:root {
    --bg1: #0c0614;
    --bg2: #140a24;
    --text: rgba(255,255,255,0.95);
    --muted: rgba(255,255,255,0.70);
    --accent: #a78bfa; /* purple */
    --accent2: #c084fc; /* pink-purple */
    /* RED card borders */
    --cardBorder: rgba(137, 234, 103, 0.35);
    --cardBorderStrong: rgba(137, 234, 103, 0.65);
}

body {
    margin: 0;
    font-family: "Caveat", system-ui, "Segoe UI", Arial;
    color: var(--text);
    background: radial-gradient(900px 500px at 20% 10%, rgba(167,139,250,0.28), transparent 60%), radial-gradient(800px 480px at 85% 25%, rgba(192,132,252,0.20), transparent 55%), linear-gradient(160deg, var(--bg1), var(--bg2));
}

button, input, textarea, select {
    font-family: inherit;
}

.wrap {
    max-width: 760px;
    margin: 0 auto;
    padding: 24px 16px 60px;
    position: relative;
    z-index: 1; /* above hearts */
}

.header {
    margin-bottom: 14px;
}

h1 {
    margin: 0 0 6px;
    font-size: 34px;
    letter-spacing: 0.2px;
}

.sub {
    margin: 0 0 14px;
    color: var(--muted);
}

.toolbar {
    position: sticky;
    top: 12px;
    z-index: 10;
    display: flex;
    justify-content: flex-end;
    /* nice glassy bar so it reads well over content */
    padding: 10px 0;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Random button */
button {
    padding: 12px 14px;
    border-radius: 12px;
    border: 3px solid rgba(167,139,250,.35);
    background: linear-gradient(135deg, rgba(167,139,250,.30), rgba(192,132,252,.18));
    color: var(--text);
    cursor: pointer;
    box-shadow: 0 10px 26px rgba(0,0,0,.22);
    transition: transform 220ms ease, filter 220ms ease;
}

    button:hover {
        transform: translateY(-1px);
        filter: brightness(1.08);
    }

    button:active {
        transform: translateY(0px) scale(0.99);
    }

/* Vertical list */
.list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 16px;
    align-items: center;
}

/* Flip card wrapper */
.flipcard {
    width: min(360px, calc(100vw - 32px));
    padding: 0;
    border: 0;
    background: transparent;
    text-align: left;
    cursor: pointer;
    perspective: 1400px;
}

.flipcard__inner {
    position: relative;
    height: 520px;
    transform-style: preserve-3d;
    transition: transform 1800ms cubic-bezier(0.16, 1, 0.3, 1);
}

.flipcard.is-flipped .flipcard__inner {
    transform: rotateY(180deg);
}

/* Card face */
.flipcard__face {
    position: absolute;
    inset: 0;
    border-radius: 10px;
    overflow: hidden;
    border: 3px solid var(--cardBorder);
    box-shadow: 0 16px 34px rgba(0,0,0,.35), 0 0 0 1px rgba(255,255,255,.05) inset, 0 0 0 1px rgba(255, 60, 60, 0.10), 0 1px 0 rgba(255,255,255,.10) inset;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 240ms ease, box-shadow 240ms ease;
}

/* Red border + subtle glow on hover */
.flipcard:hover .flipcard__face {
    border-color: var(--cardBorderStrong);
    box-shadow: 0 22px 52px rgba(0,0,0,.44), 0 0 0 1px rgba(255,255,255,.06) inset, 0 0 0 2px rgba(255, 60, 60, 0.14), 0 1px 0 rgba(255,255,255,.12) inset;
}

.flipcard__front {
    transform: rotateY(0deg);
}

.flipcard__back {
    transform: rotateY(180deg);
}

    /* Back tint */
    .flipcard__back .flipcard__content {
        background: linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,.07));
    }

/* Bottom image area */
.flipcard__media {
    flex: 0 0 auto;
    height: 280px;
    width: 100%;
    padding: 14px;
    box-sizing: border-box;
    border-top: 1px solid rgba(255,255,255,.06);
    background: transparent;
}

    .flipcard__media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 10px;
        display: block;
        border: 3px solid rgba(167,139,250,.22);
        box-shadow: 0 12px 26px rgba(0,0,0,.35);
    }

/* Centered text area (fills space above image) */
.flipcard__content {
    padding: 18px 18px 18px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    flex: 1 1 auto;
    background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.06));
}

.flipcard__day {
    font-weight: 900;
    font-size: 18px;
    letter-spacing: 0.2px;
    color: rgba(255,255,255,0.98);
}

.flipcard__reason {
    font-size: 30px;
    line-height: 1.25;
    color: rgba(255,255,255,0.93);
}

/* Front cover (unflipped) */
.flipcard__cover {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
    background: radial-gradient(420px 220px at 30% 25%, rgba(167,139,250,.18), transparent 60%), radial-gradient(360px 220px at 70% 70%, rgba(192,132,252,.14), transparent 60%), linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.05));
}

    .flipcard__cover .flipcard__day {
        font-size: 30px;
        letter-spacing: 0.8px;
        text-transform: none;
    }

/* Locked cards cover (mystery look) */
.flipcard.is-locked .flipcard__cover {
    position: relative;
    background: radial-gradient(420px 220px at 30% 25%, rgba(167,139,250,.22), transparent 60%), radial-gradient(360px 220px at 70% 70%, rgba(192,132,252,.18), transparent 60%), linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.06));
}

    .flipcard.is-locked .flipcard__cover::before {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        opacity: 0.55;
        background: linear-gradient( 115deg, transparent 0%, rgba(255,255,255,.10) 20%, transparent 40%, rgba(255,255,255,.06) 60%, transparent 80%, transparent 100% );
        mix-blend-mode: screen;
    }

    .flipcard.is-locked .flipcard__cover::after {
        content: "🔒";
        position: absolute;
        top: 12px;
        right: 12px;
        width: 42px;
        height: 42px;
        display: grid;
        place-items: center;
        border-radius: 12px;
        border: 3px solid rgba(167,139,250,.45);
        background: linear-gradient(135deg, rgba(167,139,250,.28), rgba(192,132,252,.16));
        box-shadow: 0 10px 22px rgba(0,0,0,.30);
        transform: rotate(-6deg);
    }

/* Denied wiggle */
@keyframes cardNope {
    0% {
        transform: rotateZ(0deg);
    }

    25% {
        transform: rotateZ(-1.4deg);
    }

    50% {
        transform: rotateZ(1.4deg);
    }

    75% {
        transform: rotateZ(-1.0deg);
    }

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

.flipcard.is-denied .flipcard__inner {
    animation: cardNope 260ms ease;
}

/* Hearts background */
#heartRain {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.heart {
    position: absolute;
    top: -12vh;
    left: 0;
    opacity: var(--o, 0.35);
    animation: heartFall var(--dur, 12s) linear infinite;
    will-change: transform;
}

.heart__inner {
    display: inline-block;
    font-size: var(--size, 18px);
    color: rgba(167, 139, 250, 0.95);
    filter: drop-shadow(0 10px 16px rgba(0,0,0,0.35));
    transform: translateX(0) rotate(0deg);
    animation: heartSway var(--swayDur, 3.2s) ease-in-out infinite alternate, heartSpin var(--spinDur, 4.6s) ease-in-out infinite;
    will-change: transform;
}

@keyframes heartFall {
    from {
        transform: translateY(-12vh);
    }

    to {
        transform: translateY(112vh);
    }
}

@keyframes heartSway {
    from {
        transform: translateX(calc(var(--sway, 32px) * -1)) rotate(-8deg);
    }

    to {
        transform: translateX(var(--sway, 32px)) rotate(8deg);
    }
}

@keyframes heartSpin {
    0% {
        filter: drop-shadow(0 10px 16px rgba(0,0,0,0.35));
    }

    50% {
        filter: drop-shadow(0 14px 20px rgba(0,0,0,0.40));
    }

    100% {
        filter: drop-shadow(0 10px 16px rgba(0,0,0,0.35));
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .flipcard__inner {
        transition: none;
    }

    .heart {
        animation: none !important;
        top: 0;
    }

    .heart__inner {
        animation: none !important;
    }
}