:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: rgba(13, 17, 23, 0.92);
  --panel-border: rgba(139, 148, 158, 0.18);
  --text: #d8e1ea;
  --muted: #8b949e;
  --accent: #58a6ff;
  --success: #3fb950;
  --warn: #d29922;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", "Noto Sans JP", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(88, 166, 255, 0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(63, 185, 80, 0.18), transparent 26%),
    linear-gradient(180deg, #09111d 0%, #0b1020 55%, #121826 100%);
}

.page-shell {
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 8px 0 28px;
  align-items: flex-start;
}

.eyebrow {
  margin: 0 0 12px;
  color: #9ecbff;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  line-height: 1.1;
  font-size: clamp(34px, 5vw, 56px);
}

.hero-text {
  max-width: 720px;
  margin: 16px 0 0;
  color: #aeb8c5;
  line-height: 1.7;
  font-size: 15px;
}

.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.ghost-link,
.ghost-btn,
.demo-toolbar button {
  border: 1px solid rgba(139, 148, 158, 0.26);
  background: rgba(22, 27, 34, 0.72);
  color: var(--text);
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
  transition: 0.2s ease;
}

.ghost-link:hover,
.ghost-btn:hover,
.demo-toolbar button:hover {
  border-color: rgba(88, 166, 255, 0.46);
  color: #ffffff;
}

.ghost-btn.active {
  border-color: rgba(63, 185, 80, 0.4);
  color: var(--success);
}

.demo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr);
  gap: 20px;
}

.demo-stage,
.info-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(14px);
}

.demo-stage {
  padding: 18px;
}

.demo-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 2px 4px 16px;
}

.toolbar-field {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.toolbar-field select {
  min-width: 200px;
  border-radius: 12px;
  border: 1px solid rgba(139, 148, 158, 0.24);
  background: rgba(9, 17, 29, 0.9);
  color: var(--text);
  padding: 10px 12px;
}

.toolbar-actions {
  display: flex;
  gap: 10px;
}

.toolbar-actions .subtle-btn {
  background: rgba(9, 17, 29, 0.6);
  color: #9fb0c1;
}

#app-shell {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.1fr);
  min-height: 720px;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(139, 148, 158, 0.16);
}

#character-panel {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 20%, rgba(88, 166, 255, 0.16), transparent 35%),
    linear-gradient(180deg, #0d1117 0%, #131e31 65%, #172537 100%);
}

#live2d-canvas,
#fallback-char {
  width: 100%;
  height: 100%;
}

#fallback-char {
  --fb-accent: #58a6ff;
  --fb-mouth-color: #f97583;
  --fb-name-color: #58a6ff;
  --fb-face-scale: 1;
  --fb-skin-color: #f3d2ba;
  --fb-hair-color: #1f2430;
  --fb-coat-color: #101722;
  --fb-shirt-color: #d9dee6;
  --fb-eye-color: #dfe7f2;
  --fb-glow-color: rgba(88, 166, 255, 0.2);
  display: grid;
  place-items: center;
  position: relative;
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.24));
}

#fallback-char[hidden] {
  display: none;
}

.demo-unavailable {
  width: min(100%, 320px);
  padding: 22px 24px;
  border-radius: 20px;
  border: 1px solid rgba(139, 148, 158, 0.24);
  background: rgba(9, 17, 29, 0.78);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
}

.demo-unavailable strong {
  display: block;
  margin-bottom: 10px;
  font-size: 15px;
  color: #f0f6fc;
}

.demo-unavailable p {
  margin: 0;
  color: #aab6c4;
  line-height: 1.7;
  font-size: 14px;
}

.demo-candidate {
  width: min(100%, 344px);
  padding: 26px 24px;
  border-radius: 24px;
  border: 1px solid rgba(139, 148, 158, 0.22);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 34%),
    rgba(9, 17, 29, 0.82);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.28);
}

.demo-candidate-kind {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(88, 166, 255, 0.14);
  color: #9ecbff;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.demo-candidate h3 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.15;
}

.demo-candidate p {
  margin: 0;
  color: #acb8c6;
  font-size: 14px;
  line-height: 1.75;
}

.demo-candidate-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.demo-candidate-chips span {
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(139, 148, 158, 0.2);
  background: rgba(255, 255, 255, 0.04);
  color: #d3dde7;
  font-size: 12px;
}

#fallback-char[data-variant="simple"] {
  text-align: center;
  padding-bottom: 84px;
}

#fallback-char[data-variant="simple"] .fb-face {
  font-size: calc(124px * var(--fb-face-scale));
  line-height: 1;
}

#fallback-char[data-variant="simple"] .fb-eyes {
  letter-spacing: 30px;
  margin-bottom: -22px;
  color: var(--fb-accent);
}

#fallback-char[data-variant="simple"] .fb-mouth {
  font-size: 64px;
  color: var(--fb-mouth-color);
}

.fb-name {
  margin-top: 18px;
  font-size: 24px;
  color: var(--fb-name-color);
  font-weight: 700;
}

#character-panel.speaking #fallback-char[data-variant="simple"] .fb-face {
  animation: fb-bob 0.16s ease-in-out infinite alternate;
}

#character-panel.speaking #fallback-char[data-variant="simple"] .fb-mouth {
  animation: fb-talk 0.1s ease-in-out infinite;
}

#fallback-char[data-variant="portrait-kurose"] .fb-portrait-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: min(100%, 430px);
  transform: translateY(30px);
}

#fallback-char[data-variant="portrait-kurose"] .fb-glow {
  position: absolute;
  inset: 48px 64px 104px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--fb-glow-color) 0%, rgba(255, 255, 255, 0) 72%);
  filter: blur(18px);
}

#fallback-char[data-variant="portrait-kurose"] .fb-portrait {
  position: relative;
  width: 320px;
  height: 420px;
  animation: fb-kurose-float 4.2s ease-in-out infinite;
}

#fallback-char[data-variant="portrait-kurose"] .fb-head {
  position: absolute;
  top: 42px;
  left: 50%;
  width: 182px;
  height: 214px;
  transform: translateX(-50%);
}

#fallback-char[data-variant="portrait-kurose"] .fb-hair-back,
#fallback-char[data-variant="portrait-kurose"] .fb-hair-front,
#fallback-char[data-variant="portrait-kurose"] .fb-faceplate,
#fallback-char[data-variant="portrait-kurose"] .fb-neck,
#fallback-char[data-variant="portrait-kurose"] .fb-body,
#fallback-char[data-variant="portrait-kurose"] .fb-shirt,
#fallback-char[data-variant="portrait-kurose"] .fb-lapel,
#fallback-char[data-variant="portrait-kurose"] .fb-brow,
#fallback-char[data-variant="portrait-kurose"] .fb-eye,
#fallback-char[data-variant="portrait-kurose"] .fb-mouth {
  position: absolute;
}

#fallback-char[data-variant="portrait-kurose"] .fb-hair-back {
  inset: 0;
  border-radius: 44% 44% 42% 42%;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 26%),
    linear-gradient(180deg, #2a3342 0%, var(--fb-hair-color) 38%, #0c1219 100%);
  box-shadow: 0 18px 24px rgba(0, 0, 0, 0.26);
}

#fallback-char[data-variant="portrait-kurose"] .fb-faceplate {
  left: 24px;
  right: 24px;
  top: 28px;
  bottom: 16px;
  border-radius: 44% 44% 48% 48%;
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 255, 255, 0.18), transparent 26%),
    linear-gradient(180deg, #f0d5c1 0%, var(--fb-skin-color) 58%, #d6af91 100%);
  overflow: hidden;
}

#fallback-char[data-variant="portrait-kurose"] .fb-hair-front {
  left: 6px;
  right: 6px;
  top: -6px;
  height: 118px;
  border-radius: 48% 48% 34% 34%;
  background:
    linear-gradient(180deg, #30394a 0%, var(--fb-hair-color) 44%, #10151d 100%);
  clip-path: polygon(0 0, 100% 0, 100% 64%, 82% 54%, 66% 78%, 52% 58%, 38% 86%, 22% 60%, 0 72%);
}

#fallback-char[data-variant="portrait-kurose"] .fb-brows {
  position: absolute;
  top: 68px;
  left: 50%;
  display: flex;
  gap: 30px;
  transform: translateX(-50%);
}

#fallback-char[data-variant="portrait-kurose"] .fb-brow {
  width: 42px;
  height: 8px;
  border-radius: 999px;
  background: rgba(18, 22, 30, 0.68);
}

#fallback-char[data-variant="portrait-kurose"] .fb-brow:first-child {
  transform: rotate(-7deg);
}

#fallback-char[data-variant="portrait-kurose"] .fb-brow:last-child {
  transform: rotate(7deg);
}

#fallback-char[data-variant="portrait-kurose"] .fb-eyes {
  position: absolute;
  top: 92px;
  left: 50%;
  display: flex;
  gap: 26px;
  transform: translateX(-50%);
}

#fallback-char[data-variant="portrait-kurose"] .fb-eye {
  width: 32px;
  height: 12px;
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.05)),
    var(--fb-eye-color);
  box-shadow: 0 0 12px rgba(244, 247, 251, 0.22);
}

#fallback-char[data-variant="portrait-kurose"] .fb-mouth {
  left: 50%;
  bottom: 46px;
  width: 24px;
  height: 4px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.28), var(--fb-mouth-color));
  opacity: 0.9;
}

#fallback-char[data-variant="portrait-kurose"] .fb-neck {
  left: 50%;
  top: 236px;
  width: 46px;
  height: 56px;
  transform: translateX(-50%);
  border-radius: 0 0 16px 16px;
  background: linear-gradient(180deg, #dfb99b 0%, #c59473 100%);
  z-index: 1;
}

#fallback-char[data-variant="portrait-kurose"] .fb-body {
  left: 50%;
  bottom: 18px;
  width: 272px;
  height: 184px;
  transform: translateX(-50%);
  border-radius: 32px 32px 22px 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 18%),
    linear-gradient(180deg, #263245 0%, var(--fb-coat-color) 42%, #0b1119 100%);
  overflow: hidden;
}

#fallback-char[data-variant="portrait-kurose"] .fb-shirt {
  left: 50%;
  top: -12px;
  width: 84px;
  height: 146px;
  transform: translateX(-50%);
  border-radius: 0 0 22px 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0.06)),
    var(--fb-shirt-color);
}

#fallback-char[data-variant="portrait-kurose"] .fb-lapel {
  top: -2px;
  width: 98px;
  height: 110px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent 24%), #161f2d;
}

#fallback-char[data-variant="portrait-kurose"] .fb-lapel-left {
  left: 40px;
  clip-path: polygon(0 0, 100% 0, 48% 100%, 0 78%);
}

#fallback-char[data-variant="portrait-kurose"] .fb-lapel-right {
  right: 40px;
  clip-path: polygon(0 0, 100% 0, 100% 78%, 52% 100%);
}

#fallback-char[data-variant="portrait-kurose"][data-state="thinking"] .fb-eye {
  transform: scaleY(0.38);
}

#fallback-char[data-variant="portrait-kurose"][data-state="thinking"] .fb-brow:first-child {
  transform: translateY(-1px) rotate(-12deg);
}

#fallback-char[data-variant="portrait-kurose"][data-state="thinking"] .fb-brow:last-child {
  transform: translateY(-1px) rotate(12deg);
}

#fallback-char[data-variant="portrait-kurose"][data-state="talking"] .fb-mouth {
  height: 12px;
  width: 20px;
  border-radius: 999px 999px 10px 10px;
}

#character-panel.speaking #fallback-char[data-variant="portrait-kurose"] .fb-portrait {
  animation: fb-kurose-bob 0.18s ease-in-out infinite alternate;
}

#character-panel.speaking #fallback-char[data-variant="portrait-kurose"] .fb-mouth {
  animation: fb-talk 0.12s ease-in-out infinite;
}

#character-panel.speaking #fallback-char[data-variant="portrait-kurose"] .fb-eye {
  animation: fb-eye-glow 0.8s ease-in-out infinite alternate;
}

#fallback-char[data-variant="portrait-soft"] .fb-portrait-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: min(100%, 420px);
  transform: translateY(26px);
}

#fallback-char[data-variant="portrait-soft"] .fb-glow {
  position: absolute;
  inset: 54px 68px 110px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--fb-glow-color) 0%, rgba(255, 255, 255, 0) 72%);
  filter: blur(22px);
}

#fallback-char[data-variant="portrait-soft"] .fb-portrait {
  position: relative;
  width: 304px;
  height: 414px;
  animation: fb-kurose-float 4.6s ease-in-out infinite;
}

#fallback-char[data-variant="portrait-soft"] .fb-head {
  position: absolute;
  top: 40px;
  left: 50%;
  width: 194px;
  height: 220px;
  transform: translateX(-50%);
}

#fallback-char[data-variant="portrait-soft"] .fb-hair-back,
#fallback-char[data-variant="portrait-soft"] .fb-hair-front,
#fallback-char[data-variant="portrait-soft"] .fb-faceplate,
#fallback-char[data-variant="portrait-soft"] .fb-neck,
#fallback-char[data-variant="portrait-soft"] .fb-body,
#fallback-char[data-variant="portrait-soft"] .fb-shirt,
#fallback-char[data-variant="portrait-soft"] .fb-lapel,
#fallback-char[data-variant="portrait-soft"] .fb-brow,
#fallback-char[data-variant="portrait-soft"] .fb-eye,
#fallback-char[data-variant="portrait-soft"] .fb-mouth {
  position: absolute;
}

#fallback-char[data-variant="portrait-soft"] .fb-hair-back {
  inset: 0;
  border-radius: 46% 46% 42% 42%;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent 22%),
    linear-gradient(180deg, color-mix(in srgb, var(--fb-hair-color) 72%, white 28%) 0%, var(--fb-hair-color) 52%, color-mix(in srgb, var(--fb-hair-color) 82%, #8a6c58 18%) 100%);
}

#fallback-char[data-variant="portrait-soft"] .fb-faceplate {
  left: 26px;
  right: 26px;
  top: 30px;
  bottom: 14px;
  border-radius: 46% 46% 50% 50%;
  background:
    radial-gradient(circle at 50% 16%, rgba(255, 255, 255, 0.16), transparent 24%),
    linear-gradient(180deg, color-mix(in srgb, var(--fb-skin-color) 84%, white 16%) 0%, var(--fb-skin-color) 62%, color-mix(in srgb, var(--fb-skin-color) 80%, #c8a58d 20%) 100%);
  overflow: hidden;
}

#fallback-char[data-variant="portrait-soft"] .fb-hair-front {
  left: 12px;
  right: 12px;
  top: -2px;
  height: 120px;
  border-radius: 48% 48% 38% 38%;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--fb-hair-color) 68%, white 32%) 0%, var(--fb-hair-color) 44%, color-mix(in srgb, var(--fb-hair-color) 74%, #7c594d 26%) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 82% 58%, 66% 82%, 51% 60%, 35% 86%, 20% 62%, 0 74%);
}

#fallback-char[data-variant="portrait-soft"] .fb-brows {
  position: absolute;
  top: 72px;
  left: 50%;
  display: flex;
  gap: 30px;
  transform: translateX(-50%);
}

#fallback-char[data-variant="portrait-soft"] .fb-brow {
  width: 36px;
  height: 7px;
  border-radius: 999px;
  background: rgba(82, 58, 50, 0.45);
}

#fallback-char[data-variant="portrait-soft"] .fb-brow:first-child {
  transform: rotate(-8deg);
}

#fallback-char[data-variant="portrait-soft"] .fb-brow:last-child {
  transform: rotate(8deg);
}

#fallback-char[data-variant="portrait-soft"] .fb-eyes {
  position: absolute;
  top: 98px;
  left: 50%;
  display: flex;
  gap: 24px;
  transform: translateX(-50%);
}

#fallback-char[data-variant="portrait-soft"] .fb-eye {
  width: 28px;
  height: 14px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 50% 36%, rgba(255, 255, 255, 0.9), transparent 34%),
    var(--fb-eye-color);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.12);
}

#fallback-char[data-variant="portrait-soft"] .fb-mouth {
  left: 50%;
  bottom: 44px;
  width: 24px;
  height: 6px;
  transform: translateX(-50%);
  border-radius: 0 0 999px 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.24), var(--fb-mouth-color));
}

#fallback-char[data-variant="portrait-soft"] .fb-neck {
  left: 50%;
  top: 238px;
  width: 44px;
  height: 56px;
  transform: translateX(-50%);
  border-radius: 0 0 16px 16px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--fb-skin-color) 82%, white 18%) 0%, color-mix(in srgb, var(--fb-skin-color) 86%, #c69d8a 14%) 100%);
  z-index: 1;
}

#fallback-char[data-variant="portrait-soft"] .fb-body {
  left: 50%;
  bottom: 18px;
  width: 264px;
  height: 182px;
  transform: translateX(-50%);
  border-radius: 38px 38px 24px 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent 18%),
    linear-gradient(180deg, color-mix(in srgb, var(--fb-coat-color) 70%, white 30%) 0%, var(--fb-coat-color) 46%, color-mix(in srgb, var(--fb-coat-color) 82%, #d8c4b4 18%) 100%);
}

#fallback-char[data-variant="portrait-soft"] .fb-shirt {
  left: 50%;
  top: -10px;
  width: 88px;
  height: 148px;
  transform: translateX(-50%);
  border-radius: 0 0 22px 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.08)),
    var(--fb-shirt-color);
}

#fallback-char[data-variant="portrait-soft"] .fb-lapel {
  top: 8px;
  width: 84px;
  height: 92px;
  background: rgba(255, 255, 255, 0.18);
}

#fallback-char[data-variant="portrait-soft"] .fb-lapel-left {
  left: 46px;
  clip-path: polygon(0 0, 100% 0, 58% 100%, 0 86%);
}

#fallback-char[data-variant="portrait-soft"] .fb-lapel-right {
  right: 46px;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 42% 100%);
}

#fallback-char[data-variant="portrait-soft"][data-state="thinking"] .fb-eye {
  transform: scaleY(0.42);
}

#fallback-char[data-variant="portrait-soft"][data-state="talking"] .fb-mouth {
  height: 10px;
  width: 20px;
  border-radius: 999px 999px 12px 12px;
}

#character-panel.speaking #fallback-char[data-variant="portrait-soft"] .fb-portrait {
  animation: fb-kurose-bob 0.18s ease-in-out infinite alternate;
}

#character-panel.speaking #fallback-char[data-variant="portrait-soft"] .fb-mouth {
  animation: fb-talk 0.12s ease-in-out infinite;
}

#character-panel.speaking #fallback-char[data-variant="portrait-soft"] .fb-eye {
  animation: fb-eye-glow 0.8s ease-in-out infinite alternate;
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: min(100%, 420px);
  transform: translateY(22px);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-glow {
  position: absolute;
  inset: 58px 60px 118px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--fb-glow-color) 0%, rgba(255, 255, 255, 0) 72%);
  filter: blur(22px);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-portrait {
  position: relative;
  width: 316px;
  height: 396px;
  animation: fb-kurose-float 4.2s ease-in-out infinite;
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-head,
#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-ear,
#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-hair,
#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-face,
#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-brow,
#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-eye,
#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-cheek,
#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-mouth,
#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-body,
#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-collar,
#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-bib {
  position: absolute;
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-head {
  top: 32px;
  left: 50%;
  width: 204px;
  height: 212px;
  transform: translateX(-50%);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-ear {
  top: -6px;
  width: 70px;
  height: 108px;
  border-radius: 42px 42px 18px 18px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--fb-hair-color) 82%, white 18%) 0%, var(--fb-hair-color) 68%, color-mix(in srgb, var(--fb-hair-color) 74%, #3f7e23 26%) 100%);
  clip-path: polygon(50% 0, 100% 24%, 82% 100%, 18% 100%, 0 24%);
  transform-origin: bottom center;
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-ear-left {
  left: -14px;
  transform: rotate(-22deg);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-ear-right {
  right: -14px;
  transform: rotate(22deg);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-hair {
  inset: 0 8px 18px;
  border-radius: 50% 50% 44% 44%;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--fb-hair-color) 80%, white 20%) 0%, var(--fb-hair-color) 58%, color-mix(in srgb, var(--fb-hair-color) 82%, #3f7e23 18%) 100%);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-face {
  left: 24px;
  right: 24px;
  top: 36px;
  bottom: 20px;
  border-radius: 48% 48% 50% 50%;
  background:
    radial-gradient(circle at 50% 16%, rgba(255, 255, 255, 0.18), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, var(--fb-skin-color) 70%, #efe5d8 100%);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-brows {
  position: absolute;
  top: 78px;
  left: 50%;
  display: flex;
  gap: 34px;
  transform: translateX(-50%);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-brow {
  width: 24px;
  height: 7px;
  border-radius: 999px;
  background: rgba(80, 44, 99, 0.52);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-eyes {
  position: absolute;
  top: 100px;
  left: 50%;
  display: flex;
  gap: 22px;
  transform: translateX(-50%);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-eye {
  width: 26px;
  height: 24px;
  border-radius: 50% 50% 48% 48%;
  background:
    radial-gradient(circle at 50% 34%, rgba(255, 255, 255, 0.95), transparent 28%),
    var(--fb-eye-color);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-cheeks {
  position: absolute;
  top: 136px;
  left: 50%;
  display: flex;
  gap: 62px;
  transform: translateX(-50%);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-cheek {
  width: 18px;
  height: 10px;
  border-radius: 999px;
  background: rgba(246, 193, 91, 0.38);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-mouth {
  left: 50%;
  bottom: 34px;
  width: 28px;
  height: 8px;
  transform: translateX(-50%);
  border-radius: 0 0 999px 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), var(--fb-mouth-color));
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-body {
  left: 50%;
  bottom: 14px;
  width: 248px;
  height: 162px;
  transform: translateX(-50%);
  border-radius: 38px 38px 26px 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent 18%),
    linear-gradient(180deg, color-mix(in srgb, var(--fb-coat-color) 82%, white 18%) 0%, var(--fb-coat-color) 62%, color-mix(in srgb, var(--fb-coat-color) 84%, #cddaa6 16%) 100%);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-collar {
  left: 50%;
  top: 10px;
  width: 168px;
  height: 78px;
  transform: translateX(-50%);
  border-radius: 0 0 40px 40px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--fb-accent) 72%, white 28%) 0%, var(--fb-accent) 100%);
}

#fallback-char[data-variant="portrait-zundamon"] .fb-zunda-bib {
  left: 50%;
  top: 34px;
  width: 74px;
  height: 110px;
  transform: translateX(-50%);
  border-radius: 0 0 22px 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.16)),
    var(--fb-shirt-color);
}

#fallback-char[data-variant="portrait-zundamon"][data-state="thinking"] .fb-zunda-eye {
  transform: scaleY(0.34);
}

#fallback-char[data-variant="portrait-zundamon"][data-state="talking"] .fb-zunda-mouth {
  height: 14px;
  width: 24px;
  border-radius: 999px 999px 12px 12px;
}

#character-panel.speaking #fallback-char[data-variant="portrait-zundamon"] .fb-zunda-portrait {
  animation: fb-kurose-bob 0.18s ease-in-out infinite alternate;
}

#character-panel.speaking #fallback-char[data-variant="portrait-zundamon"] .fb-zunda-mouth {
  animation: fb-talk 0.12s ease-in-out infinite;
}

#character-panel.speaking #fallback-char[data-variant="portrait-zundamon"] .fb-zunda-ear-left {
  animation: fb-zunda-ear-left 0.22s ease-in-out infinite alternate;
}

#character-panel.speaking #fallback-char[data-variant="portrait-zundamon"] .fb-zunda-ear-right {
  animation: fb-zunda-ear-right 0.22s ease-in-out infinite alternate;
}

@keyframes fb-bob {
  from { transform: translateY(0); }
  to { transform: translateY(-4px); }
}

@keyframes fb-talk {
  0%, 100% { transform: scaleY(1) scaleX(1); }
  35% { transform: scaleY(0.24) scaleX(1.05); }
  65% { transform: scaleY(1.2) scaleX(0.96); }
}

@keyframes fb-kurose-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes fb-kurose-bob {
  from { transform: translateY(0); }
  to { transform: translateY(-6px); }
}

@keyframes fb-eye-glow {
  from { box-shadow: 0 0 8px rgba(244, 247, 251, 0.14); }
  to { box-shadow: 0 0 16px rgba(244, 247, 251, 0.34); }
}

@keyframes fb-zunda-ear-left {
  from { transform: rotate(-22deg); }
  to { transform: rotate(-28deg); }
}

@keyframes fb-zunda-ear-right {
  from { transform: rotate(22deg); }
  to { transform: rotate(28deg); }
}

#char-reaction,
#char-status {
  position: absolute;
  z-index: 2;
}

#char-reaction {
  top: 22px;
  left: 22px;
  max-width: 300px;
  padding: 10px 14px;
  border-radius: 18px;
  background: rgba(22, 27, 34, 0.92);
  border: 1px solid rgba(88, 166, 255, 0.2);
  font-size: 13px;
  line-height: 1.5;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.24);
  transform: translateY(-6px);
  opacity: 0;
  transition: 0.18s ease;
}

#char-reaction.visible {
  opacity: 1;
  transform: translateY(0);
}

#char-status {
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(88, 166, 255, 0.14);
  color: var(--accent);
  font-size: 13px;
}

#char-status.thinking {
  background: rgba(210, 153, 34, 0.14);
  color: var(--warn);
}

#char-status.talking {
  background: rgba(63, 185, 80, 0.14);
  color: var(--success);
}

#chat-panel {
  display: flex;
  flex-direction: column;
  background: rgba(9, 12, 18, 0.95);
  min-width: 0;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 20px 16px;
  border-bottom: 1px solid rgba(139, 148, 158, 0.14);
}

.char-name {
  font-weight: 700;
  font-size: 18px;
  color: #f0f6fc;
}

.char-role {
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

.demo-badge {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(88, 166, 255, 0.1);
  color: #9ecbff;
  font-size: 12px;
}

#demo-character-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  padding: 10px 20px 0;
  font-size: 12px;
  color: var(--muted);
}

.demo-meta-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(88, 166, 255, 0.12);
  border: 1px solid rgba(88, 166, 255, 0.24);
  color: #9ecbff;
  font-weight: 600;
}

#demo-character-source {
  color: #58a6ff;
  text-decoration: none;
}

#demo-character-source:hover {
  text-decoration: underline;
}

#demo-character-source[hidden] {
  display: none;
}

#chat-messages {
  flex: 1;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
}

.message {
  max-width: 88%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.65;
  animation: fade-in 0.24s ease;
}

.message.user {
  align-self: flex-end;
  background: linear-gradient(180deg, #1f6feb, #1158bf);
  color: #ffffff;
  border-bottom-right-radius: 6px;
}

.message.assistant {
  align-self: flex-start;
  background: #1d2430;
  border: 1px solid rgba(139, 148, 158, 0.12);
  color: var(--text);
  border-bottom-left-radius: 6px;
}

.message .msg-name {
  display: block;
  margin-bottom: 4px;
  color: #9ecbff;
  font-size: 12px;
  font-weight: 600;
}

.message .msg-body > :first-child {
  margin-top: 0;
}

.message .msg-body > :last-child {
  margin-bottom: 0;
}

.message p,
.message ul,
.message ol,
.message blockquote,
.message pre {
  margin: 10px 0;
}

.message h1,
.message h2,
.message h3 {
  margin: 14px 0 8px;
  color: #f0f6fc;
  line-height: 1.3;
}

.message ul,
.message ol {
  padding-left: 1.4em;
}

.message blockquote {
  padding-left: 12px;
  border-left: 3px solid rgba(88, 166, 255, 0.42);
  color: var(--muted);
}

.message code {
  font-family: "Fira Code", "Consolas", monospace;
  background: rgba(110, 118, 129, 0.2);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.message pre {
  background: #0d1117;
  border: 1px solid rgba(139, 148, 158, 0.12);
  border-radius: 12px;
  overflow: auto;
  padding: 12px;
}

.message pre code {
  background: transparent;
  padding: 0;
}

.message a {
  color: #9ecbff;
}

.message.typing {
  align-self: flex-start;
  background: #1d2430;
  color: var(--muted);
  font-style: italic;
}

.typing-dots::after {
  content: "";
  animation: dots 1.4s steps(4, end) infinite;
}

#demo-note {
  padding: 14px 20px 18px;
  color: var(--muted);
  border-top: 1px solid rgba(139, 148, 158, 0.14);
  font-size: 13px;
  line-height: 1.6;
}

.info-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-card {
  padding: 18px 18px 20px;
}

.info-card h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

.info-card ul {
  margin: 0;
  padding-left: 1.4em;
  color: #b6c1cf;
  line-height: 1.75;
}

.info-card.compact pre {
  margin: 0;
  overflow: auto;
  background: rgba(9, 17, 29, 0.86);
  border-radius: 14px;
  padding: 14px;
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes dots {
  0% { content: ""; }
  25% { content: "."; }
  50% { content: ".."; }
  75% { content: "..."; }
  100% { content: ""; }
}

@media (max-width: 1100px) {
  .demo-layout {
    grid-template-columns: 1fr;
  }

  .info-panel {
    order: -1;
  }
}

@media (max-width: 860px) {
  .page-shell {
    width: min(100% - 20px, 1320px);
    padding-top: 18px;
  }

  .hero {
    flex-direction: column;
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .demo-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-field,
  .toolbar-actions {
    width: 100%;
  }

  .toolbar-field {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-actions {
    justify-content: stretch;
  }

  .toolbar-actions button {
    flex: 1;
  }

  #app-shell {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  #character-panel {
    min-height: 380px;
  }
}