/* ================================================================
   BUTTON
   ================================================================ */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), opacity var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.button:hover {
    transform: translateY(-2px);
}

.button:active {
    transform: translateY(0);
}

.button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    transform: none;
}

.button--primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.button--primary:hover {
    background-color: var(--color-primary-hover);
}

.button--accent {
    background-color: var(--color-secondary);
    color: var(--color-bg-dark);
}

.button--accent:hover {
    background-color: #00a6c8;
}

.button--secondary {
    background-color: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.button--secondary:hover {
    background-color: var(--color-bg-alt);
}

.button--on-dark {
    background-color: transparent;
    color: var(--color-text-inverse);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.button--on-dark:hover {
    background-color: var(--color-secondary);
    color: var(--color-bg-dark);
    border-color: var(--color-secondary);
}