:root {
  color-scheme: dark;
  --bg-1: #04010a;
  --bg-2: #200024;
  --bg-3: rgba(255, 255, 255, 0.04);
  --ink: #f4f7ff;
  --ink-muted: rgba(244, 247, 255, 0.72);
  --ink-soft: rgba(244, 247, 255, 0.56);
  --accent-magenta: #ff2d92;
  --accent-cyan: #00e0ff;
  --accent-gold: #ffd54a;
  --accent-purple: #a76dff;
  --glass: rgba(12, 10, 30, 0.72);
  --glass-strong: rgba(12, 10, 30, 0.86);
  --panel-bg: rgba(12, 10, 30, 0.82);
  --panel-border: rgba(255, 255, 255, 0.18);
  --border-glow: rgba(255, 255, 255, 0.08);
  --shadow-soft: 0 20px 60px rgba(8, 0, 24, 0.45);
  --shadow-strong: 0 30px 90px rgba(10, 0, 40, 0.55);
}

* {
  box-sizing: border-box;
}

body.neo-vegas {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: 'Montserrat', system-ui;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% -10%, rgba(255, 0, 255, 0.2), transparent 52%),
    radial-gradient(circle at 78% 2%, rgba(0, 255, 255, 0.18), transparent 55%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2));
  overflow-x: hidden;
}

body.neo-vegas::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(115deg, transparent 0 42px, rgba(255, 255, 255, 0.04) 42px 43px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

body.neo-vegas[data-locale] {
  transition: background 0.6s ease, color 0.4s ease;
}

body.neo-vegas[data-locale='ja'] {
  color-scheme: light;
  --bg-1: #f8fbff;
  --bg-2: #f3fff6;
  --bg-3: rgba(35, 131, 104, 0.08);
  --ink: #263b4a;
  --ink-muted: rgba(38, 59, 74, 0.7);
  --ink-soft: rgba(38, 59, 74, 0.5);
  --accent-magenta: #ff8a65;
  --accent-cyan: #4eb883;
  --accent-gold: #f9b246;
  --accent-purple: #4c9de8;
  --glass: rgba(255, 255, 255, 0.85);
  --glass-strong: rgba(255, 255, 255, 0.92);
  --panel-bg: rgba(255, 255, 255, 0.92);
  --panel-border: rgba(78, 184, 131, 0.25);
  --border-glow: rgba(78, 184, 131, 0.22);
  --shadow-soft: 0 18px 48px rgba(56, 130, 103, 0.18);
  --shadow-strong: 0 32px 72px rgba(43, 112, 87, 0.22);
  font-family: 'M PLUS Rounded 1c', 'Noto Sans JP', 'Montserrat', system-ui;
  background:
    radial-gradient(circle at 12% -8%, rgba(78, 184, 131, 0.18), transparent 55%),
    radial-gradient(circle at 90% -10%, rgba(255, 138, 101, 0.16), transparent 45%),
    linear-gradient(135deg, #f8fbff, #f3fff6);
  color: var(--ink);
}

body.neo-vegas[data-locale='ja']::before {
  background: linear-gradient(120deg, rgba(78, 184, 131, 0.14), rgba(255, 138, 101, 0.08));
  opacity: 0.5;
}

body[data-locale='ja'] .neo-header,
body[data-locale='ja'] .neo-panel,
body[data-locale='ja'] .neo-surface {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(78, 184, 131, 0.25);
  box-shadow: var(--shadow-soft);
  color: var(--ink);
}

body[data-locale='ja'] .neo-brand span {
  font-family: 'M PLUS Rounded 1c', 'Noto Sans JP', sans-serif;
  letter-spacing: 0.12em;
  color: #4eb883;
}

body[data-locale='ja'] .neo-brand small {
  color: rgba(38, 59, 74, 0.7);
  letter-spacing: 0.08em;
}

body[data-locale='ja'] .neo-nav a {
  font-family: 'M PLUS Rounded 1c', 'Noto Sans JP', sans-serif;
  color: rgba(38, 59, 74, 0.8);
}

body[data-locale='ja'] .neo-nav a::after {
  background: linear-gradient(90deg, #4eb883, #f9b246);
  box-shadow: 0 0 12px rgba(78, 184, 131, 0.35);
}

body[data-locale='ja'] .neo-nav a:hover,
body[data-locale='ja'] .neo-nav a:focus-visible {
  color: #4eb883;
}

body[data-locale='ja'] .neo-btn,
body[data-locale='ja'] .neo-btn-primary,
body[data-locale='ja'] button.neo-btn,
body[data-locale='ja'] .neo-btn-secondary {
  font-family: 'M PLUS Rounded 1c', 'Noto Sans JP', sans-serif;
  letter-spacing: 0.08em;
}

body[data-locale='ja'] .neo-btn-primary {
  box-shadow: 0 12px 32px rgba(78, 184, 131, 0.24);
  color: #264039;
}

body[data-locale='ja'] .neo-btn-primary:hover:not(:disabled),
body[data-locale='ja'] .neo-btn-primary:focus-visible:not(:disabled) {
  box-shadow: 0 16px 36px rgba(78, 184, 131, 0.32);
}

body[data-locale='ja'] .neo-muted {
  color: rgba(38, 59, 74, 0.68);
}

body[data-locale='ja'] textarea {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(78, 184, 131, 0.22);
  box-shadow: inset 0 0 12px rgba(78, 184, 131, 0.12);
  color: var(--ink);
}

body[data-locale='ja'] textarea:focus {
  border-color: rgba(78, 184, 131, 0.55);
  box-shadow: 0 0 25px rgba(78, 184, 131, 0.28), inset 0 0 18px rgba(78, 184, 131, 0.18);
}

body[data-locale='ja'] .roulette-layout {
  gap: clamp(20px, 4vw, 40px);
}

body[data-locale='ja'] .roulette-stage-header h1,
body[data-locale='ja'] .neo-result {
  font-family: 'M PLUS Rounded 1c', 'Noto Sans JP', sans-serif;
  letter-spacing: 0.08em;
  text-transform: none;
}

body[data-locale='ja'] .neo-result {
  color: #4eb883;
}

body[data-locale='ja'] .sector-text {
  font-family: 'M PLUS Rounded 1c', 'Noto Sans JP', sans-serif;
  letter-spacing: 0.06em;
  fill: rgba(38, 59, 74, 0.92);
}

body[data-locale='ja'] .pointer {
  border-bottom-color: var(--accent-gold);
  filter: drop-shadow(0 0 12px rgba(249, 178, 70, 0.55));
}

body.neo-vegas[data-locale='en'] {
  --accent-magenta: #ff6bc1;
  --accent-cyan: #2dd4ff;
  --accent-gold: #fdd27a;
  --accent-purple: #7c5cff;
  --shadow-soft: 0 24px 60px rgba(21, 29, 64, 0.5);
  --shadow-strong: 0 40px 100px rgba(21, 29, 64, 0.6);
  font-family: 'Inter', 'Montserrat', system-ui;
  background:
    radial-gradient(circle at 18% -10%, rgba(124, 92, 255, 0.35), transparent 60%),
    radial-gradient(circle at 82% 0%, rgba(45, 212, 255, 0.32), transparent 58%),
    linear-gradient(140deg, #05060f, #101530 60%, #1a2040);
}

body.neo-vegas[data-locale='en']::before {
  background: repeating-linear-gradient(130deg, transparent 0 36px, rgba(255, 255, 255, 0.06) 36px 37px);
}

body[data-locale='en'] .neo-brand span,
body[data-locale='en'] .neo-nav a,
body[data-locale='en'] .neo-result,
body[data-locale='en'] .roulette-stage-header h1 {
  font-family: 'Space Grotesk', 'Inter', 'Montserrat', system-ui;
  letter-spacing: 0.22em;
}

body[data-locale='en'] .neo-nav a {
  color: rgba(244, 247, 255, 0.78);
}

body[data-locale='en'] .neo-nav a::after {
  background: linear-gradient(90deg, #ff6bc1, #2dd4ff);
}

body[data-locale='en'] .neo-panel,
body[data-locale='en'] .neo-surface {
  backdrop-filter: blur(24px);
  background: linear-gradient(135deg, rgba(12, 16, 40, 0.82), rgba(24, 32, 68, 0.94));
  border-color: rgba(124, 92, 255, 0.2);
}

body.neo-vegas[data-locale='de'] {
  --accent-magenta: #ff5f5f;
  --accent-cyan: #00c2d1;
  --accent-gold: #ffcc4d;
  --accent-purple: #5568ff;
  --ink: #e9ecf8;
  --ink-muted: rgba(233, 236, 248, 0.7);
  --ink-soft: rgba(233, 236, 248, 0.5);
  font-family: 'Fira Sans', 'Montserrat', system-ui;
  background:
    radial-gradient(circle at 15% -12%, rgba(0, 194, 209, 0.32), transparent 60%),
    radial-gradient(circle at 80% 4%, rgba(255, 207, 77, 0.28), transparent 55%),
    linear-gradient(135deg, #041221, #091d33 55%, #12284a);
}

body.neo-vegas[data-locale='de']::before {
  background: repeating-linear-gradient(120deg, transparent 0 40px, rgba(255, 255, 255, 0.05) 40px 41px);
}

body[data-locale='de'] .neo-brand span,
body[data-locale='de'] .neo-nav a,
body[data-locale='de'] .neo-result,
body[data-locale='de'] .roulette-stage-header h1 {
  font-family: 'Fira Sans', 'Montserrat', system-ui;
  letter-spacing: 0.18em;
}

body[data-locale='de'] .neo-panel,
body[data-locale='de'] .neo-surface {
  background: linear-gradient(135deg, rgba(6, 20, 36, 0.8), rgba(10, 34, 56, 0.92));
  border-color: rgba(0, 194, 209, 0.24);
  box-shadow: 0 28px 70px rgba(4, 18, 33, 0.6);
}

body[data-locale='de'] .neo-nav a::after {
  background: linear-gradient(90deg, #00c2d1, #ffcc4d);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: var(--accent-cyan);
}

.neo-header {
  position: relative;
  padding: 28px clamp(24px, 6vw, 96px) 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 4vw, 36px);
  z-index: 10;
}

.neo-brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.neo-brand span {
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 0.28em;
  font-size: clamp(1.2rem, 2vw + 0.4rem, 1.6rem);
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.neo-brand small {
  font-size: 0.9rem;
  color: var(--ink-soft);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.neo-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 30px);
  flex-wrap: wrap;
}

.neo-nav a {
  font-family: 'Orbitron', sans-serif;
  color: rgba(244, 247, 255, 0.7);
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  text-transform: uppercase;
  padding-bottom: 6px;
  position: relative;
  transition: color 0.3s ease;
}

.neo-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-magenta), var(--accent-cyan));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
  box-shadow: 0 0 12px currentColor;
}

.neo-nav a:hover::after,
.neo-nav a:focus-visible::after,
.neo-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.neo-content {
  position: relative;
  z-index: 5;
  padding: clamp(24px, 6vw, 96px);
  display: grid;
  gap: clamp(24px, 5vw, 48px);
}

.neo-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: clamp(24px, 5vw, 48px);
  align-items: stretch;
}

@media (max-width: 960px) {
  .neo-workspace {
    grid-template-columns: 1fr;
  }
}

.neo-panel,
.neo-surface {
  background: linear-gradient(135deg, rgba(12, 10, 30, 0.78), rgba(18, 16, 40, 0.92));
  border: 1px solid var(--border-glow);
  border-radius: 20px;
  padding: clamp(18px, 3vw, 26px);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.neo-panel h2 {
  margin: 0 0 18px;
  font-size: clamp(1.1rem, 1.4vw + 0.6rem, 1.4rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.neo-panel .neo-field {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(16px, 3vw, 22px);
}

label {
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  font-size: 0.85rem;
}

input,
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(12, 10, 30, 0.78);
  color: inherit;
  font: inherit;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 224, 255, 0.25);
}

textarea {
  resize: vertical;
  min-height: 160px;
}

.neo-btn-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.neo-btn,
button.neo-btn,
.neo-btn-primary,
.neo-btn-secondary {
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: none;
  border-radius: 999px;
  padding: 12px 24px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.neo-btn-primary {
  background: linear-gradient(135deg, var(--accent-magenta), var(--accent-cyan));
  color: #050013;
  box-shadow: 0 12px 32px rgba(255, 45, 146, 0.46);
}

.neo-btn-primary:hover:not(:disabled),
.neo-btn-primary:focus-visible:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(0, 224, 255, 0.45);
}

.neo-btn-secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--ink);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
}

.neo-btn-secondary:hover:not(:disabled),
.neo-btn-secondary:focus-visible:not(:disabled) {
  transform: translateY(-2px);
  border-color: var(--accent-purple);
  box-shadow: 0 16px 36px rgba(167, 109, 255, 0.35);
}

.neo-btn:disabled,
button.neo-btn:disabled,
.neo-btn-primary:disabled,
.neo-btn-secondary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.neo-result {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.neo-muted {
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.6;
}

.neo-floating-stack {
  position: fixed;
  left: clamp(12px, 4vw, 48px);
  bottom: clamp(12px, 4vw, 48px);
  display: grid;
  gap: 10px;
  z-index: 20;
}

.neo-floating-stack a,
.neo-floating-stack .neo-ad-slot {
  background: rgba(12, 10, 30, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 14px 16px;
  color: inherit;
  text-decoration: none;
  box-shadow: 0 18px 40px rgba(5, 0, 20, 0.5);
  backdrop-filter: blur(18px);
  min-width: 240px;
}

.neo-floating-stack a:hover,
.neo-floating-stack a:focus-visible {
  border-color: var(--accent-magenta);
  box-shadow: 0 18px 44px rgba(255, 45, 146, 0.4);
}

.neo-ad-slot {
  min-height: 120px;
  display: grid;
  place-items: center;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.neo-footer {
  margin-top: auto;
  padding: 32px clamp(24px, 6vw, 96px) 48px;
  color: rgba(244, 247, 255, 0.5);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .neo-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .neo-nav {
    width: 100%;
    justify-content: space-between;
  }

  .neo-floating-stack {
    position: static;
    padding: 0 clamp(24px, 6vw, 96px) 48px;
  }
}

.neo-chip-stack {
  position: absolute;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: screen;
}

.neo-chip-stack span {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 45, 146, 0.8), rgba(255, 213, 74, 0.6));
  filter: drop-shadow(0 0 10px currentColor);
  opacity: 0.5;
}

.neo-card-grid {
  display: grid;
  gap: clamp(16px, 4vw, 32px);
}

@media (min-width: 960px) {
  .neo-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}