    --panel: rgba(255, 255, 255, 0.85);
    --panel-strong: #ffffff;
    --panel-border: rgba(70, 76, 130, 0.10);
    --panel-border-hover: rgba(124, 126, 224, 0.45);
    --ink: #1b1d2e;
    --ink-dim: #5a607c;
    --ink-faint: #8c91ad;
    --accent: #7c7ee0;
    --accent-2: #9b8ff0;
    --pulse-1: rgba(124, 126, 224, 0.85);
    --pulse-2: rgba(155, 143, 240, 0.85);
    --ok: #1ea96b;
    --warn: #c08a00;
    --danger: #d5466a;
    --bg-grad: none;
    --dot-color: rgba(80, 86, 150, 0.16);
    --dot-size: 18px;
    --starfield-opacity: 0;
    --shadow-glow: 0 8px 30px rgba(124, 126, 224, 0.16);
    --cta-bg: #b2baff;
    --cta-fg: #1b1d2e;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .25s ease, color .25s ease;
}
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-grad, none), var(--bg);
  overflow-x: hidden;
  position: relative;
}
/* Subtle dot-grid pattern. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image: radial-gradient(circle, var(--dot-color) 1px, transparent 1.4px);
  background-size: var(--dot-size) var(--dot-size);
  background-position: 0 0;
}

a { color: var(--accent); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--accent-2); }

h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.02em; font-weight: 700; }
h1 { font-size: clamp(2.1rem, 5.6vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.3rem, 2.6vw, 1.75rem); }
p  { margin: 0 0 1em; color: var(--ink-dim); }

#starfield {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: var(--starfield-opacity);
  transition: opacity .4s ease;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
  width: 100%;
}

.muted { color: var(--ink-faint); }

/* === HEADER (floating rounded pill) === */
.site-header {
  position: sticky;
  top: 14px;
  z-index: 50;
  padding: 0 var(--pad);
  margin-top: 14px;
}
.site-header .container { padding: 0; }

.nav-pill {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 8px 8px 8px 22px;
  background: var(--panel-strong);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
  transition: box-shadow .25s ease, border-color .25s ease;
}
.nav-pill:hover { box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  margin-right: auto;
}
.brand:hover { color: var(--ink); }
.brand-name {
  background: linear-gradient(120deg, var(--ink) 0%, var(--accent) 60%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-mark {
  position: relative;
  width: 26px; height: 26px;
  display: inline-block;
  flex-shrink: 0;
}
.brand-core {
  position: absolute; inset: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff, var(--accent) 55%, color-mix(in srgb, var(--accent) 50%, #000) 100%);
  box-shadow: 0 0 10px var(--pulse-1), 0 0 20px color-mix(in srgb, var(--pulse-1) 50%, transparent);
  animation: core-pulse 2.4s ease-in-out infinite;
}
.brand-beam {
  position: absolute; inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0deg, var(--pulse-1) 8deg, transparent 18deg, transparent 188deg, var(--pulse-2) 196deg, transparent 206deg, transparent 360deg);
  filter: blur(0.4px);
  opacity: .9;
  animation: beam-spin 3.2s linear infinite;
}
@keyframes core-pulse {
  0%, 100% { box-shadow: 0 0 10px var(--pulse-1), 0 0 18px color-mix(in srgb, var(--pulse-1) 35%, transparent); }
  50%      { box-shadow: 0 0 14px var(--pulse-1), 0 0 28px color-mix(in srgb, var(--pulse-1) 65%, transparent); }
}
@keyframes beam-spin { to { transform: rotate(360deg); } }

/* Nav links inside pill */
.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: .35rem;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: .92rem;
  font-weight: 500;
  color: var(--ink-dim);
  transition: color .15s ease, background-color .15s ease;
}
.nav-link:hover {
  color: var(--ink);
  background: rgba(127, 127, 127, 0.06);
}
.nav-link-ext {
  color: var(--ink-faint);
  flex-shrink: 0;
  transition: transform .15s ease, color .15s ease;
}
.nav-link:hover .nav-link-ext {
  color: var(--accent);
  transform: translate(1px, -1px);
}
.nav-link-icon {
  color: var(--ink-faint);
  flex-shrink: 0;
  transition: color .15s ease;
}
.nav-link:hover .nav-link-icon { color: var(--accent); }
.nav-link.is-active {
  color: var(--ink);
  background: rgba(127, 127, 127, 0.06);
}
.nav-link.is-active .nav-link-icon { color: var(--accent); }

/* Filled "channel" pill in Telegram-blue tint */
.nav-link-channel {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  font-weight: 600;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.nav-link-channel:hover {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
}
.nav-link-tg {
  flex-shrink: 0;
  filter: drop-shadow(0 0 4px color-mix(in srgb, var(--accent) 40%, transparent));
}

.nav-tools { display: flex; align-items: center; gap: .4rem; }

/* Mobile collapse: hide labels, keep icons + the channel CTA */
@media (max-width: 720px) {
  .site-header { top: 8px; margin-top: 8px; }
  .nav-pill {
    padding: 6px 6px 6px 14px;
    gap: .5rem;
  }
  .brand-name { display: none; }
  .nav-links { gap: .2rem; }
  .nav-link span:not(.nav-link-tg) { display: none; }
  .nav-link-channel span:not(.nav-link-tg) { display: inline; }  /* keep "Наш канал" label */
  .nav-link { padding: 7px 10px; }
  .lang-switch { display: none; }
}
@media (max-width: 480px) {
  .nav-link-channel span:not(.nav-link-tg) { display: none; }
}

.theme-toggle {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: rgba(127, 127, 127, 0.06);
  color: var(--ink-dim);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  cursor: pointer;
  transition: all .2s ease;
  position: relative;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--accent); }
.theme-icon { position: absolute; transition: transform .35s cubic-bezier(.5,1.6,.4,1), opacity .25s ease; }
.theme-icon-sun  { transform: scale(1) rotate(0deg); opacity: 1; }
.theme-icon-moon { transform: scale(0) rotate(-90deg); opacity: 0; }
:root[data-theme="dark"]  .theme-icon-sun,
:root[data-theme="auto"]  .theme-icon-sun  { transform: scale(0) rotate(90deg); opacity: 0; }
:root[data-theme="dark"]  .theme-icon-moon,
:root[data-theme="auto"]  .theme-icon-moon { transform: scale(1) rotate(0deg); opacity: 1; }
@media (prefers-color-scheme: light) {
  :root[data-theme="auto"] .theme-icon-sun  { transform: scale(1) rotate(0deg); opacity: 1; }
  :root[data-theme="auto"] .theme-icon-moon { transform: scale(0) rotate(-90deg); opacity: 0; }
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 2px;
  background: rgba(127, 127, 127, 0.04);
}
.lang-switch button {
  background: transparent;
  color: var(--ink-faint);
  border: none;
  font: inherit;
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .05em;
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .15s ease;
}
.lang-switch button:hover { color: var(--ink); }
.lang-switch button.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}

/* === HERO === */
.hero {
  position: relative;
  padding: clamp(56px, 10vw, 110px) 0 clamp(32px, 5vw, 56px);
  text-align: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--mono);
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--accent);
  padding: 5px 12px;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 999px;
  margin-bottom: 1.6rem;
}
.eyebrow::before {
  content: '';
  display: block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: blink 1.6s ease-in-out infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

.hero h1 {
  color: var(--ink);
  max-width: 16ch;
  margin: 0 auto 1rem;
  letter-spacing: -0.025em;
}
.hero p.lead {
  font-size: clamp(1rem, 1.3vw, 1.12rem);
  max-width: 42ch;
  color: var(--ink);
  margin: 0 auto 1.8rem;
}

/* === BIG CTA === */
.btn-mega {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: 14px 38px;
  min-height: 50px;
  border-radius: 999px;
  background: var(--cta-bg);
  color: var(--cta-fg);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .25s ease, opacity .2s ease, filter .15s ease;
  box-shadow: 0 6px 22px color-mix(in srgb, #b2baff 40%, transparent);
  font-family: inherit;
  position: relative;
}
.btn-mega:hover {
  color: var(--cta-fg);
  transform: translateY(-1px);
  filter: brightness(1.04);
  box-shadow: 0 10px 30px color-mix(in srgb, #b2baff 50%, transparent);
}
.btn-mega[disabled] { cursor: progress; transform: none !important; }

/* Mega-button loading state */
.btn-mega .btn-spinner {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--cta-fg) 25%, transparent);
  border-top-color: var(--cta-fg);
  display: none;
  animation: spin .7s linear infinite;
}
.btn-mega .btn-label-loading { display: none; }
.btn-mega.loading .btn-spinner       { display: inline-block; }
.btn-mega.loading .btn-label         { display: none; }
.btn-mega.loading .btn-label-loading { display: inline; }
.btn-mega.loading { filter: brightness(0.92); }

/* === SECTIONS === */
.section { padding: clamp(28px, 4.5vw, 48px) 0; }

.servers-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.2rem;
}
.servers-head h2 { margin: 0 0 .25rem; }
.servers-head p { margin: 0; font-size: .92rem; }

.refresh-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(127, 127, 127, 0.05);
  color: var(--ink-dim);
  border: 1px solid var(--panel-border);
  font: inherit;
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s ease;
}
.refresh-btn:hover { color: var(--ink); border-color: var(--accent); }
.refresh-btn.spinning svg { animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* === SERVER PILLS (compact) === */
.server-pills {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}
.server-pill {
  position: relative;
}
.server-pill button {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: 12px 18px 12px 16px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: .96rem;
  font-weight: 600;
  color: var(--ink);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform .15s ease, border-color .2s ease, box-shadow .2s ease;
}
.server-pill button:hover {
  transform: translateY(-1px);
  border-color: var(--panel-border-hover);
  box-shadow: var(--shadow-glow);
}
.server-pill .pill-flag { font-size: 1.2rem; line-height: 1; }
.server-pill .pill-arrow {
  width: 16px; height: 16px;
  margin-left: 2px;
  display: inline-flex;
  color: var(--ink-faint);
  transition: transform .2s ease, color .2s ease;
}
.server-pill button:hover .pill-arrow {
  color: var(--accent);
  transform: translateX(2px);
}
.server-pill .pill-status {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ink-faint);
  flex-shrink: 0;
}
.server-pill[data-online="true"]  .pill-status {
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
  animation: blink 2s ease-in-out infinite;
}
.server-pill[data-online="false"] .pill-status {
  background: var(--danger);
  box-shadow: 0 0 8px var(--danger);
}
.server-pill[data-no-secret="true"] button { opacity: .55; cursor: not-allowed; }
.server-pill[data-no-secret="true"] button:hover { transform: none; box-shadow: none; }

/* Tooltip with metrics on hover */
.pill-tooltip {
  position: absolute;
  left: 50%;
  top: calc(100% + 10px);
  transform: translateX(-50%);
  background: var(--panel-strong);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  min-width: 220px;
  font-size: .85rem;
  color: var(--ink);
  box-shadow: 0 12px 40px rgba(0,0,0,0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  pointer-events: none;
  opacity: 0;
  transition: opacity .15s ease, transform .15s ease;
  z-index: 10;
}
.server-pill:hover .pill-tooltip,
.server-pill:focus-within .pill-tooltip { opacity: 1; }

.pill-tooltip dl { margin: 0; display: grid; grid-template-columns: auto auto; row-gap: 4px; column-gap: 12px; }
.pill-tooltip dt { color: var(--ink-faint); font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.pill-tooltip dd { margin: 0; color: var(--ink); font-weight: 500; text-align: right; }

/* === MODAL === */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: var(--pad);
}
.modal.open { display: flex; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, #000 55%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fade-in .2s ease;
}
.modal-card {
  position: relative;
  width: 100%;
  max-width: 460px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  background: var(--bg-elev);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.4);
  animation: pop-in .2s cubic-bezier(.2, 1.4, .4, 1);
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop-in { from { opacity: 0; transform: translateY(10px) scale(.96); } to { opacity: 1; transform: none; } }

.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px 12px;
}
.modal-head h3 {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.1rem;
}
.modal-flag { font-size: 1.4rem; line-height: 1; }
.modal-close {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: rgba(127, 127, 127, 0.06);
  color: var(--ink-dim);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  cursor: pointer;
  transition: all .15s ease;
}
.modal-close:hover { color: var(--ink); border-color: var(--accent); }

.modal-body {
  padding: 8px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-server-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
}
.modal-server-flag { font-size: 1.6rem; line-height: 1; }
.modal-server-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.modal-server-name { font-weight: 600; color: var(--ink); }
.modal-server-host {
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--ink-faint);
  word-break: break-all;
}
.modal-server-status {
  display: inline-flex; align-items: center; gap: .35rem;
  font-family: var(--mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-faint);
  white-space: nowrap;
}
.modal-server-status::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--ink-faint);
}
.modal-server-status.online {
  color: var(--ok);
}
.modal-server-status.online::before {
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
  animation: blink 2s ease-in-out infinite;
}
.modal-server-status.offline { color: var(--danger); }
.modal-server-status.offline::before { background: var(--danger); }

/* Collapsible stats accordion */
.modal-stats-toggle {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.modal-stats-toggle > summary {
  list-style: none;
  cursor: pointer;
  padding: 11px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .9rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--panel);
  transition: background-color .15s ease;
}
.modal-stats-toggle > summary::-webkit-details-marker { display: none; }
.modal-stats-toggle > summary:hover { background: color-mix(in srgb, var(--accent) 6%, var(--panel)); }
.modal-stats-toggle > summary .chevron {
  color: var(--ink-faint);
  transition: transform .2s ease;
}
.modal-stats-toggle[open] > summary .chevron { transform: rotate(180deg); }

.modal-stats {
  margin: 0;
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  background: color-mix(in srgb, var(--panel) 50%, transparent);
}
.modal-stats > div {
  display: flex; flex-direction: column;
  padding: 8px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
}
.modal-stats dt {
  margin: 0;
  font-family: var(--mono);
  font-size: .66rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-faint);
}
.modal-stats dd {
  margin: 2px 0 0;
  font-size: .94rem;
  font-weight: 600;
  color: var(--ink);
}

.modal-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 4px 0 0;
}
.modal-qr-frame {
  padding: 14px;
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
}
.modal-qr-frame canvas {
  display: block;
  width: 220px;
  height: 220px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}
.modal-qr-hint {
  margin: 0;
  text-align: center;
  font-size: .9rem;
  color: var(--ink-dim);
  line-height: 1.5;
  max-width: 36ch;
}
.modal-qr-hint strong { color: var(--ink); }

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}
.modal-actions .btn-mega {
  width: 100%;
  padding: 14px 20px;
  min-height: 50px;
  font-size: 1rem;
}

/* Outline / ghost secondary action */
.btn-outline {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: 12px 18px;
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--panel-border);
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: .94rem;
  font-weight: 500;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}
.btn-outline:hover {
  color: var(--ink);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}
.btn-outline svg { color: var(--ink-faint); }

/* Tertiary text-link style action — for "fallback" use cases */
.btn-text {
  background: none;
  border: none;
  color: var(--ink-faint);
  font: inherit;
  font-size: .85rem;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--ink-faint) 40%, transparent);
  text-underline-offset: 3px;
  padding: 4px;
  cursor: pointer;
  align-self: center;
  transition: color .15s ease;
}
.btn-text:hover { color: var(--accent); text-decoration-color: var(--accent); }

/* === FAQ === */
.section-faq {
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(48px, 8vw, 96px);
  margin-top: auto;
}
.faq-head { margin-bottom: 1rem; }
.faq-head h2 { margin: 0 0 .25rem; }
.faq-head p { margin: 0; max-width: 56ch; font-size: .92rem; }
.faq-head a { color: var(--accent); }

.faq {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.faq-item {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.faq-item:hover { border-color: var(--panel-border-hover); }
.faq-item[open] { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05); }

.faq-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: .8rem;
  font-weight: 600;
  font-size: .98rem;
  color: var(--ink);
}
.faq-item > summary::-webkit-details-marker { display: none; }

/* Plus/minus circle icon */
.faq-toggle {
  position: relative;
  width: 22px; height: 22px;
  border: 1.5px solid var(--ink-faint);
  border-radius: 50%;
  flex-shrink: 0;
  transition: border-color .2s ease;
}
.faq-toggle::before,
.faq-toggle::after {
  content: '';
  position: absolute;
  background: var(--ink-dim);
  border-radius: 1px;
  transition: opacity .2s ease, transform .2s ease, background-color .2s ease;
}
.faq-toggle::before { left: 4px; right: 4px; top: 50%; height: 1.5px; transform: translateY(-50%); }
.faq-toggle::after  { top: 4px; bottom: 4px; left: 50%; width: 1.5px; transform: translateX(-50%); }
.faq-item[open] .faq-toggle { border-color: var(--accent); }
.faq-item[open] .faq-toggle::before { background: var(--accent); }
.faq-item[open] .faq-toggle::after  { opacity: 0; transform: translateX(-50%) rotate(90deg); }

.faq-answer {
  padding: 0 18px 16px 50px;
  color: var(--ink-dim);
  line-height: 1.55;
  font-size: .94rem;
}

/* === TOAST === */
.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--panel-strong);
  border: 1px solid var(--panel-border-hover);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: .92rem;
  font-weight: 500;
  color: var(--ink);
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
  backdrop-filter: blur(12px);
  z-index: 300;
  transition: transform .3s cubic-bezier(.2,.8,.3,1), opacity .3s ease;
  opacity: 0;
  pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* === MOBILE TUNING === */
@media (max-width: 480px) {
  .modal { padding: 12px; }
  .modal-head { padding: 14px 16px 8px; }
  .modal-body { padding: 4px 16px 18px; gap: 12px; }
  .modal-server-row { padding: 10px 12px; gap: 10px; }
  .modal-server-flag { font-size: 1.4rem; }

  .modal-qr-frame { padding: 10px; }
  .modal-qr-hint { font-size: .85rem; }

  /* Single column stats for very narrow screens — easier to read. */
  .modal-stats { grid-template-columns: 1fr; }

  .btn-mega { padding: 13px 28px; font-size: .96rem; }
  .modal-actions .btn-mega { padding: 12px 18px; }
  .btn-outline { padding: 11px 16px; }

  .hero { padding-top: clamp(40px, 8vw, 60px); }
  .hero p.lead { padding: 0 4px; }

  /* Server pills: each takes a full row to avoid cramped wrapping. */
  .server-pill { width: 100%; }
  .server-pill button { width: 100%; justify-content: flex-start; }
  .server-pill .pill-arrow { margin-left: auto; }

  /* Tooltip — center under pill, full-width-ish */
  .pill-tooltip {
    left: 0; right: 0; transform: none;
    min-width: 0;
  }
}

/* Touch devices — disable hover-only tooltip (it's noisy on tap).
   Users still get the same metrics in the modal. */
@media (hover: none) {
  .pill-tooltip { display: none; }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  .brand-beam, .brand-core, .eyebrow::before, .pill-status, .modal-server-status::before {
    animation: none !important;
  }
}

/* === /redirect — tg:// link builder === */
.hero-redirect {
  padding-top: clamp(48px, 8vw, 90px);
  padding-bottom: clamp(20px, 3vw, 32px);
  text-align: center;
}
.hero-redirect h1 { max-width: 22ch; }
.hero-redirect .lead { max-width: 56ch; }

.redirect-card {
  margin: 0 auto;
  max-width: 720px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: clamp(16px, 3vw, 26px);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
  text-align: left;
}

.redirect-input-wrap {
  position: relative;
  display: flex;
}
.redirect-input {
  width: 100%;
  padding: 16px 50px 16px 20px;
  background: var(--bg-elev);
  border: 1.5px solid var(--panel-border);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font: inherit;
  font-family: var(--mono);
  font-size: .96rem;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.redirect-input::placeholder {
  color: var(--ink-faint);
  font-family: var(--mono);
}
.redirect-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}
.redirect-clear {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: rgba(127, 127, 127, 0.08);
  color: var(--ink-faint);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease, background-color .15s ease;
}
.redirect-clear:hover { color: var(--ink); border-color: var(--accent); }

.redirect-examples {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.redirect-examples button {
  background: transparent;
  border: 1px dashed var(--panel-border);
  border-radius: 999px;
  padding: 4px 12px;
  font: inherit;
  font-family: var(--mono);
  font-size: .76rem;
  color: var(--ink-faint);
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease, background-color .15s ease;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.redirect-examples button:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.redirect-result {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--panel-border);
}
.redirect-result-empty,
.redirect-result-error,
.redirect-result-ok { display: none; }
.redirect-result[data-state="empty"] .redirect-result-empty { display: block; }
.redirect-result[data-state="error"] .redirect-result-error { display: block; }
.redirect-result[data-state="ok"]    .redirect-result-ok    { display: block; }
.redirect-result-empty,
.redirect-result-error {
  margin: 0;
  padding: 14px 16px;
  background: var(--bg-elev);
  border: 1px dashed var(--panel-border);
  border-radius: var(--radius-sm);
  color: var(--ink-dim);
  font-size: .92rem;
  text-align: center;
}
.redirect-result-error {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
  background: color-mix(in srgb, var(--danger) 6%, transparent);
}

.redirect-kind-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-elev);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
}
.redirect-kind-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
}
.redirect-kind-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}
.redirect-kind-label {
  font-family: var(--mono);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-faint);
}
.redirect-kind-detail {
  color: var(--ink);
  font-weight: 600;
  font-size: .96rem;
  word-break: break-all;
}

.redirect-short {
  margin: 10px 0 0;
  padding: 14px 16px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 14%, var(--bg-elev)), color-mix(in srgb, var(--accent-2) 10%, var(--bg-elev)));
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--panel-border));
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--accent) 12%, transparent);
}
.redirect-short-label {
  font-family: var(--mono);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--ink-faint);
}
.redirect-short-url {
  display: block;
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  word-break: break-all;
  user-select: all;
  cursor: pointer;
  outline: none;
}
.redirect-short-url:hover { color: var(--accent); }
.redirect-short-url:focus-visible {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
}
@media (max-width: 480px) {
  .redirect-short-url { font-size: .96rem; }
}

.redirect-actions {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.redirect-actions .btn-mega {
  width: 100%;
  padding: 13px 20px;
  min-height: 48px;
  font-size: .98rem;
}
.redirect-actions .btn-outline { width: 100%; }
@media (min-width: 560px) {
  .redirect-actions { grid-template-columns: 1.4fr 1fr 1fr; }
}

.redirect-qr {
  margin-top: 14px;
  display: flex;
  justify-content: center;
}
.redirect-qr[hidden] { display: none; }

.section-support {
  padding-bottom: clamp(48px, 8vw, 96px);
}
.section-support h2 {
  margin: 0 0 1rem;
  text-align: center;
}
.support-list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 720px;
  display: grid;
  gap: 8px;
}
.support-list li {
  padding: 10px 14px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  color: var(--ink-dim);
  font-size: .92rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.support-list li > span { color: var(--ink); font-weight: 500; }
.support-list code {
  display: inline-block;
  padding: 1px 6px;
  margin: 1px 2px;
  background: var(--bg-elev);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--accent);
  word-break: break-all;
}
.redirect-note {
  margin: 14px auto 0;
  text-align: center;
  font-size: .85rem;
  max-width: 56ch;
}


/* === /go.html — short-URL redirector === */
.go {
  padding: clamp(48px, 8vw, 96px) 0 clamp(28px, 4vw, 56px);
}
.go-card {
  margin: 0 auto;
  max-width: 520px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: clamp(20px, 4vw, 32px);
  text-align: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
}
.go-card h1 {
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  margin: 0 0 .4rem;
}
.go-card p.muted { margin: 0 0 1.2rem; font-size: .92rem; }
.go-spinner {
  display: inline-block;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 3px solid color-mix(in srgb, var(--accent) 18%, transparent);
  border-top-color: var(--accent);
  margin-bottom: 1rem;
  animation: spin .9s linear infinite;
}
.go-card .redirect-kind-row { text-align: left; }
.go-actions {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.go-actions .btn-mega { width: 100%; padding: 13px 20px; min-height: 48px; font-size: .98rem; }
.go-actions .btn-outline { width: 100%; }
.go-actions .btn-text { margin-top: 4px; }
.go-error-hint { max-width: 44ch; margin: 1rem auto 0; font-size: .9rem; }

/* === 404 === */
.error-page {
  text-align: center;
  padding: clamp(80px, 14vw, 160px) 0;
  flex: 1;
}
.error-code {
  font-family: var(--mono);
  font-size: clamp(5rem, 16vw, 10rem);
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0;
  line-height: 1;
}