.btn-generate {
    background: linear-gradient(135deg, #6b46c1, #805ad5);
    border: none;
    color: white;
    transition: all 0.3s ease;
}
.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(107, 70, 193, 0.3);
}
.output-box {
    min-height: 150px;
    border: 1px dashed #d1d5db;
    border-radius: 8px;
    padding: 1.5rem;
    background: white;
    margin-bottom: 1.5rem;
    text-align: left;
}
.form-check-input:checked {
    background-color: #6b46c1;
    border-color: #6b46c1;
}

.radio-inputs {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    border-radius: 1rem;
    width: 450px;
    font-size: 14px;
    gap: 0.5rem;
}

.radio-inputs .radio {
    flex: 1 1 auto;
    text-align: center;
    position: relative;
}

.radio-inputs .radio input {
    display: none;
}

.radio-inputs .radio .name {
    display: flex;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    border-radius: 0.7rem;
    border: none;
    padding: 0.7rem 0;
    color: #2d3748;
    font-weight: 500;
    font-family: inherit;
    background: linear-gradient(145deg, #ffffff, #e6e6e6);
    box-shadow:
        3px 3px 6px rgba(0, 0, 0, 0.1),
        -3px -3px 6px rgba(255, 255, 255, 0.7);
    transition: all 0.2s ease;
    overflow: hidden;
}

.radio-inputs .radio input:checked + .name {
    background: linear-gradient(145deg, #3b82f6, #2563eb);
    color: white;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    box-shadow:
        inset 2px 2px 5px rgba(0, 0, 0, 0.2),
        inset -2px -2px 5px rgba(255, 255, 255, 0.1),
        3px 3px 8px rgba(59, 130, 246, 0.3);
    transform: translateY(2px);
}

/* Hover effect */
.radio-inputs .radio:hover .name {
    background: linear-gradient(145deg, #f0f0f0, #ffffff);
    transform: translateY(-1px);
    box-shadow:
        4px 4px 8px rgba(0, 0, 0, 0.1),
        -4px -4px 8px rgba(255, 255, 255, 0.8);
}

.radio-inputs .radio:hover input:checked + .name {
    transform: translateY(1px);
}

/* Animation */
.radio-inputs .radio input:checked + .name {
    animation: select 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Particles */
.radio-inputs .radio .name::before,
.radio-inputs .radio .name::after {
    content: "";
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
}

.radio-inputs .radio input:checked + .name::before,
.radio-inputs .radio input:checked + .name::after {
    animation: particles 0.8s ease-out forwards;
}

.radio-inputs .radio .name::before {
    background: #60a5fa;
    box-shadow: 0 0 6px #60a5fa;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.radio-inputs .radio .name::after {
    background: #93c5fd;
    box-shadow: 0 0 8px #93c5fd;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

/* Sparkles */
.radio-inputs .radio .name::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(
        circle at var(--x, 50%) var(--y, 50%),
        rgba(59, 130, 246, 0.3) 0%,
        transparent 50%
    );
    opacity: 0;
    transition: opacity 0.3s;
}

.radio-inputs .radio input:checked + .name::after {
    opacity: 1;
    animation: sparkle-bg 1s ease-out forwards;
}

/* Multiple particles */
.radio-inputs .radio input:checked + .name {
    overflow: visible;
}

.radio-inputs .radio input:checked + .name::before {
    box-shadow:
        0 0 6px #60a5fa,
        10px -10px 0 #60a5fa,
        -10px -10px 0 #60a5fa;
    animation: multi-particles-top 0.8s ease-out forwards;
}

.radio-inputs .radio input:checked + .name::after {
    box-shadow:
        0 0 8px #93c5fd,
        10px 10px 0 #93c5fd,
        -10px 10px 0 #93c5fd;
    animation: multi-particles-bottom 0.8s ease-out forwards;
}

@keyframes select {
    0% {
        transform: scale(0.95) translateY(2px);
    }
    50% {
        transform: scale(1.05) translateY(-1px);
    }
    100% {
        transform: scale(1) translateY(2px);
    }
}

@keyframes multi-particles-top {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1);
    }
    40% {
        opacity: 0.8;
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px) scale(0);
        box-shadow:
            0 0 6px transparent,
            20px -20px 0 transparent,
            -20px -20px 0 transparent;
    }
}

@keyframes multi-particles-bottom {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1);
    }
    40% {
        opacity: 0.8;
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px) scale(0);
        box-shadow:
            0 0 8px transparent,
            20px 20px 0 transparent,
            -20px 20px 0 transparent;
    }
}

@keyframes sparkle-bg {
    0% {
        opacity: 0;
        transform: scale(0.2);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: scale(2);
    }
}

/* Ripple effect */
.radio-inputs .radio .name::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(
        circle at var(--x, 50%) var(--y, 50%),
        rgba(255, 255, 255, 0.5) 0%,
        transparent 50%
    );
    opacity: 0;
    transition: opacity 0.3s;
}

.radio-inputs .radio input:checked + .name::before {
    animation: ripple 0.8s ease-out;
}

@keyframes ripple {
    0% {
        opacity: 1;
        transform: scale(0.2);
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 0;
        transform: scale(2.5);
    }
}

/* Glowing border */
.radio-inputs .radio input:checked + .name {
    position: relative;
}

.radio-inputs .radio input:checked + .name::after {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: linear-gradient(
        45deg,
        rgba(59, 130, 246, 0.5),
        rgba(37, 99, 235, 0.5)
    );
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: border-glow 1.5s ease-in-out infinite alternate;
}

@keyframes border-glow {
    0% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}