@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --bg:         #111417;
  --bg-raised:  #181c20;
  --bg-sunken:  #0b0d0f;
  --bg-panel:   #21262c;
  --fg:         #ece6d6;
  --fg-soft:    #cdc7b8;
  --fg-muted:   #9a9483;
  --fg-faint:   #6b6657;
  --fg-dim:     #4a4840;
  --fg-on-copper: #1a1207;
  --border:     #2c333a;
  --copper-300: #e0a558;
  --copper-400: #d18838;
  --copper-500: #b86a22;
  --copper-600: #8f4d15;
  --copper-dim: rgba(209,136,56,0.10);
  --solder-400: #34c46a;
  --heat-400:   #e0533a;
  --glow-copper: 0 0 0 1px var(--copper-500), 0 0 28px -6px rgba(209,136,56,0.45);
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;
}

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

body {
  font-family: var(--font-display);
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  -webkit-font-smoothing: antialiased;
}

/* ── Nav ──────────────────────────────────────────────────────────────────── */
nav {
  width: 100%;
  background: rgba(17,20,23,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--copper-600);
  position: sticky; top: 0; z-index: 10;
  overflow: hidden;
  padding: 10px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
nav::before {
  content: '';
  position: absolute; inset: 0;
  background: url('/assets/circuit-bg.svg') center / 300px;
  opacity: 0.08; pointer-events: none;
}
.nav-back {
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--fg-muted); text-decoration: none;
  transition: color 120ms;
  position: relative;
}
.nav-back:hover { color: var(--copper-400); }
.nav-title {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--copper-400);
  position: relative;
}
.nav-balance {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; color: var(--copper-400);
  background: var(--copper-dim); border: 1px solid var(--copper-600);
  border-radius: 4px; padding: 3px 10px; position: relative;
}

/* ── Main layout ─────────────────────────────────────────────────────────── */
main {
  flex: 1; width: 100%; max-width: 560px;
  padding: 40px 20px 60px;
  display: flex; flex-direction: column; align-items: center; gap: 32px;
}

/* ── Machine body ────────────────────────────────────────────────────────── */
.machine {
  width: 100%;
  background: var(--bg-raised);
  border: 1px solid var(--copper-600);
  border-radius: 12px;
  padding: 28px 24px 24px;
  position: relative; overflow: hidden;
  box-shadow: 0 0 0 1px var(--border), 0 8px 40px rgba(0,0,0,0.5);
}
.machine::before {
  content: '';
  position: absolute; inset: 0;
  background: url('/assets/circuit-bg.svg') center / 280px;
  opacity: 0.06; pointer-events: none;
}
.machine-silk {
  font-family: var(--font-mono); font-size: 9px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--copper-600);
  position: absolute; top: 10px; left: 14px;
}
.machine-silk-r {
  font-family: var(--font-mono); font-size: 9px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--copper-600);
  position: absolute; top: 10px; right: 14px;
}

/* ── Reels ───────────────────────────────────────────────────────────────── */
.reels-wrapper {
  display: flex; gap: 12px; justify-content: center;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 12px;
  position: relative;
  overflow: hidden;
}
.reel {
  width: 110px; height: 96px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  position: relative;
  display: flex; align-items: flex-start; justify-content: center;
  transition: border-color 200ms, box-shadow 200ms;
}

/* blur mask top/bottom so symbols fade in/out */
.reel::before, .reel::after {
  content: ''; position: absolute; left: 0; right: 0; z-index: 2; pointer-events: none;
}
.reel::before { top: 0;    height: 20px; background: linear-gradient(to bottom, var(--bg), transparent); }
.reel::after  { bottom: 0; height: 20px; background: linear-gradient(to top,   var(--bg), transparent); }

.reel-track {
  display: flex; flex-direction: column; align-items: center;
  will-change: transform;
}
.reel.spinning { filter: blur(1.5px); }
.reel-symbol {
  width: 110px; height: 96px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 36px;
  line-height: 1;
  user-select: none;
}

.reel.winning {
  border-color: var(--copper-500);
  box-shadow: 0 0 0 1px var(--copper-500), 0 0 24px -4px rgba(209,136,56,0.5);
  animation: reel-pulse 0.6s ease-in-out infinite alternate;
}
@keyframes reel-pulse {
  from { box-shadow: 0 0 0 1px var(--copper-500), 0 0 16px -4px rgba(209,136,56,0.4); }
  to   { box-shadow: 0 0 0 1px var(--copper-500), 0 0 32px -2px rgba(209,136,56,0.7); }
}
.reel.near-miss-flash {
  animation: near-flash 0.4s ease;
}
@keyframes near-flash {
  0%, 100% { border-color: var(--border); }
  50%       { border-color: var(--heat-400); box-shadow: 0 0 16px -4px rgba(224,83,58,0.5); }
}

/* win line overlay */
.win-line {
  position: absolute; left: 0; right: 0;
  top: 50%; transform: translateY(-50%);
  height: 2px; background: var(--copper-400); opacity: 0;
  pointer-events: none; transition: opacity 300ms;
}
.reels-wrapper.has-win .win-line { opacity: 0.6; }

/* ── Anticipation overlay ─────────────────────────────────────────────────── */
.anticipation-overlay {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-size: 22px; font-weight: 700;
  color: var(--copper-400);
  animation: anticipate-pulse 0.4s ease-in-out infinite alternate;
  z-index: 10; pointer-events: none;
}
@keyframes anticipate-pulse {
  from { opacity: 0.5; transform: translateY(-50%) scale(0.9); }
  to   { opacity: 1;   transform: translateY(-50%) scale(1.1); }
}

/* ── Particle container ───────────────────────────────────────────────────── */
#particle-container {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 20;
}
.particle {
  position: absolute; bottom: 0;
  font-size: 16px; line-height: 1;
  animation: particle-rise linear forwards;
}
@keyframes particle-rise {
  0%   { transform: translateX(0) translateY(0)    scale(1);   opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateX(var(--drift)) translateY(-160px) scale(0.4); opacity: 0; }
}

/* ── Machine shake ────────────────────────────────────────────────────────── */
.machine.shake {
  animation: machine-shake 0.7s cubic-bezier(0.36,0.07,0.19,0.97);
}
@keyframes machine-shake {
  0%,100% { transform: none; }
  10%  { transform: translate(-6px,-3px) rotate(-0.4deg); }
  20%  { transform: translate(6px, 4px) rotate( 0.4deg); }
  30%  { transform: translate(-5px, 3px) rotate(-0.3deg); }
  40%  { transform: translate(5px,-4px) rotate( 0.3deg); }
  50%  { transform: translate(-3px, 2px); }
  60%  { transform: translate(3px,-2px); }
  70%  { transform: translate(-2px, 1px); }
  80%  { transform: translate(2px,-1px); }
}

/* ── Controls ────────────────────────────────────────────────────────────── */
.controls {
  display: flex; flex-direction: column; gap: 14px;
  align-items: center;
  position: relative;
}

.bet-row {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-muted);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.bet-btn {
  background: var(--bg-panel); border: 1px solid var(--border);
  color: var(--fg-muted); border-radius: 4px; padding: 4px 10px;
  font-family: var(--font-mono); font-size: 11px; cursor: pointer;
  transition: all 120ms;
}
.bet-btn:hover { border-color: var(--copper-600); color: var(--fg); }
.bet-btn.active {
  background: var(--copper-dim); border-color: var(--copper-500);
  color: var(--copper-300);
}

.spin-btn {
  font-family: var(--font-mono); font-weight: 700; font-size: 13px;
  letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--copper-400); color: var(--fg-on-copper);
  border: none; border-radius: 6px;
  padding: 14px 48px; cursor: pointer;
  transition: all 120ms;
  box-shadow: 0 2px 0 var(--copper-600);
}
.spin-btn:hover:not(:disabled) {
  background: var(--copper-300);
  box-shadow: var(--glow-copper), 0 2px 0 var(--copper-600);
}
.spin-btn:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow: 0 0 0 var(--copper-600);
}
.spin-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Result banner ───────────────────────────────────────────────────────── */
.result-banner {
  min-height: 48px; width: 100%;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  font-family: var(--font-mono); font-size: 13px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  border-radius: 6px; padding: 10px 16px;
  transition: all 200ms;
  opacity: 0;
}
.result-banner.show { opacity: 1; }
.result-banner.win {
  background: rgba(52,196,106,0.10); color: #6edea4;
  border: 1px solid rgba(52,196,106,0.25);
}
.result-banner.loss {
  background: rgba(224,83,58,0.08); color: var(--fg-muted);
  border: 1px solid rgba(224,83,58,0.15);
}
.result-banner.jackpot {
  background: var(--copper-dim); color: var(--copper-300);
  border: 1px solid var(--copper-500);
  box-shadow: var(--glow-copper);
  font-size: 15px;
  animation: jackpot-pulse 0.8s ease-in-out infinite alternate;
}
@keyframes jackpot-pulse {
  from { box-shadow: var(--glow-copper); letter-spacing: 0.08em; }
  to   { box-shadow: 0 0 0 1px var(--copper-500), 0 0 48px -4px rgba(209,136,56,0.7); letter-spacing: 0.14em; }
}
.result-banner.near-miss-banner {
  background: rgba(224,83,58,0.07); color: var(--heat-400);
  border: 1px solid rgba(224,83,58,0.25);
  letter-spacing: 0.2em;
}

/* ── Paytable ────────────────────────────────────────────────────────────── */
.paytable {
  width: 100%;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
}
.paytable-title {
  font-family: var(--font-mono); font-size: 9px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--copper-600);
  margin-bottom: 12px;
}
.pay-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 0; border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.pay-row:last-child { border-bottom: none; }
.pay-symbols {
  font-family: var(--font-mono); font-weight: 700; letter-spacing: 0.06em;
  display: flex; gap: 4px;
}
.pay-amount {
  font-family: var(--font-mono); font-size: 11px; color: var(--copper-400);
}
.pay-amount span { font-size: 9px; color: var(--fg-faint); margin-left: 3px; }

/* ── Login notice ────────────────────────────────────────────────────────── */
.login-notice {
  font-size: 13px; color: var(--fg-muted); text-align: center;
  padding: 12px 0;
}
.login-notice a { color: var(--copper-400); text-decoration: underline; cursor: pointer; }