/* ============================================================
   Solana Giveaway — theme variables
   Dark theme is the default; light theme activates automatically
   via prefers-color-scheme (system settings).
   ============================================================ */

:root {
  --sol-purple: #9945FF;
  --sol-green: #14F195;
  --sol-blue: #00C2FF;
  --sol-gradient: linear-gradient(135deg, #9945FF 0%, #00C2FF 50%, #14F195 100%);

  --bg: #0a0a12;
  --bg-glow-1: rgba(153, 69, 255, 0.16);
  --bg-glow-2: rgba(20, 241, 149, 0.10);
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: #14141f;
  --border: rgba(255, 255, 255, 0.09);
  --text: #f4f4f8;
  --text-dim: #9b9bad;
  --tile-bg: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  --marker-glow: rgba(20, 241, 149, 0.55);
  --backdrop: rgba(5, 5, 10, 0.72);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6fb;
    --bg-glow-1: rgba(153, 69, 255, 0.10);
    --bg-glow-2: rgba(20, 241, 149, 0.10);
    --surface: rgba(255, 255, 255, 0.75);
    --surface-strong: #ffffff;
    --border: rgba(20, 20, 40, 0.10);
    --text: #15151f;
    --text-dim: #61617a;
    --tile-bg: linear-gradient(180deg, #ffffff, #f3f3fa);
    --shadow: 0 24px 60px rgba(40, 30, 90, 0.14);
    --marker-glow: rgba(153, 69, 255, 0.45);
    --backdrop: rgba(240, 240, 248, 0.66);
  }
}

/* ============================================================
   Base
   ============================================================ */

* { margin: 0; padding: 0; box-sizing: border-box; }

/* ============================================================
   Text selection — browsers only allow one flat color per
   element in ::selection (no gradients), so the Solana gradient
   is spread across elements instead: purple for headings and
   labels, cyan for body text and the prize value, green for
   accents. Selecting across the prize modal sweeps through the
   gradient: purple -> cyan -> green.
   ============================================================ */

::selection {
  background: rgba(153, 69, 255, 0.85); /* Solana purple */
  color: #fff;
}

p::selection,
.modal-prize-value::selection {
  background: rgba(0, 194, 255, 0.85); /* Solana cyan */
  color: #06222e;
}

.gradient-text::selection,
.brand-accent::selection,
.modal-prize-unit::selection,
.tile-value::selection,
.tile-unit::selection {
  background: rgba(20, 241, 149, 0.85); /* Solana green */
  color: #04150d;
}

::-moz-selection {
  background: rgba(153, 69, 255, 0.85);
  color: #fff;
}

p::-moz-selection,
.modal-prize-value::-moz-selection {
  background: rgba(0, 194, 255, 0.85);
  color: #06222e;
}

.gradient-text::-moz-selection,
.brand-accent::-moz-selection,
.modal-prize-unit::-moz-selection,
.tile-value::-moz-selection,
.tile-unit::-moz-selection {
  background: rgba(20, 241, 149, 0.85);
  color: #04150d;
}

html { color-scheme: dark light; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 500px at 12% -8%, var(--bg-glow-1), transparent 60%),
    radial-gradient(900px 500px at 88% 108%, var(--bg-glow-2), transparent 60%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

.gradient-text {
  background: var(--sol-gradient);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: textShimmer 5s linear infinite;
}

@keyframes textShimmer {
  to { background-position: 200% center; }
}

/* ============================================================
   Header
   ============================================================ */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px clamp(20px, 5vw, 56px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
}

.brand-logo {
  width: 34px;
  height: 28px;
  filter: drop-shadow(0 0 12px rgba(153, 69, 255, 0.45));
}

.brand-name {
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-accent {
  background: var(--sol-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.chances-pill {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  backdrop-filter: blur(10px);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-dim);
}

.chances-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sol-green);
  box-shadow: 0 0 8px var(--sol-green);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.8); }
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  text-align: center;
  padding: clamp(28px, 6vh, 64px) 20px 36px;
}

.hero h1 {
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-sub {
  margin-top: 14px;
  color: var(--text-dim);
  font-size: clamp(0.95rem, 2vw, 1.08rem);
  max-width: 520px;
  margin-inline: auto;
  line-height: 1.6;
}

/* ============================================================
   Spinner card
   ============================================================ */

main {
  flex: 1;
  width: 100%;
  max-width: 1060px;
  margin-inline: auto;
  padding-inline: clamp(14px, 4vw, 32px);
}

.spinner-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 26px;
  padding: clamp(22px, 4vw, 40px);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  text-align: center;
}

.spinner-viewport {
  position: relative;
  height: 148px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  animation: viewportGlow 7s ease-in-out infinite;
}

/* ambient glow that breathes between Solana purple and green */
@keyframes viewportGlow {
  0%, 100% {
    box-shadow:
      0 0 26px -6px rgba(153, 69, 255, 0.4),
      inset 0 0 0 1px rgba(153, 69, 255, 0.14);
  }
  50% {
    box-shadow:
      0 0 26px -6px rgba(20, 241, 149, 0.4),
      inset 0 0 0 1px rgba(20, 241, 149, 0.14);
  }
}

/* soft fade on both edges so tiles emerge/disappear smoothly */
.spinner-viewport::before,
.spinner-viewport::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(40px, 10vw, 120px);
  z-index: 3;
  pointer-events: none;
}

.spinner-viewport::before {
  left: 0;
  background: linear-gradient(90deg, var(--surface-strong), transparent);
}

.spinner-viewport::after {
  right: 0;
  background: linear-gradient(-90deg, var(--surface-strong), transparent);
}

/* center marker */
.spinner-marker {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
}

.marker-line {
  flex: 1;
  width: 3px;
  background: var(--sol-gradient);
  box-shadow: 0 0 14px var(--marker-glow);
  border-radius: 2px;
}

.marker-tip {
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
}

.marker-tip-top { border-top: 9px solid var(--sol-green); }
.marker-tip-bottom { border-bottom: 9px solid var(--sol-purple); }

/* track + tiles */
.spinner-track {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-inline: 12px;
  will-change: transform;
}

.tile {
  flex: 0 0 var(--tile-w, 118px);
  height: 112px;
  border-radius: 14px;
  background: var(--tile-bg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

/* hover highlight on the idle strip */
.tile:hover {
  border-color: var(--sol-purple);
  box-shadow: 0 0 18px -4px rgba(153, 69, 255, 0.5);
  transform: translateY(-3px);
}

/* the tile currently under the marker lights up as it passes */
.tile.passing {
  border-color: var(--sol-green);
  box-shadow:
    0 0 16px -2px rgba(20, 241, 149, 0.5),
    0 0 32px -6px rgba(153, 69, 255, 0.45);
  transform: scale(1.05);
}

.tile::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--tier-color, var(--text-dim));
  opacity: 0.9;
}

.tile-value {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.tile-unit {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}

/* prize tiers — rarer prizes get hotter colors */
.tile.tier-zero {
  --tier-color: #ff4d6d;
  opacity: 0.82;
}

.tile.tier-zero .tile-value {
  color: #ff4d6d;
  opacity: 0.75;
}

.tile.tier-common   { --tier-color: #8b8b9e; }
.tile.tier-uncommon { --tier-color: var(--sol-blue); }
.tile.tier-rare     { --tier-color: var(--sol-purple); }
.tile.tier-legendary {
  --tier-color: var(--sol-green);
  background:
    linear-gradient(180deg, rgba(20, 241, 149, 0.12), rgba(153, 69, 255, 0.08)),
    var(--tile-bg);
}

.tile.tier-legendary .tile-value {
  background: var(--sol-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* winning tile highlight after the spin settles */
.tile.winner {
  animation: winnerPulse 1.1s ease-in-out infinite;
  border-color: var(--sol-green);
}

@keyframes winnerPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(20, 241, 149, 0.45); }
  50% { box-shadow: 0 0 22px 4px rgba(20, 241, 149, 0.35); }
}

/* ============================================================
   Spin button
   ============================================================ */

.spin-btn {
  margin-top: 28px;
  position: relative;
  border: none;
  cursor: pointer;
  padding: 16px 64px;
  border-radius: 999px;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  background: var(--sol-gradient);
  background-size: 160% 160%;
  box-shadow: 0 10px 30px rgba(153, 69, 255, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.spin-btn:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 14px 38px rgba(153, 69, 255, 0.5);
}

.spin-btn:active:not(:disabled) {
  transform: translateY(0) scale(0.98);
}

.spin-btn:disabled {
  cursor: not-allowed;
  filter: saturate(0.25) brightness(0.7);
  box-shadow: none;
  animation: none;
}

.odds-note {
  margin-top: 18px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  text-align: center;
  padding: 34px 20px;
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* ============================================================
   Prize modal
   ============================================================ */

.modal-backdrop[hidden] { display: none; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--backdrop);
  backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.modal-backdrop.open { opacity: 1; }
.modal-backdrop.closing { opacity: 0; transition: opacity 0.45s ease 0.1s; }

.modal-card {
  position: relative;
  width: min(440px, 100%);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 46px 36px 38px;
  text-align: center;
  box-shadow: var(--shadow), 0 0 80px rgba(153, 69, 255, 0.18);
  overflow: hidden;
}

.modal-backdrop.open .modal-card {
  animation: modalIn 0.65s cubic-bezier(0.2, 1.4, 0.4, 1) both;
}

.modal-backdrop.closing .modal-card {
  animation: modalOut 0.45s cubic-bezier(0.5, 0, 0.7, 0.4) both;
}

@keyframes modalIn {
  0% { opacity: 0; transform: translateY(46px) scale(0.78); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes modalOut {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(28px) scale(0.88); }
}

/* thin Solana-gradient accent line across the top of the card */
.modal-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--sol-gradient);
}

/* soft breathing glow behind the prize */
.modal-glow {
  position: absolute;
  top: 30px;
  left: 50%;
  width: 340px;
  height: 280px;
  transform: translateX(-50%);
  background:
    radial-gradient(closest-side, rgba(153, 69, 255, 0.22), transparent 70%),
    radial-gradient(closest-side at 60% 60%, rgba(20, 241, 149, 0.14), transparent 70%);
  filter: blur(6px);
  animation: glowBreathe 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes glowBreathe {
  0%, 100% { opacity: 0.7; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.08); }
}

.modal-logo {
  width: 44px;
  height: 36px;
  margin-bottom: 18px;
  filter: drop-shadow(0 0 14px rgba(20, 241, 149, 0.4));
  animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

.modal-kicker {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.modal-prize {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  margin: 14px 0 6px;
}

.modal-prize-value {
  font-size: clamp(3.2rem, 10vw, 4.4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  background: var(--sol-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 4px 22px rgba(153, 69, 255, 0.35));
}

.modal-prize-unit {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.modal-sub {
  color: var(--text-dim);
  font-size: 0.94rem;
  line-height: 1.55;
  margin-bottom: 30px;
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

/* Claim button — hover animation only, intentionally wired to nothing */
.btn-claim {
  position: relative;
  border: none;
  cursor: pointer;
  padding: 16px 24px;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #fff;
  background: var(--sol-gradient);
  background-size: 160% 160%;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.btn-claim::after {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: skewX(-20deg);
  transition: left 0.55s ease;
}

.btn-claim:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(20, 241, 149, 0.35);
}

.btn-claim:hover::after { left: 130%; }

.btn-retry {
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  padding: 14px 24px;
  border-radius: 14px;
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.btn-retry:hover {
  border-color: var(--sol-purple);
  background: rgba(153, 69, 255, 0.08);
  transform: translateY(-1px);
}

.retry-badge {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--sol-gradient);
  color: #fff;
}

/* ============================================================
   Confetti canvas
   ============================================================ */

#confettiCanvas {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
}

/* ============================================================
   Responsive tweaks
   ============================================================ */

@media (max-width: 560px) {
  .spinner-viewport { height: 126px; }
  .tile { height: 96px; }
  .tile-value { font-size: 1.25rem; }
  .spin-btn { width: 100%; padding-inline: 0; }
  .modal-card { padding: 38px 24px 30px; }
}