valentines/main.css

:root {
    --pink-1: #ffe0f0;
    --pink-2: #ffb6d9;
    --pink-3: #ff7fbe;
    --pink-4: #ff4fa6;
    --pink-5: #d81b7d;

    --card-bg: rgba(255, 255, 255, 0.72);
    --card-border: rgba(255, 255, 255, 0.65);
    --shadow: 0 18px 60px rgba(216, 27, 125, 0.18);

    --yes-width: 152px;
    --no-width: 152px;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial,
        "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
    color: #4a1230;
    overflow: hidden;
    background: linear-gradient(180deg, var(--pink-1), #fff 55%, var(--pink-1));
}

/* Animated dotted background */
.bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 20% 25%, rgba(255, 127, 190, 0.22) 0 2px, transparent 3px),
        radial-gradient(circle at 70% 65%, rgba(255, 79, 166, 0.18) 0 2px, transparent 3px),
        radial-gradient(circle at 40% 80%, rgba(216, 27, 125, 0.14) 0 2px, transparent 3px),
        radial-gradient(circle at 85% 30%, rgba(255, 182, 217, 0.22) 0 2px, transparent 3px),
        radial-gradient(circle at 10% 70%, rgba(255, 127, 190, 0.16) 0 2px, transparent 3px);
    background-size: 120px 120px;
    animation: drift 12s linear infinite;
    filter: saturate(1.05);
}

@keyframes drift {
    0% {
        transform: translate3d(0, 0, 0);
    }

    50% {
        transform: translate3d(-25px, -18px, 0);
    }

    100% {
        transform: translate3d(0, 0, 0);
    }
}

/* Layout */
.wrap {
    position: relative;
    z-index: 2;
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.card {
    width: min(680px, 92vw);
    border-radius: 22px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 26px 22px 22px;
    text-align: center;
}

h1 {
    margin: 4px 0 12px;
    font-size: clamp(26px, 5vw, 44px);
    letter-spacing: -0.02em;
    line-height: 1.05;
    color: #6a1440;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

.subtitle {
    margin: 8px 0 0;
    font-size: clamp(14px, 2.6vw, 18px);
    color: rgba(106, 20, 64, 0.9);
    min-height: 1.6em;
}

.gif {
    width: min(320px, 76vw);
    height: auto;
    border-radius: 18px;
    margin: 14px auto 16px;
    display: block;
    box-shadow: 0 12px 28px rgba(216, 27, 125, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.55);
    background: rgba(255, 255, 255, 0.4);
}

.btnRow {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 14px;
    align-items: center;
}

button {
    width: 100%;
    max-width: 100%;
    border: 0;
    border-radius: 16px;
    padding: 14px 16px;
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 140ms ease, box-shadow 140ms ease, filter 140ms ease,
        opacity 140ms ease;
    touch-action: manipulation;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

button:active {
    transform: translateY(1px) scale(0.99);
}

#yesBtn {
    width: var(--yes-width);
    justify-self: end;
    background: linear-gradient(180deg, #ff7fbe, #ff4fa6);
    color: #fff;
    box-shadow: 0 14px 30px rgba(255, 79, 166, 0.28);
}

#yesBtn:hover {
    filter: brightness(1.02);
    box-shadow: 0 16px 38px rgba(255, 79, 166, 0.34);
}

#noBtn {
    width: var(--no-width);
    justify-self: start;
    background: linear-gradient(180deg, #ffd3ea, #ffb6d9);
    color: #6a1440;
    box-shadow: 0 10px 22px rgba(216, 27, 125, 0.12);
    position: relative;
}

#noBtn:hover {
    filter: brightness(1.01);
}

/* Success screen */
.success {
    display: none;
    padding: 26px 22px 22px;
}

.success h2 {
    margin: 0 0 10px;
    font-size: clamp(26px, 5vw, 40px);
    color: #6a1440;
}

.success p {
    margin: 8px 0 0;
    font-size: clamp(15px, 2.7vw, 18px);
    color: rgba(106, 20, 64, 0.92);
}

.hearts {
    margin-top: 14px;
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.heart {
    width: 12px;
    height: 12px;
    background: #ff4fa6;
    transform: rotate(45deg);
    border-radius: 3px;
    position: relative;
    animation: pop 1200ms ease-in-out infinite;
}

.heart::before,
.heart::after {
    content: "";
    position: absolute;
    width: 12px;
    height: 12px;
    background: #ff4fa6;
    border-radius: 50%;
}

.heart::before {
    left: -6px;
    top: 0;
}

.heart::after {
    left: 0;
    top: -6px;
}

.heart:nth-child(2) {
    animation-delay: 120ms;
}

.heart:nth-child(3) {
    animation-delay: 240ms;
}

.heart:nth-child(4) {
    animation-delay: 360ms;
}

.heart:nth-child(5) {
    animation-delay: 480ms;
}

@keyframes pop {

    0%,
    100% {
        transform: rotate(45deg) scale(1);
        opacity: 0.85;
    }

    50% {
        transform: rotate(45deg) scale(1.35);
        opacity: 1;
    }
}

/* Sakura canvas overlay */
canvas#sakura {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

/* Mobile tweaks */
@media (max-width: 420px) {
    .btnRow {
        gap: 10px;
    }

    button {
        font-size: 16px;
        padding: 13px 14px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

    .bg,
    .heart {
        animation: none !important;
    }
}