:root {
    --primary-color: #4a90e2;
    --secondary-color: #50e3c2;
    --background-color: #f7f7f7;
    --text-color: #333;
    --white: #fff;
    --r-color: #4a90e2; /* R (Blue) */
    --sr-color: #9b59b6; /* SR (Purple) */
    --ssr-color: #f1c40f; /* SSR (Yellow) */
    --ssr-pickup-color: #e91e63; /* SSR Pickup (Pink/Red) */
}

body {
    font-family: 'Helvetica Neue', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    background-image: linear-gradient(to right top, #d16ba5, #c777b9, #ba83ca, #aa8fd8, #9a9ae1, #8aa7ec, #7ab3f4, #69bff8, #52cffe, #41dfff, #46eefa, #5ffbf1);
}

.container {
    text-align: center;
    padding: 2rem;
    background-color: var(--white);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 80%;
    max-width: 800px;
}

h1 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.gacha-results {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    min-height: 100px;
}

.gacha-item {
    width: 80px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    animation: appear 0.5s ease-in-out;
    border: 3px solid var(--white);
}

.gacha-item.r {
    background-color: var(--r-color);
}
.gacha-item.sr {
    background-color: var(--sr-color);
}
.gacha-item.ssr {
    background-color: var(--ssr-color);
}
.gacha-item.ssr-pickup {
    background-color: var(--ssr-pickup-color);
    animation: pulse 1s infinite;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.gacha-btn, .reset-btn {
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gacha-btn {
    background-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.4);
}

.reset-btn {
    background-color: #e74c3c; /* Red color for reset */
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}

.gacha-btn:hover, .reset-btn:hover {
    transform: translateY(-2px);
}

.statistics {
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: #f2f2f2;
    border-radius: 10px;
}

.results-log {
    margin-top: 2rem;
    text-align: left;
}

.log-list {
    list-style: none;
    padding: 0;
    max-height: 200px;
    overflow-y: auto;
    border-top: 1px solid #eee;
}

.log-list li {
    padding: 0.5rem;
    border-bottom: 1px solid #eee;
}

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

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(233, 30, 99, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(233, 30, 99, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(233, 30, 99, 0);
    }
}