.jng-root,
.jng-root * {
  box-sizing: border-box;
}

.jng-root {
  --jng-ink-bg: #1c1a20;
  --jng-paper: #f4eedd;
  --jng-paper-shadow: #e2d7bb;
  --jng-indigo: #3c5a86;
  --jng-vermillion: #bc3a32;
  --jng-gold: #b9975b;
  --jng-ink-text: #2a251f;
  --jng-muted: #8b8577;
  --jng-muted-light: #a8a196;

  position: relative;
  isolation: isolate;
  max-width: 900px;
  margin: 0 auto;
  padding: 56px 24px;
  background: var(--jng-ink-bg);
  border-radius: 18px;
  overflow: hidden;
  font-family: 'Noto Sans JP', sans-serif;
  line-height: normal;
}

.jng-root::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(185, 151, 91, 0.06), transparent 45%),
    radial-gradient(circle at 82% 75%, rgba(60, 90, 134, 0.10), transparent 50%);
  pointer-events: none;
}

.jng-root::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.05;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'../></filter><rect/index.html width='100%25' height='100%25' filter='url(%23n)'../></svg>/index.html");
}

.jng-stage {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 28px;
}

.jng-rail {
  writing-mode: vertical-rl;
  font-family: 'Shippori Mincho', serif;
  font-size: 15px;
  letter-spacing: 0.35em;
  color: var(--jng-muted-light);
  opacity: 0.55;
  flex-shrink: 0;
  padding-top: 6px;
  user-select: none;
}

.jng-panel {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.jng-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--jng-gold);
  margin-bottom: 22px;
}

.jng-eyebrow .jng-jp {
  font-family: 'Shippori Mincho', serif;
  font-size: 15px;
  letter-spacing: 0.2em;
  color: var(--jng-paper);
}

.jng-eyebrow .jng-line {
  width: 28px;
  height: 1px;
  background: var(--jng-gold);
  opacity: 0.6;
}

/* ---- card stack (paper depth) ---- */
.jng-card-wrap {
  position: relative;
  width: 100%;
  max-width: 520px;
}

.jng-card-wrap::before,
.jng-card-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--jng-paper-shadow);
  border-radius: 3px;
}

.jng-card-wrap::before {
  transform: rotate(-2.4deg) translateY(4px);
  z-index: 1;
}

.jng-card-wrap::after {
  transform: rotate(1.6deg) translateY(6px);
  z-index: 0;
  opacity: 0.7;
}

.jng-card {
  position: relative;
  z-index: 2;
  background: var(--jng-paper);
  color: var(--jng-ink-text);
  border-radius: 3px;
  padding: 56px 40px 42px;
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.55), 0 2px 0 rgba(0, 0, 0, 0.04);
  text-align: center;
  overflow: visible;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.jng-card-label {
  font-size: 10.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--jng-muted);
  margin-bottom: 18px;
}

.jng-kanji-name {
  font-family: 'Shippori Mincho', serif;
  font-weight: 700;
  font-size: clamp(40px, 8vw, 60px);
  line-height: 1.15;
  letter-spacing: 0.06em;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s ease, font-size 0.2s ease;
  color: var(--jng-ink-text);
}

.jng-kanji-name.jng-size-sm {
  font-size: clamp(30px, 6vw, 44px);
}

.jng-kanji-name.jng-size-xs {
  font-size: clamp(24px, 5vw, 34px);
}

.jng-romaji-name {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 24px;
  color: var(--jng-indigo);
  margin-top: 10px;
  letter-spacing: 0.03em;
}

.jng-brush-divider {
  width: 120px;
  height: 14px;
  margin: 22px auto 18px;
  display: block;
}

.jng-brush-divider path {
  fill: none;
  stroke: var(--jng-gold);
  stroke-width: 1.4;
  stroke-linecap: round;
}

.jng-meaning {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--jng-muted);
  max-width: 340px;
  min-height: 44px;
  margin: 0 auto;
}

.jng-meaning strong {
  color: var(--jng-ink-text);
  font-weight: 500;
}

/* ---- hanko seal ---- */
.jng-hanko {
  position: absolute;
  top: -26px;
  right: 6px;
  width: 74px;
  height: 74px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: var(--jng-vermillion);
  color: #f4e9df;
  font-family: 'Shippori Mincho', serif;
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 0.05em;
  box-shadow: 0 10px 22px -8px rgba(0, 0, 0, 0.5);
  border: 2px solid rgba(244, 233, 223, 0.85);
  cursor: pointer;
  transform: rotate(-4deg);
  writing-mode: vertical-rl;
  padding: 4px;
}

.jng-hanko::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 6px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.12), transparent 55%),
    radial-gradient(circle at 70% 75%, rgba(0, 0, 0, 0.15), transparent 50%);
  mix-blend-mode: overlay;
}

.jng-hanko span {
  position: relative;
  z-index: 1;
}

.jng-hanko .jng-copied {
  position: absolute;
  bottom: -26px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Noto Sans JP', sans-serif;
  writing-mode: horizontal-tb;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--jng-gold);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.jng-hanko.jng-copied-show .jng-copied {
  opacity: 1;
}

@keyframes jngStampDown {
  0% {
    transform: translateY(-38px) scale(2.1) rotate(var(--jng-rot, -4deg));
    opacity: 0;
  }

  55% {
    transform: translateY(3px) scale(0.92) rotate(var(--jng-rot, -4deg));
    opacity: 1;
  }

  75% {
    transform: translateY(-2px) scale(1.04) rotate(var(--jng-rot, -4deg));
  }

  100% {
    transform: translateY(0) scale(1) rotate(var(--jng-rot, -4deg));
  }
}

.jng-hanko.jng-stamp {
  animation: jngStampDown 0.55s cubic-bezier(.2, .9, .3, 1.1) both;
}

@keyframes jngRiseIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.jng-rise {
  animation: jngRiseIn 0.5s ease both;
}

/* ---- controls ---- */
.jng-controls {
  margin-top: 34px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  width: 100%;
  max-width: 520px;
}

.jng-toggle-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.jng-pill {
  appearance: none;
  border: 1px solid rgba(244, 238, 221, 0.18);
  background: transparent;
  color: var(--jng-muted-light);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 9px 16px;
  border-radius: 999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 7px;
  transition: all 0.2s ease;
  line-height: normal;
}

.jng-pill .jng-jp {
  font-family: 'Shippori Mincho', serif;
  font-size: 14px;
  color: inherit;
}

.jng-pill:hover {
  border-color: rgba(185, 151, 91, 0.5);
  color: var(--jng-paper);
}

.jng-pill.jng-active {
  background: rgba(185, 151, 91, 0.14);
  border-color: var(--jng-gold);
  color: var(--jng-paper);
}

.jng-surname-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--jng-muted-light);
}

.jng-switch {
  width: 34px;
  height: 19px;
  border-radius: 999px;
  background: rgba(244, 238, 221, 0.15);
  border: 1px solid rgba(244, 238, 221, 0.2);
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}

.jng-switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--jng-muted-light);
  transition: all 0.2s ease;
}

.jng-switch.jng-on {
  background: rgba(185, 151, 91, 0.35);
  border-color: var(--jng-gold);
}

.jng-switch.jng-on::after {
  left: 17px;
  background: var(--jng-gold);
}

.jng-generate-btn {
  appearance: none;
  border: none;
  cursor: pointer;
  background: var(--jng-paper);
  color: var(--jng-ink-bg);
  font-family: 'Shippori Mincho', serif;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.12em;
  padding: 14px 38px;
  border-radius: 3px 13px 4px 15px / 13px 4px 15px 3px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 14px 30px -14px rgba(0, 0, 0, 0.6);
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease;
  line-height: normal;
}

.jng-generate-btn:hover {
  background: var(--jng-vermillion);
  color: var(--jng-paper);
  transform: translateY(-2px);
}

.jng-generate-btn:active {
  transform: translateY(0px) scale(0.98);
}

.jng-generate-btn .jng-en {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.04em;
  opacity: 0.75;
}

.jng-history {
  margin-top: 30px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  min-height: 26px;
}

.jng-chip {
  font-family: 'Shippori Mincho', serif;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--jng-muted-light);
  background: rgba(244, 238, 221, 0.05);
  border: 1px solid rgba(244, 238, 221, 0.1);
  padding: 5px 12px;
  border-radius: 999px;
  animation: jngRiseIn 0.4s ease both;
}

@media (max-width: 640px) {
  .jng-rail {
    display: none;
  }

  .jng-card {
    padding: 44px 22px 34px;
  }

  .jng-root {
    padding: 40px 16px;
    border-radius: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .jng-hanko.jng-stamp {
    animation: none;
  }

  .jng-rise {
    animation: none;
  }

  .jng-chip {
    animation: none;
  }
}