/* Mines (#/mines) */
.mines-page .game-stage { padding: 20px; }
/* Let the 1fr grid track shrink below the bet field's intrinsic width (else ~414px wide on a 390px phone) */
.mines-page .game-controls, .mines-page .game-stage { min-width: 0; }
.mines-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ------------------------------------------------------------------ controls */
.mines-quick { margin-bottom: 8px; }
.mines-quick button { font-variant-numeric: tabular-nums; transition: background .15s, color .15s; }
.mines-quick button:not(.active):not(:disabled):hover { color: var(--text); }
.mines-quick button:disabled, .mines-stepper .btn:disabled { cursor: not-allowed; }
.mines-quick button:disabled:not(.active) { opacity: .5; }
.mines-stepper { display: grid; grid-template-columns: 40px 1fr 40px; gap: 6px; }
.mines-stepper .btn { height: 38px; padding: 0; font-size: 18px; }
.mines-stepper .input { height: 38px; text-align: center; font-weight: 700; font-variant-numeric: tabular-nums; -moz-appearance: textfield; appearance: textfield; }
.mines-stepper .input::-webkit-outer-spin-button, .mines-stepper .input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.mines-stepper .input:disabled, .mines-page .bet-input .input:disabled { opacity: .6; cursor: not-allowed; }

.mines-split { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mines-split > div {
  display: flex; align-items: center; gap: 8px; padding: 9px 11px; border-radius: 10px;
  background: var(--bg2); border: 1px solid var(--line); font-size: 13px; color: var(--muted); font-weight: 600;
}
.mines-split svg { width: 20px; height: 20px; flex: none; }
.mines-split b { margin-left: auto; color: var(--text); font-variant-numeric: tabular-nums; font-size: 15px; }
.mines-split-gem b { color: var(--green); }
.mines-split-mine b { color: var(--accent-hi); }

.mines-actions { display: flex; flex-direction: column; gap: 8px; }
.mines-main { width: 100%; }
.mines-main small { font-size: 12px; font-weight: 500; opacity: .75; }
.mines-main.is-cash { box-shadow: 0 8px 26px -10px rgba(228, 174, 57, .75), inset 0 -2px 0 rgba(0, 0, 0, .15); }
.mines-main.is-cash .price { font-size: 16px; }
.mines-main.is-cash .coin { filter: drop-shadow(0 1px 0 rgba(0, 0, 0, .25)); }
.mines-main[aria-busy="true"] { opacity: .8; cursor: progress; }
.mines-main.mines-nudge { animation: mines-nudge .45s ease; }
.mines-random { width: 100%; }
.mines-stats { display: flex; flex-direction: column; gap: 8px; padding-top: 4px; border-top: 1px solid var(--line); }
.mines-stats .game-stat:first-child { margin-top: 10px; }

/* ------------------------------------------------------------------ stage */
.mines-stage { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.mines-hud, .mines-board, .mines-ladder { width: 100%; max-width: 540px; }
.mines-hud { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mines-hud-cell {
  background: linear-gradient(180deg, var(--panel2), var(--bg2)); border: 1px solid var(--line);
  border-radius: 12px; padding: 9px 10px; text-align: center; min-width: 0; transition: border-color .25s, box-shadow .25s;
}
.mines-hud-cell small { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 600; }
.mines-hud-cell b {
  display: flex; justify-content: center; align-items: center; gap: 2px; font-family: var(--display); font-weight: 400;
  font-size: 21px; line-height: 1.25; font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.mines-hud-cell b .price { font-weight: 400; }
.mines-hud-cell.is-up { border-color: rgba(52, 211, 153, .35); box-shadow: 0 0 24px -12px rgba(52, 211, 153, .6); }
.mines-hud-cell.is-up b { color: var(--green); }
.mines-hud-cell.is-down { border-color: rgba(239, 59, 59, .4); }
.mines-hud-cell.is-down b { color: var(--accent-hi); }

/* board */
.mines-board { position: relative; }
.mines-board.is-shake { animation: mines-shake .55s cubic-bezier(.36, .07, .19, .97) both; }
.mines-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: clamp(6px, 1.8vw, 12px); padding: clamp(8px, 2.2vw, 16px);
  border-radius: 18px; border: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(239, 59, 59, .07), transparent 60%),
    var(--bg2);
  box-shadow: inset 0 2px 24px rgba(0, 0, 0, .55);
  transition: border-color .3s, box-shadow .3s;
}
.mines-grid.is-live {
  border-color: rgba(239, 59, 59, .35);
  box-shadow: inset 0 2px 24px rgba(0, 0, 0, .55), 0 0 50px -18px rgba(239, 59, 59, .55);
}

.mines-tile {
  position: relative; aspect-ratio: 1; padding: 0; border: 0; border-radius: 12px; background: none;
  cursor: default; perspective: 700px; -webkit-tap-highlight-color: transparent; outline: none;
}
.mines-grid.is-live .mines-tile:not(.is-open) { cursor: pointer; }
.mines-tile:focus-visible { box-shadow: 0 0 0 3px var(--bg2), 0 0 0 5px var(--accent-hi); z-index: 1; }
.mines-tile-inner {
  position: absolute; inset: 0; transform-style: preserve-3d;
  transition: transform .55s cubic-bezier(.3, 1.35, .5, 1) var(--d, 0ms);
}
.mines-tile.is-open .mines-tile-inner { transform: rotateY(180deg); }
.mines-face {
  position: absolute; inset: 0; display: grid; place-items: center; border-radius: 12px;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
}
.mines-front {
  background: linear-gradient(180deg, #3b2c32 0%, #2a1f23 100%);
  border: 1px solid #4a383e;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07), inset 0 -4px 0 rgba(0, 0, 0, .35), 0 4px 10px rgba(0, 0, 0, .35);
  transition: transform .16s ease, box-shadow .2s, border-color .2s, background .2s;
}
.mines-front::after {
  content: ''; width: 26%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .09), transparent 70%);
  transition: background .2s, transform .2s;
}
.mines-grid.is-live .mines-tile:not(.is-open):hover .mines-front,
.mines-grid.is-live .mines-tile:not(.is-open):focus-visible .mines-front {
  transform: translateY(-3px);
  border-color: var(--accent);
  background: linear-gradient(180deg, #4a353c 0%, #31242a 100%);
  box-shadow: 0 0 0 1px rgba(239, 59, 59, .35), 0 10px 24px -6px rgba(239, 59, 59, .55),
    inset 0 1px 0 rgba(255, 255, 255, .1), inset 0 -4px 0 rgba(0, 0, 0, .35);
}
.mines-grid.is-live .mines-tile:not(.is-open):hover .mines-front::after {
  background: radial-gradient(circle, rgba(255, 107, 107, .45), transparent 70%); transform: scale(1.3);
}
.mines-grid.is-live .mines-tile:not(.is-open):active .mines-front { transform: translateY(0) scale(.96); }
.mines-tile.is-pending .mines-front { animation: mines-pending .5s ease-in-out infinite alternate; }

/* revealed faces */
.mines-back {
  transform: rotateY(180deg); overflow: hidden;
  background: radial-gradient(circle at 50% 45%, rgba(52, 211, 153, .24), rgba(52, 211, 153, .04) 62%), #15201b;
  border: 1px solid rgba(52, 211, 153, .5);
  box-shadow: inset 0 0 18px rgba(52, 211, 153, .18), 0 0 22px -8px rgba(52, 211, 153, .7);
  transition: background .3s, border-color .3s, box-shadow .3s;
}
.mines-back svg { width: 64%; height: 64%; filter: drop-shadow(0 4px 10px rgba(52, 211, 153, .45)); transition: opacity .3s, transform .3s; }
.mines-tile.is-mine .mines-back {
  background: radial-gradient(circle at 50% 45%, rgba(239, 59, 59, .3), rgba(239, 59, 59, .05) 65%), #211315;
  border-color: rgba(239, 59, 59, .5);
  box-shadow: inset 0 0 18px rgba(239, 59, 59, .2);
}
.mines-tile.is-mine .mines-back svg { filter: drop-shadow(0 4px 12px rgba(239, 59, 59, .45)); }
.mines-tile.is-dim .mines-back { background: #171113; border-color: var(--line); box-shadow: none; }
.mines-tile.is-dim .mines-back svg { opacity: .38; transform: scale(.74); filter: saturate(.6); }
.mines-tile.is-dim.is-mine .mines-back {
  background: radial-gradient(circle at 50% 50%, rgba(239, 59, 59, .17), transparent 70%), #1a1012;
  border-color: rgba(239, 59, 59, .24);
}
.mines-tile.is-dim.is-mine .mines-back svg { opacity: .8; filter: drop-shadow(0 0 6px rgba(239, 59, 59, .4)); }
.mines-tile.is-hit { z-index: 2; }
.mines-tile.is-hit .mines-back {
  background: radial-gradient(circle at 50% 50%, #ff7a7a 0%, #c62828 38%, #4a0f14 78%, #230a0d 100%);
  border-color: #ff8a8a;
  box-shadow: 0 0 34px rgba(239, 59, 59, .85), inset 0 0 22px rgba(255, 170, 170, .45);
}
.mines-tile.is-hit .mines-back svg { filter: drop-shadow(0 0 10px rgba(255, 90, 90, .9)); }

/* gem found */
.mines-tile.is-pop.is-gem .mines-back svg { animation: mines-gem-pop .65s cubic-bezier(.2, 1.5, .4, 1) .14s both; }
.mines-tile.is-pop.is-gem .mines-back::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 32%, rgba(255, 255, 255, .38) 50%, transparent 68%);
  background-size: 260% 100%; animation: mines-shine .9s ease .3s both;
}
.mines-tile.is-pop.is-gem::after {
  content: ''; position: absolute; inset: -3px; border-radius: 14px; border: 2px solid var(--green);
  pointer-events: none; animation: mines-ring .7s ease-out .16s both;
}

/* mine hit */
.mines-tile.is-pop.is-hit .mines-back svg { animation: mines-bomb-hit .6s cubic-bezier(.2, 1.6, .4, 1) .1s both; }
.mines-tile.is-pop.is-hit::after {
  content: ''; position: absolute; inset: -6px; border-radius: 50%; border: 3px solid #ff6b6b;
  pointer-events: none; animation: mines-blast .7s ease-out .12s both;
}
.mines-burst { position: absolute; left: 50%; top: 50%; width: 0; height: 0; pointer-events: none; z-index: 3; }
.mines-burst i {
  position: absolute; left: -4px; top: -4px; width: 8px; height: 8px; border-radius: 50%;
  background: radial-gradient(circle, #fff3c4, #ff7a3d 55%, #ef3b3b);
  box-shadow: 0 0 10px rgba(255, 110, 60, .9);
  animation: mines-spark .75s cubic-bezier(.15, .7, .3, 1) .12s both;
}

/* instant state changes (restore / reset) */
.mines-tile.no-anim, .mines-tile.no-anim * { transition: none !important; }

/* new round */
.mines-grid.is-deal .mines-tile { animation: mines-deal .5s cubic-bezier(.2, 1.3, .4, 1) calc(var(--i, 0) * 32ms) both; }

/* flash when a mine goes off (covers the whole stage) */
.mines-flash {
  position: absolute; inset: 0; pointer-events: none; opacity: 0; z-index: 4;
  background: radial-gradient(circle at var(--fx, 50%) var(--fy, 50%), rgba(255, 80, 80, .5), rgba(239, 59, 59, .16) 38%, transparent 72%);
}
.mines-flash.is-on { animation: mines-flash .75s ease-out both; }

/* win card */
.mines-result { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; z-index: 3; }
.mines-result:empty { display: none; }
.mines-result-card {
  pointer-events: auto; cursor: pointer; min-width: 180px; text-align: center; padding: 16px 28px 18px; border-radius: 16px;
  background: rgba(14, 10, 11, .9); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  border: 2px solid var(--green);
  box-shadow: 0 0 60px -6px rgba(52, 211, 153, .45), 0 24px 50px rgba(0, 0, 0, .55);
  animation: mines-card .55s cubic-bezier(.2, 1.45, .4, 1) .35s both;
}
.mines-result-card small { display: block; font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.mines-result-card b { display: block; font-family: var(--display); font-weight: 400; font-size: 40px; line-height: 1.15; color: var(--green); text-shadow: 0 0 24px rgba(52, 211, 153, .45); }
.mines-result-card .price { font-size: 18px; }

/* multiplier ladder */
.mines-ladder {
  position: relative; display: flex; gap: 6px; overflow-x: auto; padding: 2px 2px 8px;
  scrollbar-width: thin; scrollbar-color: var(--line2) transparent; overscroll-behavior-x: contain;
}
.mines-ladder::-webkit-scrollbar { height: 6px; }
.mines-ladder::-webkit-scrollbar-thumb { background: var(--line2); border-radius: 3px; }
.mines-step {
  flex: 0 0 auto; min-width: 66px; padding: 5px 9px 6px; border-radius: 10px; text-align: center;
  background: var(--bg2); border: 1px solid var(--line); transition: background .3s, border-color .3s, transform .3s;
}
.mines-step small { display: block; font-size: 10.5px; font-weight: 700; color: var(--dim); }
.mines-step b { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.mines-step.is-done { background: rgba(52, 211, 153, .08); border-color: rgba(52, 211, 153, .35); }
.mines-step.is-done b { color: var(--green); }
.mines-step.is-next { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(239, 59, 59, .3), 0 6px 18px -8px rgba(239, 59, 59, .7); transform: translateY(-1px); }
.mines-step.is-next b { color: var(--text); }

.mines-status { margin: -4px 0 0; min-height: 21px; text-align: center; font-size: 14px; color: var(--muted); }
.mines-status.is-win { color: var(--green); font-weight: 600; }
.mines-status.is-loss { color: var(--accent-hi); font-weight: 600; }

/* how to play */
.mines-how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
.mines-how .panel { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; }
.mines-how .panel > b {
  flex: none; width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: rgba(239, 59, 59, .14); color: var(--accent-hi); font-family: var(--display); font-weight: 400;
}
.mines-how h3 { font-size: 15px; margin-bottom: 2px; }
.mines-how p { margin: 0; font-size: 13px; }

/* ------------------------------------------------------------------ keyframes */
@keyframes mines-deal { from { transform: scale(.55) translateY(10px); opacity: 0; } }
@keyframes mines-pending {
  from { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07), 0 0 0 1px rgba(239, 59, 59, .25), 0 0 10px -2px rgba(239, 59, 59, .35); }
  to { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1), 0 0 0 2px rgba(255, 107, 107, .6), 0 0 22px 0 rgba(239, 59, 59, .6); }
}
@keyframes mines-gem-pop {
  0% { transform: scale(.2) rotate(-28deg); opacity: 0; }
  60% { transform: scale(1.18) rotate(5deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); }
}
@keyframes mines-shine { from { background-position: 130% 0; } to { background-position: -130% 0; } }
@keyframes mines-ring { from { transform: scale(.75); opacity: .95; } to { transform: scale(1.28); opacity: 0; } }
@keyframes mines-bomb-hit {
  0% { transform: scale(.3); }
  55% { transform: scale(1.3) rotate(-8deg); }
  100% { transform: scale(1) rotate(0); }
}
@keyframes mines-blast { from { transform: scale(.4); opacity: 1; border-width: 6px; } to { transform: scale(2.4); opacity: 0; border-width: 1px; } }
@keyframes mines-spark {
  from { transform: rotate(var(--a)) translateY(0) scale(1.2); opacity: 1; }
  to { transform: rotate(var(--a)) translateY(calc(var(--r) * -1)) scale(.2); opacity: 0; }
}
@keyframes mines-shake {
  10%, 90% { transform: translate3d(-2px, 0, 0); }
  20%, 80% { transform: translate3d(5px, 1px, 0); }
  30%, 50%, 70% { transform: translate3d(-8px, -1px, 0); }
  40%, 60% { transform: translate3d(8px, 1px, 0); }
}
@keyframes mines-flash { 0% { opacity: 0; } 12% { opacity: 1; } 100% { opacity: 0; } }
@keyframes mines-card { from { transform: scale(.6) translateY(10px); opacity: 0; } }
@keyframes mines-nudge {
  20% { transform: translateX(-5px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

@media (prefers-reduced-motion: reduce) {
  .mines-tile-inner { transition-duration: .01ms; }
  .mines-board.is-shake, .mines-grid.is-deal .mines-tile, .mines-burst i { animation: none; }
}

/* ------------------------------------------------------------------ small screens */
@media (max-width: 900px) {
  .mines-actions { order: -1; } /* Start / Cash out right under the board */
  .mines-how { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .mines-page .game-stage { padding: 12px; }
  .mines-stage { gap: 12px; }
  .mines-hud { gap: 6px; }
  .mines-hud-cell { padding: 7px 6px; border-radius: 10px; }
  .mines-hud-cell small { font-size: 10px; letter-spacing: .05em; }
  .mines-hud-cell b { font-size: 16px; }
  .mines-tile, .mines-face { border-radius: 9px; }
  .mines-tile.is-pop.is-gem::after { border-radius: 11px; }
  .mines-result-card { min-width: 150px; padding: 12px 20px 14px; }
  .mines-result-card b { font-size: 30px; }
  .mines-step { min-width: 58px; padding: 4px 7px 5px; }
}