/* ---------------------------------------------------------
   tokens
--------------------------------------------------------- */
:root{
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --ease: cubic-bezier(.22,.9,.32,1);
}

html[data-theme="dark"]{
  --bg: #0a0f0c;
  --bg-grad: radial-gradient(120% 100% at 50% -10%, #101a15 0%, #0a0f0c 55%);
  --surface: #121814;
  --surface-2: #182019;
  --surface-raised: #1a231c;
  --border: #223028;
  --border-soft: #1b251f;
  --ink: #eef2ef;
  --ink-dim: #b7c1ba;
  --muted: #7c877f;
  --mint: #2dd4a7;
  --mint-dim: #1c8f70;
  --mint-ink: #06120d;
  --violet: #9c8bfb;
  --violet-soft: #6a5cd6;
  --amber: #f5a623;
  --amber-2: #ef7d1f;
  --danger: #ef6a5f;
  --shadow: 0 24px 60px rgba(0,0,0,.5);
  --shadow-sm: 0 8px 22px rgba(0,0,0,.35);
  --tier-1: #232d28;
  --tier-2: #21453a;
  --tier-3: #1c6b56;
  --tier-4: #189a79;
  --tier-5: #2dd4a7;
  --tier-6: #f5a623;
  --tier-7: #9c8bfb;
  --tier-1-ink: #8b968f;
  --tier-2-ink: #a9c9bc;
  --tier-3-ink: #dff5ec;
  --tier-4-ink: #06120d;
  --tier-5-ink: #06120d;
  --tier-6-ink: #221200;
  --tier-7-ink: #100a2e;
  --peg: #3a473f;
  --peg-hit: #eef2ef;
  color-scheme: dark;
}

html[data-theme="light"]{
  --bg: #f4f7f3;
  --bg-grad: radial-gradient(120% 100% at 50% -10%, #ffffff 0%, #f2f5f1 60%);
  --surface: #ffffff;
  --surface-2: #f0f4f0;
  --surface-raised: #ffffff;
  --border: #dfe7e1;
  --border-soft: #e8ede9;
  --ink: #10140f;
  --ink-dim: #3c4640;
  --muted: #6c766f;
  --mint: #189a79;
  --mint-dim: #0f7c62;
  --mint-ink: #ffffff;
  --violet: #6c5ce7;
  --violet-soft: #7c6cf6;
  --amber: #dd8c0f;
  --amber-2: #c96e10;
  --danger: #d5493d;
  --shadow: 0 24px 50px rgba(20,30,25,.10);
  --shadow-sm: 0 8px 20px rgba(20,30,25,.08);
  --tier-1: #e7ece7;
  --tier-2: #cfe9dd;
  --tier-3: #9fdcc2;
  --tier-4: #57c9a0;
  --tier-5: #189a79;
  --tier-6: #dd8c0f;
  --tier-7: #6c5ce7;
  --tier-1-ink: #6c766f;
  --tier-2-ink: #1c4235;
  --tier-3-ink: #0d3527;
  --tier-4-ink: #ffffff;
  --tier-5-ink: #ffffff;
  --tier-6-ink: #2a1600;
  --tier-7-ink: #ffffff;
  --peg: #c7d2cb;
  --peg-hit: #10140f;
  color-scheme: light;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--font);
  background: var(--bg-grad), var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  transition: background .35s var(--ease), color .35s var(--ease);
}
h1,h2,h3,p,ul{ margin:0; }
button{ font-family: inherit; }
::selection{ background: var(--mint); color: var(--mint-ink); }
:focus-visible{ outline: 2px solid var(--mint); outline-offset: 2px; border-radius: 6px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

.app{
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 20px 60px;
}

/* ---------------------------------------------------------
   header
--------------------------------------------------------- */
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 4px 2px 18px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand .dot{
  width:9px; height:9px; border-radius:50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--mint) 18%, transparent);
  animation: pulseDot 2.4s ease-in-out infinite;
}
@keyframes pulseDot{
  0%,100%{ opacity:1; transform: scale(1); }
  50%{ opacity:.55; transform: scale(.82); }
}
.brand h1{
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.02em;
}
.brand .tag{
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
  margin-left: 2px;
}

.theme-switch{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  cursor: pointer;
  display:flex;
  align-items:center;
  box-shadow: var(--shadow-sm);
}
.theme-switch .track{
  width: 50px; height: 26px;
  border-radius: 999px;
  background: var(--surface-2);
  position: relative;
  display:flex; align-items:center;
  transition: background .3s var(--ease);
}
.theme-switch .thumb{
  position:absolute;
  top: 2px; left: 2px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: linear-gradient(160deg, var(--mint), var(--mint-dim));
  display:flex; align-items:center; justify-content:center;
  font-size: 12px;
  transition: transform .32s var(--ease);
  box-shadow: 0 2px 6px rgba(0,0,0,.3);
}
html[data-theme="light"] .theme-switch .thumb{ transform: translateX(24px); }

/* ---------------------------------------------------------
   balance bar
--------------------------------------------------------- */
.balance-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  background: var(--surface);
  border:1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
}
.balance-block{ display:flex; align-items:baseline; gap:12px; position:relative; }
.balance-block .label{
  font-size: 12px;
  color: var(--muted);
  text-transform: lowercase;
  letter-spacing: .02em;
}
.balance-block .amount{
  font-size: 32px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.balance-block .delta{
  position:absolute;
  left: 100%;
  top: -4px;
  margin-left: 14px;
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  pointer-events:none;
}
.delta.win{ color: var(--mint); }
.delta.loss{ color: var(--danger); }

.text-btn{
  background:none;
  border: none;
  color: var(--muted);
  font-size: 12.5px;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 6px;
}
.text-btn:hover{ color: var(--ink); }

/* ---------------------------------------------------------
   layout
--------------------------------------------------------- */
.layout{
  display:grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 18px;
  align-items: start;
}
@media (max-width: 860px){
  .layout{ grid-template-columns: 1fr; }
}

.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}
.card + .card{ margin-top: 14px; }
.card h2{
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-dim);
  letter-spacing: .03em;
  margin-bottom: 12px;
}

/* ---------------------------------------------------------
   board
--------------------------------------------------------- */
.board-panel{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 18px 14px;
  box-shadow: var(--shadow);
}
.board-wrap{
  position: relative;
  width: 100%;
}
#board{
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1.02;
  display:block;
  border-radius: var(--radius-md);
}
.bins{
  display:flex;
  gap: 3px;
  margin-top: 4px;
  padding: 0 3%;
}
.bin{
  flex:1;
  min-width: 0;
  text-align:center;
  font-size: 10.5px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  padding: 7px 2px;
  border-radius: 8px;
  background: var(--tier-1);
  color: var(--tier-1-ink);
  transition: transform .18s var(--ease);
}
.bin.tier-2{ background: var(--tier-2); color: var(--tier-2-ink); }
.bin.tier-3{ background: var(--tier-3); color: var(--tier-3-ink); }
.bin.tier-4{ background: var(--tier-4); color: var(--tier-4-ink); }
.bin.tier-5{ background: var(--tier-5); color: var(--tier-5-ink); }
.bin.tier-6{ background: var(--tier-6); color: var(--tier-6-ink); }
.bin.tier-7{
  background: var(--tier-7); color: var(--tier-7-ink);
  animation: jackpotGlow 2.6s ease-in-out infinite;
}
@keyframes jackpotGlow{
  0%,100%{ box-shadow: 0 0 0 rgba(156,139,251,0); }
  50%{ box-shadow: 0 0 16px 2px color-mix(in srgb, var(--violet) 55%, transparent); }
}
.bin.flash{ transform: translateY(-3px) scale(1.08); }

.board-hint{
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
  text-align:center;
}

/* ---------------------------------------------------------
   bet grid
--------------------------------------------------------- */
.bet-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.bet-chip{
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--ink-dim);
  border-radius: var(--radius-sm);
  padding: 10px 4px;
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition: all .18s var(--ease);
}
.bet-chip:hover{ border-color: var(--mint); color: var(--ink); }
.bet-chip.active{
  background: var(--mint);
  border-color: var(--mint);
  color: var(--mint-ink);
  transform: translateY(-1px);
}
.bet-chip .sub{
  display:block;
  font-size: 10px;
  font-weight: 500;
  opacity: .75;
  margin-top: 2px;
}

/* ---------------------------------------------------------
   drop controls
--------------------------------------------------------- */
.drop-row{
  display:flex;
  align-items:center;
  gap: 10px;
}
.btn{
  border:none;
  border-radius: var(--radius-sm);
  padding: 13px 18px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s var(--ease), box-shadow .15s var(--ease), opacity .15s var(--ease);
}
.btn:active{ transform: scale(.97); }
.btn.primary{
  flex: 1;
  background: linear-gradient(160deg, var(--mint), var(--mint-dim));
  color: var(--mint-ink);
  box-shadow: 0 10px 22px color-mix(in srgb, var(--mint) 28%, transparent);
}
.btn.primary:disabled{ opacity: .4; cursor: not-allowed; box-shadow: none; }

.switch-row{
  display:flex;
  align-items:center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-dim);
  cursor: pointer;
  white-space: nowrap;
}
.mini-switch{ position:relative; display:inline-block; width: 36px; height: 20px; }
.mini-switch input{ opacity:0; width:0; height:0; position:absolute; }
.mini-track{
  position:absolute; inset:0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: background .25s var(--ease);
}
.mini-thumb{
  position:absolute;
  top: 1px; left: 1px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform .25s var(--ease), background .25s var(--ease);
}
.mini-switch input:checked + .mini-track{ background: color-mix(in srgb, var(--mint) 30%, var(--surface-2)); border-color: var(--mint); }
.mini-switch input:checked + .mini-track .mini-thumb{ transform: translateX(16px); background: var(--mint); }

.btn.bet-all{
  width: 100%;
  margin-top: 10px;
  background: linear-gradient(160deg, var(--amber), var(--amber-2));
  color: #1a0f00;
  letter-spacing: .03em;
  box-shadow: 0 10px 22px color-mix(in srgb, var(--amber) 30%, transparent);
}
.btn.bet-all.armed{
  background: linear-gradient(160deg, var(--danger), #b8392f);
  color: #fff;
  animation: armedPulse 1s ease-in-out infinite;
}
@keyframes armedPulse{
  0%,100%{ transform: scale(1); }
  50%{ transform: scale(1.02); }
}
.btn.bet-all:disabled{ opacity:.4; cursor:not-allowed; animation:none; }

.status-msg{
  margin-top: 10px;
  font-size: 11.5px;
  color: var(--muted);
  min-height: 14px;
  text-align:center;
}

/* ---------------------------------------------------------
   upgrades
--------------------------------------------------------- */
.upgrade{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--border-soft);
}
.upgrade:first-child{ border-top:none; padding-top: 2px; }
.upgrade-info{ flex:1; min-width:0; }
.upgrade-info .name-row{
  display:flex; align-items:center; gap:8px;
  font-size: 13px; font-weight: 700;
}
.upgrade-info .level-pill{
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
  background: var(--surface-2);
  border-radius: 999px;
  padding: 2px 7px;
  font-variant-numeric: tabular-nums;
}
.upgrade-info .desc{
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 3px;
}
.upgrade-info .effect{
  font-size: 11.5px;
  color: var(--mint);
  margin-top: 3px;
  font-weight: 600;
}
.upgrade-btn{
  flex-shrink:0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  font-variant-numeric: tabular-nums;
  transition: all .18s var(--ease);
  min-width: 74px;
}
.upgrade-btn:hover:not(:disabled){ border-color: var(--mint); color: var(--mint); }
.upgrade-btn:disabled{ opacity:.45; cursor:not-allowed; }
.upgrade-btn.maxed{ opacity:.6; }

/* ---------------------------------------------------------
   instructions
--------------------------------------------------------- */
.instructions-toggle{
  width:100%;
  background:none;
  border:none;
  color: var(--ink-dim);
  font-size: 13px;
  font-weight: 700;
  display:flex; align-items:center; justify-content:space-between;
  cursor:pointer;
  padding: 0;
  letter-spacing: .03em;
}
.instructions-toggle .chev{ transition: transform .25s var(--ease); color: var(--muted); }
.instructions-toggle.open .chev{ transform: rotate(180deg); }
.how-to-list{
  list-style: none;
  padding: 0;
  margin-top: 0;
  max-height: 0;
  overflow:hidden;
  transition: max-height .3s var(--ease), margin-top .3s var(--ease);
}
.how-to-list.open{ margin-top: 12px; max-height: 400px; }
.how-to-list li{
  font-size: 12.5px;
  color: var(--ink-dim);
  line-height: 1.55;
  padding-left: 14px;
  position: relative;
  margin-bottom: 8px;
}
.how-to-list li::before{
  content: "";
  position:absolute;
  left:0; top: 7px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--mint);
}

footer{
  text-align:center;
  margin-top: 26px;
}
footer p{
  font-size: 11.5px;
  color: var(--muted);
}

/* game-over overlay */
.broke-banner{
  display:none;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  background: color-mix(in srgb, var(--danger) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--danger) 40%, var(--border));
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 14px;
  font-size: 12.5px;
  color: var(--ink-dim);
}
.broke-banner.show{ display:flex; }
.broke-banner button{
  background: var(--danger);
  color:#fff;
  border:none;
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 700;
  cursor:pointer;
  flex-shrink:0;
}