:root {
  --bg: #07080c;
  --bg-2: #0e1016;
  --panel: #0d0e15;
  --panel-hi: #131421;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #f4f5fa;
  --text-dim: #9498a5;
  --text-muted: #555968;

  --accent: #8a8cff;
  --accent-2: #b09bff;
  --accent-3: #6c6ef2;
  --accent-glow: rgba(138, 140, 255, 0.4);

  --good: #4ade80;
  --bad: #f87171;
  --warn: #fbbf24;

  --radius-lg: 16px;
  --radius: 12px;
  --radius-sm: 8px;

  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, "SF Pro Display", system-ui, sans-serif;

  --ease: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
*::selection { background: rgba(138,140,255,0.3); color: var(--text); }

/* ========== SCROLLBAR ========== */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(138, 140, 255, 0.25) transparent;
}
*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
*::-webkit-scrollbar-track {
  background: transparent;
}
*::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(138, 140, 255, 0.18), rgba(108, 110, 242, 0.35));
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
  transition: background 0.2s ease;
}
*::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(138, 140, 255, 0.5), rgba(176, 155, 255, 0.55));
  background-clip: padding-box;
  border: 2px solid transparent;
  box-shadow: 0 0 10px rgba(138, 140, 255, 0.35);
}
*::-webkit-scrollbar-thumb:active {
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  background-clip: padding-box;
  border: 2px solid transparent;
}
*::-webkit-scrollbar-corner { background: transparent; }

/* macOS overlay scrollbar inside textareas — match the scheme */
textarea::-webkit-resizer {
  background:
    linear-gradient(135deg, transparent 0 45%, rgba(138,140,255,0.4) 45% 55%, transparent 55% 70%, rgba(138,140,255,0.25) 70% 80%, transparent 80%);
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ========== AURORA BACKDROP ========== */
.aurora {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  mask-image: radial-gradient(ellipse at 50% 20%, black 25%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 20%, black 25%, transparent 75%);
}
.aurora-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  will-change: transform;
}
.aurora-1 {
  width: 520px; height: 520px;
  top: -200px; left: 18%;
  background: radial-gradient(circle, rgba(138,140,255,0.55), transparent 70%);
  animation: drift1 22s ease-in-out infinite alternate;
}
.aurora-2 {
  width: 420px; height: 420px;
  top: -120px; right: 8%;
  background: radial-gradient(circle, rgba(176,155,255,0.4), transparent 70%);
  animation: drift2 28s ease-in-out infinite alternate;
}
.aurora-3 {
  width: 600px; height: 600px;
  top: 200px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(108,110,242,0.22), transparent 70%);
  animation: drift3 36s ease-in-out infinite alternate;
}
@keyframes drift1 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(80px, 60px) scale(1.1); }
}
@keyframes drift2 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-60px, 80px) scale(1.05); }
}
@keyframes drift3 {
  0%   { transform: translateX(-50%) translateY(0) scale(1); }
  100% { transform: translateX(-50%) translateY(60px) scale(1.08); }
}

/* subtle dotted grid */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Film grain — premium analog texture overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
}

/* ========== TOP ========== */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  width: 100%;
  background: linear-gradient(180deg, rgba(8,9,13,0.88) 0%, rgba(8,9,13,0.6) 100%);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}

/* Full-width animated gradient divider */
.top-bar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(138,140,255,0.06) 12%,
    rgba(138,140,255,0.55) 45%,
    rgba(176,155,255,0.6)  55%,
    rgba(138,140,255,0.06) 88%,
    transparent 100%);
  filter: drop-shadow(0 0 6px rgba(138,140,255,0.3));
  background-size: 220% 100%;
  animation: stripeFlow 11s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes stripeFlow {
  0%   { background-position:   0% 50%; }
  100% { background-position: 100% 50%; }
}

.top {
  max-width: 1020px;
  margin: 0 auto;
  padding: 20px 24px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  animation: fadeIn 0.6s var(--ease-out);
}
.logo-mark {
  width: 34px; height: 34px;
  color: var(--accent);
  filter: drop-shadow(0 0 16px var(--accent-glow));
  transition: transform 0.4s var(--ease);
  flex-shrink: 0;
}
.logo:hover .logo-mark { transform: rotate(-8deg) scale(1.05); }

.logo-mark .bubble { transform-origin: center; }

/* Bubbles rising above the flask opening */
.logo-mark .bubble-rise-1,
.logo-mark .bubble-rise-2,
.logo-mark .bubble-rise-3 {
  animation: bubbleRise 2.6s ease-in-out infinite;
}
.logo-mark .bubble-rise-2 { animation-delay: 0.7s; animation-duration: 3.0s; }
.logo-mark .bubble-rise-3 { animation-delay: 1.5s; animation-duration: 2.4s; }

@keyframes bubbleRise {
  0%   { transform: translateY(2.5px); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateY(-2.5px); opacity: 0; }
}

/* Bubbles inside the liquid — gentle bobbing */
.logo-mark .bubble-liq-1,
.logo-mark .bubble-liq-2,
.logo-mark .bubble-liq-3 {
  animation: bubbleLiq 3.2s ease-in-out infinite;
}
.logo-mark .bubble-liq-2 { animation-delay: 1.0s; animation-duration: 3.6s; }
.logo-mark .bubble-liq-3 { animation-delay: 2.0s; animation-duration: 2.9s; }

@keyframes bubbleLiq {
  0%   { transform: translateY(1.2px); opacity: 0.35; }
  25%  { opacity: 0.95; }
  75%  { opacity: 0.85; }
  100% { transform: translateY(-1.5px); opacity: 0.2; }
}

.logo-text {
  font-family: var(--sans);
  font-weight: 800;
  letter-spacing: -0.025em;
  font-size: 19px;
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  background: linear-gradient(180deg, #ffffff 0%, #bdc0cc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-text-accent {
  background: linear-gradient(180deg, #b8baff 0%, #7c7eff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 14px rgba(138,140,255,0.3));
}


.top-right {
  display: flex; align-items: center; gap: 12px;
  animation: fadeIn 0.6s var(--ease-out) 0.05s both;
}

/* Telegram icon button in header */
.tg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(138,140,255,0.20) 0%, rgba(138,140,255,0.06) 100%);
  border: 1px solid rgba(138,140,255,0.4);
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.2s var(--ease),
    background 0.25s var(--ease),
    border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.1),
    0 1px 0 rgba(0,0,0,0.25),
    0 0 18px -4px rgba(138,140,255,0.3);
}
.tg-btn:hover {
  background:
    linear-gradient(180deg, rgba(138,140,255,0.32) 0%, rgba(138,140,255,0.12) 100%);
  border-color: rgba(138,140,255,0.65);
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.15),
    0 1px 0 rgba(0,0,0,0.25),
    0 8px 24px -6px rgba(138,140,255,0.45);
}
.tg-btn:active { transform: translateY(0); }
.tg-btn svg {
  color: var(--accent);
  transition: transform 0.3s var(--ease);
}
.tg-btn:hover svg { transform: translate(2px, -2px) rotate(-8deg); }

/* ========== SEGMENTED PILLS ========== */
.lang-switch, .mode-switch {
  position: relative;
  display: inline-flex;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.015) 100%);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.05),
    0 1px 0 rgba(0,0,0,0.25),
    0 4px 18px -6px rgba(0,0,0,0.4);
}

.lang-btn, .mode-btn {
  position: relative;
  z-index: 1;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: var(--sans);
  font-weight: 500;
  cursor: pointer;
  border-radius: 999px;
  transition: color 0.3s var(--ease);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.lang-btn { font-family: var(--mono); font-size: 11px; letter-spacing: 0.5px; padding: 6px 12px; }
.mode-btn {
  font-size: 13px;
  padding: 9px 18px;
  gap: 7px;
  flex: 1 0 auto;
  min-width: 130px;
  text-align: center;
  white-space: nowrap;
}
.mode-btn svg { transition: color 0.3s var(--ease); color: var(--text-muted); flex-shrink: 0; }

.lang-btn:hover, .mode-btn:hover { color: var(--text); }
.lang-btn.active, .mode-btn.active { color: var(--text); }
.mode-btn.active svg { color: var(--accent); }

.lang-switch  { --seg-count: 2; }
.mode-switch  { --seg-count: 2; }

.seg-pill {
  position: absolute;
  top: 4px; bottom: 4px;
  left: 4px;
  width: calc((100% - 8px) / var(--seg-count));
  background: rgba(255,255,255,0.07);
  border-radius: 999px;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.06),
    0 1px 0 rgba(255,255,255,0.04),
    0 4px 12px rgba(0,0,0,0.3);
  transition: transform 0.45s var(--ease);
  z-index: 0;
  pointer-events: none;
}
.seg-pill-mode {
  background: linear-gradient(180deg, rgba(138,140,255,0.18), rgba(138,140,255,0.06));
  box-shadow:
    inset 0 0 0 1px rgba(138,140,255,0.3),
    0 4px 18px rgba(138,140,255,0.18);
}

.lang-switch[data-active="1"] .seg-pill,
.mode-switch[data-active="1"] .seg-pill-mode {
  transform: translateX(100%);
}

.mode-switch {
  align-self: center;
  margin: 4px auto 6px;
}

/* ========== MAIN ========== */
.wrap {
  position: relative;
  z-index: 1;
  max-width: 1020px;
  margin: 0 auto;
  padding: 16px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ========== HERO ========== */
.hero {
  padding: 32px 0 8px;
  text-align: center;
  animation: fadeUp 0.7s var(--ease-out) 0.1s both;
}
.title {
  font-family: var(--sans);
  font-size: clamp(40px, 6.5vw, 76px);
  line-height: 0.98;
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  display: inline-flex;
  align-items: baseline;
  gap: 0.22em;
  transition: opacity 0.22s ease-in, transform 0.34s var(--ease);
}
.title.morphing {
  opacity: 0;
  transform: translateY(4px);
}
.title-word {
  background: linear-gradient(180deg, #ffffff 0%, #c5c8d4 60%, #a8abb6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  filter: drop-shadow(0 1px 0 rgba(0,0,0,0.4));
}
.title-accent {
  background: linear-gradient(180deg, #d8d9ff 0%, #9698ff 50%, #7274f4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 22px rgba(138,140,255,0.28)) drop-shadow(0 1px 0 rgba(0,0,0,0.35));
  display: inline-block;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ========== VIEW TRANSITION ========== */
.view {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.view.leave-fwd, .view.leave-back,
.view.enter-fwd, .view.enter-back {
  /* GPU-compositing hint: keep this view on its own layer during transitions
     so child elements (textarea, gradients, shadows) don't get re-painted */
  will-change: transform, opacity;
  transform: translateZ(0);
  backface-visibility: hidden;
}
.view.leave-fwd  { animation: viewLeaveFwd  0.32s var(--ease) forwards; }
.view.leave-back { animation: viewLeaveBack 0.32s var(--ease) forwards; }
.view.enter-fwd  { animation: viewEnterFwd  0.5s  var(--ease-out) forwards; }
.view.enter-back { animation: viewEnterBack 0.5s  var(--ease-out) forwards; }

@keyframes viewIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes viewLeaveFwd {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(-32px); }
}
@keyframes viewLeaveBack {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(32px); }
}
@keyframes viewEnterFwd {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes viewEnterBack {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ========== CARD ========== */
.card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 60%),
    linear-gradient(180deg, var(--panel-hi) 0%, var(--panel) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition:
    border-color 0.35s var(--ease),
    transform 0.45s var(--ease-out),
    box-shadow 0.45s var(--ease-out);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.05),
    inset 0 0 0 1px rgba(255,255,255,0.015),
    0 1px 0 rgba(255,255,255,0.025),
    0 2px 4px rgba(0,0,0,0.2),
    0 24px 60px -28px rgba(0,0,0,0.55),
    0 60px 140px -60px rgba(138,140,255,0.06);
  animation: cardIn 0.55s var(--ease-out);
}
/* Top-edge gradient highlight (premium "lit edge" feel) */
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255,255,255,0.06) 18%,
    rgba(255,255,255,0.18) 50%,
    rgba(255,255,255,0.06) 82%,
    transparent 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.card:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.07),
    inset 0 0 0 1px rgba(255,255,255,0.02),
    0 1px 0 rgba(255,255,255,0.03),
    0 2px 4px rgba(0,0,0,0.25),
    0 32px 70px -28px rgba(0,0,0,0.6),
    0 80px 160px -60px rgba(138,140,255,0.1);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--text-dim);
}
.card-title {
  color: var(--text);
  font-weight: 500;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.4px;
}
.spacer { flex: 1; }
.hint {
  color: var(--text-muted);
  font-size: 11px;
  font-family: var(--mono);
}

.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--text-muted);
}
.dot-live {
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow);
  animation: pulse 1.4s infinite ease-in-out;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%     { opacity: 0.4; transform: scale(0.8); }
}

/* ========== INPUT ========== */
textarea#proxyInput, textarea#convInput {
  width: 100%;
  min-height: 360px;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.22) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 16px 18px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  resize: vertical;
  outline: none;
  transition:
    border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease),
    background 0.25s var(--ease);
  box-shadow:
    inset 0 1px 0 rgba(0,0,0,0.4),
    inset 0 0 0 1px rgba(255,255,255,0.01);
}
textarea#proxyInput:focus, textarea#convInput:focus {
  border-color: rgba(138,140,255,0.55);
  background:
    linear-gradient(180deg, rgba(0,0,0,0.42) 0%, rgba(0,0,0,0.3) 100%);
  box-shadow:
    inset 0 1px 0 rgba(0,0,0,0.4),
    0 0 0 4px rgba(138,140,255,0.12),
    0 0 28px -4px rgba(138,140,255,0.18);
}
textarea#proxyInput::placeholder, textarea#convInput::placeholder {
  color: var(--text-muted);
}

textarea#convOutput {
  width: 100%;
  min-height: 220px;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 16px 18px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  resize: vertical;
  outline: none;
}

.input-foot {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}
.drop-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: var(--text-dim);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
  font-size: 12px;
}
.drop-inline:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.drop-inline svg { color: currentColor; }
.drop-inline.drag-over {
  color: var(--accent);
  background: rgba(138,140,255,0.08);
}
.line-meter {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  align-items: center;
}

/* ========== BUTTONS ========== */
.btn {
  position: relative;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,0.02);
  color: var(--text);
  cursor: pointer;
  transition:
    transform 0.2s var(--ease),
    background 0.25s var(--ease),
    border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease),
    color 0.2s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  overflow: hidden;
}
.btn:hover {
  border-color: rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.05);
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.btn:disabled:hover { background: rgba(255,255,255,0.02); border-color: var(--border-strong); }

.btn-primary {
  position: relative;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-3) 100%);
  color: #0b0c14;
  border-color: rgba(255,255,255,0.22);
  font-weight: 600;
  padding: 11px 22px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.45),
    inset 0 -1px 0 rgba(0,0,0,0.18),
    0 1px 0 rgba(0,0,0,0.45),
    0 8px 16px -4px rgba(108,110,242,0.35),
    0 16px 36px -12px var(--accent-glow);
  overflow: hidden;
}
/* Subtle gloss highlight on top half */
.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0) 50%);
  border-radius: inherit;
  pointer-events: none;
}
/* Animated shimmer that sweeps on hover */
.btn-primary::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: -120%;
  width: 60%;
  background: linear-gradient(100deg, transparent 0%, rgba(255,255,255,0.45) 50%, transparent 100%);
  pointer-events: none;
  transition: left 0.6s var(--ease);
}
.btn-primary:hover::after { left: 120%; }
.btn-primary:hover {
  background: linear-gradient(180deg, #9a9cff 0%, #7e80f5 100%);
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.55),
    inset 0 -1px 0 rgba(0,0,0,0.2),
    0 1px 0 rgba(0,0,0,0.45),
    0 12px 22px -6px rgba(108,110,242,0.45),
    0 22px 48px -12px var(--accent-glow);
}
.btn-primary:active { transform: translateY(0) scale(0.99); }
.btn-primary:disabled::after { display: none; }

.btn-icon {
  transition: transform 0.3s var(--ease);
  color: currentColor;
}
.btn-primary:hover .btn-icon { transform: translateX(3px); }

/* ===== In-button progress bar ===== */
.btn-progress {
  display: none;
  position: absolute;
  inset: 0;
  padding: 0 18px;
  align-items: center;
  gap: 10px;
  pointer-events: none;
}
.btn.loading .btn-icon { visibility: hidden; }
.btn.loading .btn-progress { display: none; }
.btn.loading { cursor: progress; }
.btn.loading:hover { transform: none; }
.btn.loading .btn-text::after {
  content: "";
  display: inline-block;
  width: 1.2em;
  text-align: left;
  animation: btnDots 1.4s steps(4, end) infinite;
}
@keyframes btnDots {
  0%, 100% { content: ""; }
  25%      { content: "."; }
  50%      { content: ".."; }
  75%      { content: "..."; }
}

.btn-progress-track {
  flex: 1;
  height: 6px;
  background: rgba(0, 0, 0, 0.28);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}
.btn-progress-fill {
  position: absolute;
  top: 0; bottom: 0;
  left: 0;
  width: 0%;
  background: linear-gradient(90deg, rgba(255,255,255,0.95), #ffffff);
  border-radius: 999px;
  transition: width 0.4s var(--ease-out);
  box-shadow: 0 0 12px rgba(255,255,255,0.4);
}
.btn-progress-fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.55), transparent);
  animation: btnShimmer 1.2s linear infinite;
}
@keyframes btnShimmer {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}

.btn-progress-fill.indeterminate {
  width: 35%;
  animation: btnIndeterm 1.3s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  transition: none;
}
.btn-progress-fill.indeterminate::after { display: none; }
@keyframes btnIndeterm {
  0%   { left: -35%; }
  100% { left: 100%; }
}

.btn-progress-count {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: #0b0c14;
  min-width: 36px;
  text-align: right;
  letter-spacing: 0.3px;
  font-variant-numeric: tabular-nums;
}

.btn-cancel {
  background: rgba(248,113,113,0.06);
  border-color: rgba(248,113,113,0.32);
  color: rgba(248,113,113,0.92);
  font-weight: 500;
}
.btn-cancel:hover {
  background: rgba(248,113,113,0.12);
  border-color: rgba(248,113,113,0.55);
  color: var(--bad);
}
.btn-cancel svg {
  transition: transform 0.2s var(--ease);
}
.btn-cancel:hover svg { transform: rotate(90deg); }

.btn-ghost { background: transparent; }
.btn-ghost:hover { background: rgba(255,255,255,0.04); }
.btn-sm {
  padding: 6px 11px;
  font-size: 11.5px;
  font-family: var(--mono);
  color: var(--text-dim);
  border-radius: 8px;
}
.btn-sm:hover { color: var(--text); }

/* ===== "Check more" / back-to-input button (top of results) ===== */
.result-back-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.015) 100%);
  border: 1px solid var(--border);
  border-radius: 9px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.04),
    0 1px 0 rgba(0,0,0,0.25);
  animation: rowIn 0.3s var(--ease-out);
}
.result-back-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
}
.result-back-btn:active { transform: translateY(1px); }
.result-back-btn svg {
  color: var(--accent);
  transition: transform 0.25s var(--ease);
}
.result-back-btn:hover svg { transform: translateX(-3px); }

/* ===== Share box (below result cards) ===== */
.share-box {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  animation: rowIn 0.3s var(--ease-out);
}
.share-box-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-muted);
}
.share-box-row {
  display: flex;
  gap: 6px;
  align-items: stretch;
  flex-wrap: wrap;
}
.share-box-input {
  flex: 1;
  min-width: 220px;
  background: rgba(0,0,0,0.28);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  padding: 9px 13px;
  font-family: var(--mono);
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.share-box-input:focus {
  border-color: rgba(138,140,255,0.45);
  background: rgba(0,0,0,0.4);
  box-shadow: 0 0 0 3px rgba(138,140,255,0.1);
}
.share-box-input.loading {
  opacity: 0.6;
  cursor: wait;
}
.share-box-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 13px;
  height: 38px;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.4px;
  color: var(--text-dim);
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: 9px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s var(--ease);
  white-space: nowrap;
}
.share-box-btn:hover {
  color: var(--accent);
  border-color: rgba(138,140,255,0.4);
  background: rgba(138,140,255,0.07);
}
.share-box-btn:active { transform: translateY(1px); }
.share-box-btn[disabled],
.share-box-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}
.share-box-copy { padding: 0 11px; }
.share-box-copy svg { transition: transform 0.2s var(--ease); }
.share-box-copy:hover svg { transform: scale(1.08); }
.share-box-copy.copied {
  color: var(--good);
  border-color: rgba(74,222,128,0.4);
  background: rgba(74,222,128,0.08);
}
.share-box-action svg { opacity: 0.85; }
.share-box-action:hover svg { opacity: 1; transform: translateX(1px) translateY(-1px); }

/* ========== PROGRESS ========== */
.progress-bar {
  position: relative;
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.04);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 18px;
}
.progress-fill {
  position: relative;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  border-radius: 999px;
  transition: width 0.5s var(--ease-out);
  box-shadow: 0 0 18px var(--accent-glow);
}
.progress-fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  animation: shimmer 1.5s linear infinite;
}
@keyframes shimmer {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.stats:has(.stat.hidden) {
  grid-template-columns: 1fr;
}
.stat {
  position: relative;
  padding: 18px 18px 16px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.025) 0%, rgba(0,0,0,0.18) 100%),
    rgba(0,0,0,0.28);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.25s var(--ease), transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.04),
    0 1px 0 rgba(0,0,0,0.3);
  overflow: hidden;
}
.stat::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
  pointer-events: none;
}
.stat:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.06),
    0 1px 0 rgba(0,0,0,0.3),
    0 8px 24px -8px rgba(0,0,0,0.45);
}
.stat-val {
  font-size: 30px;
  font-weight: 700;
  font-family: var(--sans);
  color: var(--text);
  letter-spacing: -0.025em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-good { color: var(--good); text-shadow: 0 0 28px rgba(74,222,128,0.45); }
.stat-bad  { color: var(--bad);  text-shadow: 0 0 28px rgba(248,113,113,0.45); }
.stat-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-top: 6px;
  text-transform: uppercase;
}

/* ========== TABS / RESULTS ========== */
.tabs { display: flex; gap: 4px; }
.tab {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  transition: all 0.2s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.tab span:last-child {
  background: rgba(255,255,255,0.04);
  padding: 1px 7px;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 10.5px;
  font-family: var(--mono);
  font-weight: 600;
}
.tab:hover { color: var(--text); border-color: var(--border-strong); }
.tab.active {
  border-color: rgba(138,140,255,0.4);
  color: var(--text);
  background: rgba(138,140,255,0.08);
}
.tab.active span:last-child { color: var(--accent); background: rgba(138,140,255,0.14); }

.dl-actions { display: flex; gap: 6px; }

.results { display: flex; flex-direction: column; gap: 8px; }

.row {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.018) 0%, rgba(0,0,0,0.05) 100%),
    rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-family: var(--mono);
  font-size: 12px;
  animation: rowIn 0.45s var(--ease-out);
  transition:
    border-color 0.25s var(--ease),
    background 0.25s var(--ease),
    transform 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.025);
}
.row:hover {
  border-color: var(--border-strong);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(0,0,0,0.08) 100%),
    rgba(0,0,0,0.32);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.04),
    0 6px 18px -6px rgba(0,0,0,0.4);
}
.row-good:hover {
  border-color: rgba(74,222,128,0.35);
  box-shadow:
    inset 0 1px 0 rgba(74,222,128,0.08),
    0 6px 18px -6px rgba(74,222,128,0.12);
}
.row-dead:hover {
  border-color: rgba(248,113,113,0.32);
  box-shadow:
    inset 0 1px 0 rgba(248,113,113,0.08),
    0 6px 18px -6px rgba(248,113,113,0.12);
}
@keyframes rowIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.row-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.row-orig {
  color: var(--text);
  word-break: break-all;
  flex: 1;
  min-width: 0;
  font-size: 12.5px;
  font-weight: 500;
}
.row-ping {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.3px;
  flex-shrink: 0;
}

/* Compact pills (protocol / type / static-rotating / anonymity) */
.row-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 6px;
}
.rp {
  font-size: 10px;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.5px;
  font-weight: 600;
  text-transform: uppercase;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.025);
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  line-height: 1.2;
  height: 22px;
}
.rp-proto {
  color: #b8baff;
  border-color: rgba(176,155,255,0.32);
  background: rgba(176,155,255,0.07);
}
.rp-type {
  color: #fbbf24;
  border-color: rgba(251,191,36,0.3);
  background: rgba(251,191,36,0.06);
}
.rp-anon {
  color: var(--good);
  border-color: rgba(74,222,128,0.32);
  background: rgba(74,222,128,0.07);
}
.rp-anon-low {
  color: var(--bad);
  border-color: rgba(248,113,113,0.32);
  background: rgba(248,113,113,0.07);
}
.rp-anon-mid {
  color: var(--warn);
  border-color: rgba(251,191,36,0.3);
  background: rgba(251,191,36,0.06);
}
.rp-anon-high {
  color: var(--good);
  border-color: rgba(74,222,128,0.32);
  background: rgba(74,222,128,0.07);
}

/* Structured 3-column groups (Auth / Network / Params) */
.row-groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.rg {
  padding: 0 14px;
  border-right: 1px solid var(--border);
  min-width: 0;
}
.rg:first-child { padding-left: 0; }
.rg:last-child  { padding-right: 0; border-right: none; }
.rg-title {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 600;
}
.rg-rows {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.rg-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  min-height: 22px;
}
.rg-key {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  flex-shrink: 0;
  min-width: 72px;
  line-height: 1.4;
}
.rg-val {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  word-break: break-word;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  line-height: 1.4;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.rg-val-dim { color: var(--text-dim); }
.rg-val .rp { font-family: var(--mono); }

@media (max-width: 720px) {
  .row-groups {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .rg {
    padding: 12px 0 0;
    border-right: none;
    border-top: 1px solid var(--border);
  }
  .rg:first-child {
    padding-top: 0;
    border-top: none;
  }
}
.badge {
  font-size: 9.5px;
  padding: 3px 9px;
  border-radius: 999px;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  font-weight: 700;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text-dim);
}
.badge-good {
  color: var(--good);
  border-color: rgba(74,222,128,0.32);
  background: rgba(74,222,128,0.08);
}
.badge-dead {
  color: var(--bad);
  border-color: rgba(248,113,113,0.32);
  background: rgba(248,113,113,0.08);
}

.row-body {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 6px 24px;
  color: var(--text-dim);
}
.kv { display: flex; gap: 8px; align-items: baseline; min-width: 0; }
.kv .k {
  color: var(--text-muted);
  font-size: 9.5px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  min-width: 78px;
}
.kv .v { color: var(--text); word-break: break-word; }

.row-dead .reason { color: var(--bad); font-size: 11.5px; opacity: 0.85; }

/* ========== CONVERTER ========== */
.fmt-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 18px;
}
.fmt-chip {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.025) 0%, rgba(0,0,0,0.05) 100%),
    rgba(255,255,255,0.015);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 12px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  text-align: left;
  transition:
    color 0.2s var(--ease),
    border-color 0.25s var(--ease),
    background 0.25s var(--ease),
    transform 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
  word-break: break-all;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}
.fmt-chip:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(0,0,0,0.05) 100%),
    rgba(255,255,255,0.02);
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.05),
    0 6px 18px -6px rgba(0,0,0,0.4);
}
.fmt-chip.active {
  color: var(--text);
  border-color: rgba(138,140,255,0.55);
  background:
    linear-gradient(180deg, rgba(138,140,255,0.18) 0%, rgba(138,140,255,0.06) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.12),
    0 0 0 3px rgba(138,140,255,0.1),
    0 8px 22px -6px rgba(138,140,255,0.25);
}

.ipv6-card {
  background:
    radial-gradient(600px 200px at 50% 0%, rgba(138,140,255,0.08), transparent 70%),
    linear-gradient(180deg, rgba(255,255,255,0.025) 0%, rgba(255,255,255,0) 100%),
    var(--panel);
}

.ipv6-input-wrap {
  position: relative;
}
.ipv6-input-wrap::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius) + 1px);
  padding: 1px;
  background: linear-gradient(135deg, rgba(138,140,255,0.4), rgba(176,155,255,0.1) 40%, transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.5;
  transition: opacity 0.3s var(--ease);
}
.ipv6-input-wrap:focus-within::before { opacity: 1; }

.ipv6-input-icon {
  position: absolute;
  top: 18px;
  left: 18px;
  color: var(--accent);
  filter: drop-shadow(0 0 10px var(--accent-glow));
  pointer-events: none;
  z-index: 1;
  transition: transform 0.4s var(--ease);
}
.ipv6-input-wrap:focus-within .ipv6-input-icon {
  transform: rotate(-15deg) scale(1.05);
}

textarea#ipv6Input {
  width: 100%;
  min-height: 160px;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 18px 20px 18px 48px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.7;
  resize: vertical;
  outline: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
textarea#ipv6Input:focus {
  border-color: rgba(138,140,255,0.5);
  background: rgba(0,0,0,0.45);
  box-shadow: 0 0 0 4px rgba(138,140,255,0.10);
}
textarea#ipv6Input::placeholder {
  color: var(--text-muted);
  font-size: 13px;
}

.intro {
  text-align: center;
  padding: 4px 8px 8px;
  max-width: 640px;
  margin: 0 auto;
  animation: fadeUp 0.5s var(--ease-out);
}
.intro-title {
  font-size: clamp(20px, 2.6vw, 24px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  color: var(--text);
  background: linear-gradient(180deg, #ffffff 0%, #c5c8d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.intro-desc {
  margin: 0;
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.55;
}

.ipv6-hint {
  font-size: 11.5px;
  color: var(--text-muted);
  font-family: var(--mono);
  letter-spacing: 0.2px;
  flex: 1;
}

.row-ipv6 {
  background: rgba(0,0,0,0.22);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 12px;
  animation: rowIn 0.45s var(--ease-out);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.row-ipv6:hover { border-color: var(--border-strong); background: rgba(0,0,0,0.32); }
.row-ipv6.ipv6-yes:hover { border-color: rgba(74,222,128,0.32); }
.row-ipv6.ipv6-no:hover  { border-color: rgba(248,113,113,0.32); }

.ipv6-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.ipv6-domain {
  font-size: 14px;
  font-weight: 600;
  font-family: var(--sans);
  color: var(--text);
  letter-spacing: -0.01em;
}
.ipv6-verdict {
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  font-weight: 700;
  font-family: var(--mono);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.ipv6-verdict.yes {
  color: var(--good);
  border: 1px solid rgba(74,222,128,0.4);
  background: rgba(74,222,128,0.10);
}
.ipv6-verdict.no {
  color: var(--bad);
  border: 1px solid rgba(248,113,113,0.4);
  background: rgba(248,113,113,0.10);
}

.ipv6-rows {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  color: var(--text-dim);
}
.ipv6-row {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 4px 0;
}
.ipv6-row .ipv6-key {
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  min-width: 96px;
  flex-shrink: 0;
}
.ipv6-row .ipv6-val {
  color: var(--text);
  word-break: break-all;
  font-size: 11.5px;
}
.ipv6-val .addr-mono { color: var(--accent); }
.ipv6-val.no-records { color: var(--text-muted); font-style: italic; }
.ipv6-row .ipv6-val.warn { color: var(--warn); }

/* Converter two-step transitions */
.conv-step { animation: viewIn 0.35s var(--ease-out); }

.conv-step-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 4px 0 14px;
  color: var(--text);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 11px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}
.btn-back:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: rgba(255,255,255,0.04);
}
.btn-back:active { transform: translateY(1px); }
.btn-back svg { transition: transform 0.25s var(--ease); }
.btn-back:hover svg { transform: translateX(-3px); }

.conv-note {
  margin-top: 12px;
  padding: 11px 13px;
  background: rgba(251, 191, 36, 0.06);
  border: 1px solid rgba(251, 191, 36, 0.22);
  border-radius: var(--radius-sm);
  color: var(--warn);
  font-size: 11.5px;
  font-family: var(--mono);
  line-height: 1.55;
  animation: rowIn 0.4s var(--ease-out);
}

/* ========== GLOBAL LOADER ========== */
.global-loader {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: rgba(255,255,255,0.04);
  z-index: 1000;
  overflow: hidden;
  pointer-events: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.global-loader.hidden { display: none !important; }

.global-loader-fill {
  position: absolute;
  top: 0; bottom: 0;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(138,140,255,0.4) 30%,
    var(--accent) 50%,
    var(--accent-2) 70%,
    transparent 100%);
  box-shadow: 0 0 18px var(--accent-glow);
  border-radius: 999px;
}

.global-loader.indeterminate .global-loader-fill {
  left: 0;
  width: 35%;
  animation: globalSlide 1.4s infinite cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes globalSlide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(385%); }
}

.global-loader.determinate .global-loader-fill {
  left: 0;
  width: 0%;
  transition: width 0.4s var(--ease-out);
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
}

/* ========== TOASTS ========== */
.toast-stack {
  position: fixed;
  top: 22px;
  right: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1100;
  pointer-events: none;
  max-width: calc(100vw - 44px);
}
.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 380px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 16px;
  background: rgba(15, 16, 22, 0.92);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.06) inset,
    0 16px 40px -10px rgba(0,0,0,0.6);
  font-size: 13px;
  color: var(--text);
  line-height: 1.45;
  animation: toastIn 0.35s var(--ease-out);
  transform-origin: top right;
}
.toast.leaving { animation: toastOut 0.25s var(--ease) forwards; }

.toast .toast-icon {
  flex-shrink: 0;
  width: 18px; height: 18px;
  margin-top: 1px;
}
.toast .toast-body { flex: 1; min-width: 0; }
.toast .toast-title {
  font-weight: 600;
  letter-spacing: -0.005em;
  font-size: 13px;
  color: var(--text);
}
.toast .toast-msg {
  margin-top: 2px;
  color: var(--text-dim);
  font-size: 12px;
}
.toast .toast-close {
  flex-shrink: 0;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  margin: -2px;
  border-radius: 4px;
  transition: color 0.15s var(--ease);
  font-size: 16px;
  line-height: 1;
}
.toast .toast-close:hover { color: var(--text); }

.toast.warn { border-color: rgba(251, 191, 36, 0.4); }
.toast.warn .toast-icon { color: var(--warn); filter: drop-shadow(0 0 10px rgba(251,191,36,0.4)); }
.toast.warn .toast-title { color: var(--warn); }

.toast.error { border-color: rgba(248, 113, 113, 0.45); }
.toast.error .toast-icon { color: var(--bad); filter: drop-shadow(0 0 10px rgba(248,113,113,0.4)); }
.toast.error .toast-title { color: var(--bad); }

.toast.info { border-color: rgba(138, 140, 255, 0.4); }
.toast.info .toast-icon { color: var(--accent); filter: drop-shadow(0 0 10px var(--accent-glow)); }
.toast.info .toast-title { color: var(--accent); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px) scale(0.96); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(20px); }
}

@media (max-width: 480px) {
  .toast-stack { top: 12px; right: 12px; left: 12px; max-width: none; }
  .toast { min-width: 0; max-width: none; }
}

/* ========== INFO SECTION (About / How / FAQ) ========== */
.info-section {
  position: relative;
  z-index: 1;
  padding: 40px 24px 30px;
  margin-top: 24px;
  border-top: 1px solid var(--border);
  background:
    radial-gradient(800px 300px at 50% 0%, rgba(138,140,255,0.05), transparent 70%);
}
.info-wrap {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.info-block { display: flex; flex-direction: column; gap: 14px; }
.info-title {
  font-family: var(--sans);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0;
  background: linear-gradient(180deg, #ffffff 0%, #c5c8d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.info-text {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.65;
}
.info-steps {
  margin: 0;
  padding-left: 20px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.info-steps li b { color: var(--text); font-weight: 600; }
.info-steps code {
  font-family: var(--mono);
  font-size: 12px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--accent);
}
.info-steps li::marker {
  color: var(--accent);
  font-weight: 600;
}

/* FAQ accordion */
.faq {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.faq-item {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.025) 0%, rgba(0,0,0,0.05) 100%),
    rgba(0,0,0,0.22);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.025);
}
.faq-item[open] {
  border-color: rgba(138,140,255,0.35);
}
.faq-item:hover { border-color: var(--border-strong); }
.faq-q {
  cursor: pointer;
  list-style: none;
  padding: 13px 16px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  user-select: none;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q::before {
  content: "";
  width: 8px; height: 8px;
  border-right: 1.6px solid var(--accent);
  border-bottom: 1.6px solid var(--accent);
  transform: rotate(-45deg);
  transition: transform 0.25s var(--ease);
  margin-right: 4px;
  flex-shrink: 0;
}
.faq-item[open] .faq-q::before { transform: rotate(45deg); }
.faq-a {
  margin: 0;
  padding: 0 16px 14px 30px;
  color: var(--text-dim);
  font-size: 13.5px;
  line-height: 1.65;
}

/* Site footer */
.site-footer {
  position: relative;
  z-index: 1;
  padding: 22px 24px 36px;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}
.site-footer-inner {
  max-width: 1020px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--mono);
  letter-spacing: 0.3px;
}
.site-footer-brand { color: var(--text-dim); font-weight: 600; }
.site-footer-sep { opacity: 0.5; }
.site-footer-link {
  color: var(--accent);
  text-decoration: none;
  margin-left: auto;
  transition: color 0.2s var(--ease);
}
.site-footer-link:hover { color: var(--accent-2); }

/* ========== Performance / accessibility ========== */
/* Honour user's reduced-motion preference: disable decorative loops,
   keep only essential transitions (fade/slide on user interaction). */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.15s !important;
    scroll-behavior: auto !important;
  }
  .aurora-blob,
  body::after,
  .top-bar::after,
  .progress-fill::after,
  .global-loader-fill,
  .logo-mark .bubble,
  .btn-primary::after { animation: none !important; }
}

/* GPU-compositing hint for elements that animate frequently */
.aurora-blob,
.bg-orb,
.btn-primary,
.btn-primary::after,
.row,
.card,
.global-loader-fill,
.progress-fill {
  will-change: transform;
}

/* ========== UTIL ========== */
.hidden { display: none !important; }

@media (max-width: 640px) {
  .wrap { padding: 20px 16px 48px; }
  .top { padding: 16px; }
  .card { padding: 16px; }
  .stats { grid-template-columns: 1fr; }
  .hero { padding: 16px 0 4px; }
  .fmt-grid { grid-template-columns: 1fr; }
  .dl-actions { flex-wrap: wrap; }
  .mode-btn { min-width: 92px; padding: 8px 10px; font-size: 12px; }
}