:root {
    --bg1: #ffd6e7;
    --bg2: #ffeef6;
    --card: #ffffffcc;
    --yes: #ff3b7a;
    --yesHover: #ff1f68;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100svh;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at top, var(--bg2), var(--bg1));
    font-family: system-ui, sans-serif;
    overflow: hidden;
    padding: 16px;
}

/* FULL-SCREEN CONFETTI CANVAS */
#confettiCanvas {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
}

.card {
    width: min(720px, 92vw);
    padding: 26px 22px;
    background: var(--card);
    backdrop-filter: blur(10px);
    border-radius: 22px;
    text-align: center;
    box-shadow: 0 18px 60px rgba(0, 0, 0, .15);
}

.art {
    width: min(260px, 80vw);
    margin: 0 auto 10px;
    display: block;
    filter: drop-shadow(0 10px 14px rgba(0, 0, 0, .12));
}

h1 {
    font-size: clamp(26px, 4vw, 44px);
    margin: 12px 0 18px;
}

.button-zone {
    position: relative;
    width: min(520px, 92%);
    height: 150px;
    margin: 0 auto;
    touch-action: none;
}

button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    padding: 16px 24px;
    font-size: 18px;
    font-weight: 800;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(0, 0, 0, .14);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: transform .12s ease, background .12s ease;
}

#yesBtn {
    left: 18%;
    background: var(--yes);
    color: #fff;
}

#yesBtn:hover {
    background: var(--yesHover);
}

#noBtn {
    left: 62%;
    background: #e5e7eb;
    color: #111827;
}

.hint {
    margin-top: 10px;
    font-size: 13px;
    opacity: .7;
}

.result {
    display: none;
    margin-top: 18px;
    animation: pop .35s ease;
}

.result h2 {
    font-size: clamp(30px, 4.5vw, 46px);
    margin: 10px 0;
}

.fireworks {
    width: min(380px, 90vw);
    margin: 0 auto;
    display: block;
}

@keyframes pop {
    from {
        transform: scale(.96);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}