/*
|--------------------------------------------------------------------------
| VABCORE Button System
|--------------------------------------------------------------------------
*/

.btn {
    position: relative;
    display: inline-flex;
    min-height: var(--button-height);
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px var(--button-padding-x);
    overflow: hidden;
    border: 1px solid transparent;
    border-radius: var(--button-radius);
    outline: none;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: var(--font-weight-bold);
    line-height: 1;
    text-align: center;
    cursor: pointer;
    isolation: isolate;
    transition:
        color var(--transition-base),
        background var(--transition-base),
        border-color var(--transition-base),
        box-shadow var(--transition-base),
        transform var(--transition-base);
}

.btn::before {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(
            120deg,
            transparent 0%,
            rgba(255, 255, 255, 0.22) 45%,
            transparent 100%
        );
    content: "";
    transform: translateX(-130%);
    transition: transform 650ms ease;
}

.btn:hover::before {
    transform: translateX(130%);
}

.btn i {
    transition: transform var(--transition-base);
}

.btn:hover {
    transform: var(--lift-xs);
}

.btn:hover i {
    transform: translateX(4px);
}

.btn:active {
    transform: var(--press-transform);
}

.btn:focus-visible {
    box-shadow: var(--focus-ring);
}

/*
|--------------------------------------------------------------------------
| Primary Button
|--------------------------------------------------------------------------
*/

.btn-primary {
    border-color: transparent;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--gradient-primary-reverse);
    box-shadow: var(--shadow-primary-hover);
    color: var(--color-white);
}

.btn-primary:focus-visible {
    box-shadow:
        var(--shadow-primary),
        var(--focus-ring);
}

/*
|--------------------------------------------------------------------------
| Standard Outline Button
|--------------------------------------------------------------------------
*/

.btn-outline {
    border-color: rgba(255, 255, 255, 0.34);
    background: rgba(255, 255, 255, 0.035);
    color: var(--color-white);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    background: rgba(34, 199, 255, 0.11);
    box-shadow: var(--glow-accent-soft);
    color: var(--color-white);
}

/*
|--------------------------------------------------------------------------
| Light Outline Button
|--------------------------------------------------------------------------
*/

.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.24);
    background: rgba(255, 255, 255, 0.055);
    color: var(--color-white);
    backdrop-filter: blur(10px);
}

.btn-outline-light:hover {
    border-color: var(--color-accent);
    background: rgba(34, 199, 255, 0.11);
    box-shadow: var(--glow-accent-soft);
    color: var(--color-white);
}

/*
|--------------------------------------------------------------------------
| Dark Outline Button
|--------------------------------------------------------------------------
*/

.btn-outline-dark {
    border-color: var(--color-border);
    background: var(--color-white);
    color: var(--color-heading);
}

.btn-outline-dark:hover {
    border-color: var(--color-primary-light);
    background: var(--color-primary-50);
    box-shadow: var(--shadow-sm);
    color: var(--color-primary);
}

/*
|--------------------------------------------------------------------------
| Ghost Button
|--------------------------------------------------------------------------
*/

.btn-ghost {
    border-color: transparent;
    background: transparent;
    color: var(--color-primary);
}

.btn-ghost::before {
    display: none;
}

.btn-ghost:hover {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

/*
|--------------------------------------------------------------------------
| Icon Button
|--------------------------------------------------------------------------
*/

.btn-icon {
    width: var(--button-height);
    min-width: var(--button-height);
    padding: 0;
    border-radius: var(--radius-circle);
}

/*
|--------------------------------------------------------------------------
| Button Sizes
|--------------------------------------------------------------------------
*/

.btn-sm {
    min-height: 42px;
    padding: 9px 20px;
    font-size: 0.8rem;
}

.btn-lg {
    min-height: 58px;
    padding: 15px 32px;
    font-size: 0.96rem;
}

/*
|--------------------------------------------------------------------------
| Full Width Button
|--------------------------------------------------------------------------
*/

.btn-block {
    width: 100%;
}

/*
|--------------------------------------------------------------------------
| Disabled State
|--------------------------------------------------------------------------
*/

.btn:disabled,
.btn[aria-disabled="true"] {
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.55;
    pointer-events: none;
    transform: none;
}

/*
|--------------------------------------------------------------------------
| Reduced Motion
|--------------------------------------------------------------------------
*/

@media (prefers-reduced-motion: reduce) {
    .btn,
    .btn::before,
    .btn i {
        transition: none;
    }

    .btn:hover,
    .btn:active {
        transform: none;
    }

    .btn:hover::before {
        transform: none;
    }
}