@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@300;400;500;600;700&family=Russo+One&display=swap');

/* ── Design Tokens ─────────────────────────────────────── */
:root {
  --bg-primary: #0F0F23;
  --bg-card: rgba(124, 58, 237, 0.08);
  --border-card: rgba(167, 139, 250, 0.2);
  --text-primary: #E2E8F0;
  --text-secondary: #A78BFA;
  --accent-primary: #7C3AED;
  --accent-secondary: #A78BFA;
  --accent-cta: #F43F5E;
  --accent-neon: #00ff88;
  --accent-cyan: #06b6d4;
  --font-heading: 'Russo One', sans-serif;
  --font-body: 'Chakra Petch', sans-serif;
}

/* ── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ── Synthwave Grid Background ─────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    linear-gradient(
      to bottom,
      transparent 0%,
      transparent 50%,
      rgba(124, 58, 237, 0.03) 50%,
      var(--bg-primary) 100%
    );
  z-index: -2;
}

body::after {
  content: '';
  position: fixed;
  bottom: 0;
  left: 50%;
  translate: -50% 0;
  width: 200vw;
  height: 55vh;
  background:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 98px,
      rgba(124, 58, 237, 0.12) 98px,
      rgba(124, 58, 237, 0.12) 100px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 48px,
      rgba(124, 58, 237, 0.1) 48px,
      rgba(124, 58, 237, 0.1) 50px
    );
  transform-origin: bottom center;
  perspective: 400px;
  transform: rotateX(60deg);
  z-index: -1;
  mask-image: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 90%);
  -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 90%);
}

/* ── CRT Scanlines Overlay ─────────────────────────────── */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.06) 2px,
    rgba(0, 0, 0, 0.06) 4px
  );
}

/* ── App Container ─────────────────────────────────────── */
.app {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 1rem 4rem;
  min-height: 100vh;
  position: relative;
}

/* ── Title with Glitch Effect ──────────────────────────── */
.title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 5vw, 3rem);
  text-align: center;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  text-shadow:
    0 0 10px rgba(124, 58, 237, 0.8),
    0 0 30px rgba(124, 58, 237, 0.5),
    0 0 60px rgba(124, 58, 237, 0.3);
  margin-bottom: 2.5rem;
  position: relative;
  user-select: none;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  color: var(--text-primary);
  overflow: hidden;
}

.glitch::before {
  text-shadow: 2px 0 var(--accent-cta);
  animation: glitch-shift 4s infinite linear alternate-reverse;
  clip-path: inset(20% 0 50% 0);
}

.glitch::after {
  text-shadow: -2px 0 var(--accent-neon);
  animation: glitch-shift 3s infinite linear alternate;
  clip-path: inset(60% 0 10% 0);
}

@keyframes glitch-shift {
  0%, 90%, 100% { translate: 0 0; }
  92% { translate: 3px -1px; }
  94% { translate: -3px 1px; }
  96% { translate: 2px 0; }
  98% { translate: -2px -1px; }
}

/* ── Section & Hidden ──────────────────────────────────── */
.section {
  width: 100%;
  max-width: 420px;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.hidden {
  display: none !important;
}

/* ── Card (Glass Morphism) ─────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow:
    0 0 20px rgba(124, 58, 237, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.card h2 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 1.5rem;
  text-shadow: 0 0 12px rgba(167, 139, 250, 0.4);
}

/* ── Input Group ───────────────────────────────────────── */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.input-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(15, 15, 35, 0.7);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.input-group input::placeholder {
  color: rgba(167, 139, 250, 0.35);
}

.input-group input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

.input-group button {
  padding: 0.75rem 1.5rem;
  min-width: 8rem;
  background: var(--accent-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
  white-space: nowrap;
}

.input-group button:hover {
  background: #6d28d9;
  box-shadow: 0 0 18px rgba(124, 58, 237, 0.5);
}

.input-group button:active {
  transform: scale(0.96);
}

.input-group button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Error Message ─────────────────────────────────────── */
.error {
  color: var(--accent-cta);
  font-size: 0.85rem;
  margin-top: 1rem;
  text-align: center;
  text-shadow: 0 0 8px rgba(244, 63, 94, 0.4);
}

/* ── Capsule Machine ───────────────────────────────────── */
.machine-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.machine {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 220px;
}

/* ── Stock LED Panel (arcade marquee header) ──────────── */
.stock-panel {
  width: 200px;
  margin-bottom: -2px;
  z-index: 2;
}

.stock-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background:
    linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.85) 0%,
      rgba(8, 8, 24, 0.92) 100%
    );
  border: 2px solid var(--border-card);
  border-bottom: none;
  border-radius: 14px 14px 0 0;
  position: relative;
  overflow: hidden;
}

/* CRT scanline overlay on the stock screen */
.stock-screen::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, 0.12) 2px,
    rgba(0, 0, 0, 0.12) 4px
  );
  pointer-events: none;
}

.stock-label {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
  opacity: 0.7;
  text-transform: uppercase;
}

.stock-value {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--accent-neon);
  text-shadow:
    0 0 6px rgba(0, 255, 136, 0.6),
    0 0 18px rgba(0, 255, 136, 0.25);
  transition: color 0.4s, text-shadow 0.4s;
  min-width: 2ch;
  text-align: center;
}

/* Stock value pop animation on change */
.stock-value.stock-pop {
  animation: stock-pop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes stock-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.35); }
  100% { transform: scale(1); }
}

/* Low stock state (amber warning) */
.stock-panel.stock-low .stock-value {
  color: #f59e0b;
  text-shadow:
    0 0 6px rgba(245, 158, 11, 0.6),
    0 0 18px rgba(245, 158, 11, 0.25);
}

.stock-panel.stock-low .stock-screen {
  border-color: rgba(245, 158, 11, 0.3);
}

/* Empty stock state (red pulsing) */
.stock-panel.stock-empty .stock-value {
  color: var(--accent-cta);
  text-shadow:
    0 0 6px rgba(244, 63, 94, 0.6),
    0 0 18px rgba(244, 63, 94, 0.25);
  animation: stock-blink 1.2s ease-in-out infinite;
}

.stock-panel.stock-empty .stock-screen {
  border-color: rgba(244, 63, 94, 0.3);
}

@keyframes stock-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.machine-dome {
  width: 200px;
  height: 200px;
  background: radial-gradient(
    ellipse at 30% 25%,
    rgba(167, 139, 250, 0.12) 0%,
    rgba(15, 15, 35, 0.6) 60%,
    rgba(15, 15, 35, 0.85) 100%
  );
  border: 2px solid var(--border-card);
  border-bottom: none;
  border-radius: 100px 100px 20px 20px;
  overflow: hidden;
  position: relative;
  box-shadow:
    inset 0 0 40px rgba(124, 58, 237, 0.08),
    0 0 20px rgba(124, 58, 237, 0.1);
}

/* Glass reflection on dome */
.machine-dome::before {
  content: '';
  position: absolute;
  top: 8%;
  left: 12%;
  width: 35%;
  height: 40%;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.08) 0%,
    transparent 60%
  );
  border-radius: 50%;
  pointer-events: none;
}

/* Capsules container */
.capsules {
  width: 100%;
  height: 100%;
  position: relative;
}

.capsule {
  position: absolute;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  box-shadow:
    inset -3px -3px 6px rgba(0, 0, 0, 0.35),
    inset 3px 3px 6px rgba(255, 255, 255, 0.15),
    0 0 8px currentColor;
  animation: capsule-float 3s ease-in-out infinite;
}

@keyframes capsule-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 2px -4px; }
}

/* Machine neck */
.machine-neck {
  width: 80px;
  height: 30px;
  background: linear-gradient(
    to bottom,
    rgba(124, 58, 237, 0.2),
    rgba(124, 58, 237, 0.12)
  );
  border-left: 2px solid var(--border-card);
  border-right: 2px solid var(--border-card);
  clip-path: polygon(0 0, 100% 0, 85% 100%, 15% 100%);
}

/* Machine base */
.machine-base {
  width: 160px;
  height: 50px;
  background: linear-gradient(
    to bottom,
    rgba(124, 58, 237, 0.18),
    rgba(124, 58, 237, 0.08)
  );
  border: 2px solid var(--border-card);
  border-top: none;
  border-radius: 0 0 18px 18px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
}

/* Slot opening */
.machine-slot {
  width: 50px;
  height: 20px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 0 0 8px 8px;
  border: 1px solid rgba(167, 139, 250, 0.15);
  border-top: none;
  position: relative;
}

/* ── Spin Button ───────────────────────────────────────── */
.spin-btn {
  margin-top: 1.25rem;
  padding: 1rem 3rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: #fff;
  background: var(--accent-cta);
  border: none;
  border-radius: 14px;
  cursor: pointer;
  position: relative;
  transition: transform 0.15s, box-shadow 0.3s;
  box-shadow:
    0 0 20px rgba(244, 63, 94, 0.4),
    0 0 60px rgba(244, 63, 94, 0.15);
  animation: neon-pulse 2s ease-in-out infinite;
}

.spin-btn:hover {
  transform: scale(1.06);
  box-shadow:
    0 0 30px rgba(244, 63, 94, 0.6),
    0 0 80px rgba(244, 63, 94, 0.25);
}

.spin-btn:active {
  transform: scale(0.97);
}

.spin-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  animation: none;
  box-shadow: none;
}

@keyframes neon-pulse {
  0%, 100% {
    box-shadow:
      0 0 20px rgba(244, 63, 94, 0.4),
      0 0 60px rgba(244, 63, 94, 0.15);
  }
  50% {
    box-shadow:
      0 0 30px rgba(244, 63, 94, 0.6),
      0 0 80px rgba(244, 63, 94, 0.25),
      0 0 100px rgba(244, 63, 94, 0.1);
  }
}

/* ── Result Card ───────────────────────────────────────── */
.result-card {
  margin-top: 1.5rem;
  max-width: 420px;
  width: 100%;
  animation: fade-up 0.5s ease-out;
}

.result-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--accent-neon);
  text-align: center;
  margin-bottom: 1rem;
  text-shadow: 0 0 14px rgba(0, 255, 136, 0.5);
}

.result-details {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.result-details p {
  font-size: 0.9rem;
  word-break: break-all;
  line-height: 1.5;
  text-align: center;
}

.result-email {
  display: none;
}

.result-details strong {
  color: var(--text-secondary);
}

.result-details a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s;
}

.result-details a:hover {
  color: #22d3ee;
  text-decoration: underline;
}

.copy-btn {
  margin-top: 0.5rem;
  padding: 0.6rem 1.2rem;
  width: 100%;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 8px;
  color: var(--accent-cyan);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}

.copy-btn:hover {
  background: rgba(6, 182, 212, 0.25);
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.3);
}

.copy-feedback {
  color: var(--accent-neon);
  font-size: 0.8rem;
  font-weight: 600;
  margin-left: 0.5rem;
  text-shadow: 0 0 6px rgba(0, 255, 136, 0.5);
}

.new-voucher-btn {
  margin-top: 1rem;
  padding: 0.6rem 1.2rem;
  width: 100%;
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.25);
  border-radius: 8px;
  color: var(--accent-secondary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}

.new-voucher-btn:hover {
  background: rgba(167, 139, 250, 0.2);
  box-shadow: 0 0 12px rgba(167, 139, 250, 0.3);
}

/* ── Spin Status ───────────────────────────────────────── */
.spin-status {
  margin-top: 1rem;
  font-size: 0.9rem;
  text-align: center;
  color: var(--text-secondary);
}

.spin-status.error-text {
  color: var(--accent-cta);
  text-shadow: 0 0 6px rgba(244, 63, 94, 0.4);
}

/* ── Animations ────────────────────────────────────────── */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shake {
  0%, 100% { translate: 0 0; }
  10% { translate: -4px 1px; }
  20% { translate: 4px -1px; }
  30% { translate: -3px 2px; }
  40% { translate: 3px -2px; }
  50% { translate: -2px 1px; }
  60% { translate: 2px -1px; }
  70% { translate: -3px 0; }
  80% { translate: 3px 1px; }
  90% { translate: -1px -1px; }
}

.shake {
  animation: shake 0.6s ease-in-out;
}

@keyframes capsule-drop {
  0% {
    translate: 0 0;
    opacity: 1;
  }
  15% {
    translate: 0 30px;
  }
  40% {
    translate: 0 100px;
  }
  55% {
    translate: 0 90px;
  }
  70% {
    translate: 0 100px;
  }
  80% {
    translate: 0 96px;
  }
  100% {
    translate: 0 100px;
    opacity: 1;
  }
}

.dropped-capsule {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 32px;
  height: 32px;
  margin-left: -16px;
  border-radius: 50%;
  z-index: 10;
  box-shadow:
    inset -3px -3px 6px rgba(0, 0, 0, 0.35),
    inset 3px 3px 6px rgba(255, 255, 255, 0.15),
    0 0 16px currentColor;
  animation: capsule-drop 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes error-shake {
  0%, 100% { translate: 0 0; }
  15% { translate: -6px 0; }
  30% { translate: 6px 0; }
  45% { translate: -4px 0; }
  60% { translate: 4px 0; }
  75% { translate: -2px 0; }
  90% { translate: 2px 0; }
}

.error-shake {
  animation: error-shake 0.5s ease-out;
}

/* ── Focus Visible (Accessibility) ─────────────────────── */
*:focus-visible {
  outline: 2px solid var(--accent-secondary);
  outline-offset: 3px;
}

button:focus-visible {
  outline: 2px solid var(--accent-neon);
  outline-offset: 3px;
}

/* ── Interactive Cursors ───────────────────────────────── */
button, a, [role="button"] {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 480px) {
  .app {
    padding: 1.5rem 0.75rem 3rem;
  }

  .machine-dome {
    width: 170px;
    height: 170px;
  }

  .stock-panel {
    width: 170px;
  }

  .machine-base {
    width: 136px;
  }

  .machine-neck {
    width: 68px;
  }

  .spin-btn {
    padding: 0.85rem 2.4rem;
    font-size: 1.2rem;
  }

  .card {
    padding: 1.5rem 1rem;
  }

  .input-group {
    flex-direction: column;
  }

  .input-group button {
    width: 100%;
  }

  .capsule {
    width: 22px;
    height: 22px;
  }
}

/* ── Reduced Motion ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .glitch::before,
  .glitch::after {
    content: none;
  }

  .spin-btn {
    animation: none;
  }
}