:root {
    --bg1: #1a1233;
    --bg2: #2d1b4e;
    --panel: rgba(255, 255, 255, 0.06);
    --panel-border: rgba(255, 255, 255, 0.12);
    --accent: #ff4d8d;
    --gold: #ffcf5c;
    --text: #f4f0ff;
    --muted: #a99cc9;
    --board-size: min(92vw, 560px);
}

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

body {
    min-height: 100vh;
    background: radial-gradient(1200px 800px at 50% -10%, var(--bg2), var(--bg1));
    color: var(--text);
    font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
    display: flex;
    justify-content: center;
}

.app {
    width: var(--board-size);
    padding: 18px 0 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

header { text-align: center; }
h1 { font-size: 34px; letter-spacing: 4px; }
.subtitle { color: var(--muted); font-size: 13px; margin-top: 2px; }

.stats {
    width: 100%;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.stat {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 6px 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 86px;
}

.stat .label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--muted);
}

.stat span:last-child { font-size: 16px; font-weight: 700; }
.stat.win span:last-child { color: var(--gold); }
.stat.fs { border-color: var(--gold); }
.stat.fs span:last-child { color: var(--gold); }

.board {
    position: relative;
    width: var(--board-size);
    height: var(--board-size);
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    overflow: hidden;
}

.tile {
    position: absolute;
    top: 0;
    left: 0;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    transition: transform 0.32s cubic-bezier(0.3, 0.9, 0.35, 1.15);
    will-change: transform;
}

.tile .sym {
    font-size: calc(var(--board-size) / 12);
    line-height: 1;
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
    transition: opacity 0.25s, filter 0.25s;
}

.tile .badge {
    position: absolute;
    right: 4%;
    bottom: 2%;
    font-size: calc(var(--board-size) / 26);
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

.tile .fx {
    position: absolute;
    font-size: calc(var(--board-size) / 11);
    opacity: 0;
    transform: scale(0.3);
    pointer-events: none;
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

.tile.special { box-shadow: inset 0 0 0 2px var(--gold), 0 0 14px rgba(255, 207, 92, 0.35); }
.tile.wild { box-shadow: inset 0 0 0 2px rgba(255, 77, 141, 0.7); }

.tile.win {
    background: rgba(255, 207, 92, 0.18);
    box-shadow: inset 0 0 0 2px var(--gold), 0 0 18px rgba(255, 207, 92, 0.5);
    animation: winPulse 0.5s ease-in-out infinite alternate;
    z-index: 2;
}

@keyframes winPulse {
    from { transform: var(--pos) scale(1); }
    to   { transform: var(--pos) scale(1.08); }
}

.tile.trigger { animation: triggerShake 0.5s ease-in-out; z-index: 3; }

@keyframes triggerShake {
    0%, 100% { transform: var(--pos) scale(1) rotate(0deg); }
    25% { transform: var(--pos) scale(1.25) rotate(-6deg); }
    75% { transform: var(--pos) scale(1.25) rotate(6deg); }
}

.tile.boom { z-index: 4; }
.tile.boom .sym { opacity: 0; filter: blur(2px); }
.tile.boom .fx { animation: boomFx 0.4s ease-out forwards; }

@keyframes boomFx {
    0% { opacity: 0; transform: scale(0.3); }
    35% { opacity: 1; transform: scale(1.35); }
    100% { opacity: 0; transform: scale(1.7); }
}

.tile.morph .sym { animation: morphFlip 0.3s ease-in-out; }

@keyframes morphFlip {
    0% { transform: scale(1); }
    50% { transform: scale(0.1) rotate(180deg); }
    100% { transform: scale(1); }
}

.giga-layer {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.tile.under-giga .sym,
.tile.under-giga .badge { opacity: 0; }
.tile.under-giga { box-shadow: none; background: rgba(255, 255, 255, 0.03); }

.giga {
    position: absolute;
    display: grid;
    place-items: center;
    border-radius: 16px;
    overflow: hidden;
    background: radial-gradient(circle at 50% 38%,
        rgba(255, 207, 92, 0.22), rgba(255, 77, 141, 0.1) 68%, rgba(255, 255, 255, 0.04));
    box-shadow: inset 0 0 0 3px var(--gold), 0 0 24px rgba(255, 207, 92, 0.4);
    animation: gigaPop 0.32s cubic-bezier(0.3, 1.5, 0.5, 1);
}

.giga-sym {
    line-height: 1;
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.5));
}

@keyframes gigaPop {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.giga.giga-win {
    box-shadow: inset 0 0 0 3px var(--gold), 0 0 42px rgba(255, 207, 92, 0.78);
    animation: gigaWin 0.5s ease-in-out infinite alternate;
    z-index: 3;
}

@keyframes gigaWin {
    from { transform: scale(1); }
    to { transform: scale(1.05); }
}

.float {
    position: absolute;
    z-index: 6;
    font-size: calc(var(--board-size) / 20);
    font-weight: 800;
    color: var(--gold);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
    pointer-events: none;
    animation: floatUp 0.9s ease-out forwards;
}

@keyframes floatUp {
    0% { opacity: 0; transform: translateY(6px) scale(0.8); }
    20% { opacity: 1; transform: translateY(0) scale(1.1); }
    100% { opacity: 0; transform: translateY(-40px) scale(1); }
}

.controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

button {
    font: inherit;
    font-weight: 700;
    color: var(--text);
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 12px 22px;
    cursor: pointer;
}

button.primary {
    background: linear-gradient(135deg, var(--accent), #b3369b);
    border: none;
    font-size: 18px;
    letter-spacing: 2px;
    padding: 14px 46px;
    box-shadow: 0 6px 20px rgba(255, 77, 141, 0.35);
}

button:disabled { opacity: 0.45; cursor: default; }

.selector { color: var(--muted); font-size: 13px; }
.selector select {
    font: inherit;
    margin-left: 6px;
    background: var(--panel);
    color: var(--text);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 4px 8px;
}

.fxlayer {
    position: absolute;
    inset: 0;
    z-index: 5;
    pointer-events: none;
    overflow: visible;
}

.fxlayer path {
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    animation: boltFlicker 0.45s ease-out forwards;
}

.fxlayer .bolt-glow { stroke-width: 7; opacity: 0.55; filter: blur(3px); }
.fxlayer .bolt-core { stroke-width: 2.2; stroke: #ffffff; }

@keyframes boltFlicker {
    0% { opacity: 0; }
    12% { opacity: 1; }
    28% { opacity: 0.35; }
    44% { opacity: 1; }
    62% { opacity: 0.55; }
    78% { opacity: 0.9; }
    100% { opacity: 0; }
}

.logbox { width: 100%; color: var(--muted); font-size: 12px; }
.logbox summary { cursor: pointer; padding: 4px 0; }
.logbox pre {
    max-height: 180px;
    overflow: auto;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 8px;
    white-space: pre-wrap;
}

.overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    place-items: center;
    background: rgba(10, 5, 25, 0.75);
    backdrop-filter: blur(3px);
    cursor: pointer;
}

.overlay-card { text-align: center; animation: overlayPop 0.35s cubic-bezier(0.3, 1.5, 0.5, 1); }
.overlay-emoji { font-size: 110px; }
.overlay-text {
    font-size: 42px;
    font-weight: 900;
    letter-spacing: 3px;
    color: var(--gold);
    text-shadow: 0 4px 24px rgba(255, 207, 92, 0.5);
}

@keyframes overlayPop {
    from { transform: scale(0.4); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: grid;
    place-items: center;
    background: rgba(10, 5, 25, 0.7);
    backdrop-filter: blur(3px);
}

.modal-card {
    width: min(92vw, 440px);
    max-height: 84vh;
    overflow: auto;
    background: linear-gradient(180deg, #2b1d4d, #221540);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    padding: 18px 20px;
    animation: overlayPop 0.25s cubic-bezier(0.3, 1.5, 0.5, 1);
}

.modal-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.modal-head h2 { font-size: 20px; letter-spacing: 1px; }

.modal-close {
    padding: 6px 12px;
    border-radius: 8px;
}

.symbols-list { display: flex; flex-direction: column; gap: 4px; }

.symbols-group {
    margin: 10px 0 4px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--muted);
}

.symbol-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 8px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
}

.symbol-row .glyph {
    position: relative;
    width: 44px;
    height: 44px;
    flex: none;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.3);
    font-size: 26px;
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

.symbol-row .glyph .badge {
    position: absolute;
    right: 1px;
    bottom: 0;
    font-size: 13px;
}

.symbol-row.special .glyph { box-shadow: inset 0 0 0 2px var(--gold); }

.symbol-row .info { display: flex; flex-direction: column; }
.symbol-row .info .code { font-weight: 700; font-size: 14px; }
.symbol-row .info .desc { font-size: 12px; color: var(--muted); }

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 60;
    background: #3a2b5f;
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 10px 18px;
    font-size: 14px;
}

.hidden { display: none !important; }

/* ============================================================
   Outrageous per-symbol win celebrations (full-screen overlay)
   ============================================================ */
.fx-stage {
    position: fixed;
    inset: 0;
    z-index: 55;               /* above the big-win overlay (50) so the storm shows on top; below toast (60) */
    pointer-events: none;
    overflow: hidden;
}

.fx-p {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 2;
    will-change: transform, opacity;
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.45));
    animation: fx-explode var(--t, 1200ms) cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
}
.fx-fountain { animation-name: fx-fountain; animation-timing-function: cubic-bezier(0.12, 0.6, 0.35, 1); }
.fx-explode  { animation-name: fx-explode; }
.fx-splatter { animation-name: fx-splatter; animation-timing-function: cubic-bezier(0.08, 0.9, 0.2, 1); }
.fx-rain     { animation-name: fx-rain; animation-timing-function: linear; }
.fx-rise     { animation-name: fx-rise; }
.fx-swirl    { animation-name: fx-swirl; }

@keyframes fx-fountain {
    0%   { transform: translate(-50%, -50%) scale(0.3); opacity: 0; }
    9%   { opacity: 1; }
    42%  { transform: translate(calc(-50% + var(--dx) * 0.5), calc(-50% + var(--peak))) rotate(calc(var(--r) * 0.4)) scale(var(--s)); opacity: 1; }
    100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) rotate(var(--r)) scale(var(--s)); opacity: 0; }
}
@keyframes fx-explode {
    0%   { transform: translate(-50%, -50%) scale(0.2); opacity: 0; }
    12%  { opacity: 1; }
    100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) rotate(var(--r)) scale(var(--s)); opacity: 0; }
}
@keyframes fx-splatter {
    0%   { transform: translate(-50%, -50%) scale(0.2); opacity: 0; }
    16%  { opacity: 1; }
    55%  { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) rotate(var(--r)) scale(var(--s)); opacity: 1; }
    100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) rotate(var(--r)) scale(calc(var(--s) * 1.04)); opacity: 0; }
}
@keyframes fx-rain {
    0%   { transform: translate(-50%, -50%) scale(var(--s)); opacity: 0; }
    10%  { opacity: 1; }
    100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) rotate(var(--r)) scale(var(--s)); opacity: 0; }
}
@keyframes fx-rise {
    0%   { transform: translate(-50%, -50%) scale(0.4); opacity: 0; }
    16%  { opacity: 0.9; }
    100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) rotate(var(--r)) scale(calc(var(--s) * 1.3)); opacity: 0; }
}
@keyframes fx-swirl {
    0%   { transform: translate(-50%, -50%) scale(0.3); opacity: 0; }
    12%  { opacity: 1; }
    100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) rotate(var(--r)) scale(var(--s)); opacity: 0; }
}

/* Giant central stamp of the winning symbol */
.fx-stamp {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1;
    font-size: min(12vw, 130px);
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
    filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.5));
    animation: fx-stamp 900ms cubic-bezier(0.2, 0.8, 0.3, 1) forwards;
}
@keyframes fx-stamp {
    0%   { transform: translate(-50%, -50%) scale(0) rotate(-18deg); opacity: 0; }
    28%  { transform: translate(-50%, -50%) scale(1.3) rotate(7deg); opacity: 1; }
    52%  { transform: translate(-50%, -50%) scale(1) rotate(-3deg); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1.15) rotate(0deg); opacity: 0; }
}

/* Themed color flash from the win origin */
.fx-flash {
    position: fixed;
    inset: 0;
    z-index: 0;
    opacity: 0;
    animation: fx-flash 640ms ease-out forwards;
}
@keyframes fx-flash {
    0%   { opacity: 0; }
    22%  { opacity: 0.5; }
    100% { opacity: 0; }
}

/* Sticky blobs for the poo splatter */
.fx-splat {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1;
    border-radius: 46% 54% 52% 48% / 55% 47% 53% 45%;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.4));
    animation: fx-splat var(--t, 900ms) cubic-bezier(0.1, 0.9, 0.2, 1) forwards;
}
@keyframes fx-splat {
    0%   { transform: translate(-50%, -50%) rotate(var(--r)) scale(0); opacity: 0; }
    24%  { transform: translate(-50%, -50%) rotate(var(--r)) scale(1.1); opacity: 0.95; }
    100% { transform: translate(-50%, -50%) rotate(var(--r)) scale(1); opacity: 0; }
}

/* Board impact shake for the nastier symbols */
.fx-shake { animation: fx-shake 480ms cubic-bezier(0.36, 0.07, 0.19, 0.97); }
.fx-shake-hard { animation: fx-shake-hard 640ms cubic-bezier(0.36, 0.07, 0.19, 0.97); }
@keyframes fx-shake {
    10%, 90% { transform: translate(-2px, 0); }
    20%, 80% { transform: translate(4px, 0); }
    30%, 50%, 70% { transform: translate(-8px, 0); }
    40%, 60% { transform: translate(8px, 0); }
}
@keyframes fx-shake-hard {
    10%, 90% { transform: translate(-4px, 1px); }
    20%, 80% { transform: translate(7px, -1px); }
    30%, 50%, 70% { transform: translate(-14px, 2px); }
    40%, 60% { transform: translate(14px, -2px); }
}

/* Transformer shockwave ring */
.fx-ring {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1;
    border: 4px solid;
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    animation: fx-ring 700ms ease-out forwards;
}
@keyframes fx-ring {
    0%   { transform: translate(-50%, -50%) scale(0); opacity: 0.9; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

/* Transformer / big-win banner text */
.fx-banner {
    position: fixed;
    left: 50%;
    top: 24%;
    z-index: 3;
    font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
    font-weight: 900;
    font-size: min(9vw, 60px);
    letter-spacing: 2px;
    text-shadow: 0 4px 18px rgba(0, 0, 0, 0.6);
    white-space: nowrap;
    animation: fx-banner 1200ms cubic-bezier(0.2, 0.8, 0.3, 1) forwards;
}
@keyframes fx-banner {
    0%   { transform: translate(-50%, -50%) scale(0.3) rotate(-6deg); opacity: 0; }
    24%  { transform: translate(-50%, -50%) scale(1.18) rotate(4deg); opacity: 1; }
    58%  { transform: translate(-50%, -50%) scale(1) rotate(0deg); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1.08); opacity: 0; }
}

/* Scatters that triggered the free spins pulse before the round starts */
.tile.scatter-hl {
    z-index: 5;
    box-shadow: inset 0 0 0 3px var(--gold), 0 0 26px 6px rgba(255, 207, 92, 0.8);
    animation: scatterHl 0.5s ease-in-out infinite alternate;
}
@keyframes scatterHl {
    from { transform: var(--pos) scale(1.02); }
    to   { transform: var(--pos) scale(1.18); }
}

/* Respect users who ask for less motion */
@media (prefers-reduced-motion: reduce) {
    .fx-stage { display: none; }
    .fx-shake, .fx-shake-hard { animation: none; }
    .tile.scatter-hl { animation: none; }
}