@import url(
    'https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800;900&display=swap'
);


/* =========================================
   RESET
========================================= */

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


/* =========================================
   BODY
========================================= */

body {
    min-height: 100vh;

    display: flex;

    justify-content: center;

    align-items: center;

    font-family: 'Poppins', sans-serif;

    color: white;

    background:
        radial-gradient(
            circle at 15% 10%,
            rgba(108, 92, 231, 0.35),
            transparent 32%
        ),

        radial-gradient(
            circle at 85% 90%,
            rgba(0, 200, 255, 0.15),
            transparent 30%
        ),

        linear-gradient(
            135deg,
            #080914,
            #12152d,
            #080914
        );

    overflow-y: auto;
}


/* =========================================
   GAME CARD
========================================= */

.game {
    width: min(92%, 460px);

    padding: 32px 25px 24px;

    text-align: center;

    border-radius: 28px;

    background:
        rgba(255, 255, 255, 0.07);

    border:
        1px solid
        rgba(255, 255, 255, 0.13);

    backdrop-filter: blur(18px);

    box-shadow:
        0 30px 80px
        rgba(0, 0, 0, 0.45);

    position: relative;

    z-index: 10;
}


/* =========================================
   SMALL RESET BUTTON
========================================= */

.reset-btn {
    position: absolute;

    top: 18px;

    left: 18px;

    width: 38px;

    height: 38px;

    padding: 0;

    display: flex;

    justify-content: center;

    align-items: center;

    border:
        1px solid
        rgba(255, 255, 255, 0.14);

    border-radius: 50%;

    color: #bfc2d1;

    background:
        rgba(255, 255, 255, 0.07);

    font-family: 'Poppins', sans-serif;

    font-size: 20px;

    font-weight: 700;

    cursor: pointer;

    transition:
        transform 0.25s ease,
        background 0.25s ease,
        color 0.25s ease;
}

.reset-btn:hover {
    color: white;

    background:
        rgba(139, 124, 255, 0.25);

    transform:
        rotate(-90deg)
        scale(1.08);
}

.reset-btn:active {
    transform:
        rotate(-90deg)
        scale(0.92);
}

.reset-btn:disabled {
    opacity: 0.5;

    cursor: not-allowed;

    transform: none;
}


/* =========================================
   TITLE
========================================= */

h1 {
    font-size: 38px;

    line-height: 1.1;

    font-weight: 800;

    letter-spacing: -1.5px;

    margin-bottom: 6px;
}

.subtitle {
    color: #aeb3c7;

    font-size: 14px;

    margin-bottom: 15px;
}


/* =========================================
   PLAYER BUTTON
========================================= */

.player-toggle {
    border: none;

    padding: 10px 18px;

    border-radius: 12px;

    color: white;

    background:
        rgba(255, 255, 255, 0.09);

    font-family: 'Poppins', sans-serif;

    font-size: 13px;

    font-weight: 600;

    cursor: pointer;

    transition: 0.2s;
}

.player-toggle:hover {
    transform: translateY(-2px);

    background:
        rgba(255, 255, 255, 0.15);
}

.player-toggle:disabled {
    opacity: 0.5;

    cursor: not-allowed;

    transform: none;
}


/* =========================================
   PLAYER INPUTS
========================================= */

.player-section {
    display: flex;

    gap: 10px;

    margin-top: 11px;
}

.player-section input {
    width: 50%;

    padding: 11px;

    border:
        1px solid
        rgba(255, 255, 255, 0.15);

    border-radius: 11px;

    outline: none;

    background:
        rgba(0, 0, 0, 0.25);

    color: white;

    font-family: 'Poppins', sans-serif;

    font-size: 13px;

    min-width: 0;
}

.player-section input::placeholder {
    color: #85899d;
}

.player-section input:focus {
    border-color: #8073ff;
}

.hidden {
    display: none !important;
}


/* =========================================
   COIN AREA
========================================= */

.coin-area {
    height: 215px;

    display: flex;

    justify-content: center;

    align-items: center;

    position: relative;
}

.coin-stage {
    width: 165px;

    height: 165px;

    display: flex;

    justify-content: center;

    align-items: center;

    perspective: 1200px;
}


/* =========================================
   COIN
========================================= */

.coin {
    width: 135px;

    height: 135px;

    border-radius: 50%;

    display: flex;

    justify-content: center;

    align-items: center;

    flex-direction: column;

    position: relative;

    background:
        radial-gradient(
            circle at 30% 23%,
            #fff5a8,
            #f7d75e 17%,
            #e7b332 43%,
            #c8890e 70%,
            #925b05
        );

    border: 8px solid #d99a18;

    box-shadow:
        inset 0 0 0 3px
        rgba(255, 255, 255, 0.28),

        inset 8px 8px 20px
        rgba(255, 255, 255, 0.20),

        inset -12px -14px 25px
        rgba(75, 43, 0, 0.35),

        0 25px 20px
        rgba(0, 0, 0, 0.30);

    transform-style: preserve-3d;

    will-change: transform;
}

.coin::before {
    content: "";

    position: absolute;

    inset: 10px;

    border-radius: 50%;

    border:
        3px solid
        rgba(112, 72, 0, 0.42);

    pointer-events: none;
}


/* =========================================
   COIN SYMBOL
========================================= */

.coin-symbol {
    width: 62px;

    height: 62px;

    display: flex;

    justify-content: center;

    align-items: center;

    border-radius: 50%;

    border:
        3px solid
        rgba(105, 67, 0, 0.48);

    color: #704700;

    font-size: 38px;

    font-weight: 900;

    position: relative;

    z-index: 2;
}


/* =========================================
   COIN TEXT
========================================= */

.coin-text {
    margin-top: 6px;

    font-size: 8px;

    letter-spacing: 2px;

    font-weight: 800;

    color:
        rgba(91, 56, 0, 0.85);
}


/* =========================================
   COIN SHADOW
========================================= */

.coin-shadow {
    position: absolute;

    bottom: 22px;

    width: 110px;

    height: 20px;

    border-radius: 50%;

    background:
        rgba(0, 0, 0, 0.35);

    filter: blur(10px);
}


/* =========================================
   IDLE BOUNCE
========================================= */

.coin:not(.flipping):not(.land):not(.loser) {
    animation:
        smoothIdle
        2.4s
        ease-in-out
        infinite;
}

@keyframes smoothIdle {

    0% {
        transform:
            translateY(0);
    }

    50% {
        transform:
            translateY(-18px);
    }

    100% {
        transform:
            translateY(0);
    }
}


/* =========================================
   FLIP
========================================= */

.coin.flipping {
    animation:
        coinFlip
        2.6s
        cubic-bezier(.16, .85, .25, 1)
        forwards;
}

@keyframes coinFlip {

    0% {
        transform:
            translateY(0)
            scale(1)
            rotateY(0deg);
    }

    10% {
        transform:
            translateY(-20px)
            scale(1.02)
            rotateY(540deg);
    }

    25% {
        transform:
            translateY(-85px)
            scale(1.05)
            rotateY(1080deg);
    }

    42% {
        transform:
            translateY(-120px)
            scale(1.08)
            rotateY(1800deg);
    }

    58% {
        transform:
            translateY(-110px)
            scale(1.07)
            rotateY(2520deg);
    }

    72% {
        transform:
            translateY(-75px)
            scale(1.05)
            rotateY(3240deg);
    }

    84% {
        transform:
            translateY(-38px)
            scale(1.03)
            rotateY(3780deg);
    }

    94% {
        transform:
            translateY(-8px)
            scale(1.01)
            rotateY(4140deg);
    }

    100% {
        transform:
            translateY(0)
            scale(1)
            rotateY(4320deg);
    }
}


/* =========================================
   LANDING
========================================= */

.coin.land {
    animation:
        coinLand
        0.35s
        ease-out;
}

@keyframes coinLand {

    0% {
        transform:
            translateY(0)
            scale(1);
    }

    30% {
        transform:
            translateY(4px)
            scale(0.95);
    }

    55% {
        transform:
            translateY(-3px)
            scale(1.03);
    }

    75% {
        transform:
            translateY(1px)
            scale(0.99);
    }

    100% {
        transform:
            translateY(0)
            scale(1);
    }
}


/* =========================================
   LOSER ANIMATION
========================================= */

.coin.loser {
    animation:
        sadCoin
        0.9s
        ease-in-out;
}

@keyframes sadCoin {

    0% {
        transform:
            translateY(0)
            rotateZ(0deg)
            scale(1);
    }

    15% {
        transform:
            translateY(2px)
            rotateZ(-5deg)
            scale(0.98);
    }

    30% {
        transform:
            translateY(5px)
            rotateZ(5deg)
            scale(0.96);
    }

    45% {
        transform:
            translateY(3px)
            rotateZ(-4deg)
            scale(0.97);
    }

    60% {
        transform:
            translateY(5px)
            rotateZ(4deg)
            scale(0.96);
    }

    75% {
        transform:
            translateY(2px)
            rotateZ(-2deg)
            scale(0.98);
    }

    100% {
        transform:
            translateY(0)
            rotateZ(0deg)
            scale(1);
    }
}


/* =========================================
   HEADS / TAILS
========================================= */

.choices {
    display: flex;

    gap: 10px;

    margin-bottom: 11px;
}

.choice {
    flex: 1;

    padding: 13px;

    border: none;

    border-radius: 13px;

    color: #aeb1c2;

    background:
        rgba(255, 255, 255, 0.08);

    font-family: 'Poppins', sans-serif;

    font-size: 13px;

    font-weight: 700;

    cursor: pointer;

    transition: 0.2s;
}

.choice.active {
    color: white;

    background:
        linear-gradient(
            135deg,
            #8b7cff,
            #6253df
        );

    box-shadow:
        0 8px 25px
        rgba(98, 83, 223, 0.3);
}

.choice:hover {
    transform:
        translateY(-2px);
}

.choice:disabled {
    opacity: 0.5;

    cursor: not-allowed;

    transform: none;
}


/* =========================================
   FLIP BUTTON
========================================= */

.flip-btn {
    width: 100%;

    padding: 15px;

    border: none;

    border-radius: 14px;

    color: white;

    background:
        linear-gradient(
            135deg,
            #8d7dff,
            #5c4de0
        );

    font-family: 'Poppins', sans-serif;

    font-size: 15px;

    font-weight: 800;

    cursor: pointer;

    box-shadow:
        0 12px 30px
        rgba(92, 77, 224, 0.3);

    transition: 0.2s;
}

.flip-btn:hover {
    transform:
        translateY(-2px);
}

.flip-btn:disabled {
    opacity: 0.55;

    cursor: not-allowed;
}


/* =========================================
   SOUND
========================================= */

.sound-btn {
    margin-top: 9px;

    padding:
        8px 14px;

    border:
        1px solid
        rgba(255, 255, 255, 0.1);

    border-radius: 10px;

    color: #b9bdd0;

    background:
        rgba(255, 255, 255, 0.05);

    font-family: 'Poppins', sans-serif;

    font-size: 11px;

    font-weight: 600;

    cursor: pointer;
}


/* =========================================
   RESULT
========================================= */

.result {
    min-height: 45px;

    display: flex;

    justify-content: center;

    align-items: center;

    flex-direction: column;

    margin-top: 5px;

    padding: 0 5px;

    font-size: 21px;

    font-weight: 800;

    line-height: 1.2;
}

.result small {
    display: block;

    margin-top: 3px;

    font-size: 12px;

    font-weight: 500;

    color: #aeb3c7;
}

.result.winner {
    animation:
        winnerPop
        0.7s
        cubic-bezier(.17,.89,.32,1.49);
}

.result.loser-result {
    animation:
        loserResult
        0.7s
        ease-out;
}

@keyframes winnerPop {

    0% {
        transform: scale(0.4);

        opacity: 0;
    }

    70% {
        transform: scale(1.15);
    }

    100% {
        transform: scale(1);

        opacity: 1;
    }
}

@keyframes loserResult {

    0% {
        opacity: 0;

        transform:
            translateY(-8px)
            scale(0.9);
    }

    60% {
        transform:
            translateY(2px)
            scale(1.03);
    }

    100% {
        opacity: 1;

        transform:
            translateY(0)
            scale(1);
    }
}


/* =========================================
   SCORE
========================================= */

.score {
    display: flex;

    justify-content: space-around;

    padding-top: 10px;

    margin-top: 3px;

    border-top:
        1px solid
        rgba(255, 255, 255, 0.1);
}

.score-item {
    display: flex;

    flex-direction: column;

    gap: 3px;
}

.score-item strong {
    font-size: 21px;

    font-weight: 800;
}

.score-item span {
    font-size: 10px;

    color: #9296aa;
}


/* =========================================
   WINNER OVERLAY
========================================= */

.winner-overlay {
    position: fixed;

    inset: 0;

    z-index: 200;

    display: flex;

    justify-content: center;

    align-items: center;

    padding: 20px;

    background:
        rgba(4, 5, 15, 0.48);

    backdrop-filter:
        blur(0px);

    opacity: 0;

    visibility: hidden;

    transition:
        opacity 0.35s ease,
        backdrop-filter 0.45s ease,
        visibility 0.35s;
}

.winner-overlay.show {
    opacity: 1;

    visibility: visible;

    backdrop-filter:
        blur(14px);
}


/* =========================================
   WINNER POPUP
========================================= */

.winner-popup {
    width: min(88%, 390px);

    padding:
        32px 24px 25px;

    text-align: center;

    border-radius: 28px;

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,.16),
            rgba(255,255,255,.07)
        );

    border:
        1px solid
        rgba(255,255,255,.22);

    box-shadow:
        0 35px 100px
        rgba(0,0,0,.6);

    backdrop-filter:
        blur(25px);

    transform:
        translateY(35px)
        scale(.7);

    opacity: 0;

    transition:
        transform .55s
        cubic-bezier(.17,.89,.32,1.35),
        opacity .35s;
}

.winner-overlay.show .winner-popup {
    transform:
        translateY(0)
        scale(1);

    opacity: 1;
}

.trophy {
    font-size: 55px;
}

.winner-name {
    margin-top: 6px;

    font-size:
        clamp(30px,8vw,44px);

    font-weight: 900;

    letter-spacing: -1px;

    background:
        linear-gradient(
            135deg,
            #ffffff,
            #c9c1ff,
            #ffffff
        );

    -webkit-background-clip: text;

    background-clip: text;

    color: transparent;

    word-break: break-word;
}

.winner-text {
    margin-top: 2px;

    font-size: 18px;

    font-weight: 800;

    letter-spacing: 1px;
}

.winner-coin {
    margin-top: 12px;

    font-size: 30px;

    animation:
        winnerCoin
        1.5s
        ease-in-out
        infinite;
}

@keyframes winnerCoin {

    0%,
    100% {
        transform:
            translateY(0)
            rotate(-5deg);
    }

    50% {
        transform:
            translateY(-8px)
            rotate(5deg);
    }
}

.close-winner {
    margin-top: 14px;

    padding:
        10px 24px;

    border: none;

    border-radius: 11px;

    color: white;

    background:
        rgba(255,255,255,.12);

    border:
        1px solid
        rgba(255,255,255,.15);

    font-family: 'Poppins', sans-serif;

    font-size: 12px;

    font-weight: 700;

    cursor: pointer;
}

.close-winner:hover {
    background:
        rgba(255,255,255,.2);

    transform:
        translateY(-2px);
}


/* =========================================
   CELEBRATION
========================================= */

#celebration {
    position: fixed;

    inset: 0;

    pointer-events: none;

    overflow: hidden;

    z-index: 210;
}

.confetti {
    position: absolute;

    top: -30px;

    border-radius: 2px;

    animation:
        confettiFall
        var(--fall-time)
        linear
        forwards;
}

@keyframes confettiFall {

    0% {
        transform:
            translateY(-30px)
            rotate(0deg);

        opacity: 1;
    }

    100% {
        transform:
            translateY(110vh)
            rotate(720deg);

        opacity: 0;
    }
}


/* =========================================
   POPPER PAPERS
========================================= */

.popper-paper {
    position: absolute;

    width: 11px;

    height: 20px;

    border-radius: 3px;

    animation:
        popperFly
        2s
        cubic-bezier(.15,.8,.25,1)
        forwards;
}

@keyframes popperFly {

    0% {
        transform:
            translate(
                var(--start-x),
                var(--start-y)
            )
            rotate(0deg)
            scale(.4);

        opacity: 1;
    }

    45% {
        transform:
            translate(
                var(--mid-x),
                var(--mid-y)
            )
            rotate(360deg)
            scale(1);
    }

    100% {
        transform:
            translate(
                var(--end-x),
                var(--end-y)
            )
            rotate(900deg)
            scale(.6);

        opacity: 0;
    }
}


/* =========================================
   SPARKS
========================================= */

.spark {
    position: absolute;

    width: 7px;

    height: 7px;

    border-radius: 50%;

    background: #ffd95a;

    animation:
        sparkBurst
        .9s
        ease-out
        forwards;
}

@keyframes sparkBurst {

    0% {
        transform:
            translate(0,0)
            scale(1);

        opacity: 1;
    }

    100% {
        transform:
            translate(
                var(--x),
                var(--y)
            )
            scale(0);

        opacity: 0;
    }
}


/* =========================================
   LAPTOP HEIGHT
========================================= */

@media (max-height: 800px) {

    .game {
        padding-top: 25px;

        padding-bottom: 20px;
    }

    h1 {
        font-size: 36px;
    }

    .subtitle {
        margin-bottom: 14px;
    }

    .coin-area {
        height: 215px;
    }

    .coin-stage {
        width: 165px;

        height: 165px;
    }

    .coin {
        width: 135px;

        height: 135px;
    }

    .coin-symbol {
        width: 62px;

        height: 62px;

        font-size: 38px;
    }
}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 500px) {

    body {
        align-items: flex-start;

        padding: 12px 0;
    }

    .game {
        width:
            calc(100% - 20px);

        padding:
            25px 15px 20px;
    }

    h1 {
        font-size: 30px;
    }

    .subtitle {
        font-size: 12px;
    }

    .player-section {
        gap: 8px;
    }

    .player-section input {
        padding:
            10px 8px;

        font-size: 12px;
    }

    .coin-area {
        height: 210px;
    }

    .coin-stage {
        width: 155px;

        height: 155px;
    }

    .coin {
        width: 120px;

        height: 120px;

        border-width: 7px;
    }

    .coin-symbol {
        width: 54px;

        height: 54px;

        font-size: 32px;
    }

    .coin-text {
        font-size: 7px;
    }

    .choices {
        gap: 8px;
    }

    .choice {
        padding:
            13px 8px;

        font-size: 12px;
    }

    .flip-btn {
        padding: 14px;

        font-size: 14px;
    }

    .result {
        font-size: 19px;
    }

    .score-item strong {
        font-size: 19px;
    }


    /* SMALL RESET ON MOBILE */

    .reset-btn {
        top: 14px;

        left: 14px;

        width: 34px;

        height: 34px;

        font-size: 18px;
    }

    .winner-popup {
        width: 92%;

        padding:
            27px 17px 22px;
    }

    .winner-name {
        font-size: 32px;
    }

    .winner-text {
        font-size: 16px;
    }
}


/* =========================================
   SMALL PHONES
========================================= */

@media (max-width: 360px) {

    .game {
        width:
            calc(100% - 14px);

        padding:
            22px 12px 17px;
    }

    h1 {
        font-size: 27px;
    }

    .coin-area {
        height: 200px;
    }

    .coin {
        width: 110px;

        height: 110px;
    }

    .coin-symbol {
        width: 49px;

        height: 49px;

        font-size: 29px;
    }

    .reset-btn {
        width: 32px;

        height: 32px;

        top: 12px;

        left: 12px;

        font-size: 17px;
    }
}